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HomeMy WebLinkAboutOrdinance 03814 • U 40 ;t+/ ORDINANCE NO. 381 AN ORDINANCE ADOPTING RULES, REGULATIONS, POLICIES AND PROCEDURES FOR THE CITY OF NORTH RICHLAND HILLS, TEXAS, WATER AND SEWER SYSTEM, AND DECLARING AN EMERGENCY. BE IT HEREBY ORDAINED BY THE CITY COUNCIL OF THE CITY OF NORTH RICHLAND HILLS, TEXAS, THAT: SECTION I The 1971 Rules, Regulations, Policies and Procedures for the North Richland Hills Water and Sewerage System are hereby adopted, three (3) copies of which have been and now are filed in the office of the City Secretary of the City of North Richland Hills, Texas and the same are hereby adopted and incorporated as fully as if set out at length herein, and from the date of which this Ordinance shall take effect, the provisions thereof shall be controlling within the limits of the City of North Richland Hills, Texas. SECTION II A. Any person who shall violate any of the provisions of this ordinance or fail to comply therewith, or who shall violate or fail to comply with any order made thereunder, or who shall build in violation of any detailed statement of specifications or plans submitted and approved thereunder, or any certificate or permit issued thereunder, and from which no appeal has been taken, or who shall fail to comply with such an order as affirmed or modified by the City of North Richland Hills, Texas, or by a court of competent jurisdiction, within the time fixed herein, shall severally for each and every such violation and noncompliance respectively, be guilty of a misdemeanor, punishable by a fine of not less than FIVE AND N01100 ($5.00) DOLLARS nor more than TWO HUNDRED AND N01100 ($200.00) DOLLARS. The imposition of one penalty for any viola- tion shall not excuse the violation or permit it to continue; and all such persons shall be required to correct or remedy such violations or defects within a reasonable time; and when not otherwise specified, each ten (10) days that prohibited conditions are maintained shall constitue a separate offense. B. The application of the above penalty shall not be held to prevent the enforced removal of prohibited conditions. • SECTION III Saving Clause If any Section, paragraph, sentence, or word of this Ordinance be declared for any reason to be invalid, it is the intent of the City Council of the City of North Richland Hills, Texas, that it would have passed all other portions of this Ordinance independent of the elimination herefrom of any such portion as may be declared invalid. SECTION IV Repeal of Conflicting Ordinances This Ordinance hereby repeals and supercedes Ordi- nance No. 351 and any and all Ordinances concerning Utilities that may be in conflict herewith. SECTION V • Declaring an Emergency Due to the immediate necessity of the above Ordinance, an emergency is declared in order that this Ordinance may take effect upon approval of the City Council on first reading and after publication as prescribed by law. PAST, APPROVED AND ADOPTED this 8th day of NOVEMBER 9 1971, by a vote of 7 Councilmen for and —D Counci�2men against. APPROVED AS TO LEGALITY AN FORM: • y CITY ATTORNEY o I opfe J L 1- 0,4. 3E/ RULES, REGULATIONS POLICIES AND PROCEDURES FOR THE CITY OF NORTH RICHLAND HILLS WATER AND SEWERAGE SYSTEM C O N T E N T S Pages SECTION I DEFINITIONS 2 -6 SECTION II OPERATING POLICIES IN GENERAL 7 -11 SECTION III SERVICE CHARGES 12 -15 SECTION IV CHARGES AND DEPOSITS FOR CONNECTIONS TO 16 -18 42 -43 (5) EXISTING MAINS OR LATERALS 44 -46 SECTION V SYSTEM EXTENSIONS TO SERVE SINGLE 19 -21 STANDARD CONSTRUCTION SPECIFICATIONS CUSTOMER OR GROUPS OF INDEPENDENT SINGLE General Requirements 48 (2) CUSTOMERS 49 -59 SECTION VI SYSTEM EXTENSIONS TO SERVE SUBDIVISION 22 -25 Sewer Pipes and Structures 74 -80 DEVELOPMENTS Water Service Connections SECTION VII STANDARD REQUIREMENTS AND CRITERIA OF 26 -31 (7) Street Paving Replacement DESIGN FOR SYSTEM EXTENTIONS (8) Railroad and Highway Crossings 89 -93 A P P E N D I X Pages (A) CHECK LIST FOR PROCESSING 32 -33 (B) CITY STANDARDS FORMS (1) City - Developer Agreement 34 -36 (2) Construction Contract (City- Contractor) 37 -39 (3) Performance Bond 40 -41 (4) Payment Bond 42 -43 (5) Maintenance Bond 44 -46 (6) Irrevocable Commercial Letter of Credit 47 (C) CITY STANDARD CONSTRUCTION SPECIFICATIONS (1) General Requirements 48 (2) Trenching and Backfill 49 -59 (3) Water Distribution System 60 -73 (4) Sewer Pipes and Structures 74 -80 (5) Water Service Connections 81 -82 (6) Sewer Service Connections 83 -84 (7) Street Paving Replacement 85 -88 (8) Railroad and Highway Crossings 89 -93 SECTION I DEFINITIONS Unless a different meaning clearly appears from the context, the following words and terms shall have the following meanings, as they are used in these Policies and Procedures respectively: "BOUNDARY (OR ALONG SITE) FACILITIES" are defined as water or sewerage facilities located in a street, alley, or easement that is common to or between two or more develop- ments of different ownership such that the one facility serves more than one development. "CITY" shall mean the City of North Richland Hills, Texas. "CITY COUNCIL" shall mean the City Council of the City of North Richland Hills. "CITY MANAGER" is defined as the duly employed City Manager of the City of North Richland Hills, or that person or persons authorized to represent him in the performance of duties applicable to the administration of these rules and regulations. "COMMERCIAL CUSTOMERS" (Users) are other than residences whose wastes are domestic type as opposed to industrial type as defined herein. "CONTRACTOR" is defined as the person (individual, partner- ship, corporation, etc.) who has legally agreed and obligated himself to construct water and /or sewerage facilities that are to be a part of the systems of the City. "CONTRACT DOCUMENTS" shall mean the standard form of written and drawn documents employed by the City of North Richland Hills for the award of construction contracts and which consist of Notice to Contractors, Proposal, Contract Performance Bond, Payment Bond, Maintenance Bond, Descrip- tion of Project, General Conditions, Special Provisions, De- tailed Standard Specifications and Plans. "DEVELOPER" shall apply to the owner or legal sponsor of a sub- division development. "DISTRIBUTION MAIN" is defined as a water main located in a street, alley, or easement to which Service Lines are directly connected or which serve to distribute water to another water main. "DISTRIBUTION SYSTEM" is defined as the entire system of pipes, conduits and appurtenances employed to distribute water from the Supply Source to the Point of Ser- vice. is "DOMESTIC SEWAGE" is defined as the normal waste effluent from dwelling units, residences, institutions and business buildings having Biochemical Oxygen Demand (B.O.D.) of not greater than 300 parts per million (p . p . m .) and other charac- teristics of both quality and quantity similar to other purely domestic sewage in the area. "ENGINEER" shall mean a person duly authorized under the provisions of the Texas Engineering Registration Act, as heretofore or hereafter amended, to practice the profession of engineering in the State of Texas. The term "CITY'S ENGINEER(S)" shall identify the Engineer regularly employed by the City with the title and usual responsibilities of City Engineer and /or the independent Consulting Engineers retained by the City for special engineering services. The term "De- veloper's Engineer(s)" shall identify the Engineers(s) employed or retained by the Developer to perform design, planning or other engineering functions for the Developer. "AUTHORIZED PERSONNEL" shall mean those persons employed on a permanent or retainage basis to represent the City of North Richland Hills and are authorized to perform the duties applicable under these regulations. "WATAUGA" is defined as the City of Watauga, its Governing Body, or Authorized Personnel as applicable to the supply of water and sewer from this system. These rules, regulations and policies shall apply to that portion of the system lying within the corporate city limits of Watauga. "FRONT FOOTAGE" is defined as the number of linear feet in that portion of the boundary of a property (i.e., lot, tract, or parcel of land) abutting a street, alley or easement contain- ing a sanitary sewer line or water "Distribution Main" from which the property will be served with water or sewerage service. In such a case of water "Distribution Main" or Lateral Sewer" located in an easement across or into a single piece of proper- ty, the "Front Footage" shall be the length of the "Dis- tribution Main" or "Lateral Sewer" within the boundaries of the property, measured along the center line of the "Distribution Main" or "Lateral Sewer." Normally, "Distribution Mains" or "Lateral Sewers" are located in streets, alleys, or easements that are adjacent to, and separated individual lots or tracts of land, whether owned by one or separate owners. In these normal cases, the "Front Footage" for each separate lot or tract of land is the length of the "Distribution Main" or "Lateral Sewer" that is opposite to and approximately parallel with any one boundary of the lot or tract and only the "Dis- tribution Main" or "Lateral Sewer" to which the first Point of Service is established by the City shall be used on the calcu- lation of charges or refunds. 3 "HOUSE SEWER" is defined as that portion of the connecting sewer from the end of the Service Sewer to the customer's fixtures. House Sewers shall be constructed by the customer or builder in accordance with applicable ordinances of the City of North Richland Hills or the City of Watauga, depending on the location of the connection and in accordance with specifica- tions for labor and materials, as adopted by the City of North Richland Hills. "INDUSTRIAL SEWAGE OR INDUSTRIAL WASTE" is defined as the waste effluent resulting from manufacturing or industrial processes having a Biochemical Oxygen Demand (B.O.D.) greater than 300 parts per million (p . p . m .) and having other characteristics, as determined by concurrence of the City's Engineering and Director of Utilities, which would indicate that the effluent is not suitable for direct treatment by the City's treatment facilities, or would cause excessive per connection loading of the facilities. "INSPECTOR" shall mean the representative of the City (or of the Consulting Engineer if so directed by the City) who is specifically assigned to inspect any or all parts of the water and sewerage system, particularly new subdivision extensions, but who is without authority to revise, alter, or revoke the requirements of the rules, regulations, policies and procedures of the City or the approved Contract Document for the job. "LATERAL SEWER" is defined as a sewer main located in a street, alley, or easement, usually, but not always, located on the Developer's property to which Service Sewers are directly connected. "OFF -SITE FACILITIES" (approach Mains, Approach Sewers, etc.) are defined as those facilities located outside the bound- aries of an not contiguous with the area of development except by point of contact, but that are required to join remote developments to the prior existing system. "ON- SITE" FACIL- ITIES" are those situated within or surrounded by a single development such that they do not provide direct access for service to other than the one development. Generally, all discussions of facilities will pertain to on -site facilities unless they are specifically denoted to be "Off- Site" or "Boundary" facilities. "POINT OF SERVICE" (1) WATER - Service shall be considered to be available for a customer without extension cost to the customer, when a "Distribution Main," suitable for connecting the customer, exists along the street, alley or easement abutting or passing through the lot or designated building tract such that the "Water Service Connection" can be installed and the "Distribution Main" continued to the opposite side or 4 is corner of the lot or designated building tract so as to be available for commencing the separate continuation to the next adjacent lot or building tract. Provision for continuation to the next adjacent properties ' as set forth above shall always be included unless the "Distribution Main" involved must necessarily terminate as a dead end not subject to extension because of topogra- phy, street pattern, City boundaries or other fixed barriers. (2) Sewer - Service shall be considered to be available for a customer without extension cost to the customer, when a "Lateral Sewer" or sewer main suitable for connecting the customer exists along the street, alley or easement abut- ting or passing through the lot or designated building tract such that the "Service Sewer" can be installed and the "Lateral Sewer" or sewer main continued to the oppo- site side or corner of the lot or designated building tract so that to be available for commencing the separate con- tinuation to the next adjacent lot or building tract. Provision for continuation to the next adjacent properties as set forth above shall always be included unless the "Lateral Sewer" or sewer main involved must necessarily terminate as a dead end, not subject to extension because of topography, street pattern, City boundaries or other fixed barriers. No connection shall be made to any sewer belonging to the City of North Richland Hills until the proper connect- ing charges have been paid and the installation must then be properly inspected by the City's designated Inspector. "SERVICE SEWER" is defined as that portion of the connecting sewer located in the roadway, street, alley or easement between the Sewer Main or Lateral Sewer and a point approximately six feet (61) from the right -of -way line or Customer's property line and shall consist of a service wye or tapping saddle and the required length of service pipe. Sewer Service Lines shall be installed by the City or by Contractors under Contract approved by the City. Construction shall conform to current speci- fications for labor and material as adopted by the City of North Richland Hills. "SEWERAGE SYSTEM" is defined as the entire system of conduits, life stations, treatment facilities and appurte- nances required in general process of removing sewage. "SINGLE CUSTOMER" shall apply only to an individually owned single family dwelling unit or to a single commercial establishment which is not a part of a contiguous spon- sored development or subdivision, as determined by the Director of Utilities. 5 if "SUBDIVISION" is defined as the division of any tract or parcel of land into two or more parts, for the purpose of immediate sale or building development. (See Vernon's Texas Civil Statutes, Article 974a.) "DIRECTOR OF UTILITIES" shall mean the Water and Sewer Director employed by the City of North Richland Hills or other employee representative of the City of North Richland Hills who is designated by the City Man- ager as responsible for the operation and management of the City's waterworks and sanitary sewerage system. "DIRECTOR OF PUBLIC WORKS" shall mean the Public Works Director employed by the City of North Richland Hills or other employee representative of the City of North Richland Hills who is designated by the City Man- ager as responsible for operation of Public Works Depart- ment. "WATER SERVICE CONNECTION" is defined as the corpo- ration cock tapped into the Distribution Main, the Service Line, the Curb Stop, service meter of size required with meter setter or connections and the meter box or any other required items completely connected to supply water from the Distribution Main to the customer's curb stop. A standard .Service Connections is defined as a customer service supplied through a single 3/4 -inch service line and equipped with a single 3/4-inch x 5/8-inch service meter. Service connections of other sized shall be con- sidered as Special Service connections. All water service connections shall be installed by the City's forces or under Contracts approved by the City of North Richland Hills. "WATER SERVICE LINE" is defined as that portion of the Service Connection located in the roadway, street, alley or easement, which conveys water from a Distribution Main to the service meter or customer's curb stop, located approximately six feet (61) from the customer's property line, but not longer than one hundred feet (1001) from the Distribution Main. In no event shall the service line, as constructed by the City or under Contract for the City, extend on to private property without a written easement granted by the property owner to the City. All Water Service Lines shall be installed by the City's forces or under Contracts approved by the City of North Richland Hills. "WATER SUPPLY SOURCES" is defined as the origin, either singular or plural, of the water supply for the entire Distribution System, or any part thereof. 6 is SECTION II OPERATING POLICIES IN GENERAL A. PROVISIONS FOR RATIONING DURING WATER SHORTAGE. 1. The City Manager shall have the authority upon recommendation of the City Engineer and Director of Utilities to declare that a shortage of water exists at any time and may at his discretion invoke either of the following water rationing plans. a. All occupants of houses with odd - numbered postal addresses restrict outside watering to odd - numbered calendar days. All occupants of houses with even - numbered postal addressed restrict outside watering to even - numbered calendar days. Provided, however, that there be no watering in the City between the house of 5:00 p.m. to 9:00 p.m. daily . Such restriction shall last for a time not to exceed the duration of the shortage as determined by the City Manager. b. Prohibit all outside watering within the City for specified periods of time not to exceed seven (7) consecutive days. 2. Notice of such restricted use of water shall be given by publication in the official newspaper of the City, or by posting notices at three places in the City, or by actual notice to any person by an officer of the City. B. DEPOSIT REQUIRED PRIOR TO TESTING METER ACCURACY. Should any consumer demand a meter be tested for accuracy, he shall make a deposit, the amount to be determined by the Director of Utilities, with the City Utility Department. If the test shows the meter is registering within the warranty of the meter manufacturer, the deposit shall become the property of the City Utility Department. If the test shows the meter is registering more water than is actually going through the meter, the deposit shall be refunded to the user." C. RESPONSIBILITY FOR TURNING WATER OFF OR ON AT CURB STOP. When the necessity arises to turn the water on or off at the curb stop, the City shall do so on request at no charge. The responsibility for damage to the curb ' stop rests with the City except when persons other than authorized City employees damage the curb stop by turning it on or off, the responsibility then lies with the consumer in whose name the meter is registered. D. RESPONSIBILITY OF CONSUMER FOR WATER LOSS. A consumer shall be held responsible for loss of water due to breakage in pipe or plumbing on the discharge side of the meter, and if this water is not paid for according to the established rates, when it becomes due, the service shall be discontinued by the City Utility Department until charges are paid. 7 i E. RIGHT TO CONTINUE OR DISCONTINUE SERVICE TEMPORARILY FOR REPAIR. The right is reserved in the City Utility Department to temporarily discontinue and to reconnect without notice water supply to all consumers for the purpose of making repairs, connections, extensions, and cleaning of mains, machinery, reservoir or any part of the City Utility Department property. F. RIGHT OF ENTRY. Every person taking water from the City Utility Department shall at all reasonable times permit the Director of Utilities or his agents to enter the premises and building for examination of pipes and fixtures and the manner in which the water is used, and refusal by any consumer shall result in refusal of water supply from the City Utility Department until such permission is granted. G. BOND REQUIRED PRIOR TO INSTALLATION OF WATER AND SEWER MAINS. Any person installing water or sewer main lines in any dedicated public street, alley, easement or thoroughfare shall post a ten thousand dollar ($10,000.00) bond of standard form approved by the City for each one hundred thousand dollars ($100,000.00) of construction work, with approved Sureties guaranteeing maintenance for a period of two (2) years from date of installation. Such bond shall be furnished to the City prior to water or sewer installation works. H. INSURANCE REQUIRED. Any person installing water and sewer mains under the provisions of these policies shall not commence work until he has obtained all insurance required under this paragraph, nor shall he allow any of his subcontractors to commence work until all similar insurance of the subcontractor has been so obtained and approved. 1. Compensation Insurance. The Contractor shall take out and maintain during the life of this contract Workmen's Compensation Insurance for all of his employees at the site of the project, and in case any work is sublet, the Contractor shall require the subcontractors similarly to provide Workmen's Compensation Insurance for all of the latter's employees unless such employees are covered by the protection afforded by the Contractor. 2. Public Liability and Property Damage Insurance. The Contractor shall carry such ever Liability an Automobile Lia'a bility Insurance as shall protect him and any subcontractor performing work covered by these policies, from claims for damages for personal injury, including accidental death, as well as from claims for property damages, which may arise from his operations in the City. Bodily Injury Liability Insurance 9 I. shall be in an amount not less than one hundred thousand ($100,000.00) dollars for injuries, to any one person, and Property Damage Insurance shall be in an amount of not less than fifty thousand ($50,000.00) dollars for one accident. MODIFYING EXISTING WATER OR SEWER FACILITIES TO ACCOMMODATE NEW DEVELOPMENT, BUILDINGS OF OTHER IMPROVEMENTS. 1. No building of any kind shall be constructed over an existing sanitary sewer main or lateral, unless and until said sanitary sewer has been replaced with either cast iron water pipe or extra heavy cast iron soil pipe, of a type and class specified by the City, subject to the approval of the City Engineer. This pipe replacement requirement may be waived by the Engineer, if in his judgment, its fulfillment would not serve the best interests of the City. 2. Whenever it is necessary to relocate or replace an existing water or sewer facility to accommodate a use of a tract of land or lot of record contemplated by the owner and /or developer thereof, such relocation or replacement shall, at the City's discretion, be accomplished by City forces or under City supervision by an approved contractor. 3. The owner or developer shall, without charge to the City, furnish such easements or rights -of -way on the property as may be required to accomplish .construction of the relocation or replacement. 4. The cost of such work shall be borne one hundred (100) percent by the owner or developer of the property, except that should the City elect to increase the size of the existing water or sewer facility to be replaced or relocated the City shall pay the difference in the cost of pipe and size of such existing water or sewer facility and the cost of the pipe of the size the City desires to have installed in the relocation or replacement thereof, provided such increase in size is not necessary to provide capacity at least equivalent to that of the existing water or sewer facility to be replaced or relocated. J. OWNERSHIP AND MAINTENANCE. 1. Title to all sanitary sewers constructed under this policy, including service connections, shall be vested in the City. The City retains the right to invoke the Contractor's Maintenance Bond in the event of applicable defect. 2. 3. The City shall maintain and operate only those sanitary sewers whose title is vested in the City. Title to all water Mains constructed under this policy, including title to "Service Connections," shall be vested in the City. 9 4. The City shall maintain and operate only those Water Mains whose title is vested in the City. 5. All necessary easements of rights -of -way for water mains and sanitary sewers shall be furnished without charge to the City. K. PROVISIONS INPUTED TO CONSUMER. All of the provisions of these policies shall be deemed to be incorporated in every contract between the City Utility Department and its consumers, and each consumer shall be charged with knowledge of the provisions of these policies, and by applying for and accepting water from the City Utility Department, to have assented to the provisions hereof. L. ESTIMATES OF WATER LOSS. The Director of Utilities shall maintain currently by months an accounting of estimated total water produced by wells and by purchases as well as the total water sales, and shall estimate the distributions of the difference to fire usage, leakage, unaccounted losses and other cause of loss if known. M. MAINTENANCE OF DETOURS. Installation of water and sewer mains shall be done so as to provide and maintain detours and keep open facilities for public travel. N. FINAL CLEANING UP OF RIGHT -OF -WAY. Upon completion of the installation of water and sewer mains, the Contractor shall clean and remove from the right -of -way all falsework, all surplus and discarded materials, rubbish, and temporary structures, restore in an acceptable manner all property, both public and private, which has been damaged because of the work, and shall leave the streets and right -of -way unobstructed and in a neat and finished condition throughout the entire length of the project. No rubbish or discarded materials shall be dumped in the City without the express written permission of the Director of Public Works. O. BARRICADES, WARNING AND DETOUR SIGNS. Any person installing water and sewer mains shall provide, erect, and maintain all necessary barricades, suitable and sufficient red lights, danger signals and signs, provide a sufficient number of watchmen and take all necessary precautions for the protection of the work and the safety of the public. All lights shall be kept burning from sunset to sunrise. P. SALE OF WATER OUTSIDE CITY LIMITS. No water will be sold to any individual that is not within the legal City limits of North Richland Hills or the City of Watauga as now served, without prior approval of the City Council of the City of North Richland Hills. 10 Q. WATER WELLS. Water well permits will be issued by the Permit Department upon approval and payment of fee. The well cannot exceed 200 feet. R. NEW CONNECTIONS TO SEWER SERVICE. No new sewer connections will be made unless the location is served with City water, if available. 11 SECTION III SERVICE CHARGES A. THE FOLLOWING MONTHLY RATES SHALL BE CHARGED ALL CUSTOMERS FOR WATER: (7.48 Gallons = 1 Cubic Foot) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 3/4 Inch Meter - Minimum for 0 -267 cubic feet shall be $6.00 From 267 cubic feet the rate shall be $1.25 per 100 cubic feet. 1 Inch Meter - Minimum for 0 -345 cubic feet shall be $8.40 From 345 cubic feet the rate shall be $1.25 per 100 cubic feet. 1;11 Inch Meter - Minimum for 0 -460 cubic feet shall be $11.40 From 460 cubic feet the rate shall be $1.25 per 100 cubic feet. 1j Inch Meter - Minimum for 0 -937 cubic feet shall be $24.00 All over 937 cubic feet the rate shall be $1.25 per 100 cubic feet. 2 Inch Meter - Minimum for 0 -1300 cubic feet shall be $31.20 All over 1300 cubic feet the rate shall be $1.25 per 100 cubic feet. 3 Inch Meter - Minimum for 0 -2400 cubic feet shall be $57.60 All over 2400 cubic feet the rate shall be $1.25 per 100 cubic feet. 4 Inch Meter - Minimum for 0 -4000 cubic feet shall be $96,00 All over 4000 cubic feet the rate shall be $1.25 per 100 cubic feet. 6 Inch and 8 Inch Meter - Minimum for 0- 10,000 cubic feet shall be $240.00. All over 10,000 cubic feet the rate shall be $1.25 per 100 cubic feet. Billing policy where more than one user or building is tied onto the same meter: It shall be the policy of North Richland Hills to bill each home, homes, duplex, triplex, offices, or any other building where more than one user is tied on the same meter at the rate of $6.00 per month minimum of the first 267 cubic feet of water used, plus $1.25 per 100 cubic feet thereafter, regardless of the size of the meter. Billing Apartment Complexes: It shall be the policy of North Richland Hills to bill all apartment complexes of more than four apartments for 100 percent of the total occupied apartments at the rate of $6.00 for each apartment for the first 267 cubic feet of water used, plus $1.25 per 100 cubic feet thereafter, regardless of the size of the meter. It shall be the responsibility of the apartment owner to furnish a certified statement of the number of occupants prior to the 10th day of 12 each month. Failure to present a certified statement of occupancy shall result in billing 100 percent of available apartments. The meter deposit shall be $10.00 per unit of 100 percent of estimated monthly minimum billing, whichever is larger. ' 11. Billing Trailer Parks: It shall be the policy of North Richland Hills to bill each trailer park at the rate of $6.00 per trailer per month for the first 267 cubic feet of water used, plus $1.25 per 100 cubic feet thereafter, regardless of the size of the meter. It shall be the responsibility of the mobile home park ' owner to furnish a certified statement of number of trailers prior to the 10th day of each month. Failure to present the certified statement of number of trailers shall result in billing of 100 percent of available trailer spaces. The meter deposit shall be at least 25 percent of estimated monthly minimum billing. 12. Any deviation from these rates for any user shall be made by a separate contract approved by the City Council of the City of North Richland Hills. ' 13. Loading Dock or Tank Truck Customers: Customer taking water from a loading dock or fire hydrant will be charged at the rate of $3.00 per 1,000 gallons. B. THE FOLLOWING MONTHLY RATES SHALL BE CHARGED ALL CUSTOMERS FOR SEWER SERVICE: ' 1. A monthly service charge shall be paid by all customers in the amount of $5.50. 2. A monthly volume charge shall also be charged to all customers in the amount of $0.75 per 100 cubic feet of water used, or waste water produced, as more specifically set forth hereinafter. The monthly volume charge for residential customers will be based on the individual customer's average monthly water use during the previous winter quarter months of December, January and February; but in no event shall the volume used to compute this monthly charge exceed 2500 cubic feet. The volumes used to compute these charges are based on the amount of water used by the residential customer as measured by a meter. Where no previous winter quarter average is available from the records, the volume to be used for this monthly volume charge shall be estimated, such estimated volume not to exceed 2500 cubic feet per customer. 3. The monthly charges to commercial and industrial customers shall be based on total water use for each month as measured by appropriate meters, with the provision that if a customer can show, to the 13 1 satisfaction of the Director of Utilities, that a significant portion of the metered water usage does not enter the sanitary sewer system, the customer will be charged for only that volume entering the sewers, as determined by a method approved by the Director of Utilities. 4. All Industrial Users: To be served on system only by specific contract approved by Council for the particular industrial sewage or waste involved. 5. In the event a commercial customer is introducing sewage into the sewage system that creates unusual conditions or problems such as ' excessive oils, greases, or chemicals, the Director of Utilities shall advise the customer of these options. • ' a. To correct at his own expense the conditions causing the excess. b. To pay a monthly rate to be determined by the Director of Utilities to the City equal to the expense of maintained and /or treating the excessive waste. 6. Billing Policy where more than one user or building is tied onto the same ' water meter. It shall be the policy of North Richland Hills to bill each home, homes, duplex, triplex, offices, or any other buildings where more than one user is tied onto the same water meter at $5.50 per month for each customer unit for sewer, plus a monthly volume charge of $0.75 per 100 ' cubic feet of water used by the building. The monthly volume charge to be calculated as noted in Paragraph B (2) above with the exception that there shall be no volume limit as is the case for residential customers. 7. Billing Apartment Complexes :. It shall be the policy of North Richland Hills to bill all apartment complexes of more than four apartments at the rate of $5.50 per month for each apartment for sewer, plus a monthly volume charge of $0.75 per 100 cubic feet of water used by the apartment complex, plus a $10.00 per month service charge for the complex. It shall be the responsibility of the apartment owner to furnish a certified statement of the number of occupants prior to the 10th day of ' each month. Failure to present certified statement of occupancy shall result in billing of the $5.50 lump sum charge to 100 percent of the available apartments. ' 8. Billing Trailer Parks: It shall be the policy of North Richland Hills to bill each trailer park at the rate of $5.50 per month for each trailer for sewer, plus a monthly volume charge of $0.75 per 100 cubic feet of water used by the trailer - park, plus $10.00 per month service charge for the trailer park. 14 It shall be the responsibility of the mobile home park owner to furnish a certified statement of the number of trailers prior to the 10th day of each month. Failure to present the certified statement of number of trailers shall result in billing of the $5.50 lump sum charge to 100 percent of the available trailer spaces. C. BILLING -- DELINQUENT PENALTY. All charges for services furnished or rendered by the City Utility Department shall become due payable fifteen (15) days from the date mailed. Bills will become delinquent after the second notice and twenty (20) days from the initial billing date. D. DISCONTINUANCE OF SERVICE, NOTICE: RECONNECTION FEE. When customer water service has been disconnected, payment must be made by cash, check or money order to restore service. Where service has been disconnected for failure to pay for services rendered a charge of ten ($10.00) dollars shall be made for each meter disconnected before such service shall be restored. A charge of twenty ($20.00) dollars shall be made if service is restored after 5:00 p.m. E. TRANSFER FEE. A transfer fee of ten ($10.00) dollars shall be made for transfer of service from one location to another within the City. F. RETURN CHECK FEE. All return checks require a handling charge. Utility Department. 15 This fee will be posted in the SECTION IV CHARGES AND DEPOSITS FOR CONNECTIONS TO EXISTING MAINS AND LATERALS A. WATER SERVICE. 1. All applicants for water service will be required to make a meter deposit (payment security deposit) for each water service connection, such deposit to remain with the City throughout the term of the service contract. The amount of the deposit shall be determined as follows: a. For residential customers who have not previously been eligible for discontinuance under preceding Section III D, the deposit shall be $35.00 plus non - refundable service charge of $5.00 b. For commercial customers, the deposit shall be calculated by the Director of Utilities to equal the multiple of $5.00 nearest the estimated average monthly billing for the particular type of customer involved, but in no case less than $35.00 plus $5.00 service charge. C. A building contractor shall place a meter deposit of $35.00 for each standard service requested, plus $5.00 service charge, or may place a floating meter deposit of $100.00, which shall be applicable to all services in his name at a given time. The contractor shall be liable for all charges for water used until occupant makes deposit. A $5.00 service charge shall apply to each meter. d. An applicant for service from a fire hydrant where water is placed in a tank truck or other container shall place a meter deposit with the City of North Richland Hills, the amount of which will be specified by the Director of Utilities. Fire hydrant meters are designed for use in construction projects, the exact location of which will be required on the application. Each applicant shall be required to provide an accurate reading each month for billing purposes. Should an applicant fail to provide a reading, he shall be billed a minimum of $100.00 per month. Contracts for fire hydrant meters will be valid for six (6) months at which time applicant must renew his contract or forfeit his deposit. Applicant shall hold each meter as a bailee under contract to return same at the end of the stated period. ' The deposit will be refunded, or in the event a balance is due, applied against the final bill for services required upon termination of the contract. The City will not pay interest on meter deposit funds. 16 2. In locations were a complete service connection, including tap, service line, curb stop, meter, and box were paid for or installed by a developer or other prior single customer, no charges are made other than the meter deposit (above) and the regular monthly service charges as set forth in Section III. 3. At locations where only a partial connection has been previously paid for or installed, including only the tap, service line or curb stop and setter, the applicant for service shall pay (in addition to the meter deposit) the cost of completing the service connection with meter and box, which costs are non - refundable. For all services 3/4 inch through 6 inches, an estimate of the cost plus $50.00 for the connection will be provided by the City and a deposit of the estimated amount will be required before work is started on the installation of such connection. Should the final cost of the work exceed the amount of deposit, a statement showing the amount of the excess will be immediately furnished to the person having made the deposit, and this amount will be due before water service is actually begun. Should the final cost be less than the amount of the estimate or deposit, a refund of overpayment will be immediately made to the person from whom the deposit was received. 4. At locations where no part of the service connection is existing, or previously paid for, but a distribution main is existing adjacent to the property to be served, the non - refundable connection charge plus $50.00 shall be quoted by the City at the time of installation. ' This is in addition to the meter deposit. Should the service line required be longer than 50 feet, or should the customer desire larger service, an estimate of the cost for the connection will be provided by the City, and a deposit of the estimated amount will be required before work is started on the installation of such connection. Should the final cost of the work exceed the amount of the deposit, a statement showing the amount of the ' excess will be immediately furnished to the person having made the deposit, and this amount will be due before water service is actually begun. Should the final cost be less than the amount of the estimate or deposit, a refund of overpayment will be immediately made to the person from whom the deposit was received. Where applicable there shall be added the cost of street repairs as ' follows: a minimum street cut of $100.00 shall be deposited at the time water service is requested and before service is started on installation of such connection. Should the final cost of the work exceed the amount of ' the deposit, a statement showing the amount of the excess will be immediately furnished to the person having made the deposit, and his amount will be due before water service is actually begun. Should the final cost be less than the amount of the deposit or estimate, a refund of overpayment will be immediately made to the person from whom the deposit was received. 17 5. Where a single customer desires to increase the size of his existing service connection, the City shall determine the charges for the larger service connection, and shall apply a credit against the charges of the larger connection equal to 75 percent of the cost of the existing meter. 6. Extension of the service piping from the City's meter and curb stop shall be accomplished by the customer at his expense; however, such installation shall be in accordance with the applicable ordinance of the City. B. SEWER SERVICE. 1. Applicants for sewer service who also have posted the $35.00 meter deposit for water service to the same location are not required to post a separate deposit for sewer service; however, if the applicant receives sewer service only, or for any other reason, has not posted the water meter deposit, then they will be required to make a sewer service payment security deposit, in the amount of Thirty -Five Dollars ($35.00) for each such sewer service connection, which will remain on deposit with the City throughout the term of the service contract. The deposit will be refunded, or in the event a balance is due, applied against the final bill for services rendered, upon termination of the contract. The City will not pay interest on such deposit funds. 2. Where the furnishing of sewer service by the City does not require the extension of lateral sewers or other sewer mains as defined under Point of Service to serve a new single customer, the charge for the right to connect to the system shall be Three Hundred and Five Dollars ($305.00), except in a developed subdivision where a developer has paid for the installation of sewer facilities then the charge shall be Fifty Dollars ($50.00) . Where applicable there will be added the cost of street repairs as follows: a minimum street cut of $100.00 shall be deposited at the time water service is requested and before service is started on installation of such connection. Should the final cost of the work exceed the amount of the deposit, a statement showing the amount of the excess will be immediately furnished to the person having made the deposit, and this amount will be due before water service is actually begun. Should the final cost be less than the amount of the deposit or estimate, a refund of overpayment will be immediately made to the person from whom the deposit was received. 3. No permits for septic tanks will be issued until the person so desiring shall first have a perculation test run and deliver such tests, along with the construction plans for the septic system, to the County Health Department. Only after review and approval in writing will a building permit be issued. 18 SECTION V SYSTEM EXTENSIONS TO SERVE SINGLE CUSTOMERS OR GROUPS OF INDEPENDENT SINGLE CUSTOMERS A. GENERAL This section shall apply only to single customers or groups of independent single customers requiring system extensions to satisfy the requirements of Point of Service for connection to the City's water or sewerage system, and it shall specifically exclude extensions for subdivisions which are covered in Section VI. Extensions of the City's water or sewerage systems or both under the provisions of this section of the policies which are in addition to the extensions required for Point of Service, shall be at the discretion of the Director of Utilities, subject to approval by the City Manager, but, in any event, the entire costs of the extensions in excess of Point of Service allowances shall be paid by the customers whose service lines are directly connected to the extension. B. METHOD OF PROCEDURE. Where one or more single customer desires that the City extend either its water or sewerage systems, or both, beyond the amounts specified to satisfy the requirements for Point of Service for their property, they shall made their request to the City in writing, stating the lot and block number, name of subdivision and street address of the property to be served and the type or types of service required. Each request shall be signed by all property owners initially requesting service and their signatures shall be identified with the property they desire to be served. Upon receipt of such request, the City Manager will instruct the City's Engineer(s) or Director of Utilities to prepare an estimate of the cost of the extensions beyond the Point of Service which shall include actual construction cost plus an allowance of ten percent (10 %) of such costs to cover the administration, field surveys and contingencies. The estimated amount of the construction cost plus ten percent (10 %) as determined above the extending the distribution mains, lateral sewers or sewer mains beyond the amount of the extension required to satisfy Point of Service for each customer, plus the applicable connection charge and meter deposit prescribed for each of the initial customers requiring the extension as set forth in Section IV shall be deposited with the City by the individuals in proportions determined as hereinafter provided before construction is initiated by the City. 19 Each single customer participating in system extensions under this Section of the City's policies shall execute a written agreement with the City setting forth in detail the location, extend, total and single customer cost of the extensions, and the name and address of the person to whom any refunds are payable including developer pro -rata refunds, if applicable. After all required deposits are posted with the City, the applicants may stipulate that competitive bids be received from private contractors for performing the extension, otherwise it will be left to the option of the City Manager whether the work is let by competitive bids or performed by City forces for the amount of the estimate. If the work is done by the City forces the Director of Utilities shall furnish the City Engineer with a plat showing the size and location of line for its addition to the City Utility system map. If bids are received on the work, the amounts of the deposits will be adjusted by additional collection or refunds to the actual contract cost plus ten percent (10 %) plus the applicable connection charges and meter deposits. Such adjustment shall be made upon completion of the work and prior to connecting the customer for service. C. DETERMINATION OF PROPORTIONS OF EXTENSION CHARGES ASSIGNED TO RESPECTIVE INDIVIDUALS PARTICIPATING IN EXTENSIONS BY GROUPS. Where groups of single customers join together to accomplish system extensions for service as provided above, the proportion of the cost assigned to each individual customer shall be determined as follows: 1. The total construction cost of the sewer and /or water main extension ' including all appurtenances, water service connections, and service sewers, shall first be determined, to which is added ten percent (10 %) for the group of participants total extension cost. 2. The participants total extension cost shall be proportioned to the individual single customer by a combined relationship of individuals "front footage" as well as distance from prior termination of system as 'follows: a. The distance from prior termination of system to the proposed service connection location shall be determined for each participant and all these distances shall be added together. b. The front footage length of all participants shall be added together. 'C. The combined total of a and b above shall be divided into the individual totals of distance from prior system plus front footage, ' thru providing the factor which when multiplied by the group of participants total extension costs gives the individual's share. 3. In addition to extension costs thus determined, the customer shall also pay connection charges and meter deposits as provided in Section IV and provide their own sewer service line and /or water connection to the meter. 20 D. SUBSEQUENT CONNECTIONS TO EXTENSIONS PAID FOR BY SINGLE CUSTOMERS OR GROUPS OF SINGLE CUSTOMERS. When intermediate customers between the last previous point of service and the extended point of service request and pay the standard connection charges plus extension charges, the City will refund to the initial customer who paid for the extension, the pro rata sum that the front footage of the intermediate customers property bears to the total feet of the extension until the full amount advanced to the City for the extension beyond the amount required to satisfy point of service has been repaid. Refunds shall be made to the initial customers within thirty (30) days after the new customer connection charges have been paid to the City, and shall be divided among the initial participants in the same proportion as their participation in the extension. E. PRO RATA PAYMENT OF LINES FOR INDIVIDUALS. When an individual is responsible for a pro rata share of lines on two (2) or more sides of his property the following formula shall apply. Payment shall be made for the longest dimension of the property fronting on a street. Only one tap will be allowed. If at a later time an individual desires another tap for the same piece of property then the pro rata share for the balance of the frontage must be paid. 21 SECTION VI SYSTEM EXTENSIONS TO SERVE SUBDIVISION DEVELOPMENTS A. BASIC POLICY AND SCOPE OF CHARGES. 1. The developer shall pay all costs attributable to the installation of water and sewerage facilities as are needed to fulfill the basic criteria requirements of the City for service to his subdivision. Such costs generally comprise the following: a. Easement or right -of -way cost b. Direct construction cost C. Engineering design and general administration d. Review and handling of plans and contract documents e. Construction layout, cut sheets and field adjustments f. Inspection and acceptance by City g. Fees assessed on others not within the control of the City of North Richland Hills In all cases, the developer furnishes or pays for all easements or right- o --way, and all fees or assessments by other parties not within the control of the City of North Richland Hills. Also, in all cases, the Developer pays to the City of North Richland Hills a fee in the amount of four percent (0) of the actual construction cost for which the City reviews the plans and contract documents and performs the inspection and acceptance of the work (Items d and f) . The Developer shall employ his own engineer to furnish the engineering design, general administration, construction layout, cut sheets and field adjustments (Items c and e) at no cost to the City. 2. All subdivision extensions shall be covered by a City - developer agreement, which clearly defines the scope and details of the proposed extension and particularly contains the developer's agreement to abide by all regulations of the City and to deliver to the City clear and ' unencumbered title to all the proposes improvements at the time of acceptance by the City, which must be prior to commencing service. 22 3. The City shall participate in the cost of subdivision extensions only where and to the extent that oversized facilities in addition to the subdivision needs are required for the proper overall benefit of the system and when City funds for such oversizing are available. Such oversizing needs shall be determined by the City's Engineer(s) with concurrence of the City Manager, and shall be authorized only by approval of the City Council. 4. When the City participates in the cost of constructing the project by oversizing facilities, or other participation, the contract for construction shall be executed between the City and the contractor after compliance with all Charter and Statutory requirements for advertising and receiving competitive bids. When the City does not participate in the construction costs of the project, the contract for construction may be negotiated between the developer and the contractor of his choice, or by mutual agreement of the developer and the City Manager, bids may be received. In either event, the contract shall be executed between the City and the contractor. The developer will then place in escrow, with the City, funds totaling the amount of the contract plus the appropriate percentage fees as outlined in Item Number 1 above. 5. Refunds to the developer shall be made only on applicable situations involving connections to offsite facilities (approach mains) or boundary facilities, and then only when provisions for such refunds are specifically provided for in the City - developer contract executed prior to construction of the extensions. B. METHODS OF PROCEDURE. I. Developer initiates preliminary action by obtaining copy of applicable portions of policies and procedures from the City. Developer then has his Engineer prepare and submit to the Director of Utilities, who forwards to the City's Engineer(s) after a review by the Fire Chief and Director of Public Works, a preliminary layout of proposed water and sewer extensions superimposed on an approved preliminary plat signed by the City, along with his tentative estimate of costs for the overall development and for the first section if incremental development is proposed. City's Engineer(s) review the proposed preliminary plat and returns to the City with comments and recommendations concerning acceptability and oversizing needed. City advises developer of tentative approval or necessary changes with copy to City's Engineer(s). 2. Action toward the filing and improving of all or a portion of development covered by preliminary action as per Item Number 1 above is initiated by the developer as follows: The City furnishes the developer with three (3) blank forms of the Standard City - Developer Agreement. Developer's engineer shall prepare and submit to the City complete construction plans, specifications and other necessary contract documents along with estimates of developer's 23 Is a. If bids are received, City Engineer(s) receives and recommends award to City Manager. If not, developer advises who is contractor and furnishes bid amounts. City Manager or Director of Utilities notifies developer to have documents executed and return to the City. b. After the work order is issued, the developer's engineer provides the construction layout, staking and prepares cut sheets for all sewers. A copy of all cut sheets shall be furnished to the City's Engineer(s) , the Director, or Inspector and the contractor. Also, a carbon copy of the actual construction staking field notes shall be furnished to the City's Engineer(s) . The Director of Inspector shall inspect the work and review the partial and final pay estimates to the contractor as prepared by the developer's engineer. After pay estimates have been agreed upon by the Inspector and the contractor, they shall be transmitted to the City's Engineer(s) for checking. The City's Engineer(s) shall check all pay estimates and after they are in order, shall transmit them to the City Manager with recommendation for payment or corrections as noted. After final completion of the work to the satisfaction of the Inspector and City Engineer(s) , the City Manager shall issue a statement of acceptance of the facilities for ownership and operation by the City to the developer. C. EVALUATED PRICES. When the City participates in the cost of facilities for oversizing or for any other reason, separate bid items shall be set up to reflect the cost to the City when such separate items can be feasibly determined. In the absence of such specific bid prices, the price shall be determined by using a current bid price or City Engineer's estimated price. 24 cost and City participation, two blueline prints of the final plat showing approval signatures for the City of North Richland Hills, or City of Watauga if in Watauga. Such documents shall be submitted to City's Engineer(s) for review and after they have been fully completed, and ' are acceptable and approved by the City Council, the City shall return them to developer with Notice of Approval in exchange for the executed City - Developer Agreement and City's fee of four percent (4$). If contract is to be let for bid, the developer's. engineer prepares and furnishes to he City a Notice to Bidders to be properly published with bids to be addressed to the City Manager and received at the North Richland Hills City Hall. 3. After selection of the contractor has been accomplished by bids or negotiation as per Item Number 2 above, the actual construction shall be accomplished as follows: a. If bids are received, City Engineer(s) receives and recommends award to City Manager. If not, developer advises who is contractor and furnishes bid amounts. City Manager or Director of Utilities notifies developer to have documents executed and return to the City. b. After the work order is issued, the developer's engineer provides the construction layout, staking and prepares cut sheets for all sewers. A copy of all cut sheets shall be furnished to the City's Engineer(s) , the Director, or Inspector and the contractor. Also, a carbon copy of the actual construction staking field notes shall be furnished to the City's Engineer(s) . The Director of Inspector shall inspect the work and review the partial and final pay estimates to the contractor as prepared by the developer's engineer. After pay estimates have been agreed upon by the Inspector and the contractor, they shall be transmitted to the City's Engineer(s) for checking. The City's Engineer(s) shall check all pay estimates and after they are in order, shall transmit them to the City Manager with recommendation for payment or corrections as noted. After final completion of the work to the satisfaction of the Inspector and City Engineer(s) , the City Manager shall issue a statement of acceptance of the facilities for ownership and operation by the City to the developer. C. EVALUATED PRICES. When the City participates in the cost of facilities for oversizing or for any other reason, separate bid items shall be set up to reflect the cost to the City when such separate items can be feasibly determined. In the absence of such specific bid prices, the price shall be determined by using a current bid price or City Engineer's estimated price. 24 D. DEVELOPER PAYMENTS. When any extension or improvement to the water and /or sewerage system is to be installed under contract between the City and a contractor, the cost of which is to be paid wholly or partially by a developer, the contractor shall ' not be authorized to commence work until after the City has received the — ull amount due from the developer, either in cash to be placed in escrow or by irrevocable commercial letter of credit from a bank or other lending agency acceptable to the City, the conditions of such letter to be included in the City - Developer Agreement and of form approved by the City Attorney. ' E. CHARGES AND /OR REFUNDS ON OFF -SITE AND BOUNDARY FACILITIES. 1. When any customer, whether an individual, residential or commercial customer, builder, developer or any other person, desires a service connection direct to an existing water or sewer line that was previously installed as a boundary or off -site facility of an extension serving another development or other individuals, the charges for each such connection to the line shall be assessed in accordance with the terms of the preceding Section IV -A and IV -B. 2. Where a water or sewer line has been purchased or installed at City ' expense across or alongside undeveloped property, the subsequent developer of such property shall be assessed for the cost of the line across or alongside his property exclusive of oversizing not needed to serve his subdivision. On water and sewer lines alongside undeveloped property the assessment shall be apportioned between abutting property owners. ' 3. When a developer installs "off- site" or boundary facilities in which the City does not participate in the cost in any way, such developer shall become eligible for refunds from future connections to these facilities by 1 fully identifying in the City - Developer Agreement the line location and extent of such boundary or off -site facilities. Such refunds shall be made only from the connection charges as they are paid by customers ' not within the platted area of development covered by the Agreement. The determination of such refunds shall be made by the same formula as set up in preceding Section V -D. 4. When portions of an increment of a development necessitates facilities that are boundary or off -site relative to the initial increment, but later furnished direct service to subsequent increments, then such later connections may be made without payment of additional connection charges by the same developer or his legal heirs, assigns, successors, or executors; however, if the subsequent development is by others, then ' connection charges will be assessed and refunds to the original developer will be made if so provided in his City - Developer Agreement. 25 SECTION VII STANDARD REQUIREMENTS AND CRITERIA OF DESIGN FOR SYSTEM EXTENSIONS A. All contract documents for extensions or improvements to the City's water or sewerage facilities shall be prepared under the supervision and bear the seal of a Licensed Professional Engineer, licensed by the State of Texas in the field of Civil or Sanitary Engineering, as required by the revised Civil Statutes of Texas, Article 327a, Section 19, and shall consist of the following: 1. Notice to contractor (if applicable) 2. Proposal or proposals *3. Contract *4. Performance bond (equal to 100 percent (100 %) of total contract) ' *5. Payment bond (required by the 56th Legislature of Texas) *6. Maintenance bond (20 percent (20 %) of total contract for two (2) years) 7. Description of the project (by engineer) 8. General conditions (standard adopted by City) ' 9. Special provisions (by engineer) 10. Detailed specifications (standard adopted by City) 11. Plans (usually but not always bond separately) ' *Note: The city will furnish five (5) copies of the City Standard Items noted thus * for inclusion in the documents and the developer's engineer will prepare other sections required for complete documents. B. WATER SYSTEM DESIGN AND CONSTRUCTION STANDARDS. 1. All materials and workmanship used in extensions or improvements to the ' City's water system shall conform to the latest revisions of American Water Works Association or American Standards Association specifications and particularly to the most recent revisions of the Detailed ' Specifications which have been adopted by the City; a copy of which is on file at the offices of the City of North Richland Hills, and will be made available for inspection upon request. All installations shall be designed and constructed to conform to the latest applicable rules and ' regulations as published by the Texas State Department of Health. 26 2. Non - rising stem gate valves with slip or screw type case iron cover boxes and other control devices shall be installed throughout the system as recommended by the City's Engineer for proper control, maintenance and operation of the system. These valves shall be "Mueller," or approved equal. 3. Standard three -way, improved type, dry head fire hydrants constructed to provide a minimum of three feet (31) of cover over the connecting main shall be installed at locations such that all areas of single family development are located within a five hundred foot (5001) radius from a fire hydrant or all such hydrants will be placed so that hose line routes will be no more than eight hundred feet (8001) by public right -of -way. In the areas other than single family development fire hydrants shall be on a three hundred foot (3001) radius. The area of development shall be defined as the full area delineated by the limits of the approved development plat. These fire hydrants shall be "Mueller," or approved equal. 4. All fire hydrants shall be installed with a cut -off valve and shall be served by a six inch (611) or larger supply or distribution main. ' 5. All distribution mains from nominal six -inch I.D. to 12 -inch I.D. inclusive shall be either ductile iron or PVC in accordance with the Standard Specifications. 6. All supply mains and distribution mains installed within a developer's platted and filed area of development must extend to the borders of his development as required for future extension of the City's system, regardless of whether or not such extensions are required for service within the area of development. 7. After installation of water lines and curb and gutter the contractor will be required to install all meter boxed to top of curb grade at his own expense. The City will furnish the meter boxes. In addition, the contractor will be required to adjust all valve boxes, fire hydrants, etc., to top of curb grade if the water main is located behind the curb and gutter. Afterwards, the builder or homeowner will be responsible for adjusting valve boxes, fire hydrants, meter boxes, etc., to finished lot grade upon final inspection. 8. A $1.00 to $200.00 fine may be levied against any unauthorized person or persons opening or closing a main City water distribution valve without the express permission and supervision of the City Utility Department. 27 J 1 1 1 1 1 1 9. Water system extensions and improvements shall be designed in accordance with Master Water and Sewer Plan. C. SEWERAGE SYSTEM DESIGN AND CONSTRUCTION STANDARDS. 1. All materials and workmanship used in extensions or improvements to the City's sewerage system shall conform to the latest revisions of the applicable sections of the American Society of Testing Materials Standards as prescribed in the latest revision of the Detailed Specifications which have been adopted by the City; a copy of which is on file at the offices of the City and will be made available for inspection upon request. All installations shall conform to the latest applicable design criteria for sewerage systems as published by the Texas State Department of Health. 2. Approach sewers shall be designed with consideration for serving full drainage area subject to collection by the system, but modified as governed by the projected rate of development and the financial feasibility of the proposed extension. Lateral sewers shall be designed to serve the planned area of development with provision for extension where possible into adjacent undeveloped areas. The population density for undeveloped areas shall be based on surrounding development, but shall not be less than 9.5 persons per acre unless approved otherwise by the City. The contributing sewage flow shall be determined on the basis on an average flow of 100 gallons per person per day without separate provision for infiltration. Outfall sewers, approach sewers and collector sewers shall be designed on the basis on the following peaking factor formula: Peaking Factor = 1 + 14 4 + p P = population expressed in thousands. ' 3. All lateral sewers or sewer mains installed within a developer's platted and filed area of development must extend to the borders of his development as required for future extensions of the collecting system regardless of whether or not such extensions are required for service within the development. 4. Detailed determination of the sanitary sewerage area shall be the ' responsibility of the City. Where there is a question as to the facilities required, it shall be resolved in favor of additional capacity. All • construction will be inspected by the City's designated Inspector. ' 5. The construction of sewage lift or pumping stations or separate treatment facilities will not be permitted unless the costs of constructing such lift stations or separate facilities is at least thirty percent (30 %) less than the cost of constructing an adequate outfall or approach sewer to serve the area. All estimates of costs for this determination shall be by the City's Engineer(s) . 1 28 1J 6. In such cases where sewage lift stations or separate treatment facilities are permitted, they shall be designed by the City's Engineer(s) and constructed under contracts awarded by and in the name of the City. The construction costs of such facilities plus ten percent (10 %) shall be deposited with the City by the developer or person requiring the facilities, prior to commencing construction. 7. Gravity flow sewer pipe of sizes twelve inches (1211) and smaller shall be vitrified clay pipe conforming to A.S.T.M. Specification C 26 -60T for standard strength and C 278 -60T for extra strength. Extra strength pipe shall be used where trench depths exceed eighteen feet (181) and at such other locations as determined necessary by the City's Engineer(s). Joints for vitrified clay pipe shall be factory made joints conforming to A.S.T.M. Specification C 424 -60T, Type III, as manufactured under the trade name of "Delta Seal". In dry trench conditions and at special connections, joints may be made using Atlas JC 60 after proper priming with Atlas 60 primer. Gravity flow sewer pipe of size twelve inches (1211) and smaller shall be unplasticized polyvinyl chloride (PVC) plastic gravity sewer pipe with integral wall bell and spigot joints for the conveyance of domestic sewage. Pipe and fittings shall meet the strength requirements of A.S.T.M. Specification D 3034, SDR 35. (SDR is arrived at by dividing the pipe O.D. by wall thickness) . Joints for the PVC pipe and fittings shall be compression rubber gasket joints. The bell shall consist of an integral wall section. Fittings and accessories shall be manufactured and furnished by the pipe supplier or approved equal and have bell and /or spigot configuration identical to that of the pipe. Minimum pipe stiffness at 5 percent (5$) deflection shall be 46 for all sizes when calculated in accordance with A.S.T.M. D 2412. Pipe Size Outside Diameter Minimum Wall Thickness 4" 4.215" ± 0.007 0.125 6" 6.275" ± 0.009 0.180 8rr 8.400" ± 0.010 0.240 10" 10.500" ± 0.013 0.300 12" 12.500" ± 0.016 0.360 Deflection of PVC pipe: The maximum allowable initial deflection is ten percent (10 %) with a maximum of 50 percent (50 %) of the initial deflection allowable within the first ten years. 8. Gravity flow sewer pipe of sizes fifteen inches (1511) and larger shall be vitrified clay pipe as stated above or under suitable conditions as approved by the City's Engineer(s) other types of pipes may be used as determined by the individual conditions. 29 9. Service sewers and house sewers from the lateral sewer to the clean -out location immediately outside the building where service is provided shall be vitrified clay with "Delta- Seal" joints or may be cast iron soil pipe. The service sewer and the house sewer shall be tested with an exfiltration test as an indication of its ability to climinate infiltration. The test shall be made by a plumber or the person installing said sewer and shall be completed prior to placing of backfill or blinding material on the pipe. The test shall be made by placing a water tight plug in a test tee until the water reaches the level of the rim of the cleanout stack. If any leak is detected during a period of thirty minutes (30) , the defective portion of the sewer shall be removed and replaced with sound material and the exfiltration test repeated until the total installation is found to be tight. No cement shall be used for the purpose of repairing a defective joint. Repairs may be made by using Atlas JC 60 hot poured joint compound and encasing the repair with a minimum thickness of four inches (411) of five (5) sack concrete. The encasement shall completely encircle the pipe for a length of at least twelve inches (1211) on either side of the point of leakage. 10. No connection shall be made to the City's sewerage system which will permit the entrance of surface water from roof, street or other type drains. 11. The following design practices shall be considered applicable, but they may be modified by concurrence of the City's Engineer(s) and Director in specific cases where they are impractical. No sewers other than service sewers and house sewers shall be less than six inches (611) in diameter. Service sewers and house sewers shall not be less than four inches (411) in diameter and shall approach the "lateral sewer" on at least a one percent (1 %) grade. All lateral and approach sewers shall be designed with hydraulic slopes sufficient to give mean velocities, when flowing full or half -full of not less than two feet (2.01) per second based on Kutter's or Manning's formula using an "n" valve of 0.013. Grades which will produce velocities in excess of five feet (51) per second shall be avoided. Sewers shall be laid in straight alignment wherever possible. Where horizontal curvature must be used, the smallest radius shall be one hundred feet (1001). Manholes shall be constructed at all changes in alignment, grade or size of sewer intersection of other sewers except service sewers and at the ends of all sewer lines that will be extended. Intersecting sewers shall enter the manholes at the crown line or top of the intersection or main sewer and the inverts of all manholes shall be formed concave to fit the connecting sewer pipes. 30 u 12. All six inch (61') and eight inch (811) sewer lines shall be air tested and hold four P.S.I. (4) for twenty minutes (20). All ten inch (1011) and larger sewer mains shall hold three P.S.I. (3) for fifteen minutes (15). 13. The contractor will be required to adjust all sanitary sewer manholes and cleanouts to top of curb grade after construction of curb and gutter if the sewer main is located behind the curb. Afterwards, the builder or homeowner will be responsible for adjusting manholes and cleanouts to finished lot grade upon final inspection. The top of the manhole cone shall be installed at least 18 inches below the proposed finished grade with final adjustment of rim made with precast reinforced concrete grade rings or red face brick, as shown in the manhole detail on Page 31 CHECK LIST FOR PROCESSING DEVELOPER EXTENSIONS APPENDIX "All-TO THE RULES, REGULATION POLICIE AND PROCEDURES WATER AND SEWAGE F7iCILITIES CITY OF NORTH RICHLAND HILLS, TEXAS Description and Order of Action Date of Verified by Action (Initial) 1. City to Developer, North Richland Hills Policies and Procedures 2. Developer to City, Preliminary W & S Layout Estimate by Developer's Engineer 3. City to City Engineer, Layout and Estimate for Checking 4. City Engineer to City, Comments on Oversizing Needs and Developer's Layout 5. City to Developer, Approval and /or Comments on Preliminary Layout 6. Developer to City, Two Sets Contract Documents, Estimates ,and Approved Plat 7. City to Developer, Three Copies of Developer- City Agreement Form 8. City to City Engineer, Documents, Estimates and Plat for Checking 9. City Engineer to City, Comments on Documents and Oversizing 10. Developer and City, Executed Developer -City Agreement and Escrow Deposit 11. Approval by City Council 12. City to Developer, Notice of Approval to Proceed 13. Documents Distributed for Selection of Contractor Either (A) to City's Engineer to Receive Bids or (B) for Developer to Negotiate Contract 14. City Engineer to City, Tabulation of Bids and Participation Breakdown 15. Developer to City, Complete Deposit and Volume and Page of Filing 32 DESCRIPTION AND ORDER OF ACTION 16. City to City Engineer, Instructions to Execute Documents and Issue Work Order 17. City Engineer Distributes Documents and Work Order 18. Work Staked for Construction by Developer's Engineer 19. Cut Sheets Furnished to City by Developer's Engineer 20: Partial Estimates Paid by City #1 (Not to Exceed 90% of Total) #2 #3 21. Work Completed, Accepted by City and Final Pay to Contractor 33 DATE OF ACTION VERIFIED BY (INITIAL) THE STATE OF TEXAS COUNTY OF CITY - DEVELOPER AGREEMENT KNOW ALL MEN BY THESE PRESENTS: That , an individual dba (or) a Corporation organized under the laws of (or) a Partnership consisting of of the County of , State o , hereinafter called Developer, and the City of North Richland Hills, Tarrant County, Texas, hereinafter called City, enter into the following contract: In consideration of the mutual covenants herein contained and for the purpose of providing water and sewerage service to the increment of the , addition tote City of , Texas, as filed of record in Volume , Page of the Plat Records of Tarrant County, Texas (or if not yet filed, ass own on the plat attached hereto), the parties do agree: 1. The Developer agrees to pay the City an inspection and processing fee in the amount of four percent (4 %) of the construction cost of the facilities required to serve his subdivision, and in addition, at no cost to the City, to have complete construction plans, specifications and other contract documents, prepared by a registered professional engineer who will also furnish construction layout, cut sheets and field adjustments. 2. The Developer agrees to furnish all permits, easements, rights -of -way or other sites necessary for the project at no cost to the City, or to reimburse the City for all costs incurred if such items are required by the City, and to abide by all properly approved rules and regulations of the City of North Richland Hills. 3. The Developer agrees to post with the City a cash deposit to be placed in escrow or an "Irrevocable Commercial Letter of Credit" in amount equal to the total construction cost, and the City will enter into Contract with a Contractor who will perform the work and be paid by the City from the deposit or letter of credit posted by the Developer. ' 4. Developer understands and agrees that he has no authority to cancel, amend the terms of the construction contract without specific written • authority of the City and that he shall be responsible for paying the any cancellations, alterations, or amendments to the Contract unless specifically provided otherwise by written authorization from the City. 34 alter or costs of 5. The City will participate in the cost of oversizing portions of the facilities as 'follows: 6. The Developer will be eligible for refunds in accordance with standard policy of the City on "Boundary" and /or "Off- Site" facilities as follows: • 7. The City will provide the inspections as required and upon satisfactory completion of the work the City will accept ownership and operation of the system. 8. Upon completion of the work good and sufficient title to all facilities constructed warranted free of any liens or encumbrances is hereby vested in ' the City of North Richland Hills. IN WITNESS WHEREOF, the parties to these presents have executed this Contract in three (3) counterparts, each of which shall be deemed an original of this the day of , 19 Developer (SEAL) By ' ATTEST: City By City Secretary 35 THE STATE OF TEXAS COUNTY OF BEFORE ME, the undersigned authority, on this day personally appeared known to me to be the person whose name is subscribed in the foregoing instrument, and acknowledge to me that he executed the same for the purposes and considerations therein expressed. ' GIVEN MY HAND AND SEAL OF OFFICE this A. D. , 19 • Notary Public 36 day of County, Texas CITY - CONTRACTOR AGREEMENT STATE OF § ' COUNTY OF § THIS AGREEMENT, MADE this day of 19 by and between the CITY OF NORTH RICHLAND HILLS, TEXAS, acting therein through its MAYOR, hereinafter called OWNER, and (Name of Contractor) of the City of County of and State of f hereinafter called CONTRACTOR. WITNESSETH: That for and in consideration of the payment and agreement hereinafter mentioned, to be made and performed by the OWNER, the CONTRACTOR hereby agrees with the OWNER to commence and complete the construction of the certain works or project described as follows: (Describe project as stated on cover for contract documents) hereinafter called the project, for the sum of Dollars ($ ) , and all extra work in connection therewith, under the terms as is stated in the contract documents for the work or project; and at his (or their) own proper cost and expense to furnish all of the materials, supplies, machinery, equipment, tools, superintendents, labor, insurance and other accessories and services necessary to complete the said project in accordance with the conditions and prices stated in the Proposal, the General Conditions, Special Provisions; the Plans, which include all maps, plats, blueprints, and other drawings and printed or written explanatory matter thereof and the specifications, all of which comprise the contract documents therefor, as prepared by , all of which are made a part hereof and collective y evidence and constitute the Contract. 37 The CONTRACTOR hereby agrees to commence work under this Contract on a date to be specified in a written "Work Order" of the City's Engineer(s) and to fully complete the project within thereafter. (State calendar or working days) ' The OWNER agrees to pay the CONTRACTOR either by exercise of an irrevocable letter of credit or from a cash escrow deposit posted by the project Developer as follows: (1) If payment is secured by letter of credit, no partial payments will be made until all lines and appurtenances have been installed, at which time a payment Tninety percent (90 %) of the total may be paid and the remaining ten percent (10 %) paid after final cleanup and acceptance by the City, or at Contractor's option, he may wait for one total payment after final cleanup and acceptance; or (2) If payment is secured by cash escrow deposit, each month the OWNER will made partial payments to the CONTRACTOR for work performed during the preceding calendar month on estimates certified by the City's Engineer(s). Except as otherwise provided by law, ten percent (100) of each approved estimate shall be retained by the OWNER Until this contract is performed. Upon completion of the project, the OWNER'S ENGINEER shall, at the request of the CONTRACTOR, issue a "Certifi- cate of Completion" and /or a final estimate based on final measurements of all work completed, and upon acceptance of the project by the OWNER, the OWNER shall, within thirty (30) days, pay to the CONTRACTOR the balance due under the terms and conditions of the Contract. (Mark out Section 1 or 2 not applicable.) It is hereby mutually agreed by and between the parties hereto that no mechanic, contractor, subcontractor, material man or other person can or will contract for, or in any other manner have, or acquire any lien upon the building or works covered by this Contract, or the land upon which the same is situated. IN WITNESS WHEREOF, the parties to these presents have executed this Contract in five (5) counterparts, each of which shall be deemed an original, in the year and day first above written. (SEAL) CITY OF NORTH RICHLAND HILLS, TEXAS Owner IM Address 38 IWitness • ' (SEAL) iI i n Contractor Lm Address 39 CONTRACTOR'S PERFORMANCE BOND iTHE STATE OF ICOUNTY OF KNOW ALL MEN BY THESE PRESENTS: That (Name of a Contractor) (Corporation, Partnership, Etc.) of hereinafter called (Contractors address) Principal and (Name of surety and address) State of , hereinafter called the Surety, are held and firmly bound unto the CITY OF NORTH RICHLAND HILLS, TEXAS, hereinafter called CITY, and unto all persons, firms, and corporations who may furnish materials for, or perform labor upon the building or improvements hereinafter referred to in the penal sum of (100 percent of Contract price ) Dollars ($ ) , in lawful money of the United States, to be paid in Tarrant County, Texas, for the payment of which sum well and truly be made, we bind ourselves, our heirs, executors, administrators, and successors, jointly and severally, firmly by these presents. THE CONDITION OF THIS OBLIGATION is such that whereas, the principal entered into certain contract with f dated the day of , A. D. , 19 a copy of which is hereto attached and made a part hereof or the extension oFthe water and /or sewerage systems of the City of North Richland Hills to serve the increment of the Addition to the City of and WHEREAS, said Contract was entered into pursuant to the requirements of the City of North Richland Hills and in accordance with the conditions of a written City- Developer Agreement between the City of North Richland Hills and the Developer; NOW, THEREFORE, if the Principal shall well, truly and faithfully perform its duties, all of the undertaking, covenants, terms thereof, and any extensions thereof which may be granted by the City, with or without notice to the Surety and if he shall satisfy all claims and demands incurred under such Contract, and shall fully indemnify and save harmless the City and /or Developer from all costs and damages which it may suffer by reason of failure to do so, and shall reimburse and repay the City and /or Developer all outlay and expense which the City and /or Developer may incur in making good any default, and shall promptly made payment to all persons, firms, subcontractors and corporations 40 furnishing materials for or performing labor in the prosecution of the work provided for in such Contract, and any authorized extension or modification thereof, then this obligation shall be void; otherwise to remain in full force and effect. ' PROVIDED FURTHER, that if any legal action be filed upon this bond, venue shall lie in Tarrant County, Texas, and the said Surety, for value received hereby stipulates and agrees that no change, extension of time, alteration or addition to the terms of the contract or to the work to be performed thereunder or the specifications accompanying the same shall in any wise affect its obligation on this bond, and it does hereby waive notice of any such change, extension of time, alteration or addition to the terms of the Contract or to the work or to the 'specifications. • PROVIDED FURTHER, that no final settlement between the City and /or ' Developer and the Principal shall abridge the right of any beneficiary hereunder, whose claim may be unsatisfied. IN WITNESS WHEREOF, this instrument is executed in five (5) counterparts, each one of which shall be deemed an original this day of A. D. , 19 PRINCIPAL ATTEST: By Address ( Principal) Secretary Witness as to Principal Address ATTEST: (Surety) Secretary Surety By Attorney In Fact Address NOTE: POWER OF ATTORNEY OF SURETY MUST BE ATTACHED. DATE OF BOND MUST NOT BE PRIOR TO DATE OF CONTRACT. 41 CONTRACTOR'S PAYMENT BOND (To be used in Texas as required by Chapter 93 of the Acts of the Regular Session of the 56th Legislature of Texas.) THE STATE OF § COUNTY OF § KNOW ALL MEN BY THESE PRESENTS: That (Name of Contractor) a (Corporation, Partnership, Etc.) of , hereinafter called Principal and (Contractor's Address) State of , hereinafter the Surety, are held and firmly bound unto the CITY OF NORTH RI LAND HILLS, TEXAS, hereinafter called CITY and unto all persons, firms, and corporations who may furnish materials for, or perform labor upon the building or improvements hereinafter referred to in the penal sum of (100 of Contract Price) Dollars ($ ) , in lawful money of the United States, to be paid in Tarrant County, Texas, for the payment of which sum well and truly to be made, we bind ourselves, our heirs, executors, administrators and successors, jointly and severally, firmly by these presents. THE CONDITION OF THIS OBLIGATION is such that Whereas, the Principal entered into a certain contract with (Developer or City) dated the day of . A.D. , 19 , a copy of which is hereto attached and made a part hereof or the extension the water and /or sewerage systems of the City of North Richland Hills to serve the increment of the Addition to the City o and, WHEREAS, said Contract was entered into pursuant to the requirements of the City of North Richland Hills and in accordance with the conditions of a written City - Developer Agreement between the City of North Richland Hills and the Developer; NOW THEREFORE, the condition of this obligation is such that, if the principal shall promptly make payment to all claimants, as defined in Article 5160 Revised Civil Statutes of Texas, 1925, as amended by House Bill 344, Acts of the 56th Legislature, Regular Session, 1959, effective April 27, 1959, supplying labor and material in the prosecution of the work provided for in said Contract, then this obligation shall be null and void, otherwise, it shall remain in full force and effect. 42 This Bond is made and entered into solely for the protection of all claimants supplying labor and material in the prosecution of the work provided for in said Contract, and all such claimants shall have a direct right of action under the bond as provided in Article 5160, Revised Civil Statutes, 1925, as amended by House Bill 344, Acts 56th Legislature, Regular Session, 1959. PROVIDED FURTHER, that if any legal action be filed upon this bond venue shall lie in TARRANT COUNTY, TEXAS, The said Surety, for value received hereby stipulates and agrees that no change, extension of time, alteration or addition to the terms of the contract or to the work to be performed thereunder of the specifications accompanying the same shall in any wise affect its obligation on this bond, and it does hereby waive notice of any such change, extension of time, alteration or addition to the terms of the contract or to the work or to the specifications. PROVIDED FURTHER, that no final settlement between the City and /or Developer and the Principal shall abridge the right of any beneficiary hereunder whose claim may be unsatisfied. IN WITNESS WHEREOF, this instrument is executed in five (5) counter parts, each one of which shall be deemed an original, this the day of , A. D. , 19 (Date of bond must be the same as the date of contract.) ATTEST: (Principal) Secretary (SEAL) Witness as to Principal Address ATTEST: (Surety) Secretary Principal :A Address Surety By Attorney -in -Fact 43 CONTRACTOR'S MAINTENANCE BOND STATE OF § COUNTY OF § KNOW ALL MEN BY THESE PRESENTS: That Name of Contractor as Principal, and (Name of Surety a corporation organized under the laws of as Sureties do hereby expressly acknowledge themselves to be held and bound to pay unto the CITY OF NORTH RICHLAND HILLS, TEXAS, a municipal corporation, the sum of (20 Percent of the otal Contract Price) Dollars ( or the payment of which sum well and truly to be made unto said CITY OF NORTH RICHLAND HILLS, TEXAS, and its successors, said principal and Sureties do hereby bind themselves, their assigns and successors jointly and severally. THE CONDITION OF THIS OBLIGATION is such that Whereas, the Principal entered into a certain contract with (City) dated the day of A. D. , 19 a copy of which is hereto attached and made a part hereof or the extensions -the water and /or sewerage systems of the CITY OF NORTH RICHLAND HILLS to serve the increment of the Addition to the City of and, WHEREAS, said Contract was entered into pursuant to the requirements of the City of North Richland Hills and in accordance with the conditions of a written City - Developer Agreement between the City of North Richland Hills and the Developer, and, WHEREAS, in said Contract, Contractor binds itself to use of materials and methods of construction such that improvements will be initially completed free of perceptible defects for and during the period of two (2) years after the date of acceptance of the completed improvements by the City; and WHEREAS, said Contractor binds itself to construct said improvements in such manner and obtain inspection approval in proper sequence as are required to obtain acceptance by the City and to repair or reconstruct the said improvements in whole or in part at any time within said two (2) year period to such extent as the City deems necessary to property correct all defects except those which have been caused by circumstances and conditions occurring after the time of construction over which the Contractor had no control and which are other than those arising from defect of construction by the Contractor; and, 44 WHEREAS, after the acceptance of the improvements by the City, said Contractor binds itself, upon receiving notice from the City of the need therefore to repair or reconstruct said improvements and if the Contractor fails to make the necessary corrections the City of North Richland Hills may do or have done all said corrective work and shall have recovery hereon for all expenses thereby incurred. NOW THEREFORE, if said Contractor shall keep and perform its said agreement to maintain, repair or reconstruct said improvements for a period of two (2) years, as provided, then these presents shall be null and void, and have no further effect. Otherwise, this Bond shall be and remain in full force and effect, said City shall have and recover from the said Contractor and its Surety damages in the premises as prescribed by said Contract. This obligation shall be a continuing one and successive recoveries may be had hereon for successive breaches until the full amount hereof is exhausted. IN WITNESS WHEREOF, the said (Name of orporation) HAS CAUSED THESE PRESENTS TO BE EXECUTED BY and the said (Name of Contractor's Authorized Signer) (Name of Surety) I I has caused these presents to be executed by its (Attorney -in -Fact ) and the said (Or Official) has hereunto set his hand this the day of 19 G11 , A.D., Surety Principal By Attorney -in -Fact By Surety LIM ATTEST: Secretary Cry 1 AMOUNT SAMPLE LETTER OF CREDIT THE BANK ,Texas NO. DATE TO: THE CITY OF NORTH RICHLAND HILLS, TEXAS Gentlemen: We hereby authorize you to draw on the Bank, Texas, drafts at sight for any sum or sums not exceeding a total of ( or account of Drafts must be accompanied by Contractor's Payment Estimate approved by the City Engineer(s) of the City of North Richland Hills, Texas, such estimate being the City's acknowledgement that the work for which payment is made has been accomplished in accordance with the City - Developer Agreement dated Drafts must be drawn and negotiated not later than Each draft must state that it is "Drawn under Letter of redit of the Bank, Texas, No. dated and the amount endorsed on this letter of credit. We hereby agree with the drawers, endorsers, and bona fide holders of all drafts drawn under and in compliance with the terms of this credit, that such drafts will be duly honored upon presentation to the drawee. Except so far as otherwise expressly stated, this credit is subject to the uniform customs and practice for commercial documentary credits fixed by the most recent Congress of the International Chamber of Commerce. ' Yours very truly, • II Authorized Signatures u 11 47 CITY OF NORTH RICHLAND HILLS, TEXAS STANDARD SPECIFICATIONS FOR CONSTRUCTION OF WATER AND SEWERAGE FACILITIES ITEM GENERAL REQUIREMENTS These standard construction specifications constitute Appendix "C" to the "Rules, Regulations, Policies and Procedures" as adopted by the City of North Richland Hills for their water and sewerage facilities. These standard specifications shall become a part of all contracts for extensions or improvements to the North Richland Hills water and /or sewerage systems, and although they may be supplemented by Special Provision for clarity they may not be superceded by requirements of lesser quality than provided in these standards. Similarly, all such work performed under these specifications shall also be in compliance with and subject to all other applicable portions of the published "Rules, Regulations, Policies and Procedures for the Water and Sewerage Facilities of the City of North Richland Hills." Where any reference is made in the standard specifications to discretionary actions or judgment such as �rOrdered," "Approval," "Allowed," "Acceptance," Permission, Satisfactory, Required, or any other such terms relative to the control of the project, the implied or stated judgment shall rest solely with the. Director of Utilities or the City Engineer(s) of the City of North Richland Hills or such other agent of the City of North Richland Hills as is specifically designated by the City Manager to be so identified in the Contract Documents. �, P3 ITEM TRENCHING AND BACKFILL 1. Description. This item consists of excavating all necessary trenches for the water distribution system and /or sewer system and backfilling same after the pipe has been properly laid, inspected and tested. This work shall include the furnishing of all labor, materials, tools, equipment and machinery necessary for clearing and removing from the site of the work, wherever located, all obstructions, trees, stumps, brush, vegetation, and debris, and all earth, rock and other materials to be excavated; the removal of existing structures except where specifically paid for as separate contract by items; the stripping or removal of top soil or sod to be piled separate from other excavating materials and later to be restored to its original place after backfilling is completed; the furnishing, placing and maintaining of all sheeting, shoring, and bracing necessary to protect the work and adjacent properties; all pumping, bailing and draining necessary to keep the excavation free from seepage water., water from sewers, drains, ditches, creeks, and other sources and provision for the uninterrupted flow of sewers and surface waters during progress of the construction; the removal, after the completion of the work, of all sheeting, shoring and bracing not necessary to support the sides of the excavation; the satisfactory disposal of excess and unsuitable materials not required or which cannot be used for backfilling, tamping, compacting and refilling; after settlement, or all excavated areas; the restoring of all streets, alleys, right -of -way and other lands of structures to private or public, damaged or occupied by the Contractor in the performance of the contract to as good condition as they were prior to the beginning of the work, and maintenance of any trench settlement that occurs within two years after accepting of the job. 2. Classification. Excavation in trenches for water lines will be unclassified and will not be paid for separately, but shall be included in the price bid per linear foot for the various sizes of water pipe unless specific provision for separate payment is called for in the "Special Provisions" and on the "Proposal" form. Trenching for sewer lines and structures will be "Unclassified" unless separately classified as "Wet," "Dry," "Rock," or 'racial a d a price for each is specifically called for in the "Special Provisions" and in the "Proposal." Where no separate classification is provided, thq price bid shall be on the basis of "Unclassified" trenching and the Contractor shall satisfy himself as tot the material and conditions to be encountered as well as the special ed ng bac i materials and-methods which are hereinafter required. Where excavation is classified, the following definitions shall apply: "Dry" excavation is defined as all dry earth excavation that may be properly removed with a trenching machine. No special bedding is required. 49 "Wet" excavation is defined as trench excavation which is encountered water in the trench and requiring sheathing, pumping or de- watering. Special bedding is required. "Rock" excavation is defined as all masses which cannot be removed without ' bl tisa ng or the use of a power hammer, all detached rocks or boulders measuring more due to their size and hard underlying strata or sedimentary rock in its natural bedding. Special bedding is required. ' "Special" excavation is defined as all loose rock and extremely hard shale or clay which, in the opinion of the Engineer, seriously impedes the normal trenching operations. "Special" excavation quantities will be computed as a ' percentage of the total excavation per linear foot of trench. Trench containing more than seventy -five (75) percent larger loose rock removed by a trenching machine will be paid for as one hundred (100) percent special excavation. Trench containing fifty (50) percent loose rock removed by trenching machine will be paid for as fifty (50) percent special excavation. All lesser percentages of large loose rock will be paid for in direct proportion. Special bedding is required. 3. Construction Methods. Trenches shall be excavated by a trenching machine or backhoe except in locations where hand trenching is required. Banks of trenching shall be vertical when in material that stands firm. In material that caves, banks shall be braced or cut on slope as determined most feasible on the job. Trenches will be excavated to the approved lines and grades, as shown on the plans. No changes in the locations of the lines are contemplated, but should any changes be necessary, they shall first be approved in writing and the revised work shall be compensated for at the unit price as bid unless a revised price is specifically agreed upon before performing the work. The width of the trench shall normally be six (611) inches minimum and eight (811) inches maximum on each side of the pipe bell. Trenches for water pipe shall be of such depth as to give thirty -six (3611) inches cover for four (411) inch and larger size pipe, and thirty (3011) inch cover for pipe of smaller size, unless specifically planned otherwise. The excavation shall not advance more than one hundred (1001) feet ahead of the completed backfilled line. Pipe shall have been laid in all trench that has been opened at the end of each day's work, except with written permission to do otherwise. Extra deep excavation and addition of material other than the existing native material encountered at the bottom of the trench excavation may be necessitated to accomplish a satisfactory job due to various conditions which include the following: (a) When the excavated material is rocky, hard clods, or otherwise will not granulate and flow to suitably bed and blind over the pipe with 50 The Contractor shall excavate all trenches, including work necessary in working around existing pipe lines or other obstructions. Tunnelling for railroad or highway crossings at greater depth than required above shall 11 51 homogeneous cover, outside material or suitable select material form other points on the job shall be hauled in and in no case shall extra pay be allowed for furnishing and installing such material. (b) Special granular embedment either with or without cement stabilizer or concrete encasement may be specified to be placed immediately under or about the pipe to provide necessary support and /or protection to the pipe because of deep trench or other abnormal laying conditions other than rocky or unstable subgrade. Such embedment, which is other than 1 (a) above, shall be used only when specifically ordered and shame paid for either as part of the pipe price or as a separate item if covered in the proposal, otherwise, the basis of compensation shall be determined ' by Supplemental Agreement when its installation is ordered. (c) Trench bottoms in rock shall be excavated minimum eight (811) inches below flow line and backfilled to grade with cushion sand, gravel or ' other suitable bedding material. No additional pay will be allowed for either the added excavation or the bedding material unless the excavation is classified "Rock" in which case the rock excavation will be paid to full depth of excavation, but no extra pay will be allowed for the bedding material. (d) Trench bottoms in unstable material, such as with free water in trench, clay, loose sand, high humus content, etc., shall be excavated additional depth not less than eight (811) inches below flow line and backfilled or admixed with crushed stone, oversized gravel or other treatment as specified to form a stable base upon which to place the pipe and embedment material if specified. When the condition of unstability results from neglect of Contractor to divert or pump out water or other act within control of Contractor, no extra compensation will be allowed either for extra excavation required or material added. When conditions of unstability exist or result from conditions not within control of the Contractor, extra compensation will be due the Contractor as set up in the Special Provisions or negotiated prior to performing the work unless it is specifically provided in the Special Provisions that such stabilization is included in the "Unclassified," "Wet," or "Special" excavation as the ' case may be. The Contractor shall remove any water which collects in the trenches while sewer pipes are being laid. In no case shall water be allowed to run over the invert or foundation or through the sewer without permission. Water encountered shall be disposed of by the Contractor in an approved manner. The bottoms of the trenches for all sewers shall be carefully and truly graded, formed and lined according to the approved grades and ' dimensions. They shall be approved before any sewer pipe is laid and bell holes shall be excavated by hand. The Contractor shall excavate all trenches, including work necessary in working around existing pipe lines or other obstructions. Tunnelling for railroad or highway crossings at greater depth than required above shall 11 51 4. 5. be done without any extra compensation therefor. The Contractor shall give notice to the owners of any such lines or obstructions, in order that they may have time to take the necessary precautions for protecting their property. The Contractor shall be responsible for protecting the Owner from any damage arising from his operations in such work. After testing and inspection of water pipe lines has been finished on any completed portion of the work, the trench may be backfilled. Backfilling shall be accomplished in compliance with the applicable portions of this specification. Test Borings. Where any information pertaining to the character of the materials expect to be encountered in the excavation work, as found by making borings, from observations, records or otherwise, is shown on the plans, it is with as much accuracy as possible, but it is expressly understood that the Owner does not assert or guarantee the accuracy of such information or that any materials to be encountered at any other points are even approximately the same, either in character or elevations, as those shown on the plans. Sheathing. The sides of all excavations shall be sufficiently sheeted, shorted and braced so as to prevent slides, cave -ins, settlement or movement of the banks and to maintain the excavation clear of obstructions that will in any way hinder or delay the progress of the work. In wet, saturated or flowing materials, when it is necessary to install tight sheeting or cofferdams, wood or steel sheet piling of an approved design and type shall be used. All sheet piling, shoring and bracing shall have sufficient strength and rigidity to withstand the pressure exerted and maintain the sides of the excavation properly in place and protect all persons or property from injury or damage. When excavations are made adjacent to existing building or other structures, or in paved streets, particular care shall be taken to adequately sheet, shore and brace the sides of the excavation to prevent undermining of, or settlement beneath the structures or pavement. Underpinning of adjacent structures or pavement shall be done by the Contractor at his own cost and expense and in an approved manner, or when required, the pavement shall be removed, the void satisfactorily refilled, compacted and the pavement replaced by the Contractor; the entire expense of such removal and subsequent replacement thereof shall be borne by the Contractor. Sheeting, shoring and bracing shall not be left in place unless otherwise provided for in the contract or specifically authorized. The removal of sheeting, shoring and bracing shall be done in such manner as not to endanger or damage either new or existing structures, private or public properties, and so as to avoid cave -ins, or sliding of the banks. All holes or voids left by the removal of the sheeting, shoring or bracing shall be immediately and completely filled and compacted with suitable materials, sheeting, shoring and bracing ordered left in place will be paid for at the unit price bid for this item. 52 6. Pumping, Bailing and Draining. The Contractor shall immediately remove all surface or seepage water from sewers, drains, ditches and other sources which may accumulate during the excavation and construction work, by providing the necessary underdrains or otherwise, and by doing the necessary pumping, bailing or draining. The Contractor shall have available at all times sufficient equipment in proper working order for doing the work herein required. All water removed from excavations shall be disposed of in an approved manner, so as to not create unsanitary conditions, nor to cause injury to persons or property or damage to the work in progress, not to interfere unduly with the use of streets, private driveways or entrances. Pumping, bailing and draining, underdrains, ditches, etc., shall be considered as incidental work and will not be paid for as separate items, but their cost shall be included in the contract prices bid in the proposal for the various units of excavation measure. 7. Support of Existing Pipes Across Trench. It shall be the responsibility of the Contractor to protect and support all water, gas and other conduits crossed by the excavation or work to be performed by him or to arrange for their temporary removal, and subsequent replacement. All expense incidental to this phase of the work shall be borne by the Contractor. Sanitary sewers crossing the trench shall be replaced by a piece of cast iron pipe long enough to span the trench with ample support on each side, as detailed on the plans. Separate contract pay items will be provided for in the Proposal and Contract for such as iron pipe "Trench ' Spans." 8. Disposal of Excavated Materials. Excavated materials, so far as needed and of a suitable character, shall be piled adjacent to the work to be used for backfilling as required. ' Excavated materials unsuitable for the backfilling, or in excess of that required for backfilling, shall be disposed of in a approved manner at locations designated on the plans or as approved. Desirable top soil, sod, etc., shall be carefully piled separately and replaced in its original position when required. Excavated materials shall be handled at all times in such manner as to cause a minimum of inconvenience to public travel and to permit safe and convenient access to private and public property adjacent to or along the line of work. In parkways and easements where it is necessary to deposit excavated materials on lawns during the work, burlap or canvas shall be placed on the lawn to ' prevent contract between excavated materials and the lawn. 9. Protection of Trees, Plants, Shrubbery, Etc. Where trees, plants, shrubbery, etc. , are adjacent to the line of the work and are not to be removed or replaced, the Contractor shall protect such trees, plants, shrubbery, etc., by substantial wooden 11 53 boxes and guards and shall not permit machinery or employees to scrape, tear the limbs from, or damage, or attach guy cables to them, and if such trees, plants, shrubbery, etc., would be damaged by machinery, etc., hand excavation may be required. The Contractor shall be responsible for all damages to such trees, plants, shrubbery, etc. 10. Protection of Buildings and Existing Improvements. The Contractor shall, at his own expense, shore up and otherwise protect any building or other structure which may be endangered during the work and he shall restore all buildings, culverts, fences, walls or other properties disturbed during the work to a condition similar or equal to that existing before his operation. The Contractor shall be responsible for any injuries to persons and property, for all damages to any pipe, conduit, sewer or other structures injuriously affected by the work, and the Owner shall not be liable therefor. j 11. Use of Explosives. ' Should the Contractor elect to use explosives in the prosecution of the blasting shall work, they shall be used with utmost precaution, and no fifty (501) feet of the completed work or exposed pipes, be done within conduits, etc., and he shall assume all liability for any injury or damage to persons or property resulting from such usage. All necessary be precautions shall be taken by the Contractor, and provisions shall and all blasting shall be so made for the protection of the new work, conducted as not to endanger persons or property. Only a sufficient be kept at the quantity of explosives for the immediate day's work shall site of the work by the Contractor. Caps, exploders and explosives be responsible for, and shall be stored separately. The Contractor shall damage caused by blasting or accidental shall make good, any explosions. 12. Tunnelling and Casing. Tunnelling under highways, streets, or railroads shall be accomplished has been approved by means of jacking and tunnelling equipment which to tunnelling operations. Tunnells shall be pressure prior starting grouted or backfilled as completely as practicable with selected materials, compacted by means of mechanical tampers or hydraulically placed in the backfilled material and the ' such manner that no voids remain between of the tunnel. Tunnelling and casing shall be further in accordance roof with the Item, "Railroad and Highway Crossing" or as further provided in the Special Provisions or shown on the plans. 13. Crossings to be Kept Open. At such street, railroad, and all other crossings as may be designated be hand tamped and filled in such by the Engineer, the trenches are to 54 a manner as to prevent any serious interruption of traffic upon the roadway or sidewalks, the cost thereof to be borne by the Contractor. 14. Protection of Unfinished Work. Before leaving work for the night, or during a storm, or at other times care must be taken to protect and securely close the unfinished end of the pipe. Any earth or other materials that may find entrance into the pipe through any such open or unplugged end of the pipe must be removed at the Contractor's expense. 15. Lights and Guards. The Contractor must provide and maintain adequate detours around the work under construction. The Contractor must provide sufficient lights, warning signs, and watchmen to provide adequately for the safety of the public. 16. Backfill, Materials and Workmanship. Excavation shall be backfilled only with approved materials; the type of backfill shall vary according to the type of pipe being installed. (A) Unless special granular embedment or encasement is required, the initial blinding -over of the pipe shall be as follows: (1) All polyvinyl chloride (PVC) pipe shall be embedded and blinded over with not less that four (411) inches below and four (4 11) inches above the barrel of pipe with select "hauled -in" cushion sand. Material from the trench shall not be used for cushion sand unless the Contractor furnished suitable reports from an independent laboratory showing that it has proper qualities. (2) All ductile iron or steel cylinder concrete pipe laid on rock or in clay material with P.I. of 20 or greater shall be embedded and blinded over with not less than four (411) inches below and four (411) inches above barrell of pipe with select "hauled -in" cushion sand. (3) Ductile iron or steel cylinder concrete pipe laid through materials of P.I. less than 20 which granulate or crumble to particles less than one (1 11) inch in size may be blinded and backfilled with the native material unless some other condition is found that would be detrimental to this installation. Embedding and blinding must be not less than four (4 11) inches below and four (4 11) above barrel of pipe. 55 1 �I Item Trenching and Back ill (4) All clay or other sewer pipe shall be blinded and backfilled with native material where the excavated material is good earth free from rock, broken concrete, broken pavement or other lumpy material larger than one (111) inch in the greatest dimension. The pipe shall be blinded by carefully placing by hand, and hard or mechanically tamping layers to a height twelve (1211) inches above the pipe. (B) After initial blinding -over has been accomplished as specified above, the remainder of the backfill shall be places and treated depending upon the location of the trench as follows: (1) Where trenches are located in open or undeveloped land, and in land which has not been planned or platted and submitted for review by the City Planning Commission of City Council, backfill shall be added to the trench to bring it up to natural ground level. The ditch shall then be allowed to settle with additional fill material added from time to time as natural settlement is accomplished and until all backfill has stabilized or the period of maintenance as prescribed for the project has expired. (2) Where trenches are located in land for which a preliminary plan has been or is being presented to the City Planning Commission or City Council, the backfill shall be jetted until all settlement has been ceased. Jets shall be used at not over six (61) foot spacing and on alternate sides of the trench. After jetting and prior to any street constructed in the area planned, the ditches shall be thoroughly "walked in" by tracked machinery and any settlement corrected by addition of material up to ground level. (3) Where trenches are located in areas dedicated as streets in a plat which is filed of record, these trenches shall be backfilled with select material from trench excavation and this backfill shall be hand or mechanically tamped in not more than six (611) inch layers or hydra- tamped to minimum ninety (90 %) density. If the material is dry, and if so instructed, the Contractor shall moisten the backfill material in order to obtain satisfactory compaction. (4) Where trenches are located in existing paved streets, all excavated material shall be removed from the site and the full trench above initial embedment filled with crushed stone or other approved granular material of a nature that readily compacts to near maximum density by jetting or other proposed construction procedure. After accomplishing complete compaction and allowing a reasonable time for the fill to cure (normally 7 to 14 days), the Contractor shall remove the top portion of backfill and restore the paving as further provided under the Specification Item "Street Paving Replacement." 61.1 Item Trenching and Back ill All surplus material from trench excavation shall be removed from the site and disposed of by the Contractor. All ditches and drainage structures shall be maintained free from excavated material. No additional compensation will be allowed for the backfill materials or methods prescribed herein. Any additional select material required for backfill to replace unsuitable material excavated in ' trenching shall be supplied by the Contractor at no additional cost to the Owner. • 17. Concrete Cushion and Backfill. Concrete cushion and backfill shall be composed of a free flowing granular material consisting of small stone, pea gravel, limestone chat, or pit run sand and gravel and shall always consist of at least 60 percent sand. The material shall all pass a 3/4 inch screen and be free from sticks, lumps, stones and organic matter. The material shall be mixed with Portland cement in the proportions of one (1) part cement to twelve (12) parts of the above described granular material, by volume measurement. Concrete cushion or concrete backfill shall be poured either wet or dry as directed. When concrete cushion or concrete backfill material is specified or ordered to be poured dry, the Contractor shall place this material on ' each side of the pipe or the full width of the trench, using shovels to cut the material back under the pipe and tamped to a height of twelve (1211) inches above the pipe to receive final backfill. Care must be exercised not to dislocate or disturb the grade or alignment of the pipe. If ordered to be poured wet, caution and care must be used not to float the pipe out of place. In the event pipes are floated out of proper position, they shall be removed and relaid at the expense of the ' Contractor. Tamping may be performed by either hand or mechanical tamping; however, when the initial backfill is not getting the proper compaction by hand tamping methods, the Contractor may be ordered to use mechanical tamping entirely. 1 When ordered or called for on the plans or in the "Special Provisions," • concrete cushion will be paid for separately. ' In lieu of hand or mechanically tamped initial backfill, the Contractor may, if he so elects, use concrete backfill material poured wet around and over the pipe to a depth of twelve (1211) inches. When select backfill is poured wet in lieu of tamping, no extra compensation or pay for select backfill material will be allowed. 57 Item Trenching and Backfill 18. Measurement and Payment. ' The basis for measurement and payment shall be as follows unless specifically provided otherwise in the "Special Provisions" and "Proposal." "Unclassified," "Dry," "Wet," and Special" trench excavation, as called for in the Proposal, for sewer pipe of sizes up to and including twelve (12" inch inside diameter will not be measured or paid for separately, but the cost therefor shall be included in the price bid per linear foot for the pipe. "Unclassified," "Dry," "Wet," and Special" trench excavation, as called for in the Proposal, for sewer pipe of sizes fifteen (1511) inches and larger inside diameter will not be measured or paid for separately, but the cost therefor shall be included in the price bid per linear foot for the pipe. Rock excavation, when called for in the Proposal, shall be measured and paid for at the price bid per cubic yard. The width of rock excavation removed from trenches shall be considered as the same nominal width of the trench not being cut in rock, but the maximum width allowed shall not exceed eight (811) inches on each side of the pipe bell. Tunnelling of the various diameters called for in the Proposal will be measured and paid for at the price bid per linear foot. No additional excavation or trenching will be allowed within the limits of tunnelling. Gravel cushion, embedment, or backfill will be measured and paid for separately at the price bid per cubic yard, only when ordered by Supplemental Agreement or called for on the p ans or in the Special Provision. Concrete cushion and concrete backfill will be measured and paid for at the price bid per cubic yard. Class "B" (five -sack) concrete encasement will be measured and paid for at the price bid per cubic yard, except when required at a part of the "Lump Sum" bid items. Sheathing, when ordered left in place, will be measured and paid for at the price bid per M . F. B . M . Trench spans of the various sizes called for in the Proposal will be measured and paid for at the price bid per linear foot of the various sizes. Casing for water and sewer pipe of the various sizes will be measured and paid for at the price bid per linear foot. 58 Item Trenching and Backfill Pumping will not be paid for directly. The cost thereof will be included in the unit price bid for wet excavation. Backfilling will not be paid for directly, but will be included in the unit price bid per linear foot for the various classifications of trenches, twenty -five (25 %) percent of the price bid for trenching of the various classifications for sewer line and /or fifteen (15 %) percent of the price bid for water mains complete in place may be withheld for incomplete or unacceptable backfill. All bid prices shall be full compensation for all labor, equipment, shoring and incidental work, including pumping and backfilling of the trench, necessary to complete the work. No separate measurement or payment will be made for replacing street base or surfacing unless prices are requested in the Proposal. Measurement and payment, when called for separately, will be in accordance with the Item, "Replacing Street Surfacing." *1j, J 1 1 7 1 1 1 2. J ,. ITEM WATER DISTRIBUTION SYSTEM Description. This item covers the material and labor required for the construction of the water distribution system, or extensions to the existing system as shown on the plans. Included are all mains, laterals, valves, valve boxes and appurtenances unless specifically covered by separate specification item. "Service Connections" "Railroad and Highway Crossings," and other special devices and situations will be covered by separate items. This specification item may be amended or adapted to the particular project by the "Special Provision." Excavations and Backfilling. All trenching and backfill shall be accomplished in conformity with the specification item, "Trenching and Backfill," and the costs of furnishing and placing cushion sand or other embedment material as required in Section 16 of the "Trenching and Backfill" item shall be included in the installed price of each size and type of pipe unless specifically provided otherwise in the "Special Provisions" and "Proposal." Selection of Pipe Type. All buried distribution system pipe used on this project shall be Ductile Iron, polyvinyl chloride (PVC) or Copper suitable for working pressure of at least 150 psi, unless otherwise provided in the "Special Provisions" or shown on the plans. The selection of pipe type for any given situation shall be governed as follows: (a) All service lines two (211) inches and smaller shall be Type "K►' copper. (b) All distribution mains smaller than nominal six (611) inch I.D. shall be ductile iron and if smaller than four (411) inch, joint lengths shall not exceed twelve (121) feet, nor shall wall thickness be less than 0.25 inch. (c) All distribution mains from nominal six (611) inch I.D. to twelve (1211) inch I.D. inclusive shall be either ductile iron or polyvinyl chloride (PVC) at Contractor's option, with the type selected to be stated in the Proposal. (d) Pipe larger than nominal twelve (1211) inch I.D. will be of type selected by the City based upon the individual circumstances of the particular job involved. Galvanized steel or other special types of pipe shall be used only when specifically approved and provided on the plans or in the "Special Provisions." Where more than one class of pipe is required, the location of the various classes will be shown on the plans. 60 1 1 1 7 1 1 1 1 J 1 1 1 4 . Materials Specifications. 4.1 Copper Pipe shall be cold drawn seamless tubing and it shall conform to A.S. T.M. Specification B88 -66a, Type K; Federal Specification WW -T -799, Type K; and AWWA C800 -66, Type K. All brass castings shall conform to A.S.T.M. Specification B62 -63 for Composition Bronze or Ounce Metal Castings. 4.2 Ductile Iron Pipe in sizes 3 inch through 54 inch nominal I.D. shall conform to the latest edition of AWWA C151 (ANSI A21.51) as further clarified or excepted herein. The ductile iron pipe shall be manufactured with a metal having a tensile strength of 60,000 psi, yield strength of 42,000 psi and a 10 percent elongation (60- 42 -10) . The thickness class of ductile iron pipe shall be adequate for the internal working pressures, external loads, and laying conditions as shown on the plans, and unless specifically provided for otherwise on the Plans or in the Proposal and /or Project Specifications shall be not less than that required for an internal working pressure of 200 psi and for installation with 5 feet of cover in laying condition "A," flat bottom trench with untamped backfill computed in accordance with the latest edition of AWWA C0150 (ANSI A21.50) "Thickness Design of Ductile Iron Pipe," nor shall the thickness be less than the minimum thickness tabulated below. NOMINAL DIAMETER MINIMUM WALL MINIMUM THICKNESS OF PIPE (INCH) THICKNESS (INCH) CLASS 3 0.25 51 4 0.26 51 6 0.25 50 8 0.27 50 10 0.29 50 12 0.31 50 14 0.33 50 16 0.34 50 18 0.35 50 20 0.36 50 24 0.38 50 Ductile iron pipe shall be furnished with nominal laying lengths of 18 feet, with permissible shorter random lengths as specified in AWWA C151. All ductile iron pipe shall have a "Standard Thickness" cement mortar lining and bituminous seal coat over the cement mortar lining in accordance with the latest edition of AWWA C104 (ANSI A21.4). Ductile iron pipe shall have a bituminous "Standard Outside Coating" of either coal tar or asphalt base in accordance with the latest edition of AWWA C106 (ANSI A21.6). 61 1 Ductile iron pipe and fittings shall be wrapped with polyethylene as hereinafter specified in the Proposal and /or Project Specifications. 4.3 Polyvinyl Chloride (PVC) Pressure Pipe in sizes 6 inch through 12 inch nominal I.D. shall conform to the latest edition of AWWA C900 pressure ' class 150 (DR 18), or pressure class 200 (DR 14), as further clarified or excepted herein. The PVC pipe shall have ring joints (flexible elastomeric seals) as recommended by the pipe manufacturer and shall bear the seal of approval (or "NSF" mark) of the National Sanitation Foundation Testing Laboratory for potable water pipe. Pipe and fittings must be furnished with non -toxic lubricant. i PVC pipe shall be furnished with standard laying lengths of 20 feet with permissible shorter random lengths as specified in AWWA C900. Bedding conditions shall be as specified in Paragraph 16 (A) (1) of the Trenching and Backfill specifications. The class of PVC 1120 pipe shall be adequate for internal working pressures, external loads, and bedding conditions as shown on the Plans, and unless specifically provided otherwise on the Plans or in the Proposal and /or Project Specifications, shall be not less than that required for an internal working pressure of 150 psi for installation with 3 feet of cover in an embedment which shall conform with Class "B" as detailed in ASCE Manual No. 37, or with the recommended practices given in ASTM -D -2321 and computed as specified in Appendix A, Section A3.1, of AWWA C900. The dimensions and pressure classes permitted for Dimension Ratio (DR) for PVC 1120 pipe with ductile iron pipe equivalent OD's are shown as follows: NOMINAL PRESSURE AVERAGE MINIMUM WALL SIZE CLASS OD THICKNESS (INCH) (PSI) DR (INCH) (INCH) 6 150 6 200 8 150 8 200 10 150 10 200 12 150 12 200 18 6.900 14 6.900 18 9.050 14 9.050 18 11.100 14 11.100 18 13.200 14 13.200 62 0.383 0.493 0.503 0.646 0.617 0.793 0.733 0.943 1 Taps for service connections shall be made at locations approved by the City and the tap shall be made using a bronze service clamp with double strap, and no more than one (1) service tap shall be made with each service clamp. ' 4.4 Fittings for Ductile Iron and PVC Water Distribution Pipe shall be ductile iron conforming to AWWA C110-71 (ANSI A21.10-1971) designed for a working pressure of not less than 150 psi nor less than the design pressure of the pipe in which they are installed. All cast iron fittings shall have a "Standard Thickness" cement mortar lining and bituminous seal coat over the cement mortar lining in ' accordance with AWWA C104 -71 (ANSI A21.4- 1971). Ductile iron fittings shall have a bituminous "Standard Outside Coating" of either coal tar or asphalt base in accordance with AWWA C106 -70 (ANSI 20.6- 1970). Unless provided for otherwise on the Plans or specified otherwise in the Proposal and /or Project Specifications, fittings for direct burial underground shall have joints which are either of the "Mechanical" or "Push On" type manufactured in accordance with the requirements of AWWA Clll -72 (ASNI A21.11- 1972); and where such buried fittings cannot feasible be restrained by concrete blocking, the Contractor shall provide other means to prevent joint separation. Fittings installed in exposed locations shall have joints flanged with ASA J 125 pound flanges unless noted otherwise, or if installed with pipe greater than 150 psi working pressure, flanges shall be rated equal to or greater than the design working pressure of the pipe. ' Gaskets shall be "Rainbow," "Durable Garlock," or approved equal. Gaskets eight (811) inch diameter shall be 3/32 inch thick unless specifically required otherwise by individual job requirements. Bolts shall be of "Cor -Ten" type "Usalloy" or other approved corrosion resisting material with American Standard Heavy Unfinished Hexagonal Heads and the nuts shall be American Standard Heavy Unfinished ' Hexagonal dimensions as specified in American Standard for Wrench Head Bolts and Nuts and Wrench Openings (ASA B12.2- 1941). All Bolts or bolt- studs, if used, and all nuts shall be threaded in accordance with American Standards or Screw Threads (ASA 131.1- 1935), Coarse - Thread Series Class 2 Fit. ' 4.5 Gate Valves which are to be installed at locations shown on the plans shall con orm to the requirements of AWWA C500 -71, "Gate Valves - 3 Inch Through 48 Inch - for Water and Other Liquids," except for the changes and additions specifically outlined below. Unless specifically ' provided for otherwise on the Plans or specified in the Proposal and /or Project Specifications, gate valves shall be of the double -disc, parallel seat internal wedging, non - rising stem, cast iron body and bronze mounted type designed for 200 psi working pressure, 400 psi test pressure, in sizes 2 inch through 12 inch and 150 psi working pressure, 300 psi test pressure, in sizes 14 inch through 48 inch. ' 63 All gate valves, unless otherwise shown on the plans or specified shall be installed in a vertical position. Valves shown in the plans or specified to be installed horizontally in horizontal pipelines, shall be equipped with gearing, grease case, track, roller and scraper mechanism that will function properly to local conditions equal to not less than two and one -half times the maximum design conditions required for the valve without failure of any nature. The operating nut shall be 2 inch square. To open the valve, the operation nut shall be turned to the left (counterclockwise) whether the operating nut is located directly on the valve stem or not. Unless specifically provided for otherwise on the Plans or specified in the Proposal and /or Project Specifications, the Contractor shall have the option of furnishing valves with any of the following joint types or combinations thereof: 1. Push -on joint 2. Mechanical joint 3. Flange joint to match connecting flanges 4. Concrete pipe joints to match the specific concrete pipe manufacturer's pattern for gasket joints on which it is to be installed. In addition to the above general requirements, gate valves shall be designed so that when closing or opening the valve, the discs move freely with the wedging mechanism in a collapsed position, thus eliminating abrasive action between the seat rings and the disc rings. To eliminate deflection of the valve discs, seating force resulting from the wedging mechanism shall be applied equally and at four separate contact points on the back side of each disc. The stem seal for all gate valves shall consist of an "O" ring type packing. Lubrication of the thrust collar shall be accomplished by means of a lubricant sealed between the two "O" rings. Seat rings shall be screwed into the valve body. The disc rings shall be pressed or rolled into the discs in an approved manner. Both seat rings and disc rings shall be of bronze and shall made an absolutely watertight joint. The threads on the bronze stem shall be Acme threads. The stem for valves, size 16 inch and smaller, shall be made from rolled bronze rod with the collar formed by a forging operation. Stems for valves 18 inch and larger may be made from rod or casting. 64 1 Unless specifically shown on the Plans or specified otherwise, all horizontal gate valves and vertical gate valves 18 inch and larger shall be equipped with gears. Cut -tooth steel gears having a factory lubricated enclosed gear case of the "Extended Type" shall be furnished. ' Unless specifically shown on the Plans or specified otherwise, gate valves 16 inch and larger shall be equipped with non - rising stem type by -pass valves. ' When specifically shown on the Plans or specified in the Proposal and /or Project Specifications, geared gate valves shall be equipped with a "position indicator" to show the position of the gate in relation to the ports. All external bolts and nuts shall be made from a corrosion - resistant material which is cathodic to the valve body. Extension stems of sufficient length to bring the operating nut up to within one (11) foot of the surface of the ground shall be provided when the operating nut on the gate valve or by -pass valve is three (31) feet or more beneath the surface of the ground. ' All iron castings, bonnet, body, discs, etc., shall be made from a superior quality of iron. Iron shall be tough and of even grain and shall possess a tensile strength of not less than 31,000 psi. All bronze castings, except the stem, shall have a tensile strength of not less than 30,000 psi. All stems shall be made from bronze having a tensile strength of not less than 60,000 psi. In addition to the detailed specifications above, all gate valves furnished for underground installation shall comply in all respects to the American Water Works Specifications, and shall be Mueller or approved equal. Valve keys shall be furnished only if specifically called for in the "Special Provisions" or "Proposal." Valves installed in exposed locations shall generally comply with the above requirements, except with flanged joints and other special details as shown on the plans or in the Special Provisions. 4.6 Cast Iron Valve Boxes and Covers shall be provided for the complete installation of the gate valve and by -pass valve. The boxes shall be ' installed as shown on the details included herein. Adjustment to final grade and pouring the concrete base block where required shall be • included in the price bid for valve and boxes. ' 4.7 Fire Hydrants shall be of proper length of 36 inch cover on mains unless specifically shown otherwise and shall have one (1) 41 pumper nozzle and two (2) 21 inch hose nozzles, national standard threads. Fire hydrants shall open counterclockwise and shall be manufactured in strict compliance with the latest specifications as approved by the American 65 Water Works Association. In addition, other design features, as listed below, shall be incorporated in the manufacture of the fire hydrants furnished under these specifications: (a) Fire hydrants shall be of the compression type which close with the pressure and shall be so designed as to provide for two drain ports that are an integral part of the main valve assembly and work automatically when the hydrant is operated. The main valve shall remain closed without loss of water in the event of a traffic accident. Hydrants shall have a 54 inch V.O. ' (b) Fire hydrants shall be provided with a safety flange assembly, located at a point approximately 2 inches above the ground line, and shall consist of a two piece stem and barrel and designed so as to assure no breakage or damage to either the stem or upper or lower barrel in the event of being accidentally struck by a vehicle. (c) Hydrants shall be of the dry top design with all working parts and operating threads sealed away from the water in either the open or closed position. "O" ring seal packing shall be used to prevent water and oil leakage between the barrel and dry top of the hydrant. The stem shall be bronze lined where it passes through the "O" ring seals. (d) Provision shall be made so that lubricating of all hydrant working parts will be permitted without the removal of the hydrant bonnet. It is desired that a lubrication system be provided whereby oil is ' stored in a reservoir, and all bearing surfaces and working parts are completely force lubricated by the normal operation of the fire hydrant. (e) Hydrants shall be designed so that all maintenance, including the installation of extension sections, may be performed above ground with no excavation necessary. ' (f) It shall be possible by means of a swivel flange to face the hydrant nozzles in any desired position. (g) All iron castings shall be made from a superior quality of iron with even grain and shall possess a tensile strength of not less than 32,000 psi. All bronze castings shall be made from bronze having a ' tensile strength of not less than 30,000 psi. 1 Fire hydrants furnished in accordance with these specifications shall be ' Mueller Improved or approved equal. Hydrant wrenches will not be required unless specifically included in the "Special Provisions" and "Proposal . " 4.8 Check Valves for Under round Piping shall be horizontal, iron body, bronze mounted, with tilting disc designed to eliminate slamming and pounding. Check valves shall be designed for the working pressure of 66 the pipe in which the valve is to be installed. Check valves underground shall be mechanically joint unless otherwise specifically called for on the plans or in the "Special Provisions." Check Valves for Installation Above Ground adjacent to water pumps or well pumps shall be Clayton (No-Slam) Check Valve No. 81, A. P.C. 0. Slanting Disc Check Valves equipped with Dashpot, or approved equal unless specifically provided otherwise on the plans or "Special Provisions. " Check valves installed in exposed locations shall have the small control piping protected with one (111) inch thick premolded Armstrong cork insulation tape wrapped. 4.9 Special Valve Pits: When check valves or special devices are required to be installed underground, they shall be installed in valve pits which, unless specifically provided otherwise on the plans or "Special Provisions" shall be constructed from 12 gallon corrugated galvanized metal pipe with cast iron covers equipped with hasp and lock. Diameter of valve pit shall be sufficient to clear the valve at least three (311) inches at closest point. All exposed metal shall be painted with "Nitros" at the rate of two (2) gallons per 100 square feet of surface and two (2 ) coats of best quality of aluminum paint. 4.10 Pipe and Fittings Smaller Than Two (2") Inches shall generally include J only service connections as covered by separate detailed specifications. No other types of small diameter pipes and fittings will be used in the system except with specific approval of the individual installation. ' 4.11 Polyethylene Wrapping or Water Lines: Polyethylene wrapping for ductile iron water mains shall consist of a thin tubular section of polyvinyl plastic, which has a high dielectric and tensile strength, for use in insulating the pipe from the electrolytic action encountered in highly active soils. ' Polyethylene wrapping shall consist of opaque polyvinyl sheet continuously thermal bonded to form a tubular section. The tubes may be supplied in bulk length on rolls; however, when supplied in specific pipe lengths, the tubes shall contain a minimum of three (31) feet over the actual pipe length to allow for overlap. The polyvinyl sheet of film for the tubular wrapping shall be of virgin polyethylene, as produced from DuPont Alathon Resin or U.S.I. Petrothene Resin or equal. The material shall be of an 8 mil uniform • film thickness and be free of imperfections such as pin holes, etc., ' after being thermally seamed into tubular form. Tape for use in conjunction with the installation of the polyethylene wrapping shall be Polyken No. 900 (polyethylene) , Scotchran No. 50 (polyvinyl) , or equal. Tape shall have a minimum thickness of 10 mils with a maximum thickness consistent with a pliable installation. 67 The polyethylene material shall have no volatile constituents, the loss of which may affect ductility. The material shall also have the following properties: (a) Mechanical: The polyethylene film shall have a tensile strength of 12 -2500 psi, with an elongation of up to 600 percent. (b) Dialetric: The film shall have a dialetric strength of 500 to 850 volts per mil thickness. (c) Chemical: The film shall be chemically inert, with a moisture absorption rate less than .01 percent in 24 hours. 5. Construction Methods shall be as set forth following herein and in event a situation occurs, not covered by this specification, the requirements set forth in AWWA Standards 0600 -77, "Installation of Gray and Ductile Cast Iron Water Mains" and C900- 75 -A6, "Installation of PVC Water Pipe" shall govern. 5.1 Receiving, Unloading and Distribution of Materials: All pipe, special castings, gate valves, fire hydrants, and other fittings may be delivered by the Contractor on sidings or team tracks at available points, as near ' the work as practicable. Should switching charges be lawfully demanded by the railroads, the Contractor will pay any such charges incurred. All pipe, special castings, gate valves, valve stems, etc., shall be carefully examined by the Contractor before unloading, and the attention of the Engineer and the Agent of the Railroad called to breaks, cracks, or other defects. A certificate of acknowledgment of defects, where ' such defects are caused by transportation, a receipt signed by the Agent of the Railroad with authorization to do so, shall be taken by the Contractor. All materials shall be unloaded at the Contractor's risk. All pipe, special castings, gate valves, and fire hydrants shall be lifted by tackle not skidded or dumped off cards and trucks. No dumping or other rough handling will be permitted. All pipe and other material shall be transported to site of trench and distributed in such manner as to be convenient for laying and placed in such a manner as to afford as little inconvenience to the public as possible. Cost of unloading, transporting, trucking and distribution of materials shall be included in the unit prices bid for material in place, it being intended that no separate price be paid for any unloading, transporting or distribution of material. 5.2 Pipe Laying: All pipe castings, valves and fire hydrants shall be Thoroughly cleaned of all dirt and trash before lowering into the trench. Pipe and appurtenances shall be lowered into the trench by derrick, crane, side boom or other means capable of completely lifting the pipe, not dumped or rolled in by ropes. Before lowering, and preferably 68 while suspended, pipe shall be rung with a light hammer to detect cracks or flaws and shall be carefully examined to see that the inside of the pipe is clean. After lowing in the trench and before "stabbing home," the interior and outside of the pipe joint shall again be cleaned ' of any dirt, mud, or other foreign matter. Each joint of pipe shall be swabbed while suspended in air. During the process of sterilization of the installed pipe, as specified 1 herein, should the newly installed lines produce excessive mud or other foreign matter or fail to produce the calculated discharge quantity, the Contractor shall pay the full cost of such cleaning removing sections of ' pipe for inspection or installing cleanouts as may be required to correct the situation. • After pipe and fittings have been placed in correct alignment and driven ' "home," a mound of earth, free from rocks, shall be placed back of each joint and in the middle of each full joint of pipe, these mounds shall be rammed and tamped in such a manner that the pipe will be held securely in place. The remainder of the backfill shall be accomplished in accordance with the Item, "Trenching for Water of Sewer Lines" contained herein. At the end of each day's work, or if the incompleted pipe line is left unattended, the Contractor shall securely block the open end of the pipe by means of a suitable size "Test Plug" screwed sufficiently tight to prevent the entrance of surface water into the pipe. The end 'of the pipe and the test plug shall be covered over with loose earth to a depth of approximately twelve (1211) inches to discourage molesting by unauthorized persons. Failure to properly block the pipe as specified will be sufficient cause to require the entire new construction to be rodded out and cleaned before additional pipe is laid or payment is authorized for construction work. 5.3 Connections to Existing System: Connections to the existing system may be made by cutting in a tee, wye or cross in the pipe, by tapping sleeve and valve, or by entering a plugged outlet on an existing fitting. No existing valves shall be manipulated without first contacting operating personnel of the Owner, and the Contractor shall notify the customer when service is to be temporarily off. Payment for cutting in fittings or for tapping sleeve and valve shall be at the unit price for each. Extra payment will be made for wet connections at existing plugged outlets at the unit price bid per each, such wet connections being defined as connections under pressure that cannot be substantially valved off. Non - pressure connections (which may flow some water by gravity or through leaky valves) will not be paid for separately unless a separate pay item is specifically called for in the "Special Provisions" and /or "Proposal." 69 5.4 Rubber Gasket Joints: Mechanical joints or push -on joints shall conform to American Standard Specification A21.11 (A. W . W . A . 0111 -64) , and shall be installed with the "Notes on Method of Installation" as contained in the above listed specification, except that all bolts shall be tightened with torque wrenches. The use of regular socket will not be permitted. 5.5 Setting Gate Valves: Gate valves shall be installed as per detail drawing Herein and set with stem truly vertical. Cast iron valve boxes shall be set to grade. CARE SHALL BE TAKEN TO CENTER THE VALVE STEM IN THE VALVE BOX. Base of valve box shall be supported on bricks or concrete blocks and shall not rest upon the pipe or valve. 5.6 Setting Fire Hydrants: Fire hydrants shall be installed as per detail drawing herein and set truly vertical upon a flat rock or slab of concrete, and backed up in the same manner, four to six inches in thickness and sixteen to eighteen inches square. Base of hydrant below and above "weep holes" shall be surrounded with approximately six cubic feet of clean crushed stone or coarse gravel which is free from cementing material. Ground line grade should be set in all cases at such a location and such a grade that spanner wrench will rotate freely on all hose connecting to the hydrant. Care shall be taken to clean thoroughly valves and hydrants of sticks, stones, dirt or trash of any kind prior to setting. 5.7 Hydrostatic Tests: The Contractor shall provide all necessary equipment and shall per orm all work required in connection with the tests. The Contractor shall provide two pressure gauges for this test. One gauge shall be located at the pump and the other gauge shall be located at a remote or low point on the system. All pipe shall be tested by hydrostatic pressure fifty (50 %) percent in excess of the normal working pressure. Each section tested shall be slowly filled with water, care being taken to expel all air from the pipes. If necessary, the pipes shall be tapped at high points to vent the air. The required pressure as measured at the point of lowest elevation, shall be applied for not less than one -half hour; and all pipe, fittings, valves, hydrants and joints shall be carefully examined for defects. The Contractor shall furnish two (2) copies of Tubular Record of these tests which shall show location of pipe, date, time of day and gauge readings. Leaking joints shall be replaced and made tight. No pipe installation will be accepted unless and until the leakage (evaluated on a pressure basis of 150 psi) is less than 100 U.S. gallons per 24 hours, per mile, per inch, nominal diameter for pipe twelve (121) feet in length, 75 U.S. gallons for 16 feet lengths, and correspondingly varied for other lengths of pipe. 70 Evaluation of the actual leakage to the leakage under the assumed basis pressure of 150 pounds psi shall be calculated by the application of the ratio determined from the square root of the respective pressures. Although it is provided herein before that none but sound pipe, specials, etc., are to be laid in the work, and that the Contractor shall properly assemble or make all joints, nevertheless, it is to be presumed that leaks or other defects may develop after the trench is backfilled. The Contractor shall repair such leaks or defects at his own expense until the system is accepted by the Owner. 5.8 Sterilization of Completed Line: Before being placed in service, the entire line shall be chlorinated. Chlorine may be applied by the following methods: liquid chlorine gas -water mixture; direct chlorine gas feed; calcium hypochlorite and water mixture; or dry calcium hypochlorite distributed along the line as it is laid. The chlorinating agent shall be applied at the beginning of the section adjacent to the feeder connection and shall be injected through a corporation cock, or other connection or it shall be uniformly distributed along the line insuring treatment of the entire line. Water shall be fed slowly into new lines with chlorine applied in amounts to produce a dosage of 40 to 50 ppm. Mains previously filled shall be a concentrated dosage at intervals along the line and retained for a period of eight hours or more. A residual of not less than 5 ppm shall be produced in all parts of the line. During the chlorination process, all valves and accessories shall be operated. After chlorination, the water shall be flushed from the line at its extremities until the replacement water tests are equal. Chemically and bacteriologically, to those of the permanent source of supply. Liquid Chlorine: Chlorine gas -water mixture shall be applied by means of a solution -feed chlorinating device. Chlorine gas shall be fed directly from a chlorine cylinder equipped with suitable device for regulating the rate of flow and the effective diffusion of gas within the pipe. Calcium hypochlorite shall be comparable to commercial products known as ITH. T. H. ," "Perchloren," and "Maxochlor." A solution consisting of 5 percent of powder to 95 percent of water mixture, first made into a paste and then thinned to a slurry, shall be injected or pumped into the newly laid line under the conditions specified hereinbefore. The following procedure is recommended for the disinfection of a new water system: Fill the elevated storage tank and thoroughly flush all water mains until the tank is nearly empty and until all evidence of any foreign substance which may have gained entrance to the system during the construction have been flushed out. 71 With the water level in the tank at or near the bottom of the bowl, add a chlorine solution containing 15 pounds of calcium hypochlorite (70 percent available chlorine) dissolved in 15 gallons of water, and continue pumping from the water supply until the tank is full. After this chlorinated water has been in the tank for two hours, flush the system to draw this chlorinated water into all parts of the distribution piping. Allow this heavily chlorinated water to remain in the distribution system for not less than ten (10) hours; then flush out the water remaining in the storage tank and refill by pumping from the source of water supply. 5.9 Approval of Materials: All materials shall be accompanied by the manufacturer's certiricate of compliance. The Owner may make any pertinent laboratory or plant tests he desires. 6. Measurement. Water pipe of the various types and sizes will be measured by the linear foot in place of actual pipe length, exclusive of fittings. Reinforcing steel will be measured by the pounds in place. Concrete of the several classes will be measured by the cubic yard in place, except for restraight blocking unless specifically included in the "Special Provisions" and /or "Proposal." Metal pipe casings will be measured by the linear foot in place. Boring for casing will be measured by the linear foot clear between pits. Valves, fire hydrants and valve boxes will be measured by units of one in place. Wet connections will be measured by units of one connection each. Fittings will be measured by the short ton of two thousand (2,000) pounds in place. 7. Basis of Payment. The price bid per linear foot for the various sizes of water pipe, complete in place, shall be full compensation for furnishing all material, transportation, equipment, labor and incidentals, including trenching and backfilling. The price bid for the various size gate valves shall include the box and all material, labor, equipment, excavation and backfill and incidentals necessary to set the valves with the service box in place ready for use. The price bid per ton for fittings shall be full compensation for furnishing all materials, tools, labor, equipment and incidentals necessary to complete the work, including all restraint blocking, ties and accessories. 72 The price bid for each fire hydrant shall be full compensation for the fire hydrants, concrete or stone base, all labor, materials, equipment, excavation and backfill necessary to set the hydrants in place and ready for use. Concrete trestles supporting pipe will be paid for at the price bid per cubic yard for Class "A" concrete and the price bid per pound for reinforcing steel. Special piers, as detailed, will be paid for per each complete in place. Where pipe is encased in concrete, the concrete will be paid for at the price bid per cubic yard for Class "B" concrete. Where water pipe is carried on concrete piers, concrete piers will be paid for at the price bid for Class "A" concrete and the price bid per pound of steel. Pipe casing, of the various sizes required, will be paid for at the unit price bid per linear foot in place. Wet connections, if price is requested in the proposal, shall be paid for at the unit price bid per each connection. Boring for casing (including annular grouting, unless specifically omitted by the "Special Provisions ") shall be paid for at the unit price bid per linear foot clear between pits. 73 1. 2. 3. ON Item SEWER PIPES AND STRUCTURES Description. This item covers the furnishing of materials and work necessary for the construction of all sewer mains, laterals, manholes, cleanouts, and other appurtenances and incidental work as shown on the plans. Sewer service connections are covered under a separate standard specification. Lift stations, treatment facilities and other special installations will require treatment facilities and other special installations will require separate detail specifications. Trenching. Trenching and backfilling shall be done in conformity with the Standard Specification Item, "Trenching and Backfill for Water or Sewer Lines" herein. Selection of Type of Pipe. 3.1 All four (411) inch sewer pipe shall be vitrified clay with factory, formed joints, or at Contractor's option, four (411) inch cast iron pipe with push -on rubber gasket joints may be used. 3.2 Unless specifically stated otherwise, all sewer pipe from 6 inches to 12 inches nominal size inclusive shall be vitrified clay, standard strength unless extra strength is specifically called for. Sewer pipe joints shall be factory formed if any free moisture exists in the trench; otherwise, if trench is dry, hot poured plastic joints will be allowed at Contractor's option. 3.3 Pipe up to 12 inch size for above ground spans on piers shall be minimum Class 150 cast iron conforming to the separate standard specification for C.I. 3.4 Pipe sizes larger than 12 inch shall be of type determined or approved by City on the basis of individual conditions prevailing. Material Specifications. 4.1 Vitrified Clay Sewer Pie and fittings for standard strength clay sewer pipe shall conform to A.S. T.M. Specification C261 -60T or the latest revision thereof. Extra strength clay sewer pipe and fittings shall conform to A.S. T.M. Specification C278 -60T for the latest revision thereof. 4.2 Factory Formed Joints for vitrified clay sewer pipe shall conform to the standard specifications for "Vitrified Clay Pipe Joints using materials having resilient properties," A.S.T..M. designation C425 -64. 74 4.3 Hot Poured Field Joints shall be made with hot poured plastic type bituminous joint compound. Joint material and primer shall be GK Compound and Atlas 31 Primer as manufactured by Atlas Mineral Products Company, or approved equal. Joint material shall be applied in strict compliance with the material manufacturer's recommendations except that all pipe shall be primed regardless of trench condition. No hot poured or cast in place joint shall be used when water is in the trench, nor shall water be allowed to rise around the pipe before the joint has set. 4.4 Approval of Materials: All materials to be incorporated in the completed work shall be su lect to approval as to conformity with these specifications. Materials received on the project shall be accompanied by an invoice completely identifying the quantity, quality and source of the material. The manufacturer's certificate of compliance to the specifications shall be shown on the invoice or attached hereto. Payment for material for which invoices have not been furnished will not be allowed. i— 5. Construction Methods. ' Construction methods shall be as specified following herein and in event a situation occurs that is not covered by these specifications, then the recommended practices for "Installing Clay Sewer Pipe," A . S . T . M . C12-64 shall govern. 5.1 Pie Bedding: The pipe shall be placed on the natural undisturbed earth oundation, which has been carefully shaped to fit the lower part of the pipe exteriors for at least 15 percent of its overall height. Bell holes or recesses for bells of the pipe shall be excavated for every joint, and shall be of sufficient size and depth to relieve the bell of all load, permitting the barrel of the pipe to be firmly bedded throughout its entire length, and to provide ample space for making the joint. ' 5.2 Joint Construction: Pipe joints, whether factory formed or job poured, shall be installed in a manner to exclude infiltration and final responsibility for water tight joints shall rest with the Contractor. When joints are poured, materials shall be applied in strict compliance with the manufacturer's recommendations except that all pipe shall be primed regardless of trench condition. No hot poured or cast in place joint shall be used when water is in the trench, nor shall water be allowed to ' rise around the pipe before the joint has set. In dry trench conditions when poured joints are allowed, tests of exfiltration, infiltration or other observations of joint tightness may be made and if it is revealed that the ' joints are not being made watertight, the Contractor will be required to use all factory formed joints without extra compensation above the price bid for poured joints. Permissible leakage by infiltration or exfiltration shall generally not exceed 500 gallons per inch of diameter per day per mile of sewer under 2 feet head of water. 5.3 Connections: All connections which are for future use shall be properly ' capped witE clay tile stoppers and sealed with bituminous joint compound or factory formed seals. 75 Deep cut service connections shall be constructed as shown on the plans and at locations as designated. Wyes for service connections shall be installed where shown on the plans or where directed. Service connections are further covered in detail ' under separate standard specification item. 5.4 Trench Spans -Pipe Crossing Trenches: Where existing sewer mains or laterals are crossed, they shall be replaced by a section of cast iron pipe of the proper size and constructed in accordance with details as shown on the plans, or as may be directed. ' In the event lines of other utilities, pipeline companies, etc., are crossed, the Contractor shall notify such parties in advance of • construction and the Contractor shall be responsible for avoiding any ' damage to such other lines. 6. Sewer Structures. 6.1 Concrete Work: Concrete work shall conform to the plan and to the applicable portions of separate items, "Concrete, Materials and Mixing" and "Reinforcing Steel" herein. ' 6.2 Concrete Cradles: Where called for on the plans or when ordered, concrete cradles of Class "B" concrete shall be constructed for the full ■ width of the trench bottom and to the sections as detailed on the plans. The pipe shall be set and held to true line and grade by wedges, blocks or other approved method. Pipe that is allowed to become dislodged or floated from the true line and grade shall be replaced to line and grade by the Contractor at his own cost and expense. 6.3 Manholes: Standard manholes shall be cast in place or precast concrete with east iron frames and covers as shown on the plans. Foundations of the manholes for the sewers shall be of Class "Al' concrete. The foundations shall be included in the unit price bid for manholes. Invert may be formed directly in the concrete of the manhole base; it may consist of half tile laid in the concrete base, or it may be constructed by laying full section sewer pipe straight through the manhole and cutting out the top half after the concrete base is constructed and sufficiently set. Invert channels shall be smooth, accurately shaped and in accordance with the plans. 76 6.6 Manhole Drops: This item shall include the wye, sewer pipe for stack, Class B" concrete and all necessary labor, accessories and materials required to join and drop the entering sewer into the standard manhole as shown on the plans. 7. Maintenance. All sewers and sewer structures shall be thoroughly cleaned and maintained in workable condition until final acceptance. W4 Form marks and offsets up to one (111) inch will be permitted on the outside surface of the manhole barrel section. Form marks and offsets up to one -half (ill) inch will be permitted inside of the manhole barrel section. All offsets on the inside surface of the manhole barrel section will be smoothed and plastered so there is no projection or irregularity ' capable of scratching a worker or catching and holding water or solid materials. Honeycomb will be plastered with a mortar consisting of three (3) parts of masonry sand to one (1) part Portland cement immediately upon removal of the forms. ' Brick work for manholes shall be in accordance with standard practice. All brick in manholes shall receive an outside mortar coating of one -half • (i") inch thickness. Perma -step steps shall be installed as shown on the plans. The steps shall be staggered horizontally at 12 inches C -C and vertically spaced at 15 inches C -C. Covers and Gratings: Frames, covers and gratings shall be of 6.4 Frames g g the type and duty shown on the plans. Iron castings shall conform to ' the Standard Specifications for Gray Iron Casting, A.S. T.M. Specification A48 -41, Class 20. All castings shall be true to pattern in form and dimensions, free from faults, sponginess, cracks, blowholes and other defects affecting their strength. ' Gratings and cover shall be standard design of the manufacturers of this material for the desired use. Bearing surfaces between cast frames, covers and grates shall be machined, fitted together and match - marked to prevent rocking. 6.5 Cleanouts: Cleanouts shall be constructed where shown on the plans. ' Materials shall conform to the applicable portions of the specifications herein. 6.6 Manhole Drops: This item shall include the wye, sewer pipe for stack, Class B" concrete and all necessary labor, accessories and materials required to join and drop the entering sewer into the standard manhole as shown on the plans. 7. Maintenance. All sewers and sewer structures shall be thoroughly cleaned and maintained in workable condition until final acceptance. W4 8. Connections and Operations of any Sewer Drain. The owner shall have the right to made connections with and operate any and all parts of the sewer or drain when such connection does not in any way interfere with the progress of the work. It is understood that by making ' such use of connections, the Owner does not accept the sewer or waive his right to object to any defects found therein until the same has been finally inspected and found to be in , accordance with the contract and specifications. 9. Measurements. Sewer pipe of the class stated in the Proposal or in the "Special Provisions" of sizes up to and including 12 inch inside diameter, will be measured by the linear foot complete in place separate from trench and backfill. Sewer pipe of the class stated in the proposal or in the "Special Provisions" of sizes 15 inch and larger inside diameter, will be measured by the linear foot complete in place including trench and backfill. Cast iron force main of the size called for in the Proposal shall be measured by the linear foot complete in place, including trench and backfill. Tunnelling will be measured by the linear foot. No additional excavation or trenching will be allowed within the limits of tunnelling. Casing will be measured separately by the linear foot in place. Standard or minimum depth manholes, up to five (51) feet deep, will be measured by the unit of one complete including all necessary material and labor. Additional depth for manholes, deeper than five (51) feet will be measured by the linear foot. Manhole drops will be measured by the unit of one. Measurement will not include the standard manhole or any additional depth. Cleanouts shall be measured by the unit of one complete in place as detailed on the plans. Wyes and tees will be measured by the unit of one including or excluding trench and backfill according to the size of the run. No separate pay will be made when wyes or tees are included in standard or deep cut sewer service connections. Concrete cradles, piers and concrete used for encasing pipe will be measured by the cubic yard of the various classes complete in place. Reinforcing steel as called for on the plans or as ordered will be measured separately by the pound. VV] 10. Basis of Payment. The unit price bid per linear foot for sewer pipe of sizes 12 inches and smaller, of the classifications required in the proposal, will be full compensation for furnishing all material, labor, equipment and incidental work required to complete the lines ready for use, except trenching, which will be ++ r Water ' aid for separately in conformity with Item Trenching and Backfill fo P P Y and Sewer Lines" herein. The unit price bid per linear foot for sewer pipe of size 15 inches and larger shall include the trench of the various depths called for in the Proposal. ' The unit price bid per linear foot for force main of the side called for shall be full compensation for furnishing and installation complete including trenching and backfill. ' The price bid for minimum depth manholes and the price bid per additional foot of depth for manholes, complete in place, shall be full compensation for furnishing all materials, labor, equipment and incidentals necessary to construct the manholes, including excavation and backfill and concrete foundations. ' For drop manholes, additional compensation will be allowed by payment at bid price for manhole drop complete in place. The price bid for this item shall not include the price of the standard manhole. Payment for wyes and tees used in the sewer lines (except when included in service connections) will be paid for at the unit price bid, which price shall ' be full compensation for all materials, equipment, labor and incidental work necessary to complete the work. The price bid for each cleanout shall be full compensation for all materials, i equipment, labor and incidental work, including excavation and backfill, necessary to complete the work. ' The price bid for each standard connection or deep -cut connection, as the case may be, shall be full compensation for furnishing all additional material, equipment, labor and incidental work necessary to construct such standard connections or deep -cut connections complete in place as detailed on the plans. Sewer pipe of the various sizes and classes, where placed in tunnels or tcasing, will be paid for separately. Corrugated metal pipe casings for sewer lines at roads or other crossings will be paid for in addition to the sewer pipe and tunnelling at the price bid per linear foot for corrugated metal pipe. This price shall be full compensation for furnishing all materials, equipment, labor and incidental work necessary to complete the work. For method of payment for tunnelling, see Item, "Railroad and Highway Crossings. " 79 Where sewer pipe is encased in concrete, the concrete shall be paid for at the unit price bid per cubic yard for Class "B" concrete. Where sewer pipe is carried on concrete piers, the concrete piers shall be paid for at the price bid for Class "A" concrete, and the sewer pipe shall be ' paid for at the unit price bid for the class and size of pipe used. Reinforcing steel will be paid for by the pound complete in place. The price bid per each for "Trench Span" of the various pipe sizes for "Pipe Crossing Trenches" shall be full compensation for furnishing all material, equipment, labor and incidental work necessary to construct trench span ' complete in place. • 1 L i E:ia 1I ITEM WATER SERVICE CONNECTIONS SINGLE AND DOUBLE Description. This item covers the tapping of the water main, the furnishing and installation of the corporation stop, service pipe, single meter yokes and U- branch and two meter yokes and marking the location as required for each type of service as shown on the plans. The meter and meter box are to be furnished and installed by the Owner unless provided otherwise in the Special 'Provisions. • Water service connections shall be made by tapping the mains at specific ' points as shown on the plans or as directed. Service connections shall be for "Single Service Connections" or "Double Service Connections" as shown on the water system layout and shall be constructed in accordance with the details attached hereto. Service taps shall be made after the mains have been laid and tested and while the main is under pressure. The Work shall be accomplished by ' experienced workmen and proper suitable tapping machine and tools. Service connections may be installed either prior to construction of curb and gutter or immediately after the curb and gutter is constructed and prior to replacement of street base, this sequence being subject to change with individual conditions. ' The copper service pipe shall be connected to the corporation stop at the main and shall be shaped with a reverse or "S" bend at each end to allow for expansion and contraction of the pipe. The copper service pipe shall have a cover of twenty -four (2411) inches below street subgrade except where the pipe rises toward its termination as it passes under the street curb, at which point the pipe shall clear the underside of the curb and gutter at least twelve (1211) inches. Excessive bending of the pipe which will injure or reduce the ' cross sectional area of the pipe will not be permitted. When curb and gutter is existing at the time the service in installed, the meter yoke shall be located at the depth and distance back of curb as called for on the details attached hereto and the letter "W" shall be chiselled on the face of the curb opposite the yoke. When services are installed prior to construction of the curb and gutter, the service pipe shall be cut to proper length and shaped such that after the curb and gutter is constructed, the yoke can be placed in ' the position called for on the details attached; however, at the time of initial installation, the yoke shall be left about six (611) inches deeper than final position to minimize the chance of its being damaged during construction of ' the curb and ,gutter. Such services installed prior to curb and gutter shall be referenced by attaching a tape of durable bright colored cloth or plastic to end of the service and backfilling the service in a manner which will expose the end of this tape above the ground after backfill. However, prior to backfilling over any service line, the Contractor shall contact the Owner's meter installment service man or other designated representative and obtain his signed statement that he has observed all the services in place and ' properly marked. Contractor shall furnish such signed statement with his request for final payment on any project. 81 2. Trenching and Backfill. All service line trenches shall be narrow cut normally four (411) inches wide unless specifically authorized otherwise. All excavated material shall be removed from the site and the trench shall be completely backfilled with sand fill or granular bank run gravel of low shrinkage gualities. BAckfill shall be thoroughly compacted and any after settlement shall be covered by the Maintenance Bond for correction by the Contractor. 3. Materials. Service pipe shall be one (111) inch for double service connections and three - quarter (3/411) inch for single service connections, and shall be Type 11K" copper pipe conforming to A . S . T . M . Class "A" Specifications and U.S. Government Specification WW -T -799. Curb stops shall be installed with each water service connection and shall be Mueller H- 15275. Corporation stops shall be Mueller H -15000 with straight coupling nut, no gasket required. Single service connections shall be made with a copper to outside 1.P. Adapter, Mueller H- 15425, and a copper meter yoke for a 5/8" x 3/4" meter with lock wing stop and both ends 3/4" inside 1.P. threads, Mueller H- 14033. Double service connections shall be made with a "U"- branch with one (1" ) inch and two three - fourth (3/411) inch outlets at 7j inch c /c, Mueller H- 15364, and with two meter yokes as described above, Mueller H- 14033. Copper to copper couplings if needed for splicing shall be Mueller H-15405, Copper to Iron End Connections shall be Mueller Part H -15450 for inside 1.P. thread and Mueller H -15425 for outside 1/P thread. All material and workmanship shall conform to the applicable portions of the Item, "Water Distribution System," as contained in these specifications. Where "Mueller" numbers are stated, equal products of other manufacturers may be used only if specifically approved. 4. Basis of Payment. The lump sum price bid for single or double water service connections as shown on the plans and called for in the proposal shall include excavation, backfill, tapping the main, the corporation stop, the "U"- branch, the meter yokes complete in place, and the location marking on the curb. Cooper service line of the size required will be paid for separately by the linear foot including trenching and backfill. 82 ITEM SEWER SERVICE CONNECTIONS 1. Description. ' This item covers the materials and construction methods required for the installation of sanitary sewer service connections as shown on the plans or based on application for connections as approved by the Owner. Standard sewer service connections shall consist of the installation of a four (411) inch wye or service saddle, together with the 1/8 bend in trenches down ' to seven (71) feet deep. Deep -cut sewer service connections shall consist of the installation of a four (411) inch wye or service saddle, a 1/8 bend, the service stack, a 1/4 bend ' and the encasement of the sewer main and wye or saddle with at least six (611) inches of Class "B" concrete. Separate payment will be made for the four (411) inch sewer service line to be extended from the standard or deep -cut connection at the main to a point normally three (31) feet back of the street curb line, or at the property line or other designated point where the "house sewer" commences. ' All service connections left for future tie -in by the property owner shall be properly closed water tight with a vitrified clay stopper and sealed with bituminous sewer joint compound or factory formed joint. Such services installed prior to curb and gutter shall be referenced by attaching a tape of durable bright colored cloth or plastic to the end of the service and backfilling the service in a manner which will expose the end of this tape above the ground after backfill. However, prior to backfilling over any service line, the Contractor shall contact the Owner's meter installment service man or other designated representative and obtain his signed statement that he has observed all the services in place and properly marked. Contractor shall furnish such signed statement with his request for final payment on any project. Service connections as completed for payment shall conform to the details shown on the plans and the drawing attached to this specification. Z. Materials and Construction Methods. ' Sewer service pipe shall conform to the Item, "Sewer Pipes and Structures." Trenching, backfill and replacing paving shall conform to the Item, • "Trenching and Backfill" and "Replacing Street Paving." All applicable items ' shall apply as amended by the "Special Provisions." 3. Measurement and payment for "Standard Sewer Service Connections" and "Deep -Cut Sewer Connections" to the various size mains will be made at the lump sum price bid for each of the two types, which includes marking and verification. 141 83 Payment for four (411) inch sewer service pipe will be made separately in addition to the service connections and such payment shall include trenching, furnishing and laying the pipe and backfill at the price bid per linear foot, in the proposal. ' No deduction will be made from the length of the sewer main for the length of the sewer wye as installed for the sewer service connection. i i 84 't ITEM STREET PAVING REPLACEMENT Description. This item covers the materials to be used and the method of construction required when pavement repairs or replacement are made necessary by cutting the existing pavement, surfacing or base material for the construction of water or sewer lines, except for open cutting State or Federal Highways. The type of replacement shall be equal to or better than t a existinpaving or surfacing at the time the trench is opened. 2. Backfill. All backfill shall be in conformity with Section 16 of the Item, "Trenching and Backfill," as contained in these specifications and the Special Provisions, as they may affect this item of construction. 3. Materials and Construction Methods. ' The materials and methods of construction paving replacement shall be such to provide a section of equal or better condition than existed prior to the cut. Any of the following types may be specifically designated on the plans or in the Special Provisions and in the absence of a specific designation, the six (611) inch thick asphaltic concrete surfacing or approved equal section shall be used. ' (a) Flexible Base Surfacing. After the full trench backfill of stone or other approved granular material-has cured an approved length of time (but not longer than 21 days without specific approval) , the six (611) inches shall be removed and replaced with crushed stone or other material meeting Owner's specifications for flexible base material. If backfill material met this requirement, it may be left in place. The surface layer shall be wetted, mixed and compacted by tamping or rolling in such ' manner to provide minimum 95 percent proctor density in the upper six (6 11) inch layer and leaving the surface smooth and level. In the absence of a governing specification for flexible base material, it shall meet the following requirements. Flexible base material shall be obtained from approved sources; shall consist of durable particles of gravel mixed with approved binding material; and shall be free from thin ' or elongated pieces, lumps of clay, soil, loam, or vegetable matter. The material may be bank -run or binder may be added an incorporated by • approved methods. Materials containing gravel or conglomerate over two (21') inches in their largest dimension shall not be used. The material, when properly slaked by standard laboratory method, shall meet the following requirements: Retained on 2 Inch Screen . Retained on 1/2 Inch Screen Retained on 1/4 Inch Screen Retained on 40 Mesh Sieve . 85 . . . . . . . . . 0% . . . . . . . . . 20 to 600 . . . . . . . . . 40 to 75% . . . . . . . . 60 to 85% The material passing the 1/4 inch screen shall be known as "Binder," and that portion of the binder material passing the 40 mesh sieve shall be known as "Soil Binder" and shall meet the following requirements: The liquid limit shall not exceed . . . . . . . . 35% The plasticity index shall not exceed . . . . . . 12% The plasticity index shall not be less than . . . 4% The linear shrinkage shall not exceed . . . . . . 7% (Note: The linear shrinkage shall be calculated from the volumetric shrinkage at the liquid limit.) ' (b) Flexible Base and Asphaltic Concrete Surfacin The upper layer of trench shall be prepared with flexible base as in Section (a) preceding, except the surface of the flexible base shall be finished uniformly two ' (211) inches below the finished street surface. The existing asphaltic surface shall be smooth cut with power saw or other approved means approximately six (611) inches beyond edge of trench. The surface of the replaced base, adjacent exposed base and the neat cut edges of the paving shall receive a tack coat of RC -2 asphalt applied ' at the rate of 0.15 gallon per square yard. After the tack coat has been applied, the remaining two (211) inches shall be filled with Hot Mix Asphalt Concrete Type "D" in conformity with Texas Highway Department Standard Specifications, 1962 edition, Item 340. Duramix as supplied by Uvalde Rock Asphalt may be furnished as an acceptable alternate. This type of resurfacing may be applied when specifically provided to ' paving replacement for streets that are surfaced with existing asphaltic material of any description, regardless of whether the existing surface is penetration type of asphaltic concrete. 1 (c) Six (611) Inch Thick Asphaltic Concrete Surfacing. The upper layer of back fill shall be removed to six (6") inches below finished street surface within the edges of the trench and the existing asphaltic surfacing cut ' back in a near line six (611) inch layer filled and compacted to a smooth, level surface with Type "D" H . M . A . C . Material. (d) Concrete or Brick Surfacing. The upper layer of backfill shall be removed to six inches below finished street grade. An additional width of the existing concrete surface shall be removed, if required, so that the existing sub -base is exposed over a width one (11) foot wider ' than the top of the trench. The entire void shall then be filled with Class 111311 five -sack concrete will be depressed to form bedding for the N brick. 4. Barricades and Warning Signs. Barricades, warning signs and flares or warning lights shall be provided at the site of the work to protect the public against the hazards of the construction involved. Barricades shall be standard type, first class, construction, designed specifically for that purpose, shall be in good ' condition and shall be approved by the Engineer. 86 5. Schedule of Resurfacing. On projects where replacing street surfacing is included in the proposal for separate payment, this work shall not be started until authorized in writing. Immediately prior to beginning trenching within surfaced streets the ' Contractor shall request authorization for the work and to establish the type, extent and schedule for the replacement. After authorization the work shall begin and proceed in such a manner than replacing the street surfacing is completed within thirty (30) days after the trench is opened. During the interim period, it shall be the responsibility of ' the Contractor to adequately protect the work and to provide ingress and egress to all private property. On projects where replacing street surfacing is not included in the proposal ' for separate payment, authorization to begin the work will not be required. Resurfacing operations shall be accomplished as soon as practicable after the initial backfill has been completed, settled and accepted. Failure on the part of the Contractor to complete the backfill and replace the base, surfacing or paving expeditiously and in accordance with the approved schedule will be ' grounds for the Owner to order the work to be performed by separate contract. The cost of having the work thus accomplished shall be deducted from amounts due or to become due the Contractor. The Contractor shall be advised in writing of the Owner's intent to accomplish the paving replacement under separate contract and failure on the part of the Contractor to begin to accomplish the paving replacement within ten (10) days from the date of the written notification shall be presumptive evidence that the Contractor agrees ' to the action stated above. 6. Measurement and Payment. Backfill will not be measured or paid for separately except where specifically provided in the Special Provisions and /or Proposal. ' Flexible base will be measured and paid for by the cubic yard compacted in place at the price bid only when a price is requested in the proposal; otherwise, it shall be included in the square yard price for paving replacement. Asphaltic concrete surfacing will be measured by the square yard two (2 11) inches thick and paid for at the price bid per square yard for asphaltic ' concrete surfacing complete in place when a price is requested in the Proposal. This item shall generally include the base and preparatory work unless specifically provided otherwise. ' Concrete surfacing will be measured by the cubic yard of Class "D" five -sack concrete and paid for at the price bid per cubic yard of concrete surfacing in place when a price is requested in the Proposal. it - 87 Quantities for measurement and payment under this item are limited to the actual width installed but not more than a width equal to the pipe diameter plus three (31) feet, times the trench length of base or surfacing removed. Quantities of base or surfacing involved outside the limits described above shall be replaced by the Contractor at his own expense, unless specifically approved otherwise prior to commencing this trench cut. Payment for replacing base or surfacing will not be paid for separately unless a price is requested in the Proposal. Where no price is requested, the cost of furnishing the necessary material and labor to accomplish the resurfacing shall be included in the various other construction items for which a price is requested. The price bid for replacing base or surfacing of the various types shall be full compensation for all labor, equipment, material, handling and incidental work necessary to complete the replacement in accordance with these specifications. :: ITEM RAILROAD A OS SINGS 1. Description. This item covers the materials and methods of construction for crossing railroad or highways and the requirements herein shall be supplemented by the applicable requirements of the Railway Company or the Highway Department. The Owner will obtain the permit or license agreement from the company or agency involved and will furnish a copy to the Contractor. It shall be the Contractor's responsibility to give notice of scheduling of construction to the railway company or Highway Department and otherwise comply with all other applicable requirements of said permit or license agreement. The crossings will generally be of one of the following types and as specifically identified on the plans and in the special provisions: (a) Pressure Lines (water mains, sewer force mains, etc.) (1) Boring and casing, carrier pipe of C.1. or other pressure pipe as specified. (2) Open cut and casing, cement stabilized backfill, carrier pipe of C.I. or other pressure pipe as specified. (This type crossing only in abnormal cases with special approval of railway company or Highway Department.) (b) Non - Pressure Lines (gravity flow sewers, etc.) (1) Boring and casing, carrier pipe of V.C. or other non - pressure pipe as specified, grout between casing and wall of hole. (2) Boring without casing, C.1. carrier pipe, grout annular space between pipe and wall of hole. (3) Open cut, casing and non - pressure type carrier pipe or omit casing and install C.1. carrier pipe, cement stabilized backfill. ( This type crossing only in abnormal cases with special approval of railway company or Highway Department.) ' 2. Boring and Casing. Where highway and /or railroad crossings are required to be accomplished ' boring and casing, the boring shall be performed with equipment designed specifically for that purpose, and shall be operated by mechanics skilled in this particular work. The length of each boring required shall be as shown on the plans or as ordered by the Engineer. The method of accomplishment may be by first boring through and swabbing the hole before pulling in the casing or it may be boring with the auger inside the smooth steel casing which is jacked through as the bore progresses. The choice between these 89 two methods will be left to the Contractor's option unless specifically shown otherwise on the plans or in the Special Provisions. The annular space between hole and all casing or pipe nominal 12 inch I.D. or larger shall be pressure grouted and should any casing or other action cause a void outside the casing, it shall be pressure filled with cement slurry or sand- cement grout. On borings for pipe smaller than 12 inches where the space from top of pipe to top of bore hold does not exceed one (111) inch, pressure grouting will not be required unless specifically called for in the Special Provisions, except that if caving occurs, the Contractor shall fill the entire void with grout without extra compensation. Casing shall be of the size shown on the plans and /or not less than the following gauge or thickness for each respective size and type of crossing. ti ,. a i All casing shall be new pipe. Corrugated casing shall be hot dip galvanized and joined in sections with special galvanized coupling bands. Where smooth casing pipe is joined by welding the joint shall be filed coated with a heavy application of "Nitroes" or other suitable protective material at least six (611) inches each side of weld. Boring Without Casing. Highway or railroad crossings with gravity flow or certain low pressure lines may be made by boring and installing a C.1. carrier pipe without casing; however, the use of this type crossing rather than boring and casing will not be considered an equal alternate unless specifically stated or shown in the Special Provisions or on the plans. When this method is used, the annular space between the carrier pipe and bored hole shall be pressure filled with cement slurry or sand - cement grout, except that on highway crossings smaller than 12 inches, grout may be omitted if the Contractor obtains permission from the Highway Department to omit the grout. 90 12" 14 CROSSING CASING RAILROAD CROSSING HIGHWAY Nominal miaD eter C.G.M. Pipe Welded Steel C.G.M. Pipe Welded Steel ti ,. a i All casing shall be new pipe. Corrugated casing shall be hot dip galvanized and joined in sections with special galvanized coupling bands. Where smooth casing pipe is joined by welding the joint shall be filed coated with a heavy application of "Nitroes" or other suitable protective material at least six (611) inches each side of weld. Boring Without Casing. Highway or railroad crossings with gravity flow or certain low pressure lines may be made by boring and installing a C.1. carrier pipe without casing; however, the use of this type crossing rather than boring and casing will not be considered an equal alternate unless specifically stated or shown in the Special Provisions or on the plans. When this method is used, the annular space between the carrier pipe and bored hole shall be pressure filled with cement slurry or sand - cement grout, except that on highway crossings smaller than 12 inches, grout may be omitted if the Contractor obtains permission from the Highway Department to omit the grout. 90 12" 14 Ga. 0.250 In. 16 Ga. Min. 0.104 In. 15" or 16" 14 Ga. 0.250 In. 16 Ga. Min. 0.119 In. 18" 12 Ga. 0.312 In. 16 Ga. Min. 0.134 In. 20" or 21" 12 Ga. 0.312 In. 16 Ga. Min. 0.164 In. 24" 12 Ga. 0.375 In. 16 Ga. Min. 0.179 In. 30" 12 Ga. 0.500 In. 14 Ga. Min. 0.250 In. 36" 10 Ga. 14 Ga. Min. 0.312 In. 42" 10 Ga. 12 Ga. Min. 0.312 In. 48" to 54" 8 Ga. 12 Ga. Min. 0.375 In. 60" to 72" 10 Ga. Min. 0.500 In. Over 72" Structural Plate 8 Ga. Min. ti ,. a i All casing shall be new pipe. Corrugated casing shall be hot dip galvanized and joined in sections with special galvanized coupling bands. Where smooth casing pipe is joined by welding the joint shall be filed coated with a heavy application of "Nitroes" or other suitable protective material at least six (611) inches each side of weld. Boring Without Casing. Highway or railroad crossings with gravity flow or certain low pressure lines may be made by boring and installing a C.1. carrier pipe without casing; however, the use of this type crossing rather than boring and casing will not be considered an equal alternate unless specifically stated or shown in the Special Provisions or on the plans. When this method is used, the annular space between the carrier pipe and bored hole shall be pressure filled with cement slurry or sand - cement grout, except that on highway crossings smaller than 12 inches, grout may be omitted if the Contractor obtains permission from the Highway Department to omit the grout. 90 4. Open Cutting. Where evidence is presented indicating the impracticability of boring, the Highway Department or railroad company may grant permission to open cut the crossing. Such evidence shall be first presented to the Owner's Engineer, who will in turn request the necessary permit from the Highway Department or railway company. Rejection of such open cut permit by Highway Department or railway company will not relieve the Contractor of the responsibility of completing the job in the manner as originally bid. If open cutting is permitted, the following conditions shall govern. All backfill material shall be stabilized with Portland Cement and mixed in a concrete mixer or transit mix equipment. If soil is used, it shall be sandy material, free from lumps or clods, and shall be stabilized with two (2) sacks of cement per cubic yard of soil. If sand and gravel are used, pit run material will be allowed, and it shall be stabilized with one (1) sack of cement per cubic yard. Backfill shall be mechanically tamped in a moist condition. When existing asphalt surfaced roadways are cut, the six (611) inches or more corresponding to the existing base shall be replaced with Class "B" concrete which extends at least twelve (12 11) inches beyond the backfilled trench width on both sides. The remaining two (211) inches on top shall be resurfaced with material similar to the existing surrounding surface. Where quality of the existing surface is questionable, the resurfacing material shall be Duraco Type "A," Flintmix Type "A" or approved equal. All asphalt resurfacing shall be accomplished by workmen skilled in this particular type of work. Where concrete surfaced roadways are cut, the entire top six (611) inches or more corresponding to the existing pavement shall be replaced with Class "B" concrete with reinforcing added to match all existing bars. 5. Construction Operations. Operations along highways shall be performed in such a manner that all excavated material will be kept off of the pavements at all times. Operating equipment shall be on the traveled way a minimum amount of time required to continuously prosecute the work. The use of explosives will not be permitted except with written permission from the Highway Department or railway company. One -half (1/2) of the traveled portion of the road must be left open to traffic at all times. Barricades, warning signs and a flag man shall be provided at the site of the work to protect the public against the hazards of the construction involved. 91 The Contractor's superintendent in charge of the work shall have available on his person at the time the work is being performed, a copy of the permit granted by the railroad company or the Texas State Highway Department. The Owner shall be responsible for obtaining the necessary permits for crossings from the railroad company and /or the Highway Department and the Contractor shall contact the Highway Department or railway company to notify them of his schedule and he shall perform the work to the satisfaction of their representatives. Resurfacing operations shall be accomplished as soon as practicable after the backfill has been completed and settled. Failure on the part of the Contractor to complete the backfill and replace the surfacing expeditiously will be grounds for the Owner to order the work to be performed by separate contract. The cost of having the work thus accomplished shall be deducted from amounts due or to become due th Contractor. The Owner shall advise the Contractor in writing of the Owner's intent to accomplish the paving replacement under separate contract and failure on the part of the Contractor to accomplish the paving replacement within ten (10) days from the date of the written notification shall be presumptive evidence that the Contractor agrees to the action stated above. 6. Method of Payment. Where boring and casing is required, payment will be made separately for the boring on the basis of the price bid per linear foot of boring, and for casing on the basis of the price bid per linear foot of casing of the various sizes for which a price is called for in he proposal. rl 92 Where stabilized backfill is required by open cutting existing surfacing or at ' such other places as may be designated by the Engineer, payment will be made at the price bid per cubic yard or stabilized backfill. Where concrete base or concrete paving is required to be replaced because of open cutting, payment will be made for the concrete separately at the price bid per cubic yard for Class "B" concrete. ' Where base material other than concrete is required to be replaced because of open cutting, payment will be made for the base material of the type or types called for in the proposal at the price bid per cubic yard compacted in place. Where existing asphalt surfacing is required to be replaced because of open cutting or at such other places as may be designated, payment will be made for the surfacing separately at the price bid per square yard, two (2 11) inches thick compacted in place. Where C.1. carrier pipe is installed in boring without casing, payment will be ' made per linear foot of cast iron pipe in place including boring, grouting and all related operations required to install the pipe. rl 92 The various types of pipe called for to be installed through the boring or casing will be paid for separately from the boring or casing at the price bid for the pipe. Pipe laid through the bore pit beyond the boring or casing will be paid for as pipe and trench as though the pit has not altered the normal trench cut. 93 RULES, REGULATIONS, POLICIES AND PROCEDURES FOR THE CITY OF NORTH RICHLAND HILLS WATER AND SEWERAGE SYSTEM ADOPTED: NOVEMBER 8th 1971 • • s • • 1• CONTENTS Pages SECTIONI DEFINITIONS .. ............................... 1 -6 SECTION II OPERATING POLICIES IN GENERAL ............... 7 -11a SECTION III SERVICE CHARGES ............................. 12 -14 SECTION IV CHARGES AND DEPOSITS FOR CONNECTIONS TO EXISTING MAINS OR LATERALS ............... 15 -18 SECTION V SYSTEM EXTENSIONS TO SERVE SINGLE CUSTO1t -:RS OR GROUPS OF INDEPENDENT SINGLE CUSTOMERS ... 19 -22 SECTION VI SYSTEM EXTENSIONS TO SERVE SUBDIVISION DEVELOPMENTS .................... 23 -28 SECTION VII STANDARD REQUIREMENTS & CRITERIA OF DESIGN FOR SYSTEM EXTENSIONS 29 -34. ++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++ A P P E N D I X (A) CHECK LIST FOR PROCESSING .......................... 35 -36 (B) CITY STANDARD FORMS (1) (2) City - Developer Agreement ...................... Construction Contract (City - Contractor) 37 -39 (3) ....... Performance Bond .............................. 40 -42 43 -44 (4) (5) Payment Bond ... ............................... Maintenance Bond 45 -47 (6) .............................. Irrevocable Commercial Letter of Credit ....... 48 -50 51 (C) CITY STANDARD CONSTRUCTION SPECIFICATIONS (1) (2) General Requirements .............. Trenching and Backfill 52 (3) ............ Water Distribution System ..................... 62 -74 (4) Sewer Pipes and Structures .................... 75 -84 (5) Water Service Connections ..................... 85 -89 (6) Sewer Service Connections ..................... 90 -92 W 7) Street Paving Replacement ..................... 93 -96 Railroad and Highway Crossings ................ 97 -101 1• 1• 1• I• 1• I• SECTION I DEFINITIONS Unless a different meaning clearly appears from the context, the following words and terms shall have the following meanings, as they are used in these Policies & Procedures respectively: "BOUNDARY (OR ALONG SITE) FACILITIES" are defined as water or sewerage facilities located in a street, alley, or ease- ment that is common to or between two or more developments of different ownership such that the one facility serves more than one development. "CITY" shall mean the City of North Richland Hills, Texas. "CITY COUNCIL" shall mean the City Council of the City of North Richland Hills. "CITY MANAGER" is defined as the duly employed City Manager of the City of North Richland Hills, or that person or persons authorized to represent him in the performance of duties applicable to the administration of these rules and regulations. "COMMERCIAL CUSTOMERS" (Users) are other than residences whose wastes are domestic type as opposed to industrial type as defined herein. "CONTRACTOR" id defined as the person (individual, partner- ship, corporation, etc.) who has legally agreed and obli- gated himself to construct water and /or sewerage facilities that are to be a part of the systems of the City. • "CONTRACT DOCUMENTS" shall mean the standard form of written and drawn documents employed by the City of North Richland Hills for the award of construction contracts and which consist of Notice to Contractors, Proposal, Contract Performance Bond, Payment Bond, Maintenance Bond, Description of the Project, General Conditions, Special • Provisions, Detailed Standard Specifications and Plans. "DEVELOPER" shall apply to the owner or legal sponsor of a subdivision development. "DISTRIBUTION MAIN" is defined as a water main located in • a street, alley, or easement to which Service Lines are directly connected or which serve to distribute water to another water main. "DISTRIBUTION SYSTEM" is defined as the entire system of pipes, conduits and appurtenances employed to distribute • • Page 1 water from the Supply Source to the Point of Service. "DOMESTIC SEWAGE" is defined as the normal waste effluent from dwelling units, residences, institutions and business buildings having Biochemical Oxygen Demand (B.O.D.) of not greater than 300 parts per million (p.p.m.) and other characteristics of both quality and quantity similar to other purely domestic sewage in the area. "ENGINEER" shall mean a person duly authorized under the provisions of the Texas Engineering Registration Act, as heretofore or hereafter amended, to practice the profession of engineering in the State of Texas. The term "CITY'S ENGINEER(S)" shall identify the Engineer regularly employed by the City with the tital and usual responsibilities of City Engineer and /or the independent Consulting Engineers retained by the City for Special engineering services. The term "Developer's Engineer(s)" shall identify the Engineer(s) employed or retained by the Developer to perform design, planning or other engineering functions for the Developer. "AUTHORIZED PERSONNEL" shall mean those persons employed on a permanent or retainage basis to represent the City of North Richland Hills and are authorized to perform the duties applicable under these regulations. "WATAUGA" is defined as the City of Watauga, its Governing Body, or Authorized Personnel as applicable to the supply of water and sewer from this system. These rules, regula- tions and policies shall apply to that portion of the system lying within the corporate city limits of Watauga. "FRONT FOOTAGE" is defined as the number of linear feet.in that portion of the boundary of a property (i.e., lot, tract, or parcel of land) abutting a street, alley or ease- ment containing a sanitary sewer line or water "Distribution Main" from which the property will be served with water or sewerage service. In such case of a water "Distribution Main" or "Lateral Sewer" located in an easement across or into a single piece of property, the "Front Footage" shall be the length of the "Distribution Main" or "Lateral Sewer" within the boundaries of the property, measured along the centerline of the "Distribution Main" or "Lateral Sewer ". Normally, "Distribution Mains" or "Lateral Sewers" are located in streets, alleys, or easements that are adjacent to, and separate individual lots or tracts of land, whether owned by one or separate owners. In these normal cases, the "Front Footage" for each separate lot or tract of land is the length of the "Distribution Main" or "Lateral Sewer" that is opposite to and approximately parallel with any one Page 2 I• boundary of the lot or tract . "Front Footage" for two "Distribution Mains" or "Lateral Sewers" shall not be • applied to any one lot or tract and only the "Distribution Main" or "Lateral Sewer" to which the first Point of Service is established by the City shall be used on the calculation of charges or refunds. "HOUSE SEWER" is defined as that portion of the,connecting • sewer from the,end.of the Service Sewer to the customer's fixtures. House Sewers shall be constructed by the customer or Builder in accordance with applicable ordinances of the City of North Richland Hills or the City of Watauga, de- pending on the location of the connection and in accordance with specifications for labor and materials,:as adopted by • the City of North Richland Hills. Page 3 • "INDUSTRIAL SEWAGE OR INDUSTRIAL WASTE" is defined as the waste effluent resulting from manufacturing or industrial processes having a Biochemical.Oxygen Demand (B.O.D.) greater than 300 parts per million (p.p.m.) and having • other Characteristics, as determined by concurrenae.of the', Cry's Engineer and Director of Utilities, which would indicate that the,effluent is not-'suitable for direct treatment 1ay,the City's treatment facilities, or would cause exceps.ve per connection loading of.the facilities. • "INSPECTOR!': ,; shall mean the representative of. the City ( or , of the Consulting Engineer if so directed by the City) who is specifically assigned to inspect any or all parts of the water and sewerage system, particularly new subdivision extensions, but-who is without authority to revise, alter, or revoke the requirements of the rules, regulations, • policies and procedures of the City or the approved Con - tract Documents.for.the job. "LATERAL SEWER" is defined as a.sewer main located in a street, alley, or easement, usually,, but not always, located on.the Developer's property to which Service Sewers • are directly connected., "OFF -SITE FACILITIES" (Approach Mains, Approach Sewers, etc.) are defined as those facilities located outside the boundaries of and not contiguous with the area of develop- ment except by point of contact, but that are required to • join remote developments to the prior existing system. "ON -SITE FACILITIES" are those situated within or surrounded by a single development such that..they do not provide direct access for service to other than the one development. Generally, all discussions of facilities will pertain to • on -site facilities unless they are specifically.denoted to be "Off- Site" or "Boundary" facilities. Page 3 • "POINT; OF SERVICE" (l� Water, - Service . sha�.l be considered. to --be ,available for a customer without extension cost to the customer, when a "Distribution,Main ", suitable for connecting the customer, exists along the street, alley-or easement ahukt : Tel .passing through the lot or designatedr.b%m�lda:-ng tracfi� such that the :'Water Service Conrmction" can4 be installed and,,-,,the "Distributionj�iKa er continued., toy the opposite side: or. corner of-: ghe .ot ar designated building., tract so as.�sto available four. commencing, the. separate contAn+ uation to:. the next adj -scent lot or building .' tract. Provision,for continuation to the next adjaiddilt; ,,properties as ,.set forth :above' sheall always be incl aed . unless .the ":Distribution Main" in- • x , volved must necessarily terminate`as a dead, :. • -, ,end not subject- .to extension because ofe. -toP4 graphy, street pattern; City .boundaries or other fixed barriers: (2) Sewer - Service shall be considered to be.avail- a •e for a customer without extension cost to tie customer, when ?a "Lateral Sewer" -or sewer main suitable for connecting'the•customer exists along the street, alley oreasement abutting or passing through the lot or designated building .tract such that;the "Service Sewer" can °:be in :=stalled >and _the. "Lateral Sewer" ° nor sewer' main continued to..the opposite side or corner of the, lot-or designated building tract so_that to be.., available for commencing the separate:,dontinui­> ation to the next adjacent lot or building tract. Provision for continuation,to :,thee next adjacent properties. ;as set forth !above shall:. always be included unless the "Lateral - Sewer "'or sewed"'` main involved must necessarily terminate as a- dead end, not.subject`to extension because of topography, street pattern, City boundaries or other fixed barriers. No connection shall be made to any sewer belong- ing to the City of North Richland Hills until the proper connecting charges have been-paid and the installation must then be properly inspected by the City's designated Inspector. Page 4 3 -74 • Page 5 *SERVICE SEWER" is defined as that portion of the connecting sewer located in the roadway, street, alley or easement be- tween the Sewer Main or Lateral Sewer and a point approxi- • mately six (61) feet from the right -of -way line or Customer's property line and shall consist of a service wye or tapping saddle and the required length of service pipe. Sewer Ser- vice Lines shall be installed by the City or by Contractors under Contracts approved by the City. Construction shall conform to current specifications for labor • and material as adopted by the City of North Richland Hills. - "SEWERAGE SYSTEM" is defined as the entire system of con- duits, life stations, treatment facilities and appurtenances required in the general process of removing se"age. • "SINGLE CUSTONIER" shall apply only to an individually owned single family dwelling unit to or a single commercial establishment which is not a part of a contiguous sponsored development or subdivision, as determined by the Director Of Utilities. • "SUBDIVISION" is defined as the division of any tract of parcel of land into two or more immediate sale or building development.f(SeehVernon'se of Texas Civil Statutes, Article 974a). "DIRECTOR OF UTILITIES" shall mean the Water & Sewer Director employed by the City of 1Vorth Richland Hills or other employee representative of the City of North Richland Hills who is designated by the City Manager as responsible for the operation and management of the City's waterworks and sanitary sewerage systems. • "DIRECTOR OF PUBLIC WORKS" shall mean the Public Works Director employed by the City of North Richland Hills or other employee representative of the City of North Richland Hills who is designated by the City Manager as responsible for operation of Public Works Department. "WATER SERVICE CONNECTION" is defined as the corporation cock tapped into the Distribution Hain, the Service line, the Curb Stop, service meter of size required with meter setter or connections and the meter box or any other re- quired items completely connected to supply water from the Distribution Main to the customer's curb stop. •v A standard Service Connection is defined as a customer ser- vice supplied through a single 3/4" service line and equipped with a single 3/4" x 5/8" service meter. Service connections of other sizes shall be considered as Special Service con- nections. All water service connections shall be installed by the City's forces • or under Contracts approved by tee City Of North Richland Hills. Page 5 "WATER SERVICE LINE" is defined as that portion of the Service Connection located in the roadway, street, alley or easement, which conveys water from a Distribution Main to the service meter or customer's curb stop, located approxi- mately six (61) feet from the customer's property line, but not longer than one hundred (100') feet from the Distribution Main. In no event shall the service line, as constructed by the City or under Contract for the City, extend on to private property without a written easement granted by the property owner to the City. All Water Service Lines shall be install- ed by the City's forces or under Contracts approved by the City of North Richland Hills. "WATER SUPPLY SOURCE" is defined as the orgin, either singular or plural, of the water supply for the entire Distribution System, or any part thereof. Page 6 • C. RESPONSIBILITY FOR TURNING WATER OFF OR ON AT CURB STOP. When the necessity arises to turn the water.on or off at the curb stop, the City shall do so on request at • no charge. The responsibility for damage to the curb Page 7 • SECTION II • OPERATING POLICIES IN GENERAL A. PROVISIONS FOR RATIONING DURING WATER SHORTAGE. 1. The City Manager shall have the authority upon recommendation of the City Engineer and Director • of Utilities to declare that a shortage of water exists at any time and may at his discretion .invoke either of the following water rationing plans. a. All'occupants of houses with odd numbered postal address restrict outside watering to odd numbered calendar days. All occupants of houses with even numbered postal addresses restrict outside watering to even numbered calendar days. Provided, however,<that there be no watering in the city between•;the hours • of 5:00 P.M. to 9:00 P.M. daily.:,; Such re- striction shall last for a time not to exceed the duration of the',shortage as determined by the City Manager. b. Prohibit all outside watering within the City for specified periods of time not to exceed • seven (7) consecutive days. 2. Notice of such restricted use of water shall be given by publication in the official newspaper of the City, or by posting notices at three places in the City, or by actual notice to any person. by • an officer of the City. B. DEPOSIT REQUIRED PRIOR TO TESTING METER ACCURACY. Should any consumer demand a meter be tested for accuracy, he shall make a deposit of five dollars • ($5.00) with the City Utility Department. If the test shows the meter is registering within the warranty of the meter manufacturer, the deposit shall become the property of the City Utility Department. If the test shows the meter is registering more water than is actually going through the meter, the deposit shall be • refunded the user. C. RESPONSIBILITY FOR TURNING WATER OFF OR ON AT CURB STOP. When the necessity arises to turn the water.on or off at the curb stop, the City shall do so on request at • no charge. The responsibility for damage to the curb Page 7 • stop rests with the `City except when persons other than authorized City ,employees damage the-curb stop by turning it on or off, the responsiblity then lies with the consumer in whose name the meter is registered. D. RESPONSIBILITY OF CONSUMER FOR.WATER'LOSS. A consumer shall be held responsible for loss of water due to breakage in pipe or plumbing on the discharge side of the meter, and if this water is not paid for according to the established rates, when it becomes due, the - service shall be discontinued by, the City Utility Department until charges are paid. Should any meter fail,to register correctly'th.e amount of water used by a customer since the previous reading, .the.right shall exist on the part of the City Utility Department to average the month and charge for water on the :basis of any three months average. E. RIGHT TO CONTINUE OR DISCONTINUR SERVICE TEMPORARILY. FOR REPAIRS. The right is reserved in the City - Utility Department to temporarily discontinue and to reconnect without notice water supply to all consumers for the purpose of making repairs, connections, extensions, and cleaning of mains,. machinery, reservoir or,any part of the City Utility Department property. F. RIGHT OF ENTRY. Every-person taking water from the City Utility Depart- ment shall at all reasonable times permit the Director of Utilities or-his agents to enter the premises and building for examination of pipes and fixtures and.the ma e,r in wh.ieh the water is used., and refusal by, any con sumer shall result in refusal of Mater supply -from the City Utility Department until such permission is granted.' G. BOND REQUIRED PRIOR TO INSTALLATION OF WATER & SEWER MAINS. Any person installing water or sewer main lines in any dedicated public street, alley, easement or thorough- r fare shall post a ten thousand dollar ($10,000.00) bond of standard form approved by City for each one hundred thousand dollars ($100,000.00) of construction work, with approved Sureties guaranteeing maintenance for a period of two (2) years from date of installation. Such bond shall be furnished to the City prior to water or sewer installation works. Page 8 1: H. INaURANCE REQUIRED. Any person installing water and sewer mains under the provisions of these policies shall not commence work until he has obtained all insurance required under this paragraph, nor shall he allow any of his sub - contractors to commence work until all similar insurance of the sub- contractor has been so obtained and approved. 1. Compensation Insurance. The Contractor shall take out an main ain uring the life of this contract Workmen's Compensation Insurance for all of his employees at the site of the project,and in case any work is sublet, the Contractor snail require the sub - contractors similarly to provide Workmen's Compensation Insurance for all of the latter's employees unless such employees are covered by the protection afforded by the Contractor. 2. Public Liability and Prope r Damage Insurance. The Contrac or sha 1 carry suer. Genera Lia 1 ity and Automobile Liability Insurance as shall protect him and any sub - contractor performing work covered by these policies, from claims for damages for personal injury, including accidental death, as well as from claims for property damages, which may arise from his operations in the City. Bodily Injury Liability • Insurance shall be in an amount not less than one hundred thousand ($100,000.00) dollars for injuries, to any one person, and Property Damage Insurance shall be in an amount of not leso than fifty thousand ($50,000.00) dollars for one accident. I. MODIFYING EXISTING WATER OR SEWER FACILITIES TO ACCOWIODATE NEW DEVELOPMENT, BUILDINGS OR OTHER IMPROVEMENTS. '• 1. No building of any kind shall be constructed over an existing sanitary sewer main or lateral, unless and until said sanitary sewer has been replaced with either cast iron water pipe or extra heavy cast iron soil pipe, of a type and class specified by the City, subject to the approval of the City Engineer. This pipe replacement requirement may be waived by the Engineer, if in his judgement, its fulfillment would not serve the best interests of the City. 2. Whenever it is necessary to relocate or replace an existing water or sewer facility to accommodate a use of a tract of lend or lot of record contemplated by the owner and /or developer thereof, such relo- cation or replacement shall, at the City's discretion, 4 be accomplished by City forces or under City super- Page 9 J. K. vision by an approved contractor. 3. The owner or developer shall, without charge to the City, furnish such easements or rights -of -way on the property as may be required to accomplish con- struction of the relocation or replacement. 4. The cost of such work shall be borne 100-percent by the owner or developer of the property, except that should the City elect to increase the size of the existing water or sewer facility to be replaced or relocated, the City shall pay the difference in the cost of pipe and size of such existing water or sewer facility and the cost of the pipe of the size the City desires to have installed in the relocation or replacement thereof, provided such increase in size is not necessary to provide capacity at least equivalent to that of the existing water or sewer facility to be replaced or relocated. OWNERSHIP AND MAINTENANCE. 1. Title to all sanitary sewers constructed under this policy, including service connections, shall be vested in the City. The City retains the right to invoke the Contractor's Maintenance Bond in the event of applicable defect. 2. The City shall maintain and operate only those sanitary sewers whose title is vested in the City. '3. Title to all Water Mains constructed under this policy, including title to "Service Connections" shall be vested in the City. 4. The City shall maintain and operate only those Water Mains whose title is vested in the City. 5. All necessary easements or rights -of -way for water mains and sanitary sewers shall be furnished with- out charge to the City. PROVISIONS IMPUTED TO CONSUMER. All of the provisions of these policies shall be deemed to be incorporated in every contract between the City Utility Department and its consumers, and each consumer shall be charged with knowledge of the provisions of these policies, and by applying for and accepting water from the City Utility Department, to have assented to the provisions hereof. Page 10 I• L. ESTIMATES OF WATER LOSS. The Director of Utilities shall maintain currently by • months an accounting of estimated total water produced by wells and by purchases as well as the total water sales, and shall estimate the distributions of the difference to fire usage, leakage, unaccounted losses and other cause of loss if known. M. MAINTENANCE OF DETOURS. • Installation of water and sewer mains shall be done so as to provide and maintain detours and keep open facilities for public travel. N. FINAL CLEANING UP OF RIGHT -OF -WAY. • Upon completion of the installation of water and sewer mains, the Contractor shall clean and remove from the right -of -way all falsework, all surplus and discarded materials, rubbish, and temporary structures, restore in an acceptable manner all property, both public and • private, which has been damaged because of the work, and shall leave the streets and right -of -way unobstructed and in a neat and finished condition throughout the en- tire length of the project. No rubbish or discarded materials shall be dumped in the City without the express written permission of the Director of Public Works. • 0. BARRICADES, WARNING AND DETOUR SIGNS. Any person installing water and sewer mains shall pro- vide erect and maintain all necessary barricades, suitable and sufficient red lights, danger signals and signs, provide a sufficient number of watchmen and take all necessary precautions for the protection of the work and the safety of the public. All lights shall be kept burning from sunset to sunrise. P. SALE OF WATER OUTSIDE CITY LIMITS. No water will be sold to any individual that is not with- in the legal city limits of North Richland Bills or the city of Watauga as now served, without prior approval of the city council of the city of North Richland Hills. • Q• WATER WELLS. PTo water well permits will be issued uritil approved by city council. • Page 11 :7 R. NEW CONNECTIONS TO SEWER SERVICE. No new sewer connections will be made unless the location is served.with city water, if available. Page lla g• SECTION III SERVICE CHARGES ' • A. THE FOLLOWING MONTHLY RATES SHALL BE CHARGED ALL CUSTOMERS FOR WATER: (7.48 Gallons = 1 Cubic Foot) 1. 3/4" Meter: (a) Zero cubic feet - $5.00. N From zero to 267 cubic feet the rate shall be $5.00. • All over 267 cubic feet the rate shall be $0.75 per 100 cubic feet. 2. 1" Meter: (a) Zero cubic feet - $7.00. (b) From zero to 345 cubic feet - $7.00. • (c) All over 345 cubic feet the rate shall be $0.75 per 100 cubic feet. 3. 1 :1/4" Meter: N bZero cubic feet - $9.50. From zero to 460 cubic feet the rate shall be $9.50. • (c) All -over 460 cubic feet the rate shall be $0.75 per 100 cubic feet. 4. 1 -1/2" Meter: (a) Zero cubic feet - $20.00. (b) From zero to 937 cubic feet - $20.00. • (c) All over 937 cubic feet the rate shall be $0.75 per 100 cubic feet. 5. 2" Meter: (a Zero cubic feet - $26.00. (b� From zero to 1300 cubic feet - $26.00. • (c) All over 1300 cubic feet the rate shall-be $0.75 per 100 cubic feet. 6. 3" Meter: N b)Zero cubic feet - $48.00. From zero to 2400 cubic feet - $48.00. • (c) All over 2400 cubic feet the rate shall be $0.75 per 100 cubic feet. 7. 4" Meter: (a) Zero cubic feet - $80.00. (b) From zero to 4000 cubic feet - $80.00. • (c) All over 4000 cubic feet the rate shall be $0.75, per 100 cubic feet. 8. 6" & 8" Meters: (a) Zero cubic feet - $200.00. b) From zero to 10,000 cubic feet - $200.00. • c) All over 10,000 cubic feet the rate shall be $0.75 per 100 cubic feet. R -12 -79 R- 9 -23 -74 R- 11 -28 -77 • Page 12 No 9. Billing policy where more than one user or building is tied on to the same meter: • It shall be the policy of North Richland Hills to bill each home, homes, duplex, triplex, offices, or any other building where more than one user is tied on the same meter at the rate of $5.00 per month minimum from zero to 267 cubic feet of water used, plus $0.75 per 100 cubic feet thereafter, regardless of the size of the meter. 10. Billing Aoartment Complexes: It shall be the policy of North Richland Hills to bill all apartment complexes of more than four apartments for 100% of the total occupied • apartments at the rate of $5.00 for each apartment from zero to 267 cubic feet of water used, plus $0.75 per 100 cubic feet thereafter, regardless of the size of the meter. It shall be the responsibility of the apartment owner to furnish a certified statement of the number of occupants prior to the 10th • -day of each month. Failure to present certified statement of occupancy shall result in billing of 100 of available apartments. The meter deposit shall be $8.00 per unit or 100% of estimated monthly minimum billing, whichever is larger. 11. Billing Trailer Parks: • It shall be the policy of North-Richland Hills to bill each trailer park at the .rate of $5.00 per trailer per month from zero to 267 cubic feet of water used, plus $0.75 per 100 cubic feet thereafter, regardless of the size of the meter. It shall be the responsibility of the mobile home park owner to furnish a certified statement of • number of trailers prior to the 10th day of each month. Failure to present the certified statement of number of trailers shall result in billing 100% of available trailer spaces. The meter deposit shall be at least 25% of estimated monthly minmum billing. 12. Any deviation from these rates for any user shall be made by a • separate contract approved by the City Council of the City of North Richland Hills. 13. Loading Dock or Tank Truck Customers: Customers taking water from a loading dock or fire hydrant will be • charged at the rate of $2.50 per 1000 gallons. • R- 9 -23 -74 R- 11 -28 -77 • Page 13 ■• B. THE FOLLOWING MONTHLY RATES SHALL BE CHARGED ALL CUSTOMERS FOR SEWER SERVICE: • 1. A monthly service charge shall be paid by all customers in the amount of $3.25 2. A monthly volume charge shall also be charged to all customers in the amount of $0.16 per 100 cubic feet of water used, or waste water produced, as more specifically set forth hereinafter. • The monthly volume charge for residential customers will be based the individual customer's average monthly water use during the previous winter quarter months of December, January and February; but in no event shall the volume used to compute this monthly charge exceed 2500 cubic feet. The volume used to compute • these charges are based on the amount of water used by the residential customer as measured by a meter. Where no previous winter quarter average is available from the records, the volume to be used for this monthly volume charge shall be estimated, such estimated volume not to exceed 2500 cubic feet per customer. • 3. The monthly charges to commercial and industrial customers will be based on total water use for each month as measured by appropriate meters with the provision that if a customer can show, to the satisfaction of the Director of Utilities, that a significant portion of the metered water usage does not enter the sanitary sewer system, the customer will be charged for only that volume • entering the sewers, as determined by a method approved by the Director of Utilities. 4. All Industrial Users: To be served on system only by specific Contract - approved by-. • Council for the particular Industrial Sewage or Waste involved. 5. In the event a coarnercial customer is introducing sewage into the sewage system that creates unusual conditions or problems such as excessive oils, greases, or chemicals, the Director of Utilities shall advise the customer or his options. • a. To correct Pt his own expense the conditions causing the excess. b. To pay a monthly rzte to be determined by the Director of Utilities to the City equeal to the expense of maintaining and /or treating the excessive waste. • 6. Billing Policy where more than one user or building is tied onto the same water meter. R- 9 -23 -74 R- 11 -28 -77 Page 14 1• It shall be the policy of North Richland Hills to bill each home, • homes, duplex, triplex, offices, or any other buildings shere more than one user is tied onto the same water meter at $3.25 per month for each customer unit for sewer, plus a monthly volume charge of $0.16 per 100 cubic feet of water used by the building. The monthly volume charge to be calculated as noted in paragraph B (2) above with the exception that there shall be no volume limit as is the case • for residential customers. 7. Billing Apartment Complexes: It shall be the policy of North Richland Hills to bill all apartment complexes of more than four apartments at the rate of $3.25 per month • for each apartment for sewer, plus a monthly volume charge of $0.16 per 100 cubic feet of water used by the apartment complex, plus $10.00 per month service charge for the complex. R -23 -74 R- 11 -28 -77 Page 14a It shall be the responsibility of the apartment owner to furnish a certified statement of the number of occupants prior to the 10th day • of each month. Failure to present certified statement of occupancy shall result in billing of the $3.25 lump sum charge to 100% of the available apartments. 8. Billing Trailer Parks: • It shall be the policy of North Richland Hills to bill each trailer park at the rate of $3.25 per month for each trailer for sewer, plus a monthly volume charge of $0.16 per 100 cubic feet of water used by the trailer park, plus a $10.00 per month service charge for the trailer park. • It shall be the responsibility of the mobile home park owner to furnish a certified statement of the number of trailers prior to the 10th day of each month. Failure to present the certified statement of number of trailers shall result in billing of the $3.25 lump sum charge to 100% of the available trailer spaces. • C. BILLING -- DELINQUENT PENALTY. All charges for services furnished or rendered by the City Utility Department shall be due and payable within 10 days from the date stamped on the bill at the office of the Utility Department in the City Hall. • R -23 -74 R- 11 -28 -77 Page 14a so g• I• 1• I• 0 • R -23 -74 R- 11 -28 -77 D. DISCONTINUANCE OF SERVICE, NOTICE, RECONNECTION FEE. Service to any customer will be discontinued after written notice within four (4) days from the date of any bill containing an arrears balance. Where service has been discontinued for failure to pay for service rendered, a charge of Six Dollars ($6.00) shall be made for each meter disconnected before such service shall be restored. E. TRANSFER FEE. A transfer fee of $6.00 shall be made for transfer of service from one location of another within the City. F. RETURN CHECK FEE. All return checks require a handling charge. This fee will be posted in the Utility Department. Page 14b • • SECTION IV CHARGES AND DEPOSITS FOR CONNECTIONS TO EXISTING MAINS AND LATERALS A. WATER SERVICE. 1. All applicants for water service will be required to make a meter deposit (payment security deposit) for each water service connection, such deposit to remain with the City throughout the term of the service contract. The amount of the deposit shall • be determined as follows: a. For residential customers who have not pre- viously been eligible for discontinuance under preceeding Section III D, the deposit shall be $25.00 plus non refundable service charge of $5.00. R- 9/23/74 R- 11/28/77 Page 15 b. For commercial customers, the deposit shall be calculated by the Director of Utilities to equal the multiple of $5.00 nearest the esti- mated average monthly billing for the particular • type of customer involved, but in no chase less than $25.00 plus $5.00 service charge. c. A building contractor shall place a meter deposit of $25.00 for each standard service • requested, plus $5.00 service charge, or may place a floating meter deposit of $100.00, which shall be applicable to all services in his name at a given time. The contractor shall be liable for all charges for water used until occupant makes deposit. A $5.00 service charge shall apply to each meter. • d. An applicant for service from a fire hydrant where water is placed in a tank truck or other container shall place a meter deposit of two hundred -fifty dollars ($250.00). The deposit will be refunded, or in event a balance • is due, applied against the final bill for services required upon termination of the contract. The City will not pay interest on meter deposit funds. 2. In locations where a complete service connection, including tap, service line, curb stop, meter, and Z box were paid for or installed by a developer or other prior single customer, no charges are made R- 9/23/74 R- 11/28/77 Page 15 other than the meter deposit (above) and the regular monthly service charges as set forth in Section III. 3. At locations where only a partial connection has been prev- iously paid for or installed, including only the tap, service line or curb stop and setter, the applicant for service shall pay (in addition to the meter deposit) the cost of completing the Service Connection with meter,and box, which costs are non refundable. For all services 3/4" through 6 ", an estimate of the cost plus $50.00 for the connection will be provided by the City and a deposit of the estimated amount will be required. before work is started on the installation of such connection. Should the final cost of the work exceed the amount of the deposit, a statement showing the amount of the excess will beimmediately furnished to the person having made the deposit, and this amount will be due before water service is actually brgun.`- Should the final cost be less than the amount of the estimate or deposit, a refund of over payment will be immedlitOly made to the person from.whom the deposit was received. 4. At locations where no part of the Service Connection.is exist - ing, or previously paid for, but a Distribution Mai in is , existing adjacent to the property to be served, the non- refund- able Connection Charge plus $50.00 "shall be quoted'by the City at the time of installation. This is in addition to the meter deposit. Should the Service Line required be longer than 50 feet, or should the customer desire larger service, an estimate of the cost for the connec- tion will be provided by theCity, and a deposit of the estimated amount will be required before work is started on the installa- tion of such connection. Should the final cost of 'the work exceed the amount of the deposit, a statement showing; 'the amount of the excess will be immediately furnished to the person having made the deposit, and this amount wtll!`b due before water service is actually begun. Should the final cost be less than the amount of the estimate or deposit, a refund of overpayment will be immediately made to the person from whom the deposit was received. Page 16 R- 9/23/74 R -4/11 /77 0 w Where applicable there shall be added the cost of street repairs as follows: a minimum street cut of $100.00 shall be deposited at the time water service is requested and before service is started on installation of such connection. Should the final cost of the work exceed the amount of the deposit, a statement showing the amount of the excess will be immedi- ately furnished to the person having made the deposit, and his amount will be due before water service is actually begun. Should the final cost be less than the amount of the deposit or estimate, a refund of overpayment will be immedi- ately made to the person from whom the deposit was received. 1• 19 1• Ll 2 5. Where a single customer desires to increase the size of his existing Service Connection, the City shall determine the charges for the larger Service Connection, and shall apply a credit against the charges for the larger connection equal to 75% of the cost of the existing meter. 6. Extension of the service piping from the City's meter and curb stop shall be accomplished by the customer at his expense; however, such installation shall be in accordance with the applicable ordinances of the City. B. SEWER SERVICE. 1. Applicants for Sewer Service who also have posted the $25.00 meter deposit for water service to the same location are not required to post a separate deposit for sewer service; however, if the applicant receives sewer service only, or for any other reason, has not posted the water meter deposit, then they will be required to make a sewer service payment security deposit, in the amount of Twenty -Five ($25.00) Dollars for each such sewer service connection, which will remain on deposit with the City throughout the term of the service contract. The deposit will be refunded, or in the event a balance is due, applied against the final bill for services rendered, upon termination of the contract. The City will not pay interest on such deposit funds. 2. Where the furnishing of sewer service by the City does not require the extension of Lateral Sewers or other Sewer Mains as defined under Point of Service to serve a new single customer, the charge for the right to connect to the system shall be Three Hundred, Five Dollars ($305.00). Except in a developed subdivision where a developer has paid for the installation of sewer facilities then the charge shallbe Fifty Dollars ($50.00). R- 9/23/74 R- 4/11/77 R- 11/28/77 Page 17 Where applicable there will be added the cost of street repairs as follows: A minimum street cut of $100.00 shall be deposited at the time water service is requested and before service is started on installation of such connection. Should the final cost of the work exceed the amount of the deposit, a statement showing the amount of the excess will be immediately furnished to the person having made the deposit, and this amount will be due before water service is actually begun. Should the final cost be less than the amount of the deposit or estimate, a refund of overpayment will be immediately made to the person from whom the deposit was received. 3. No permits for septic tanks will be issued unt l'the person so desiring shall first have a perculation test run and deliver such tests, along with the construction plans for the septic system, to the County Health Department. Only after review and approval in writing will a building permit be issued. R- 9/23/74 Pale 18 R- 4/11/77 • SECTION V SYSTEM EXTENSIONS TO SERVE SINGLE CUSTOMERS OR GROUPS OF INDEPENDENT SINGLE CUSTOMERS A. GENERAL. This section shall apply only to Single Customers or groups of Independent Single Customers requiring system extensions to satisfy the requirements of Point of Service for connection to the City's water or .sewerage systems,'and it shall specific- ally exclude extensions for Subdivisions which are covered in Section VI. • I• U I• • Extensions of the City's water or sewerage systems or both under the provisions of this section of the policies which is in addition to the extensions required for Point of Service, shall be at the discretion of the Director of Utilities, sybject to approval by the City Manager, but, in any event, the entire costs of the extensions in excess of Point of Service allow -' ances shall be paid by the customers whose service lines are directly connected to the extensions. b. METHOD OF PROCEDURE. Where one or more Single Customer desires that the City extend either its water or sewerage systems, or both, beyond the amounts specified to satisfy the requirements for Point of Service for their property, they shall make their request to the City in writing, stating the lot and block number, name of subdivision and street address of the property to be served and the type or types of service required. Each request shall be signed by all property owners initially requesting service and their signatures shall be identified with the property they desire to be served. Upon receipt of such request, the City Manager will instruct the City's Engineer(s) or Director of Utilities to prepare an estimate of the cost of the extensions beyond the Point of Service which shall include actual construction cost plus an allowance of ten percent (10 %) • R- 9/23/74 R- 4/11/77 Page 19 0 10 I* 1• 1• I! Ir of such costs to cover the administration, field sur- veys and contingencies. The estimated amount of the construction cost plus ten percent (10%) as determined above for extending the Distribution mains, Lateral Sewers or Sewer Mains beyond the amount of the extension required to satisfy Point of Service for ea.ch.customer, plus the applicable Connection Charge and meter deposit prescribed for each of the initial customers requiring the extension as set forth in Section IV shall be deposited with the City by the individuals in proportions determined as hereinafter pro- vided before construction is initiated by the City. Each Single Customer participating in system extensions under this section of the City's policies shall execute a written agreement with the City setting forth in detail the location, extent, total and Single Customer cost of the extensions, and the name and address of the person to whom any refunds are payable including developer pro -rata refunds 'if applicable. After all required deposits are posted with the City, the applicants may stipulate that competitive bids be received from private Contractors for performing the extension, otherwise it will be left to the option of the City Manager whether the work is-'let by competitive bids or performed by City Forces for the amount of the estimate. If the work is done by City Forces the Director of Utilities shall furnish the City Engineer with a plat showing the size and location of line for its addition to the City utility system map. If bids are received on the work, the amounts of the deposits will be adjusted by additional collection or refunds to the actual contract cost plus ten percent (10f) plus the applicable connection charges and meter deposits. Such adjustment shall be made upon completion of the work and prior to connecting the customer-for service. C. DETERMINATION OF PROPORTIONS OF EXTENSION CHARGES ASSIGNED TO RESPECTIVE INDIVIL'UALS PARTICIPATING IN EXTENSIONS BY GROUPS. Where groups of single customers join together to accomplish system extensions for service as provided above, the proportion of the cost assigned to each individual customer shall be determined as follows: I. The total construction cost of the sewer and /or 1 • Page 20 water main extension including all appurtenances, water service connections, and service sewers, shall first be determined, to which is added 10% for the group of participants total extension cost. 2. The participants total extension cost shall be proportioned to the individual single customers by a combined relationship of individuals "Front Footage as,well as distance from prior termi- nation of system as follows: a. The distance from prior termination of system to the proposed service connection location shall be determined for each participant and all these distances shall be.added together. b.' The Front Footage length of all participants shall be added together. c. The combined total of a & b above shall be divided into the individual totals of distance from prior system plus front footage,'thus providing the factor which when multiplied by the group of participants total extension costs gives the individual's share. .3, In addition to extension costs thus determined,. .the customers shall also pay the Connection Charges and meter deposits as provided in Section IV and,. provide their own sewer service line and/or water connection to the meter. D. SUBSEQUENT CONNECTIONS TO EXTENSI014S PAID FOR BY SINGLE CUSTOMERS OR GROUPS OF SINGLE CUSTOMERS. When intermediate customers between the last previous Point of Service and the extended Point of Service re- quest and pay the standard Connection Charges plus extension charges, the City will refund to the initial customers who paid for the extension, the pro -rata sum that the front footage of the intermediate customers property bears.to the total feet of the extension until the full amount advanced to the City for the extension Page 21 R 9- -23 -74 I• 1• li 1• 10 I* 1• 11 1• 10 E. beyond the amount required to satisfy Point of Service has been repaid. Refunds shall be made to the initial customers within thirty (30) days after the new customer Connection Charges have been paid to the City, and shall be divided among the initial participants in the same proportion as their participation in the extension. PRO RATA PAYMENT OF LINES FOR.INDIVIDUALS When an individual is responsible for a.-pro rata'shar?e:of lines on two (2) or more sides of his property the following formula shall apply. Payment shall be;madeIfor' the longest dimension of the property fronting on a street. Only one tap will be allowed. If at a.later time,an individual desires.another tap for the same piece of property then the pro rata share for the balance of the frontage must be paid. R- 11/28/77 0 Page 22 SECTION VI SYSTEM EXTENSIONS TO SERVE SUBDIVISION DEVELOPMENTS A. BASIC POLICY AND SCOPE OF CHARGES. 1. The Developer shall pay all costs attributable to the installation of Water and Sewerage Facilities as are needed to fulfill the basic criteria requirements of the City for service to his Sub- division. Such costs generally ,comprise the following: a. Easement or Rights -of -Way cost b. Direct Construction Cost c. Engineering Design and General Administration d. Review and Handling of Plans and Contract Documents e. Construction Layout, Cut Sheets and Field Adjustments f. Inspection and Acceptance by City g. Fees Assessed Others Not Within the Control of the City of North Richland Hills. In all cases, the Developer furnishes or pays for all easements or rights -of -way, and all fees or assessments by other parties not within the control of the City of North Richland Hills. Also, in all cases, the Developer pays to the City of North Richland H a fee in the amount of 4% of the actual construction cost for which the City reviews the plans and Contract Documents and erforms the inspection and acceptance of the work Items d & f)• The Developer shall employ his own Engineer to furnish the Engineering Design, General Administration, Con- struction Layout, Cut Sheets and Field Adjustments (Items c & e) at no cost to the City. 2. All Subdivision extensions shall be covered by a City- Developer Agreement, which clearly defines the scope and details of the proposed extension and particularly contains the Developer's agreement to abide by all regulations of the City and to deliver to the City clear and unicumbered title to all the proposed improvements at the time of Acceptance by the City, which must be prior to commencing service. 3. The City shall participate in the cost of Sub- division extensions only where and to the extent Page 23 Ii that oversized facilities in addition to the sub- division needs are required for the proper overall benefit of the system and when City funds for such oversizing are available. Such oversizing needs shall be determined by the City's Engineer(s) with concurrence of the City Manager, and shall be authorized only by approval of the City Council. Page 24 • 4. When the City participates in the cost of construc- ting the project by oversizing facilities, or other participation, the Contract for construction shall be executed between the City and the Contractor after compliance with all Charter and Statutory requirements for advertising and receiving competi- tive bids. Vhen the City does not participate in the construction costs of the project, the Contract for construction may be negotiated between the Developer and the Contractor of his choice, or by mutual agreement of the Developer and the City Manager, bids may be received. In either event, the Contract shall be executed between the City and tree Contractor. The Developer will then place in escrow, with the City, funds totaling the amount of the contract plus the appropriate percentage fees as outlined in item #1 above. 5. Refunds to the Developer snail be made only on applicable situations involving; conriect,ons to off - site facilities (dpproacil T-ains) or boundary facili- ties, and then only wrien provisions for such refunds are specifically provided for in. the City - Developer Contract executed prior to construction of the extensions. B. METHODS OF PROCEDURE. 1. Developer initiates preliminary action by obtaining; copy of applicable portions of policies and pro - cedures from the City. Developer then nas his Engineer prepare and submit to the Director of Utilities, who forwards to the City's Engineer(s) after a review by the Fire Ciiief and Director of Public Viorks, a preliminary layout of proposed water and sewer extensions superimposed on an approved preliminary plat signed by the City, along with his tentative estimate of costs for the overall development and for the first section if incremental development is proposed. City's Engineer(s) review the proposed preliminary Page 24 • plat and returns to the City with comments and recommendations concerning acceptability and over - sizing needed. City advises Developer of tentative approval or necessary changes with copy to City's Engineer(s). 2. Action toward the filing and improving of all or a portion of development covered by preliminary action as per item #1 above is initiated by the Developer as follows: The City furnishes the Developer with three (3) blank forms of the Standard City - Developer Agreement. Developer's Engineer shall prepare and submit to the City complete construction plans, specifications and other necessary Contract Documents along with esti- mates of Developer's cost and City participation, two blue line prints of the final plat showing approval signature for the City of North Richland Hills, or City of Watauga if in Watauga. Such documents shall be submitted to City's Engineer(s) for review and after they have been fully completed, and are acceptable and approved by the City Council, the City shall return them to Developer with Notice of Approval in exchange for the executed City - Developer Agreement and City's fee of 4%. If contract is to be let for bid, the Developer's Engineer prepares and furnishes to the City a Notice to Bidders to be properly published with bids to be addressed to the City Manager and received at the North Richland Hills City Hall. 3• After selection of the contractor has been accomp- lished by bids or negotiation as per item #2 above, the actual construction shall be accomplished as follows: a. If bids are received, City Engineer(s) receives and recommends award to City Manager. If not, Developer advises who is Contractor and furnishes bid amounts. City Manager or Director of Utilities notifies Developer to have Documents executed and return to City. After receipt of executed documents, City Manager issues work order. b. After the work order is issued, the Developer's Engineer provides the construction layout, staking and prepares cut sheets for all sewers. A copy of all cut sheets shall be furnished to the City's Engineer(s), the Director, or Inspector and the Contractor. Also, a carbon Page 25 L 1• li copy of the actual construction staking field notes shall be furnished to the City's Engineer's). The Director or Inspector shall inspect the work and review the partial and final pay esti- mates to the contractor as prepared by the Developer's Engineer. After pay estimates have been agreed upon by the Inspector and the Con- tractor, they shall be transmitted to the City's Engineer(s) for checking. The City's Engineer(s) shall check all pay esti- • mates and after they are in order, shall trans- mit them to the City Manager with recommendation for payment or corrections as noted. 1qj 19 E 10 140 • IR Jan 28174 After final completion of th faction of the Inspector and the City Manager shall issue acceptance of the facilities operation by the City to the C. EVALUATED PRICES. worX to the satis- City Engineer's), a statement of for ownership and Developer. When the City participates in the cost of facilities for oversizing or for any other reason, separate bid items shall be set up to reflect the cost to the City when such separate items can be feasibly determined. In the.absence of such specific bid prices, the price shall be deter- mined by using a current bid price.or city engineer's estimated price. D. DEVELOPER PAYMENTS. When any extension or improvement to the water and /or sewerage - system is to be installed under Contract be- tween the City and a contractor, the cost of which is to be paid wholly or partially by a Developer, the contractor shall not be authorized to commence work until after the City has received the full amount due from the Developer, either in cash to be placed in escrow or by irrevocable commercial letter of credit from a bank or other lending agency acceptable to the City, the conditions of such letter to be included in the City - Developer Agreement and of form approved by the City Attorney. Page 26 E. CHARGES AND /OR REFUNDS ON OFFSITE AND BOUNDARY FACILITIES. 1. When any customer, whether an individual, resi- dential or commercial customer, builder developer or any other person, desires a service connection direct to an existing water or sewer line that was previously installed as a boundary or offsite facility of an extension serving another.develop- ment or other individuals, the charges for each such connection to the line shall be:assessted in accordance with the terms of the preceding Section IV -A and IV -B. * 2. Where a water or sewer line has -been purchased or installed at City expense across or alongside undeveloped property, the subsequent developer of such property shall be assessed for. the cost of the line across or alongside his:property exclusive of oversizing not needed to serve his subdivision. On water and sewer lines alongside undeveloped property the assessment shall be apportioned be- tween abutting property owners. 3. When a Developer installs "Off -Site" or Boundary i facilities in which the City does not participae in the cost'n any way, such'Developer shall become eligible for refunds from future connections to these facilities by fully identifying in the City - Developer Agreement the line locat_on and extent of such Boundary or Off -Site facilities. Such refunds shall be made only from the connection . charges as they are paid by customers not within the platted area of development covered by the Agreement. The determination of such refunds shall be made by the same formula as set up in preceding Section V -D. When protions of an increment of a development necessi- tates facilities that are Boundary or Oft-'cite relative to the initial increment, but later furnished direct service to subsequent increments, then such later connections may be made without payment of'additional connection charges by the same Developer orhis legal heirs, assigns, successors, or executors; however, if the subsequent development is by others, then,,connec- tion charges will be assessed and refunds to the original Developer, will be made if so provided'in his City- Developer Agreement. i Page 28 SECTION VII STANDARD REQUIREMENTS & CRITERIA OF DESIGN FOR SYSTEM EXTENSIONS A. All Contract Documents for extensions or improvements to the City's water or sewerage facilities shall be prepared under the supervision and bear the seal of a Licensed Professional Engineer, licensed by the State of Texas in the field of Civil or Sanitary Engineering, as required by the revised Civil Statutes of Texas, Article 327a, Section 19 and shall consist of the following: 1. Notice to Contractors (if applicable) 2. Proposal or Proposals *3. Contract *4. Performance Bond (Equal to 100% of total Contract) *5. Payment Bond (Required by 56th Legislature of Texas) *6. Maintenance Bond (20% of total contract for 2 years) 7. Description of the Project (By Engineer) *8. General Conditions (Standard adopted by City) 9. Special Provisions (By Engineer) *10. Detailed Specifications (Standard adopted by City) 11. Plans (Usually but not always bound separately) *Note: The City will furnish five (5) copies of the City Standard Items noted thus * for inclusion in the Documents and the Developer's Engineer will prepare other sections required for complete Documents. B. WATER SYSTEM DESIGN AND CONSTRUCTION STANDARDS. 1. All materials and workmanship used in extensions or improvements to the City's Water System shall conform to the ld'test revisions of American Water Works Association or American Standards Association specifications and particularly to the most recent revisions of the Detailed Specifications which have been adopted by the City; a copy of which is on file at the offices of the City of North Richland Hills, and will be made available for inspection upon request. All installations shall be designed and constructed to conform to the latest applicable rules and regulations as published by the Texas State Department of Health. 2. Non - rising stem gate valves with slip or screw type case iron cover boxes and other control devices shall be installed throughout the system as recom- mended by the City's Engineer for proper control, R- 11/28/77 Page .29 I* Is 1• 1• I• 1+ 1• maintenance and operation of the system. These valves shall be "Mueller ", or approved equal. 3. Standard three -way, improved type, dry head fire hydrants constructed to provide a minimum of three (3') feet of cover over the connecting main shall be installed at locations such that all areas of development are located within a five hundred foot (500') radius from a fire hydrant. These hydrants shall be "Mueller ", or approved equal. 4. All fire hydrants shall be installed with a cutoff valve and shall be served by a six inch (6 ") or larger Supply or Distribution Main. 5. Four inch (4 ") Distribution Mains shall be cast iron pipe and it shall not be used to serve more than twenty (20) Standard 3/4" Service Connections of ten (10) Double 3/4" Service Connections and no 4" Distribution Mains shall exceed one thous- and feet (1,000') in length between direct connec- tions to larger mains. 6. Mains Six inches (6 ") and larger shall be cast iron or asbestos cement in accordance with the Standard Specifications. 7. All Supply Mains and Distribution Mains installed within a Developer's platted and filed area of development must extend to the borders of his development as required for future extension of the City's system, regardless of whether or not such extensions are required for service within the area of development. • R 9 -23 -74 R- 11/28/77 Page 30 C. g, Water system extensions and improvements shall.be designed in accordance with Master WE-ter and Sewer Plan. SEWERAGE SY3TEM DESIGN AND CONSTRUCTION STidiDARDS. 1. All materials and workmanship used in extensions or improvements to the City's sewerage system shall con- form to the latest revisions of the applicable sec - tions of the American Society of Testing Materials Standards as prescribed in the latest revision of the Detailed Specifications which have been adopted by the City; a copy of which is on file at the offices of the City and will be made available for inspection upon request. All installations shall conform to the latest applicable Design Criteria for Sewerage Systems as published by the Texas State Department of Health. 2. Approach Sewers .shall be designed %it7r consideration for serving the full drainage area subject to collec- tion by the system, but modified as governed by the projected rate of development and..the financial feasibility of the proposed extension. Lateral Sewers shall be designed to serve the planned area of development with 'provision for extension where po'ss ible into adjacent undeveloped areas. The population density for undeveloped areas shall be based on surrounding development, but shall not be less then 9.5 persons per acre unless approved otherwise by the City. The contributing sewage flow shall be determined on the basis of an average flow of 100 gallons per person per day without separate provision for infiltration. Outfall Sewers, Approach Sewers and Collector Sewers snail be designed on the basis of the following peaking factor formula.: .Peaking Factor = 1 + 14 4 + V P_ P = Population expressed in thousands. 3. All Lateral Sewers or Sewer Mains installed within a Developer's platted and filed area of development must extend to the borders of his development as required for future extensions of the collecting system regardless of whether or not such extensions are required for service within the development. 4. Detailed determination of the sanitary sewerage area shall be the responsibility of the City. vhere.ttiere Page 31 Is I• 14 IV If 10 1# r R- 9/23/74 R- 1/28/74 R- 11/28/77 is a question as to the facilities required, it shall be resolved in favor of additional capacity. All con- struction will be inspected by the City's designated Inspector. 5. The construction of sewage lift or pumping stations or separate treatment facilities will not be per- mitted unless the costs of constructing such lift stations or separate facilities is at least thirty (30 %) percent less than the costs of constructing an adequate outfall or Approach Sewer to serve the area. All estimates of costs for this determination shall be by the City's Engineer(s). 6. In such cases where sewage lift stations or separate treatment facilities are permitted, they shall be. .designed by the City's Engineer(s) and constructed under contracts awarded by and in the name of the City. 'The construction costs of such facilities plus ten (10 %) percent shall be deposited with the City by the Developer or person requiring the facilities, prior to commencing construction. 7., Gravity-flow sewer pipe of sizes twelve (12 ") inches and smaller -shall be vitrified clay pipe conforming to A.S.T.M. Specification C,26 -60T for standard strength and C 278 -60T for extra Strength. Extra strength pipe shall be used where trench,depths exceed eighteen (18') feet and at such other locations as determined necessary by the City's Engineer(s). Joints for vitrified clay pipe shall be factory made joints conforming to A.S.T.M. Specification C 425 -60T, Type III, as manufactured under the trade name of "Delta Seal ". In dry trench conditions and at special connections, joints may be made using Atlas JC 60 after proper priming with Atlas 60 primer. Gravity flow sewer pipe of size twelve (12 ") inches and smaller shall be unplasticized polyvinyl chloride (PVC) Plastic Gravity Sewer Pipe with integral wall bell and spigot joints for the conveyance of domestic sewage. Pipe and fittings shall meet the strength requirements of ASTM specification D 3034, SDR 35. (SDR is arrived at by dividing the pipe O.D. by wall thickness.) Joints for the PVC pipe and fittings shall be compres- sion rubber gasket joints. The bell shall consist of an integral wall section. Fittings and accessories shall be manufactured and furnished by the pipe supplier or approved equal and have bell and /or spigot configur- ation identical. to that of the pipe. Minimum pipe stiffness at 5% deflection shall be 46 for all sizes when calculated in accordance with ASTM D -2412. Page 32 Pipe Size Outside Diameter Minimum Wall Thickness 411 14.215" i 0.007 0.125 6" 6.275 + 0.009 0.180 8" 8.400 f 0.010 4.240 10" 10.500 f 0.013 0.300 12" 12.500 ± 0.016 0.360 Deflection of PVC Pipe: The maximum allowable initial deflection is 10% with a maximum of 50% of the initial deflection allowable within the first 10 years. 8. Gravity flow sewer pipe of sizes fifteen (15 ") inches and larger shall be vitrified clay pipe as stated above or under suitable conditions as approved by the City's Engineer(s) other types of pipes may be used as determined by the individual conditions. 9. Service Sewers and House Sewers from the Lateral Sewer to the clean -out located immediately outside the build- ing where service is provided shall be vitrified clay with "Delta- Seal" joints or may be cast iron soil pipe. The Service Sewer and the House Sewer shall be tested with an exfiltration test as an indication of its ability to eliminate infiltration. The test shall be .made by a plumber or the person installing said sewer and shall be.,completed prior to placing of backfill or blinding material on the pipe. The test shall be made by placing a water tight plug in a test tee until the water reaches the level of the rim of the clean - out stack. If any leak is detected during a period of. thirty (30) minutes, the defective portion of the sewer shall be removed and replaced with sound material and the exfiltration test repeated until the total instal- lation is found to be tight. No cement shall be used for the purpose of repairing a defective joint. Repairs may be made by using Atlas JC 60 hot poured joint com- pound and encasing the repair with a minimum thickness of four (4") inches of five (5) sack concrete. The' encasement -shall completely encircle the pipe for length of at least twelve (12 ") inches on either side of the point of leakage. 10. No connection shall be made to the City's sewerage system which will permit the entrance of surface water from roof, street or other type drains. No connection shall be made to the City's system which will permit the entrance of waste of other than Domestic Sewage characteristics, without specific written agreement with the City. Page 33 Ir Ir I• C7 IF, IV 1 Ii 1 r 11. The fo110 ng design practices shall be considered as general y applicable, but they may be modified by concurrence of the City's Engineer (s) and Director in specific cases where they are impractical. No sewers other than Service Sewers and House Sewers shall be less than six (6 ") inches in diameter. Service Sewers and House Sewers shall not be less than four (4 ") inches in diameter and shall approach the "Lateral Sewer" on at least a one (1 %) per cent grade. All Lateral and Approach Sewers shall be designed with hydraulic slopes sufficient to give mean velocities, when flowing full or half -full of not less than two (2.0') feet per second based on Kutter's or Manning's formula using an "n" valve of 0.013. Grades which will produce velocities in excess of five (5') feet-per second shall be avoided. Sewers shall be laid in straight alignment wherever possible. Where horizontal curvature must be used, the smallest radius shall be one hundred (100') feet. Manholes shall be constructed at all changes in alignment, grade or size of sewer intersection of other sewers except Service Sewers and at the ends of all sewer lines that will be extended. Inter - secting sewers shall enter the manholes at the crown line or top of the intersection or main sewer and the inverts of all manholes shall be formed concave to fit the connecting sewer pipes. 12. All six (6 ") inch and eight (8 ") inch sewer lines shall be air tested and hold four (4) P.S.I. for twenty (20) minutes. All ten (10 ") inch and larger sewer mains shall hold three (3) P.S.I. for fifteen (15) minutes. R- 11/28/77 Page 34 CHECK LIST FOR PROCESSING DEVELOPER EXTENSIONS APPENDIX A the RULES. REGULATIONS. POLICIES AND PROCEDURES CITY OF-NORTH RICHLAAND HILLSp TEXAS +++++++++++++++++++++++++++++++ ++ + + + + + + + + + + + + + + + + ++ + ++ + + + +t + ++ .DATE OF VERIFIED DESCRIPTION & ORDER OF ACTION ACTION BY (INITIAL) 1. City to Dev., North Richland Hills Policies & Procedures 2. Dev. to .City, Prelim. W & S Layout Estimate by Dev. Engr. 3. City to City Engr., .Layout & Est. for Checking 4. City Engr. to City, Comments on Oversizing Needs & Dev. Layout 5. City to Dev., Approval and /or. Comments on Preliminary Layout 6. Dev. to City, 2 Sets Contract Docu- ments, Estimates & Approved Plat 7. City to Dev., 3 Copies'of Developer - City Agreement Form. 8. City to City Engr., Documents, Estimates & Plat for checking 9. City Engr. to City, Comments on Documents & Oversizing 10. Dev. to City, Executed Developer - City Agreement & Escrow Deposit 11. Approval by City Council 12. City to Dev., Notice of Approval to Proceed 13. Documents Distributed for Selection of Contractor Either (A) to City's Engr. to receive Bids or (B) For Dev. to Negotiate Contract 14. City Engr. to City, Tabulation of Bids & Participation Breakdown 15. Dev. to City, Complete Deposit & Vol. & Page of Filing Page 35 • • • 1• la • • DESCRIPTION & ORDER OF ACTION 16. City to City Engr., Instructions to Execute Documents.& Issue Work Order 17. City Engr. Distributes Documents & Work Order 18. Work Staked for Construction by Developer's Engr. 19. Cut Sheets Furnished to City by Developer's Engr. 20. Partial Estimates Paid by City #1 (Not to exceed #2 90% of Total) #3 21. Work Completed, Accepted by City & Final Pay to Contractor Page 36 DATE OF VERIFIED ACTION BY (INITIAL) CITY - DEVELOPER AGREEMENT THE STATE OF TEXAS COUNTY OF KNOW ALL MEN BY THESE PRESENTS: That an individual D.B.A. (or) a Corporation organized under the laws of (or) a Partnership consisting of of the County of , State of , hereinafter called Developer, and the City of North Richland Hills, Tarrant County, Texas, herein- after called City, enter into the following contract: In consideration of the mutual covenants herein contained and for the purpose of providing water and sewerage service to the increment of the addition to the City of ,,Texas, as filed of record in Volume _, Page of the Plat Records of Tarrant County, Texas, or if not yet filed, as shown on the plat attached hereto) the parties hereto do agree: 1. The Developer agrees to pay the City an inspection and pro- cessing fee in amount of 4% of the construction cost of the facilities required to serve his subdivision, and in addition, at no cost to the City, to have complete construction plans, specifications and other Contract Documents, prepared by a registered professional engineer who will also furnish con- struction layout, cut sheets and field adjustments; 2. The Developer agrees to furnish all permits, easements, rights -of -way or other sites necessary for the project at no cost to the City, or to reimburse the City for all costs incurred if such items are acquired by the City, and to abide by all properly approved rules and regulations of the City of North Richland Hills. 3. The Developer agrees to post with the City a cash deposit to be placed in escrow or an "Irrevocable Commercial Letter of Credit" in amount equal to the total construction cost, and the City will enter into Contract with a Contractor who will perform the work and be paid by the City from the deposit or letter of credit posted by the Developer. Page 37 • • • • 1• 10 1• 1• I• L.j 49 Developer understands and agrees that he has no authority to cancel, alter or amend the terms of the construction contract without specific written authority of the City and that he shall be responsible for paying the costs of any cancellations, alterations, or amendments to the Contract unless specifically provided otherwise by written authori- zation from the City. 5. The City will participate in the cost of oversizing portions of the facilities as follows: 6. The Developer will be eligible for refunds in accordance with standard policy of the City on "Boundary" and /or "Off -Site" facilities as follows: 7. The City will provide the inspections as required and upon satisfactory completion of the work the City will accept ownership and operation of the system. 8. Upon completion of the work good and sufficient title to all facilities constructed warranted free of any liens or encum- berances is hereby vested in the City of North Richland Hills, IN WITNESS WHEREOF, the­,pa,rties to these presents have exe- cuted this Contract in three (3) counterparts, each of which shall be deemed an original on this the day of 19 s (SEAL) ATTEST: City ecretary Deve oper By City a gage 38 THE STATE OF TEXAS COUNTY OF BEFORE ME, the undersigned authority, on this day personally appeared known to me to be the person whose name is subscribed to the foregoing instrument, and acknowledges to me that he executed the same for the purposes and considerations therein expressed. GIVEN UNDER DTY HAND AND SEAL OF OFFICE this , A.D., 19 Notary Public Page 39 DAY OF County, Texas 0 LM r- 1 1• 1• 1• VJ 1•" Ll • CITY - CONTRACTOR AGREEMENT STATE OF COUNTY OF THIS AGREEMENT, made this day of 19_, by and between the CITY OF NORTH RICHLAND HILLS, TEXAS, acting herein through its MAYOR, hereinafter called OWNER, and of Name o Con rat or County of and hereinafter called CONTRACTOR. the City of State of WITNESSETH: That for and in consideration of the payments and agreements hereinafter mentioned, to be made and performed by the OWNER, the CONTRACTOR hereby agrees with the OWNER to commence and complete the construction of the certain works or project described as follows: (Describe Project as S I tate—d On Cover For Contract Documen s hereinafter called the project, for the sum of Dollars (S ) and all'extra work in connection therewith, under the terms as is stated in the Contract Documents for the work or project; and at his (or their) own proper cost and expense to furnish all of the materials, supplies, machinery, equipment, tools, superintendents, labor, insurance and other accessories and services necessary to complete the said project in accordance with the conditions and prices stated in the Proposal, the General Conditions, Special Provisions; the Plans, which include all maps, plats, blue prints and other drawings and printed or written explanatory matter there- of and the specifications, all of which comprise the Contract Documents therefor, as prepared by ali of which are mad-e- a e a part heF-eof and co let ive y evi ence an constitute the Contract. Page 40 The CONTRACTOR hereby agrees to commence work under this Contract on a date to be specified in a written "Work Order" of the City's Engineer(s) and to fully complete the project within thereafter. (State Calendar or Working Days The OWNER agrees to pay the CONTRACTOR either by exercise of an irrevocable letter of credit or from a cash escrow deposit posted by the project Developer as follows: (1) If payment is secured by letter of credit, no partial payments will be made until all lines and appurtenances have been installed, at which time a payment of 901 of the total may be paid and the remaining lOf paid after final clean up and acceptance by the City, or at Contractor's option, he may wait for one total payment after final clean up and acceptance; or: (2) If payment is secured by cash escrow deposit, each month the OWNER will make partial payments to the CONTE,CTOR for work performed during the preceding calender month on estimates certi- fied by the City's Engineer(s). Except as otherwise provided by law, ten percent (10 %) of each approved. estimate shall be retained by the OWNER until this contract is performed. Upon completion of the project, the OWNER'S ENGINEER shall, at the request of the CONTRACTOR, issue a. "Certificate of Completion" and /or a Final Estimate based on final measurements of all work completed, and upon acceptance of the project by the OWNLM, the OWY,_RR shall, with- in thirty (30) days, pay to the CONTRACTOR the balance due under the terms and conditions of the Contract. (NARK OUT SECTION 1 or 2 NOT APPLICABLE.) It is hereby mutually agreed by and between the parties hereto that no mechanic, contractor, sub - contractor, material man or other person can or will contract for, or in any other manner have, or acquire any lien upon the building or works covered by this con- tract, or the land upon which the same is situated. IN WITNESS WHEREOF, the parties to these presents have exe- cuted this contract in Five (5) counterparts, each of which shall be deemed an original, in the year and day first above written. (SEAL) CITY OF NORTH RICHLAND HILLS, TEX. Owner Address Page 41 Witnesses (aEAL) • Witnesses • • • p • Page 42 • Con rac or By A ress CONTRACTOR'S PERFORYANCE B RD THE STATE OF COUNTY OF KNOW ALL MEN BY THESE PRESENTS: That (flame of Contractor I Corporation, Partnership, Etc.) of , 'r�ereinafter called Contractor s Address Principal and Name o urety and Address) State of hereinafter called the Surety, are he d and firmly ound unto the CITY OF NORTH RICHLAND HILLS, TEXAS, hereinafter called CITY, and unto all persons, firms, and corporations who may furnish materials for, or perform labor upon the building or improvements hereinafter referred to in the penal sum of Oyo OF C NTRACT PRICE Dollars in lawfu. money of the United States, to be paid in Tarrant Courity, Texas, for the payment of which sum well and truly to be made, we bind ourselves, our heirs, executors, administrators, and successors, jointly and severally, firmly by these presents. THE CONDITION OF THIS OBLIGATION is such t-I..t Gvhereas, the Principal entered into certain contract with dated the day of , -_.D., 191 D. copy of which is hereto attached and made a part hereof for the exten- sion of the water and/or sewerage systems of the City of North Richland Hills to serve the increment of the Addition to the City of and, WHEREAS, said Contract was entered into pursuant to the requirements of the City of North Richland Hills and in accordance with the conditions of a written City - Developer A6.reement between the City of North Richland. Hills and the Developers NOWO THEREFORE, if the Principal shall well, truly and faitY:- fully perform its duties, all of the undertakings, covenants, terms thereof, and any extensions thereof which may be granted by the Page 43 u Page 44 • City, with or without notice to the Surety and if he shall satisfy all claims and demands incurred under such Contract, and shall fully idemnify and save harmless the City and /or Developer from • all costs and damages which it may suffer by reason of failure to do so, and shall reimburse and repay the City and /or Developer all outlay and expense which the City and /or Developer may incur in making good any default, and shall promptly make payment to all persons, firms, sub - contractors and corporations furnishing mater- ials for or performing labor in the prosecution of the work pro- vided for in such Contract, and any authorized extension or modifi- cation thereof, then this obligation shall be void, otherwise to . remain in full force and effect. PROVIDED FURTHER, that if any legal action be filed upon this bond, venue shall lie in Tarrant County, Texas, and the said Surety, • for value received hereby stipulates and agrees that no change, extension of time, alteration or addition to the terms of the con- tract or to the work to be performed thereunder or the specifi- cations accompanying the same shall in any wise affect its obligation on this bond, and it does hereby waive notice of any such change, extension of time, alteration or addition to the terms • of the Contract or to the work or to the specifications. PROVIDED FURTHER, that no final settlement between the City and /or Developer and the Principal shall abridge the right of any beneficiary hereunder, whose claim may be unsatisfied. IN WITNESS WHEREOF, this instrument is executed in five (5) counterparts, each one of which shall be deemed an original this day of , A.D., 19 ATTEST: • PICPAL (Principal) Secretary By ' Address • Witness as to Principal Address Surety By ATTEST: A orney- n Fact • Address (Surety) ecre ary NOTE: POWER OF ATTORNEY OF SURETY MUST BE ATTACHED. DATE OF BOND MUST NOT BE PRIOR TO DATE OF CON - Address TRACT. Page 44 • (To be used in Texas as required by Chapter 93 of the Acts of the Regular Session of the 56th Legislature of Texas.) THE `STATE OF COUNTY OF KNOW ALL DIMN BY THESE PRESENTS: That Name of on rac or a Corpora ion, Partnership & Etc.) of , hereinafter called C NTRAC ADDRES :3 Principal and ,State of erei.na er called e Surety, are held and firmly bound unto the CITY OF NORTH RICHLAND HILLS, TEXAS, hereinafter called CITY and unto all persons, firms, and corporations who may furnish. materials for, or perform labor upon the building or improvements hereinafter referred to in the penal sum of CONTRACT CE Dollars ($ )� in aw u money o he Uni e S ates, to be Wald in arran County, Texas, for the payment of which sum well and truly to be made, we bind ourselves, our heirs, executors, administrators and successors, jointly and severally, firmly by these presents. THE CONDITION OF THIS OBLIGATION is such that Whereas, the Principal entered into a certain contract with (Developer or City) dated the day of A.D., 1.9 , a cony of which Ts—hereto—attached and made a part hereof for the exten- sion of the water and /or sewerage systems of the City of North Richland Hills to serve the increment of the Addition to the City of and, WHEREAS, said Contract was entered into pursuant to the requirements of the City of North Richland hills and in accordance with the conditions of a written City - Developer Agreement between the City of North Richland Hills and the Developer; NOW THEREFORE, the condition of this obligation is such that, Page 45 • if the principal shall promptly make payment to all claimants, as defined in Article 5160 Revised Civil Statutes of Texas, 1925, as amended by House Bill 344, Acts 56th Legislature, Regular Session, • 1959, effective April 27, 1959, supplying labor and materials in the prosecution of the work provided for in said Contract, then this obligation shall be null and void, otherwise, it shall remain in full -force and effect. • This Bond is made and entered into solely for the protection • of all claimants supplying labor and material in the prosecution of the work provided for in said Contract, and all such claimants shall have a direct right of action under the bond as provided in Article 5160, Revised Civil Statutes, 1925, as amended by House Bill 344, Acts 56th Legislature, Regular Session, 1959. • PROVIDED FURTHER, that if any legal action be filed upon this bond venue shall lie in TARRANT COU11TY, TEXAS. The said Surety, for value received hereby stipulates and agrees that no change, extension of time, alteration or addition to the terms of the con- tract or to the work to be performed thereunder of the specifi- cations accompanying the same shall in any wise affect its • obligation on this bond, and it does hereby waive notice of any such change, extension of time, alteration or addition to tree terms of the contract or to the work or to the specifications. 0 • PROVIDED FURTHER, that no final set and /or Developer and the Principal shall beneficiary hereunder whose claim may be IN WITNES`3 WHEREOF, this instrument counterparts, each one of which shall be the day of (Date of on must be the same as the a' ATTEST: rincipa Secretary (SEAL) - Witness as to Principa Address ATTEST: Surety Secretary Page 46 • tlement between the City abridge the right of any unsatisfied. is executed in five (5) deemed an oriinal, this A.D., 19 Ee of ContracT. Principal By .Lddress Surety By Attorney- in -Fac Witness as to Surety Address Address NOTE: POWER OF ATTORNEY OF SURETY TJUST BE ATTACHED. Page 47 • 1• 1• 1• 1• I• I• •` 7 CONTRACTOR'S MA ENA CE B ND STATE OF COUNTY OF KNOW ALL MEN BY THESE PRESENTS: That as principal, and Neme of on rac or NAME OF SURE Y a corporation organized under the laws of AS Sureties do hereby expressly acknowledge t emse ves to be he d and bound to pay unto the CITY OF NORTH RICHLAND HILLS, TEXAS, a municipal corporation, the sum of Dollars for the payment of which sum well and truly to be ma a un o said CITY OF NORTH RICHLAND HILLS, TEXAS, and its successors, said principal and sureties do hereby bind themselves, their assigns and successors jointly and severally. THE CONDITION OF THIS.OBLIGATION is such that Whereas, the Principal entered into a certain contract with dated the day of Ci .y A.D., 19 , a copy of which is hereto attached end made a part hereo or the extension of the water and, /or sewerage systems of the CITY OF NORTH RICHLAND HILLS to serve the increment of the Addition to the City of and, ViHEREAS, said Contract was entered into pursuant to the requirements of the City of North Richland Hills and. in accordance with the - conditions of 2 written City — Developer z-reement between the City of North Richland Hills and the Developer End, WHEREAS, in said Contract, Contractor binds itself to use of materials and. methods of construction such that improvements will. and will re— be initially completed free of perceptible defects main in good repair and condition and free of perceptible defects for and during the period of TWO (2)YEARS after the date of acceptance of the completed improvements by the City; and, WHEREAS, said Contractor binds itself to construct said improvements.in such manner and obtain inspection approvals in Page 48 proper sequence as are required to obtain acceptance by the City and to repair or reconstruct the said improvements in whole or in part at any time within said TWO (2) YEARS period to such extent as the City deems necessary to properly correct all defects ex- cept those which have been caused by circumstances and conditions occurring after the time of construction over which the Contractor had no control and which are other than those arising from defect of construction by the Contractor; and, WHEREAS, after the acceptance of the improvements by the City, said Contractor binds itself, upon receiving notice from the City of the need therefore to repair or reconstruct said improvements and if the Contractor fails to make the necessary corrections tree City of North Richland Hills may do or have done all said corrective work and shall have recovery hereon for all expenses thereby in- curred. NOW THEREFORE, if said Contractor shall keep and perform its said agreement to maintain, repair or reconstruct said improve- ments for a period of TWO (2) YEARS, as provided, then these presents shall be null and void, and have no further effect. Other- wise, this Bond shall be and remain in full force and effect, said City shall have and recover from the said Contractor and its Surety damages in the premises as prescribed by said Contract. This obligation shall be a continuing one and. successive recoveries may be had hereon for successive breaches until the full amount hereof is exhausted. IN WITNESS WHEREOF, the said Tv'nPJE r' C NTRACT R HAS CAUSED THESE PRESENTS TO BE EXECUTED BY Name of Contrac or s Au nori7e igner and the said Name of urety has caused these presents to be executed by its Attorney -In -Fact and the said Or Official) ha.s hereunto set his hand this the day of Page 49 i• • • • 10 • • • • • SURETY By Attorney--M Fact By Surety Page 50 PRINCIPAL ATTEST: Secretary THE AMOUNT "SAMPLE LETTER OF CREDIT" DATE ., Texas NO. To: THE CITY OF NORTH RICHLAND HILLS, TEXAS Gentlemen: We hereby authorize you to draw on the Bank , Texas, drafts at sight or any sum or sums not exceeding a total of (S for account of • Drafts must be accompanied by Contractor's Payment Estlmcte approved by the City Engineer(s) of the City of North Richland Hills, Texas, such estimate being the City's acknowledgement that the work for which payment is made has been accomplished in accordance with the City - Developer Agreement dated Drafts must be drawn and negotiated not later than Each draft must state that it is "Drawn under Letter of Credit of the Bank, , Texas, No. dated on this letter of credit. and the amount endorsed We hereby agree with the drawers, endorsers, and bona fide holders fo all drafts drawn under and in compliance with the terms of this credit, that such drafts will be duly honored upon presen- tation to the drawee. Except so far as otherwise expressly stated, this credit is subject to the uniform customs and practice for commercial docu- mentary credits fixed by the most recent Con6.ress of the Inter - national Chamber of Commerce. Yours very truly, Authorized Signatures page 51 r. C • • 1• 1• 1• 1• Ll • CITY OF NORTH RICHLAND HILLS, TEXAS STANDARD SPECIFICATIONS FOR CONaTRUCTION OF WATER & SEWERAGE FACILITIES ITEM GENERAL REQUIREMENTS These standard construction specifications constitute Appendix "C" to the "Rules, Regulations, Policies and Pro- cedures" as adopted by the City of North Richland hills for their water and sewerage facilities. These standard specifi- cations shall become a part of all contracts for extensions or improvements to the North Richland Hills water and /or sewerage systems, and although they may be supplemented by Special Provision for clarity they may not be superceded by requirements of lesser quality than provided in these standards. Similarly, all such work performed under these specifications shall also be in compliance with and subject to all other applicable portions of the published "Rules, Regulations, Policies and Procedures for the water and sewerage facilities of the City of North Richland Hills ". Where any reference is made in the standard specifi- cations to discretionary actions or judgement such as "Ordered ", "Approval ", "Allowed'; "Acceptance ", "Permission ", "Satisfactory" "Required ", or any other such terms relative to the control.. of the project, the implied or stated judgement shall rest solely with the Director of Utilities or the City Engineers) of the City of North Richland Hills or such other agent of the City of North Richland Hills as is specifically designated by the City Manager to be so identified in the Contract Documents. Page 52 ITEM TRENCHING AND BACKFILL 1. Description. This item consists of excavating all necessary trenches for the water distribution system and /or sewer system and backfilling same after the pipe has been properly laid, inspected and tested. This work shall include the furnishing of all labor, materials, tools, equipment and machinery necessary for clearing and removing from the site of the work, wherever located, all obstructions, trees, stumps, brush, vegetation and debris, and all earth, rock and other materials to be excavated; the removal of existing structures except where specifically paid -Jor as separate contract by items; the stripping or removal of top soil or sod to be piled separate from other excavated materials and later to be restored to its original place after backfilling is completed; the furnishing, placing and maintaining of all sheeting, shoring, and bracing necessary to protect the work and adjacent properties; all pumping, bailing and draining necessary to keep the excavation free from seepage water, water from sewers, drains, ditches, creeks, and other sources, and provisicn for the uninter- rupted flow of sewers and surface waters during progress of the construction; the removal, after the completion of the work, of all sheeting, shoring and bracing not necessary to support the sides of the excavation; the satisfactory disposal of excess and unsuitable materials not required or which cannot be used for back- filling, tamping, compacting and refilling; after settlement, or all excavated areas; the restoring of all streets, alleys, right -of -way and other lands or struc- tures private or public, damaged or occupied by the Contractor in the performance of the contract to as good condition as they were prior to the beginning of the work, and maintenance of any trench settlement that occurs within two years after accepting of the job. 2. Classification. Excavation in trenches for water lines will be unclassified and will not be paid for separately, but shall be included in the price bid per linear foot for the various sizes of water pipe unless specific provision for separate payment is called for in the "Special Provisions" and on the "Proposal" form. Trenching for sewer lines and structures will be "Unclassified" unless separately classified as 'wet ", "Dry ", "Rock" or "Special" and a price for each is specifically called for in the "Special Provisions" and in the "Proposal ". _Where no separate classification is provided, the price bid shall be on the basis of "Unclassified" trenching and the Contractor shall satisfy himself as to the material and conditions to be encountered as well as the-special beddinci backfill materials and methods which are hereinafter required. Where excavation is classified, the following definitions shall apply; "Dry" excavation is defined as all dry earth excavation that may be properly removed with a trenching machine. No special bedding is required. "Wet" excavation is defined as trench excavation which encountered water in the nch and requiring sheathing, pumping or de- watering. Special bedding is required. PAGE 53 L Item Trenching and Backfill "Rock" excavation is defined as all masses which cannot be removed without blasting or use of a power hammer, all detached rocks or boulders measuring more • than two (2 1 ) feet in their largest exposed face and that are fastened in the trench due to their size and hard underlying strata or sedimentary rock in its natural bed- ding. Special bedding is required. "Special" excavation is defined as all loose rock and extremely hard shale or clay which, in the opinion of the Engineer, seriously impedes the normal trench- • ing operations. "Special" excavation quantities will be computed as a percentage of the total excavation per linear foot of trench. Trench containing more than 75% . large loose rock removed by a trenching machine will be paid for as 100% special excavation. Trench containing 50% large loose rock removed by a trenching machine will be paid for as 50% special excavation. All lesser percentages of large loose • rock will be paid for in direct proportion. Special bedding is required. 3. Construction Methods. Trenches shall be excavated by a trenching machine or back hoe except in locations where hand trenching is required. Banks of trenching shall be vertical when in material that stands firm. in material that caves, banks shall be braced • or cut on slope as determined most feasible on the job. Trenches will be excavated to the approved lines and grades, as shown on the plans. No changes in the locations of the lines are contemplated, but should any changes be necessary, they shall first be approved in writing and the revised work shall be compensated for at the unit price as bid unless a revised price is • specifically agreed upon before performing the work. The width of the trench shall normally be six (611) inches minimum and eight ($") inches maximum on each side of the pipe bell. Trenches for water pipe shall be of such depth as to give thirty -six (3611) • inches cover for four (411) inch and larger size pipe, and thirty (30 ") inch cover for pipe of smaller size, unless specifically planned otherwise. The excavation shall not advance more than one hundred (1001) feet ahead of the completed backfilled line. Pipe shall have been laid in all trench that has been opened at the end of each day's work, except with written permission to do otherwise. Extra deep excavation and addition of material other than the existing native material encountered at the bottom of the trench excavation may be necessi- tated to accomplish a satisfactory job due to various conditions which include the following: (a•) When the excavated material is rocky, hard clods, or otherwise will not granulate and flow to suitably bed and blind over the pipe with homogeneous cover, outside material or suitable select material form other points on the job shall be hauled in and in no case shall extra pay be allowed for furnishing and installing such material. • (b) Special granular embedment either with or without cement stabilizer or concrete encasement may be specified to be placed immediately • PAGE 54 Item Trenching and Backfill under or about the pipe to provide necessary support and /or protect- ion to the pipe because of deep trench or other abnormal laying conditions other than rocky or unstable subgrade. Such embedment, which is other than (a) above, shall be used only when specifically ordered and shall be paid for either as part of the pipe price or as a separate item if covered in the proposal, otherwise, the basis of compensation shall be determined by Supplemental Agreement when its installation is ordered. (c) Trench bottoms in rock shall be excavated minimum 8" below flow line and backfilled to grade with cushion sand, gravel or other suitable bedding material. No additional pay will be allowed for either the added excavation or the bedding material unless the excavation is classified "Rock" in which case the rock excavation will be paid to full depth of excavation, but no extra pay will be allowed for the bedding material. (d) Trench bottoms in unstable material, such es with free water in trench, clay, loose sand, high humus content, etc., shall be .e.x:cavated additional depth not less than 811 below flow line and backfilled or admixed with crushed stone, oversized gravel or other treatment as specified to form a stable base upon which to place the pipe and embedment material if specifiel. When the condition of•un- stability results from neglect of Contractor to divert or pump out water or other act within control of Contractor, no extra compensa- tion will be allowed either for extra excavation required or materi- al ad�'.ed. When conditions of unstability exist or result from con- ditions not within control of the Contractor, extra compensation will be due the Contractor as set up in the Special Provisions or negotiated prior to performing the work unless it is specifically provided in the Special Provisions that such stabilization is included in the "Unclassified ", "Wet" or "Special" excavation as the case may be. The Contractor shall remove any water which collects in the trenches while sewer pipes are being laid. In no case shall water be allowed to run over the invert or foundation or through the sewer without permission. Water encoun- tered shall be disposed of by the Contractor in an approved manner. The bottoms of the trenches for all sewers shall be carefully and truly graded, formed and lined according to the approved grades and dimensions. They shall be approved before any sewer pipe is laid and bell holes shall be excavated by hand. The Contractor shall excavate all trenches, including work necessary in working around existing pipe lines or other obstructions. Tunnelling for railroad or highway crossings at greater ,Icpth than required above shall be done without any extra compensation therefor. The Contractor shall ,give notice to the owners of any such lines or obstructions, in order that they may have time to take the necessary precautions for protecting their property. The Contractor shall be responsible fc>r protecting the Owner from any damage arising from his operations in such work. After testing and inspection of water pipe lines has been finished on any completed portion of the work, the trench may be backfilled. Backfilling shall be accomplished in compliance with the applicable portions of this specification. ?AGE 55 0 I• 10 1• 10 U KI n u 9 Item Trenching and Backfill 4. Test Borings. Where any information pertaining to the character of the materials expect to be encountered in the excavation work, as found by making borings, from observations, records or otherwise, is shown on the plans, it is with as much accuracy as possible, but it is expressly understood that the Owner does not assert or gurantee the accuracy of such information or that any materials to be encoun- tered at any other points are even approximately the same, either in character or elevations, as those shown on the plans. S. Sheathing. The sides of all excavations shall be sufficiently sheeted, shorted and braced so as to prevent slides, cave -ins, settlement or movement of the banks and to maintain the excavation clear of obstructions that will in any way hinder or delay the progress of the work. In wet, saturated or flowing materials, when it is necessary to install tight sheeting or cofferdams, wood or steel sheet piling of an approved design and type shall be used. All sheet piling, shoring and brac- ing shall have sufficient strength and rigidity to withstand the pressure exerted and maintain the sides of the excavation properly in place and protect all persons or property from injury or damage. When excavations are made adjacent to existing building or other structures, or in paved streets, particular care shall be taken to adequately sheet, shore and brace the sides of tha excavation to prevent under- mining of, or settlement beneath the structures or pavcmcnt. Underpinning of adjacent structures or pavement shall be done by the Contractor at his own cost and expense and in an approved manner, or when required, the pavement shall be removed', the void satisfactorily refilled, compacted and the pavement replaced by the Contractor; the entire expense of such removal and subsequent replacement there- of shall be borne by the Contractor. Sheeting, shoring and bracing shall not ba left in place unless otherwise provided for in the contract or specifically author- ized. The removal of sheeting, shoring and bracing shall be done in such manner as not to endanger or damage either new or existing structures, private or public properties, and so as to avoid cave -ins, or sliding of the banks. All holes or voids left by the removal of the sheeting, shoring or bracing shall be immediately and completely filled and compacted with suitable materials, Sheeting, shoring and bracing ordered left in place will be paid for at the unit price bid for this item. 6• Pumping, Bailing and Draining. The Contractor shall immediately remove all surface or seepage water from sewers, drains, ditches and other sources which may accumulate during the excavation and construction work, by providing the necessary underdrains or other- wise, and by doing the necessary pumping, bailing or draining. The Contractor shall have available at all times sufficient equipment in proper working order for doing the work herein required. All water removed from excavations shall be disposed of in an approved manner, so as to not create unsanitary conditions, nor to cause in- jury to persons or property or damage to the work in progress, not to interfere un- duly with the use of streets, private driveways or entrances. Pumping, bailing and draining, underdrains, ditches, etc., shall be considered as incidental work and will not be paid for as separate items, but their cost shall be include' in the contract prices bid in the proposal for the various units of excavation measure. PAGE 56 Item Trenching and Backfill ], Support of Existing Pipes Across Trench. 7t shall be the responsibility of the Contractor to protect and support all water, gas and other conduits crossed by the excavation or work to be performed by him or to arrange for their temporary removal, and subsequent replacement. All expense incidental to this phase of the work shall be borne by the Contractor. Sanitary sewers crossing the trench shall be replaced by a piece of cast iron pipe long enough to span the trench with ample support on each side, as detailed on the plans. Separate contract pay items will be provided for in the Proposal and contract for such as. iron pipe "Trench Spans ". 8, Disposal of Excavated Materials. Excavated materials, so far as needed and of a suitable character, shall be piled adjacent to the work to be used for backfilling as required. Exca- vated materials unsuitable for the backfilling, or in excess of that required for - backfilling, shall be disposed of in an approved manner at locations designated on the plans or as approved. Desirable top soil, sod, etc., shall be carefully piled separately and replaced in its original position when required. Excavated materi- als shall be handled at all times in such manner as to cause a minimum of incon- venience to public travel and to permit safe and convenient access to private and public property adjacent to or along the line of work. in parkways and easements where it is necessary to deposit excavated materials on lawns during the work, burlap or canvas shall be placed on the lawn to prevent contact between excavated materials and the lawn. 9. Protection of Trees, Plants,Shrubbery, Etc. Where trees, plants, shrubbery etc., are adjacent to the line of the work and are not to be removed or removed and replaced, the Contractor shall pro- tect such trees, plants, shrubbery, etc., by substantial wooden boxes and guards and shall not permit machinery or employees to scrape, tear the limbs from, or damage, or attach guy cables to them, and if, such trees, plants, shrubbery, etc., would be damaged by machinery, etc., hand excavation may be required. The Con tractor shall be responsible for all damages to such trees, plant$,shrubbery, etc. 10. Protection of Buildings and Existina Improvements. The Contractor shall, at his own expense, shore up and otherwise pro- tect any building or other structure which may be endangered during the work and he shall restore all buildings, culverts, fences, walls, or other properties dis- turbed during the work to a condition similar or equal to that existing before his operation. The Contractor shall be responsible for any injuries to persons and property for all damages to any pipe, con ,2uit, sewer or other structures injur- iously affected by the work, and the Owner shall not be liable therefor. 11. Use of Explosives. Should the Contractor elect to use explosives in the prosecution of the work, they shall be used with utmost precaution, and no blasting shall be done within 50 feet of the completed work or exposed pipes, conduits, etc., and he shall assume all liability for any injury or damage to persons or property resulting front. PAGE 57 • Item Trenching and Backfill such usage. All necessary precautions shall be taken by the Contractor, and prov- isions shall be made for the protection of the new work, and all blasting shall be so conducted as not to endanger persons or property+ Only a sufficient quantity of explosives for the immediate day's work shall be kept at the site of the work by the Contractor. Caps, exploders and explosives shall be stored separately. The Contractor shall be responsible for, and shall make good, any damage caused by blasting or accidental explosions. • 12. Tunnelling and Casing_ Tunnelling under highways, streets, or railroads shall be accomplished by means of jacking and tunnelling equipment which has been approved prior to starting tunnelling operations. Tunnels shall be pressure grouted or backfilled as completely as practicable with selected materials, compacted by means of mechan- ical tampers or hydraulically placed in such manner that no voids remain between the backfilled material and the roof of the funnel. Tunnelling and casing shall be further in accordance with the Item, "Railroad and Highway Crossings" or as further provided in the Special Provisions or shown on the plans. • 13. Crossings to be Kept Open. At such,street, railroad, and all other crossings as may be designated by the Engineer, the trenches are to be hand tamped and filled in such a manner as to prevent any serious interruption of traffic upon the roadway or sidewalks, the cost thereof to be borne by the Contractor. • 14. Protection of Unfinished Work. Before leaving work for the night, or during a storm, or at other time4 care must be taken to protect and securely close the unfinished end of the pipe. Any earth or other materials that may find entrance into the pipe through any such open or unplugged end of the pipe must be removed at the Contractor's expense. 15. Liar hts and Guards_ The Contractor must provide and maintain adequate detours around the work under construction. The Contractor must provide sufficient lights, warning signs, and watchmen to provide adequately for the safety of the public. 16. Backfill, Materials and Workmanship. Excavation shall be backfilled only with approved materials; the type of backfill shall vary according to the type of pipe being installed. •y (A) Unless special granular embedment or encasement is required, the initial blinding -over of the pipe shall be as follows: (1) All asbestos cement pipe shall be embedded and blinded over with not less than 4" below & 4" above the barrel of pipe with select "hauled -in" cushion sand. Material from the trench will not be used for cushion sand unless the Contractor furnishes suitable reports from an inde- pendent laboratory showing that it has proper qualities. • PAGE 58 Item Trenching and kfill (2) All cast iron or steel cylinder concrete pipe laid on rock or in clay material with P.I. of 20 or greater shall be em- bedded and blinded over with not less than 4" below and 4" above barrel of pipe with select "Hauled -in" cushion sand. (3) Cast iron or steel cylinder concrete pipe laid through materials of P.1. less than 20 which granulate or crumble to particles less than 1" in size may be blinded and back - filled with the native material unless some other condition is found that would be detrimental to this installation. Embedding and blinding must be not less than 4" below and 4" above barrel of pipe. (4) All clay or other sewer pipe shall be blinded and back - filled with native material where the excavated material is good earth free from rock, broken concrete, broken pavement or other lumpy material larger than 1" in the greatest dimension. The pipe shall be blinded by carefully placing by hand, and hand or mechanically tamping layers to a height twelve (1211) inches above the pipe. (B) After initial blinding -over has been accomplished as specified above, the remainder of the backfill shall be placed and treated depending upon the location of the trench as follows; (1) Where trenches are located in open or undeveloped land, and in land which has not been planned or platted and submitted for review by the City Planning Commission or City Council, backfill shall be added to the trench to bring it up to natural ground level. The ditch shall then be allowed to settle with additional fill material added from time to time as natural settlement is accomplished and until all backfill has stabilized or the period of maintenance as prescribed for the project has expired. (2) Where trenches are located in land for which a preliminary plan has been or is being presented to the City Planning Commission or City Council, the backfill shall be jetted until all settlement has been ceased. Jets shall be used at not over six (6) foot spacing and on alternate sides of the trench. After jetting and prior to any street con- struction in the area planned, the ditches shall be thor- oughly "walked in" by tracked machinery and any settlement corrected by addition of material up to ground level. (3) Where trenches are located in nreas dedicated as streets in a plat which is filed of record, these trenches shall be backfilled with select material from trench excavation and this backfill shall be hand or mechanically tamped in not more than six (611) inch layers or hydra - tamped to minimum 90% density. If the material is dry, and if so instructed, the Contractor shall moisten the backfill material in order to obtain satisfactory compaction. (4) Where trenches are located in existing paved streets, all excavated material shall be removed from the site and the full trench above initial embedment filled with crushed stone or other approved granular material of a nature that PALL 55 10 1• 1• 1• I• I• U: �0 •, I tem Trench i net and Backf i 1 1 readily compacts to near maximum density by jetting or other proposed construction procedure. After accomplishing com- plete compaction and allowing a reasonable time for the fill to cure, (normally 7 to 14 days), the Contractor shall remove the top portion of backfill and restore the paving as further provided under the Specification item, "Street Paving Replacement ". All surplus material from trench excavation shall be removed from the site and disposed of by the Contractor. All ditches and drainage structures shall be maintained free from excavated material. No additional compensation will be or methods prescribed herein. Any additional fill to replace unsuitable material excavated Contractor at no additional cost to the Owner. 17. Concrete Cushion and Backf ill. allowed for the backfill materials select material required for back - in trenching shall be supplied by the Concrete cushion and backfill shall be composed of a free flowing granular material consisting of small stone, pea gravel, limestone chat, or pit run sand and gravel and shall always consist of at least 60 percent sand. The material shall a]I -pass a 3/4" screen and be free from sticks, lumps, stones and organic matter. The material shall be mixed with Portland cement in the propor- tions of 1 part cement to 12 parts of the above described granular material, by volume measurement. Concrete cushion or concrete backfill shall be poured either wet or dry as directed, When concrete cushion or concrete backfill material is specified or ordered to be poured dry, the Contractor shall place this material on each side of the pipe for the full width of the trench, using shovels to cut the material back under the pipe and tamped to a height of 1211 above the pipe to receive final backfill. Care must be exercised not to dislocate or disturb the grade or align- ment of the pipe. If ordered to be poured wet, caution and care must be used not to float the pipe out of place. In the event pipes are floated out of proper position, they shall be removed and relaid at the expense of the Contractor. Tamping may be performed by either hand or mechanical tamping, however, when the initial backfill is not getting the proper compaction by hand tamping methods, the Contractor may be ordered to use mechanical tamping entirely. When ordered or called for on the plans or in the "Special Provisions ", concrete cushion will be paid for separately. In lieu of hand or mechanically tamped initial backfill, the Con- tractor may, if he so elects, use concrete backfill material poured wet around and over the pipe to a depth of 12 ". When selectbackf i I I is poured wet in lieu of tamping, no extra compensation or pay for select backfill material will be allowed. 16. Measurement & Payment. The basis for measurement and payment shall be as follows unless specifically provided otherwise in the "Special Provisions" and "Proposal": PAGE 60 Item Trenching and Backfill "Unclassified ", "Dry ", "Wet" and "Special" trench excavation, as called for in the Proposal, for sewer pipe of size_ up t_ and including twelve (12 ") inch inside diameter will be measured and paid for at the price bid per linear foot separately from the sewer piep. "Unclassified ", "Dry ", "Wet" and "Special" trench excavation, as called for in the Proposal, for sewer pipe of sizes fifteen (15") inches and larger in- side diameter will not be measured or paid for separately, but the cost therefor shall be included in the price bid per linear foot for the pipe. Rock excavation, when called for in the Proposal, shall be measured and paid for at the price bid per cubic yard. The width of rock excavation re- moved from trenches shall be considered as the same nominal width of the trench not being cut in rock, but the maximum width allowed shall not exceed eight (8(1) inches on each side of the pipe bell. Tunnelling of the various diameters called for in the Proposal will be measured and paid for at the price bid per linear foot. No additional excavation or trenching will be allowed within the limits of tunnelling. Gravel cushion, embedment, or backfill will be measured and paid for separately at the price bid per cubic yard, only when ordered by Supplemental Agreement or called for on the plans or in the Special Provisions. Concrete cushion and concrete backfill will be measured and paid for at the price bid per cubic yard. Class "B" (5 -sack) concrete encasement will be measured and paid for at the price bid per cublc.yard, except when required at a part of "Lump Sum" bid Items. Sheathing, when ordered left in place, will be measured and paid for at the price bid per M.F.B.M. Trench spans of the various sizes called for in the Proposal will be measured and paid for at the price bid per linear foot of the various sizes. Casing for water and sewer pipe of the various sizes will be measured and paid for at the price bid per linear foot. . Pumping will not be paid for directly. The cost thereof will be in- cluded in the unit price bid for wet excavation. Backfilling will not be paid for directly, but will be included in the unit price bid per linear foot for the various classifications of trenches, Twenty - five (25%) percent of the price bid for trenching of the various classifications for sewer lines and /or fifteen (15 %) percent of the price bid for water mains complete in place may be withheld for incomplete or unacceptable backfill. All bid prices shall be full compensation for all labor, equipment, shoring and incidental work, including pumping and backfilling of the trench, necessary to complete the work. No separate measurement or payment will be made for replacing street base or surfacing unless prices are requested in the Proposal. Measurem pt and payment, when called for separately. will b© in arr ordance with the item, "Re- placing Street Surfacing ". PAGE 61 • ITEM • WATER DISTRIBUTION SYSTEM 1. Description. This item covers the material and labor required for the construction of the water distribution system, or extensions to the existing system as shown on • the plans. included are all mains, laterals, valves, valve boxes and appurtenances unless specifically covered by separate specification item. "Service Connections ", "Railroad and Highway Crossings" and other special devices and situations will be covered by separate items. • p• " y ca � ,. P This specification item may be amended r adapted to the articular project by the "Special Provisions "& 2. Excevet ions end. Backf I l I_ ing Ail trenching and backfill shall be accomplished in,conformi•-ty with • the specification item, '"Trenching and Backfill!', and the costs of furnishing and placing cuthi- tam"Sand or other embedment material as required in Section 16 of the "Trenching and Backfil11' item shall be included in the installed price of each size and type of pipe unless specifically provided otherwise in the "Special ProvisIonis'!fand �'Ptoposal "i • 3. Selection of Pipe Type Ail buried distribution system pipe used on this project shall be Cast Iron, Asbestos Cement; or Copper suitable for working pressure of at least i50 p.s.i., unless otherwise'provided'in the "Special Provisions" or shown on ,tlhe plans. The selection of pipe type:for any given situation shall be governed as • follows; (a) All service lines 2" and smaller shall be Type " " YP K copper. / (b) All distribution mains smaller than nominal 6" I.D. shall be cast i ron ,cin'd i.f smaller than 4" joint lengths shall not exceed • 12 feet, nor shall wall thickness be less than 0.25 ". (c) All distribution mains from nominal 6" I.D. to,12" I.D. i" elusive s1mI T be either cast iron or asbestos cement, at -Contractorls option, with the type selected to be stated in the Proposal. • (d) Pipe larger than nominal 12" I.D. will be of type selected by the City based upon the individual circumstances of the partic- ular job involved. Gal_vaneO steel, plastic or other special types of pipe shall be used only when specifically approved and provided on the plans or. in the "Special Provisions ". Where more than one class of pipe is required, the location of the various classes will be shown on the plans. IN -�, PAGE 62 Item Water Distribution System 4. Materials Specifications. 4.1 Copper Pipe shall be cold drawn seamless pipe and it shall con- form with A.S.T.M. Class '- s Specification and U.S. Government Type "K" Specifi- cation and U.S. Government Type "K" Specifications.WW -T -799. 4.2- Cast Iron Pipe in sizes smaller than 3" nominal I.D. shall con- form to AWWA C112 -65 and in sizes 3 I.D. and larger shall conform to AWWA C106 -62 or C108 -62 as further clarified or excepted herein. All Cast Iron Pipe shall have standard thickness cement mortar lining in accordance with AWWA C104 -64 and shall be coated outside with AWWA standard. bituminous coating. Cast Iron Pipe may be manufactured with metal having tensil strength. of 18,000 p.s.i. and modulus of rupture of 40,000 p.s.i. or the pipe may be man - ufactured of metal having a tensil strength of 21,000 p.s.i. and modulus of rup- ture of 45,000 p.s.i.. Thickness of the pipe shall be not less than is required for an internal working pressure of 150.p.s.i. and for installation with 3;,e ft. of cover in trench condition "A ", flat bottom trench with un- tamped backfiil, computed in accordance with A.S.A. A 21.1 -1957, "Manual For The Computation of Strength and Thickness of Cast Iron Pipe ", nor shall the thickness be less than the minimum thickness tabulated as follows: Diameter of Pipe Min. Wall— Thickness-Inch (Inch) 18L40 C. 1. 21/45 C.I. 4 0.35 0.35 6 0.38 0.35 8 0.41 0.38 10 0.44 0.41 12 0.48 0.44 14 0,55 0.51 16 0:58 0.54 18 0.63 0.58 Cast iron pipe joints shall conform to AWWA Clll -64 and may be either "Mechanical Joint" or "Push On" type at Contractor's option unless specifically stated other- wise in the Special Provisions. 4.3 Asbestos Cement Pipe shall conform to AWWA C400 -64T as herein excepted or further c arified. An affidavit of compliance shall be furnished in accordance with Section 5 of AWWA standard. Pipe class shall be for a working pressure not less than 200 p.s.i. for 6" pipe and be in standard 10 ft. or 13 ft. lengths. 8" and larger pipe shall be for a working pressure not less than 150 p..s:i. and be in standard 13 ft. lengths with 10% permissible shorter random lengths allowed as per AWWA standards. Asbestos- cement pipe couplings shall include an asbestos- cement sleeve, of the same composition as the pipe, and two rubber rings. The couplings_shall be machined so as to insure a tight.joint with the pipe. The rubber rings used to'seal the joints shall conform to the requirements of the latest revision of ASTM D 1869. Page 63 R Jan 28'14 i0 I• I0, �0 �0 Item Water Distribution System 4.4 Fittings for Cast Iron and Asbestos Cement Water Distribution Pipe shall be cast iron conforming to AIWA C110 -64 designed for a working pressure of not less than 150 p.s.i. nor less than the design pressure of the pipe in which they are installed. All fittings shall have AIWA standard bituminous outside coatings and cement- mortar Linings. Fittings for direct burial underground shall have mechanical joints and where such buried fittings cannot feasibly be restrained by concrete blocking they shall be equipped with retainer glands or tie rods to prevent joint separa- tion. Fittings installed in exposed locations shall have joints flanged with ASA 125 lb. flanges unless noted otherwise, or if installed with pipe rated great- er than 150 p.s.i. working pressure, flanges shall be rated equal to or greater than the design working pressure of the pipe. Gaskets shall be "Rainbow ", "Durable Garlock ", or approved equal. Gaskets eight (8 ") inch diameter and smaller shall be 1/16" thick; over eight (2") inch diameter shall be 3/32" thick unless specifically required otherwise by in- dividual job requirements. Dolts shall have American Standard Heavy Unfinished Hexagonal Heads and the nuts shall be American Standard Heavy Unfinished Hexagonal dimensions all as specified in American Standard for Wrench Head Bolts and Nuts and Wrench Open- ings (A.S.A. 8 12.2- 1941). All bolts or bolt - studs, if used, and all nuts shall be threaded in accordance with American Standard or Screw Threads (A.S.-A. B1.1- 1935), Coarse - Threat: Series Class 2 Fit. 405 Gate Valves shall open by turning left (counter clockwise) and all valves installed underground in the distribution system shall be mechanical joint, double disc, parallel seat type, and shall be iron body, bronze mounted; designed for 200 p.s.i. working pressure, 400 p.s.i. test pressure in sizes 2" through 12 "; and 150 p.s.i. working pressure, 300 p.s.i. test pressure in sizes 14" through 48 In addition to the above general requirements, gate valves shall be designed so that when closing or opening the valve, the discs move freely with the wedging mechanism in a collapsed position, thus eliminating abrasive action between the seat rings and the disc rings. To eliminate deflection of the valve discs, seating force resulting from the wedging mechanism shall be applied equally and at four separate contact points on the back side of each disc. All gate valves shall be equipped with "0" ring type packing. Lubri- cation of the thrust collar shall be accomplished by means of a special lubricant sealed between two "0" rings. Seat rings shall be screwed into the valve body. The disc rings shall be pressed or rolled into the discs in an approved manner. Both seat rings and disc rings shall be of bronze and shall make an absolutely watertight joint. The threads on the bronze stem shall be Acme threads. The stem for PAGE 64 Item Water Distribution System valves, size 16" and smaller, shall be made from rolled bronze rod with the collar formed by a forging operation. Stems for valves 18" and larger may be made from rod or casting. All iron castings; bonnet, body, discs, etc., shall be made from a superior quality of iron. Iron shall be tough and of even grain and shall possess a trensile strength of not less than 31,000 p.s.i. All bronze castings, except the stem, shall have a tensile strength of not less than 30,000 p.s.i. All stems shall be made from bronze having a tensile strength of not less than 60,000 p.s.i. In addition to the detailed specifications, above, all gate valves furnished for underground installation shall comply in all respects to the American Water Works Specifications, and shall be Mueller or approved equal. Valve keys shall be furnished only if specifically called for in the "Special Provisions" or "Proposal ". Valves installed in exposed locations shall generally comply with the above requirements, except with flanged joints and other special details as shown on the plans or in the Special Provisions. 4.6 Boxes For Gate Valves shall be furnished and Installed on all valves as shown on details included herein. Adjustment to final grade and pour- ing concrete base block where required shall be included in the price bid for valves and boxes. 4.7 Fire Hydrants shall be of proper length for 36" cover on mains unless specifically shown otherwise and shall have one (1) 42" pumper nozzle and two (2) 22" hose nozzcls, national std. threads. Fire hydrants shall open counter clockwise and shall be manufactured in strict compliance with the latest specifi- cations as approved by the American Water Works Association. In addition, other design features, as listed below shall be incorporated in the manufacture of the fire hydrants furnished under these specifications; (a) Fire hydrants shall be of the compression type which close with the pressure and shall be so designed as to provide for two drain ports that are an integral part of the main valve assembly and work automatically when the hydrant is operated. The main valve shall remain closed without loss of water in the event of a traffic accident. Hydrants shall have 5 -1/4" V.Q. (b) Fire hydrants shall be provided with a safety flange assembly, located at a point approximately 2" above the ground line, and shall consist of a two piece stem and barrel and designed so as to assure no breakage or damage to either the stem or upper or lower barrel in the event of'being accidentally struck by a vehicle. (c) Hydrants shall'be.of the dry top design with all working parts and operating threads sealed away from the water in either the open or closed position. 110" ring seal packing shall be used PAGE 65 • • • 10 is Item Water Distribution System to prevent water and oil leakage between the barrel and dry top of the hydrant. The stem shall be bronze lined where it passes through the 110" ring seals. (d) Provision shall be made so that lubricating of all hydrant working parts will be permitted without the removal of the hydrant bonnet. It is desired that a lubrication system be provided whereby oil is stored in a reservoir, and all bearing surfaces and working parts are completely force lubricated by the normal operation of the fire hydrant. (a) Hydrants shall be designed so that all maintenance. including the installation of extension sections, may be performed above ground with no excavation necessary. M It shall be possible by means of a swivel flange to face the hydrant nozzles in any desired position. (g) All iron castings shall be made from a superior quality of iron with even grain and shall possess a tensile strength of not less than 32,000 p.s.i. All bronze castings shall be made from bronze having a tensile strength of not less than 30,000 p.s.i. Fire hydrants furnished in accordance with these specifications shall be Mueller Improved or approved equal. Hydrant wrenches will not be required un- loss specifically included in the "Special Provisions" and "Proposal ". 4.8 Check Valves for Underground Piping shall be body, bronze mounted, with tilting disc designed to eliminate ing. Check valves shall be designed for the working pressure the valve is to be installed. Check valves underground shall unless otherwise specifically called for on the plans or in tl sions ". horizontal, iron slamming and pound - of the pipe in which be mechanical joint ie "Special Provir Check Valves for Installation Above Ground adjacent to water pumps or well pumps shall be Clayton No -Slam Check Valve No. 81; A.P.C.O. Slanting Disc Check Valves equipped with Dashpot; or approved equal unless specifically provided otherwise on the plans or "Special Provisions ". Check valves installed in exposed locations shall have the small con- trol piping protected with one (111) inch thich pre- molded Armstrong cork insula- tion tape wrapped. 4.9 Special Valve Pits: When check valves or special devices are re- quired to be installed underground, they shall be installed in valve pits which, unless specifically provided otherwise on the plans or "Special Provisions" shall be constructed from 12 ga. corrugated galvanized metal pipe with cast iron covers equipped with hasp and lock. Diameter of valve pit shall be sufficent to clear the valve at least three (3 ") inches at closest point. All exposed metal shall be painted with "Nitros" at the rate of two (2) gallons per 100 square feet of sur- face and two (2) coats of best quality of aluminum paint. 4.10 Pipe and Fittings Smaller Than 2" shall generally include only PAGE, 66 Item Watcr Distribution System service connections as covered by separate detailed specifications. Ho other types of small diameter pipes and fittings will be used in the system except with specific approva -l. of the individual installation. 5. Construction Methods shall be as set forth following herein and in event a situation occurs, not covered by this specification, the requirements set forth in AIV , Standards 0600 -54T, "Installation of Cast Iron beater mains" and 6603 -64T, "Installation of Asbestos - Cement Water Pipe" shall govern. 5.1 Reccivi_ c Unloading and Distribution of ;Materials: All pipe, special castings, gate valves f -- , ire hydrants, and other fittings may be delivered by the Contractor on sidings or team tracks at available points, ns near the work as practicable. Should switching charges be lawfully demanded by the railroads, the Contractor will pay any such charges incurred. All pipe, special castings, gate valves, valve stems, etc., shall be carefully examined by the Contractor before unloading, and the attention of the Engineer and the Agent of the Railroad called to breaks, cracks, or other defects. A certificate of acknowledgement of defects, where such defects are caused by transportation, a receipt signed by the Agent of the Railroad with authorization to do so, shall be taken by the Contractor. All materials shall be unloaded at the Contractor's risk. All pipe, special castings, gate valves and fire hydrants shall be lifted by tackle not skidded or dumped off cars and trucks. Ho dumping or other rough handling will be permitted. All pipe and other material shall L•e transported to site of trench and distributed in such manner as to be convenient for laying and placed in such a manner as to afford as little inconveniDnce to tho- public as possible. Cost of unloading, transporting, trucking and distribution of materials shall be included in the unit prices bid for material in place, it being intended that no separate price be paid for any unloading, transporting or distribution of material. 5.2 Pile Laying: 11 pipe, castings, valves and fire hydrants shall be thoroughly cleaned of all dirt and trash before lowering into the trench. Pipe and appurtenances shall be lowered into the trench by derrick, crane, side boom or other means capable of completely liftin- the pipe - - - not dumped or rolled in by ropes. Before lowering, and preferably while suspended, pipe shall be rung with a light hummer to detect craci:s or flaws and shall be carefully examined to see that the insidQ of the pipe is clean. After lowering in the trench and before "stabbing home ", the interior and outside of the pipe joint shall again be cleaned of any dirt, mud, or other forci;;n matter. Each joint of pipe shall be swabbed while suspended in air. During the process of sterilization of the installed pipe, as specified herein, should the newly installed lines produce excessive mud or other foreign matter or rail to produce the calculated discharge quantity, the Contractor shall pay the full cost of such cleaning, rt-moving sections of pipe for inspection or installing clennouts as may be required to correct the situation. PAm Gel 0 I• I op 10 10 item Water Distribution After pipe and fittings hava been placed in correct alignment and driven "home ", a mound of earth, free from rocks, shall be placed back of each joint and In the middle of each full joint of pipe, these mounds shall be rammed and tamped In such a manner that the pipe will be held securely in place. The remainder of the backfill'shall be accomplished In accordance with the Item, "Trenching for Water or Sewer Lines" contained herein. At the end of each day's work, or•if the incompleted pipe line is left unattended, the Contractor shall securely block the open end of the pipe by means of a suitable size "Test Plug" screwed sufficiently tight to prevent the entrance of surfac,: water into the pipe. The and of the pipe and the test plug shall be covered over with loose earth to a depth of approximately twelve inches to dis- courage molesting by unauthorized persons. Failure to properly block the pipe as specified will be sufficient cause to require the entire new construction to be rodded out and cleaned before additional pipe is laid or payment is authorized for the construction work. 5.3 Connections to Existigo, �stcm: Co+inections to the existing system may be made.by cutting in a tec, wye or cross in the pipe, by tapping sleeve and valve; or by cntcrin0.a plugged outlet on an existing fitting. No existing valves shall be manipulated without first contacting operating personnel of the Owner, and the Contractor,sholl notify the customers when service is to be temporarily off. Payment for cutting in fittings or for tapping sleeve and valve shall be at the unit price bid for each. Extra paymcht will be made for wet connections at existing plugged outlets at the unit price bid per each, such wet connections being defined as connections under pressure that cannot be substantially valved off. Mon- rrussure connections (which may flow some wcter by gravity or through leaky valves) will not be paid for s:parately unless a separate piny item is 5Vucifieally called for in the "Special Provisions" and /or "Proposal ". 5.4 Rubber Gasket Joints: Mechanical joints or push -on joints shall conform to American Standard Spcc i f i cat i on A21.11 (t;.11.1J.A. -C•1 11 -64) , and shall be installed with the "Notes on Method of Installation" as contained in the above listed speci�a:ication, uxeept that all bolts shall be tightened with torque wrenches. The use of regular socket wrenches will not be permitted. 5.5 Setting Gate Valves: Gate valves sholl be installed as per detail drawing herein cnd se- with st:;ms truly vcrtieal. Ccst iron valve boxes shall be set to grade. CARE SHALL BE TAKEiI TO CENTER TIME VALVE STEM IN THE VALVE BOX. Base of valve box shall be supported on bricks or concrete blocks and shall not rest upon the pipe or valve. 5.6 Setting Fire Hydrants: Fire hydrants shall be installed as per detail drawing herein and set truly vertical upon a flat rock or slab of concrete, and backed up in the some manner, four to six inches in thic;cness and sixteen to eighteen inches square. Case of hydrant below and above "weep holes" shall be surrounded with approximately six cubic feet of clean crushed stone or coarse gravel which is free from e,_menting material., Ground line grade should be set in all cases at such a location and such a grade that spanner wrench will rotate froc:l� on all hose connections to the hydrant. Care shall be taken to clean thoroughly valves and hydrants of sticks, stones, dirt ur trash of pity kind prior to setting. PAGE 68 Item Water Distribution System 5.7 Hydrostatic Tests: The Contractor shall provide all necessary equipment and shall perform all work required in connection with the tests. The Contractor shall provide two pressure gauges for this test. One gauge shall be located at the pump and the other gauge shall be located at a remote or low point on the system. All pipe shall be tested by hydrostatic pressure fifty (50 %) percent in excess of the normal working pressure. Each section tested shall be slowly filled with water, care being taken to expel all air from the pipes. If necessary, the pipes shall be tapped at high points to vent the air. The required pressure as measured at the point of lowest elevation, shall be applied for not less than one -half hour; and all pipe, fittings, valves, hydrants and joints shall be carefully examined for defects. The Contractor shall furnish two (2) copies of Tabular Record of these tests which shall show location of pipe, date, time of day and gauge readings. Leaking joints shall be replaced and made tight. No pipe installation will be accepted . unless and until the leakage (evaluated on a pressure basis of 150 p.s.i.) is less than 100 U.S. gallons per 24 hours, per mile, per inch, nominal diameter for pipe 121 in length; 75 U.S. gallons for 16' lengths, and correspondingly varied for other lengths of pipe. Evaluation of the actual leakage to the leakage under the assumed basis pressure of 150 pounds p.s.i. shall be calculated by the application of the ratio determined from the square root of the respective pressures. Although it Is provided herein before that none but sound pipe, specials, etc., are to be laid in the work, and that the Contractor shall properly assemble or make all joints, nevertheless, it is to be presumed that leaks or other defects may develop after the trench is backfilled. The Contractor shall repair such leaks or defects at his own expense until the system is accepted by the Owner. 5.3 Sterilization of Completed Line: Before being placed in service, the entire line shall be chlorinated. Chlorine 'may be applied by the following methods: Liquid chlorine gas -water mixture, direct chlorine gas feed, calcium hypochlorite and water mixture, or dry calcium hypochlorite distributed along the line as it is laid. The chlorinating agent shall be applied at the beginning of the section adjacent to the feeder connection and shall be injected through a corporation cock, or other connection or it shall be uniformly distributed along the line insuring treatment of the entire line. Water shall be Ted slowly into new lines with chlorine applied in amounts to produce a dosage of 40 to 50 p.p.m. Mains previously filled shall be PAGE 69 I• U I. I• 19 1! item Water Distribution System a concentrated dosage at intervals along the line and retained for a period of eight hours or more. A residual of not less than 5 p.p.m. shall be produced in all parts of the line. During the chlorination prQcess, all valves and accessories shall be operated. After chlorination, the water shall be flushed from the line at its extremities until the replacement water tests are equal. Chemically and bacter- iologically, to those of the permanent source of supply. Liquid Chlorine: Chlorine gas -water mixture shall be applied by means of a solution -feed chlorinating device. Chi•orine gas shall be fed directly from a chlorine cylinder equipped with suitable device for regulating the rate of flow and the effective diffusion of gas within the pipe. Calcium hypochlorite shall be comparable to commercial products known as 11H.T.11.", "Perchloren ", and "Maxochlor ". A solution consisting of 5% of powder to 95% of water by weight should be prepared. The calcium hypochlorite and water mixture, first made into a paste and then thinned to a slurry, shall be injected or pumped into the newly laid line under the conditions specified hcreinbeforc. The following procedure is recommended for the disinfection of a new water system: Fill'the elevated storage tank and thoroughly flush all water mains until the tank is nearly empty and until all evidence of any foreign substance which may have gained entrace to the system during the construction have been flushed out. With the water level in the tank at or near the bottom of the bowl, .add a chlorine solution containing 15 pounds of calcium hypochlorite (70% available chlorine) dissolved in 15 gallons of water, and continue pumping from the water supply until the tank is full. After this chlorinated water has been in the tank for two hours, flush the system to draw this chlorinated water into all parts of the distribution piping. Allow this heavily chlorinated water to remain in the distribution system for not less than ten hours; then flush out the water remain- ing in the storage tank and refill by pumping from the source of water supply. 5.9 Approval of Materials; All materials shall be accompanied by the manufacturer's certificate of compliance. The Owner may make any pertinent laboratory or plant tests he desires. 6. Measurement. Water pipe of the various types and sizes will be measured by the linear foot in place of actual pipe length, exclusive of fittings. Reinforcing steel will be measured by the pounds in place. Concrete of the several classes will be measured by the cubic yard in place, except concrete for restraight blocking unless specifically included in the "Special Provisions" and /or "Proposal". PAGE 70 Item Water Distribution System Metal pipe casings will be measured by -the linear foot In place. Boring for casing will be measured by the linear foot clear between pits. Valves, fire hydrants and valve boxes will be measured by units of one in place. Wet connections will be measured by units of one connection each. Fittings will be measured by the short ton of two thousand (2,000 #) pounds in place. 7. Basis of Payment. The price bid per linear foot for the various sizes of water pipe, com- plete in place, shall be full compensation for furnishing all material, trans- portation, equipment, labor and incidentals, including trenching and backfilling. The price bid for the various size gate valves shall include the box and all material, labor, equipment, excavation and backfi)l and incidentals necessary to set the valves with the service box in place ready for use. The price bid per ton for fittings shall be full compensation for furnishing all materials, tools, labor, equipment and incidentals necessary to complete the work, including all restraint blocking, ties and accessories. The price bid for each fire hydrant shall be full compensation for the fire hydrants, concrete or stone base, all labor, materials, equipment, excavation and backfill necessary to set the hydrants in place and ready for use. Concrete trestles supporting pipe will be paid for at the price bid per cubic yard for Class "A" Concrete and the price bid per pound for Reinforcing Steel. Special piers, as detailed, will be paid for per each complete in place. Where pipe is encased in concrete, the concrete will be paid for at the price bid per cubic yard for Class "B" Concrete. Where water pipe is carried on concrete piers, concrete piers will be paid for at the price bid for Class "A" Concrete and the price bid per pound of steel. Pipe casing, of the various sizes required, will be paid for at the unit price bid per linear foot in place. Wet connections, if price is requested in the proposal, shall be paid for at the unit price bid per each connection. Boring for casing (including annular grouting, unless specifically omitted by the "Special Provisions ") shall be paid for at the unit price bid per linear foot clear between pits. PAGE 71 07 FIRE HYDRANT AS SPECIFIED • ti 1p 1... ?� NOTE: DEPTH OF HYDRANT LEAD 0 BURY OF HYDRANT SHALL CONFORM TO COVER GRADE -�� CT / O S d O D A o O s � .2 CU. FT. MIN. �� • • GRAVEL; FILL • D ° c '° o � s � o o r► 0 Oii p POURED CONCRETE THRUST BLOCK- h' :: ;,•. 1 PROTECT DRAIN o OPENING e. 0 0 PRECAST CONCRETE BLOCK OR BRICK BASE SLAB cm Or NORTH RICHLAND HILLS TF.X AIR FIRE HYDRANT DETAIL KNOWLTON- RATLIFF- ENGLISH- COLLINS CONSULTING ENGMFE S MtRMrr►n Kr WRR a "'1' "'v It-Aft OOL. 1ft.i auw..• wis ;•.r. a... PAGE 72 arrCa�on, KEE - NOTE: ALL ITCMS 5110Wn InCLUDEO IN VALVC 0 OOX UNIT PRICCe COMPLETE IN PLACC. �aM 7 QVf .r(GRADE ,c•-- • VALVE BOX 0 COVER T.V.I. Q, S. NUMBER .401•S@462 -S#0R 002.8 rr nn !WATER LINE VALVES -IN YARDS OR OTHER AREAS NOT SU8JECT; TO TRAFFIC miff # ` \ GRADE • '} ; '. • i•rr••�� m vALVE BOX 0 � Y z COVER TO BE T.V.1. G S 4 5059 f m ❑W mW uH � G "CJ.PIPE .ice WE ATER LINE VALVES WITHIN ROADWAYS OR OTHER PAVED OR SURFACED AREAS CTIY• OF NORTH RICHLAND HILLS TF: \AS WATER VALVE & BOX DETAIL KNOWLTON- RATLIFF -E NGLISH-COLLINS CONSULTING ENGINEERS _ 06"'.41a.n WRR .ninny. n•tr, OCT. , 1967 F.r► Ih PAGE 73 :.S � � r , • ', CM� .R� ETE THRUST ©L L PLUG '7 0 10 1 11 ! T R E C H CONCRETE iHRUBT GLOM �.. remit „� �• . PAGE 74 CONCRCTE MR THRUST 81.00K8 SHALL CC CLASS V CITY OF NORTH RICHLAND HILLS TFAM TYPICAL THRUST BLOCK DETAILS NOWLTON- RATLIFF -E NGLISH-COLLINS CONSULTING ENGINEERS r►w�.►�N. WRR OCT., 106T RAVW rh Wk, e►neo m NEE Item SEWER PIPES AND STRUCTURES 1. Description. This Item covers the furnishing of materials and work necessary for the construction of all sewer mains, laterals, manholes, cleanouts, and other appurtenances and incidental work as shown on the plans. Sewer service connec- tions are covered under a separate standard specification. Lift stations treat- ment facilities and other special installations will required separate detail specifications. 2. Trenching. Trenching and backfilling shall be done in conformity with the Standard Specification Item, "Trenching and Backfill for Water or Sewer Lines" herein. 3. Selection of Tyne of Pipe; 3.1 All 4" sewer pipe shall be vitrified clay with factory formed joints, or at Contractor's option, 41, cast iron pipe with push -on rubber gasket joints may be used. 3.2 Unless specifically stated otherwise, all sewer pipe from 61, to 12" nominal size inclusive shall be vitrified clay, standard strength unless extra strength is specifically called. for. Sewer pipe joints shall be factory formed if any free moisture exists in the trench; otherwise, if trench Is dry, hot poured plastic joints will be allowed at Contractor's option. 3.3 Pipe up to 12" size for above ground spans on piers shall be min. Class 150 cast iron conforming to the separate standard specification for C.I. water pipe. 3.4 Pipe sizes larger than 12" shall be of type determined or approved by City on the basis of individual conditions prevailing. 4. Material Specifications. 4.1 Vitrified Clay Sewer Pik and fittings for standard strength clay sewer pipe shall conform to A.S.T.M. Specification C 261 -60T or the latest revision thereof. Extra strength clay sewer pipe and fittings shall conform to A.S.T.M. Specification C 278 -60T or the latest revision thereof. 4.2 Factory Formed Joints for vitrified clay sewer pipe shall conform to the standard specifications for "Vitrified Clay Pipe Joints using materials having resilient properties ", ASTM designation C 425 -64. PAGE 75 11 Ii 1• 1• 1• 140 Item Sewer Pipes and Structures 4.3 Hot Poured Field Joints shall be made with hot poured plastic, type bituminous joint compound. Joint material and primer shall :;e GK Compound and Atlas 3`1 Primer as manufactured Ly Atlas Mineral Products Company, or approved equal. Joint material shall :.c applied in strict compliance with the material manufacturer's recommendations except that all pipe shall �e primed re;lardless of trenc'-, condition. rNo hot poured or cast in place joint shall :e k,sed when water is in the trench, nor shall water be allowed to rise around the pipe Zefore the joint has set. 4.4 Approval of Materials: All materials to :;e incorporated in the cormtpleted work shall a subject to approval as to conformity with these speci fications Materials received'on the project shall ►:e accompanied by an invoice completely identifyin; the quantity, quality and source of the mater:t -na.. The manufacturer's certificate of compliance to the specifications shall Le ,shown, on the invoice or attached hereto. Payment for material for which invoices have not been furnished will not be allowed. R 5. Construction Methods. ` Construction methods shall event a situation occurs that is not recosallendcd pract i ca for "I n s t a 11 i n:: govern. _la as specified following herein and in covered by these specifications, then the Clay Sewer Pipe," ASTM C.12 -64 shall 5.1 P i pe Bedd i n.-., The pipe shat 1 Ive placed on the natural undisturbed earth found4aion, which has;Leen carefully shaped to fit the lower part of the pipe exteriors for at least'15% of its overall hei�, -ht. Bell holes or recesses for ':ells of the pipe shall ;.e.`excavated for every joint, and shall Lc of sufficient size and depth to relieve the '.ell of all load, permittin; the barrel" of the pipe to '-e firmly 'L•edded. t,+rou; hou -t its entire len;:th, and to provide ample spaca for makin; t'-.e joint. $ 2 Joint Constrl ;ction; Pipe joints, whether factory formed or job poured, `shall `e installed in a manner to exclude infiltration and final respon- si'_•ility for water ti ;.t joints s:iall rest with the Contractor. Wpen joints are poured,- ma.terials shall 'e applied in strict compliance wit:i the material manu- facturer's recommendations except t':at all pipe shail'be primed regardless of, trench condition. No trot poured or cast in place joint shall '_:e used wren water is in the- tronch, nor shall water 'je allowed to rise around the pipe- .Vefore the joint has,' sut. In dry trend condi t ions w. en poured joints are allowed, ,tests of exfiltration, infiltration or other observations of joint tight"sa;-may "e made and if it is revealed that the joints are not teeing made watertight, the Contractor wtl:l-be required to use all factory formed joints without extra com- pensation the price bid for poured joints. Permissible leakage;: by,, infiltration or exfiltratiun shall generally not exceed 500 gal. ppr.riinch.of diameter per day per mile of sewer under 2 ft..nead of water. 5.3 Connections; All connections which are for futUre use shall be properly capped with clay the stoppers and sealed with bituiainous joint com- pound or factory formed seals. 76 Item Sewer Pipes and Structures Deep cut service connections shall be constructed as shown on the plans and at locations as designated. Wyes for service connections shall be installed where shown on the plans or where directed. Service connections are further covered in detail under separate standard specification item. 5.4 Trench Spans - Pipe Crossing Trenches: Where existing sewer mains or laterals are crossed, they shall be replaced by a section of cast iron pipe of the proper size and constructed in accordance with details as shown.on the plans, or as may be directed. Tn the event lines of other utilities, pipeline companies, etc., are crossed, the Contractor shall notify such parties in advance of construction and the Contractor shall be responsible for avoiding any damage to such other lines. 6. ' Sewer 'Structures . 6.1 Concrete Work: Concrete work shall conform to the plan` and to the applicable portions of separate items, "Concrete, Materials and Mixing" and "Reinforcing Steel" herein. 6.2 Concrete Cradles: Where called for on the plans or when ordered, concrete cradles o£ Class "B" concrete shall be con - structed,for the'full width of the trench bottom and to the sections as detailed on the plans. The pipe shall be set and held to true line and grade by wedges, blocks or other approved method. Pipe that is allowed to become dislodged or floated from the true line and grade shall be replaced to line and grade by the Contractor at his own cost and expense. 6.3 Manholes: Standard Manholes shall be cast in place or pre- cast concrete with cast iron frames and covers as shown on the plans. Foundations of the manholes for the sewers shall be of Class "A" concrete. The foundations shall be included in the unit price ~bid for manholes. Invert may be formed directly in the concrete of the manhole. base; it may consist of half tile laid in the concrete base, or it may be constructed by laying full section sewer pipe straight through the manhole and cutting out the top half after the concrete base is constructed and sufficiently set. Invert channels shall be smooth, accurately shaped and in accor- dance with the plans. Form marks and offsets up to 1" will be permitted on the outside surface of the manhole barrel section. Form marks and offsets up to will be permitted inside-of the manhole barrel section. All offsets. on the inside surface of the manhole barrel section will be smoothed and plastered so there is no projection or irregularity capable of scratching a worker or catching and holding water or solid materials. ^'% •re n.,,... '7'7 so Honeycomb will be plastered with a mortar consisting of 3 parts of masonry sand to 1 part Portland cement immediately upon removal of the forms. t Brick work for manholes shall be in accordance with standard practice. All brick in manholes shall receive an outside mortar coating of h -inch thickness. II 19 1• 10 Is r M Page 77 (cant' d') I* 1• 1• I0 C7 a A _9 -23 —Td Page 78 Item Sewer Pies and Structures Perma -step steps shall be installed as shown on the plans. The steps shall be staggered horizontally at 12" C -C and vertically spaced at 15" C -C. 6.4 Frames, Covers and Gratings: Frames, covers and gratings shall be of the type and duty shown on the plans. Iron castings it shall conform to the Standard Specifications for Gray Iron Cast- ings, A.S.T.M. Specification A- 48 -41, Class 20. All castings shall be true to pattern in form and dimensions, free from - faults, sponginess, cracks, blowholes and other defects _affecting their strength. Gratings and cover shall be standard design of the'manufab- turers of this material for the desired use. Bearing surfaces between cast frames, covers and grates shall be machined, fitted together and match - marked to prevent crocking. 6.5 Cleanouts: Cleanouts shall be constructed where shown on the plpgn?. Materials shall conform to the applicable portions of the specifications herein. 1• 1• I0 C7 a A _9 -23 —Td Page 78 Item Sewer Pipes and Structures 6.6 Manhole Orops; This item shall include the wye, sewer pipe for stack, Class "l3" Concrete and all necessary labor, accessories and materials required to join and drop the entering sewer into the standard manhole as shown on the plans. 7. Maintenance. All sewers and sewer structures shall be thoroughly cleaned and maintained in workable condition until final acceptance. 8. Connections and Operations of any Sower or Orain.: The Owner shall: have the right to make connections -with and operate any and ail parts of the sewer or drain when 'such connection does not in any way interfere with the progress of t.-ie work. it is understood that by making such use o €.connections, the Owner does not accept the sewer or waive his right to object to any defects found therein -until the same has been finally inspected and found to be in accordance with t, he contract and specifications. 9. Measurement. Sewer pipe of the'cl.ess stated in the Proposal or in the "Special Provisions" of sizes up to and including 12" inside diameter, will be measured by the linear foot complete in place scp��rat_„frtrench and backfill. Sewer pipe of the class stated in the proposal or in the "Special Provisions" of sizes 15" and larger inside diameter, will be measured by the linear foot complete in place including trench and backfill. Cast iron force main of the size called for in the Proposal shall be measured by the Linear foot complete in place, including trench and backfill. Tunnelling will be measured by the linear foot. No additional excavation or trenching will be allowed within the limits of tunnelling. Casing will be measured separately by the linear foot in place. Standard or minimum depth manholes, up to five (59 feet deep, will be measured by the unit of one complete including all necessary material and labor. Additional depth for manholes, deeper than five W) feet will be measured by the linear foot. Manhole drops will be measured by the unit of one. Measurement will not include the standard manhole or.any additional depth. Cleanouts shall be measured by the unit of one complete in place as detailed on the plans. Wyes and tees will be measured by the unit of one including or excluding trench and backfill,according to the size of the run. No separate pay will be made when wyes or tees are included in Standard or Deep Cut Sewer Service Connections. PAGE 79 :J Item Sewer Pipes and Structures Concrete cradles, piers and concrete used for encasing pipe will be i measured by the cubic yard of the various classes complete in place. Reinforcing steel as called for on the,plans or as ordered will be measured separately by the pound. 10. Basis of Payment. The unit price bid per linear foot for sew::r pipe of sizes 12" inches and smaller, of the classifications required in the proposal, will be full compensation for furnishing all material, labor, equipment and incidental work required to complete the lines ready for use, except trenching, which will be paid for separately in conformity with Item, "Trenching and Backfill for Water or Sewer Lines" herein. The unit price bid per linear foot for sewer pipe of size 15" inches and larger shall include the trench of the various depths called for in the Proposal. The unit price bid per linear foot for force main of the side called for shall be full compensation for furnishing and installation complete includ- ing trenching and backfill. The price bid for minimum depth manholes and the price bid per additional foot of depth for manholes, complete in place, shall be full compen- sation for furnishing all materials, labor, equipment and incidentals necessary to construct the manholes, including excavation and backfill and concrete foundations. For drop manholes, additional compensationwiil be allowed by payment at bid price; for manhole drop complete in place. The price bid for this item i shall not include the price of the standard manhole. Payment for wyes and tees used in the sewer lines ( oxcept when included in service connections) will be paid for at the unit price bid, which price shall be full compensation for all materials, equipment, labor and incidental work necessary to complete the work. r The price bid for each cleanout shall be full compensation for all materials, equipment, labor and incidental work, including excavation and backfill, necessary to complete the work. The price bid for each standard connection or deep -cut connection, as the case may be, shall be full compensation for furnishing all additional material, equpment, labor and incidental work necessary to construct such standard connections or deep -cut connections complete in Place as detailed on the plans. Sewer pipe of the various sizes and classes, where placed in tunnels or casing, will be paid for separately. PAGE 80 Item Sewer Pipes and Structures Corrugated metal pipe casings for sewer lines at roads or other crossings will be paid for in addition to the: sewer pipe and tunnelling at the price bid per linear foot for corrugated metal pipe. This price shall be full compensation for furnishing all materials, equipment, labor and incidental work necessary to complete the work. For method Payment for tunnelling, see Item, "Railroad and Highway Crossings ". Where sewer pipe is encased in concrete, the concrete shall be paid for at the unit price bid per cubi yard for Class "E" Concrete. Where sewer pipe is carried on concrete piers, the concrete piers shall be paid for at the price bid for Class "A" Concrete, and the sewer pipe shall be paid for at the unit price bid for the class and size of pipe used. Reinforcing steel will be paid for by the pound complete in place. The price bid par each for "Trench Span" of the various pipe sizes for "Pipe Crossing Trenches" shall be full compensation for furnishing all material, equipment, labor and incidental work necessary to construct trench span comp l ctc in place. PAGE 81 go is 1s 1* 10 le , �0 6 a `,A6' -" IyttN UPA 3,000 P.S.I. �% ; • ' s CONCRETE VARIES (90° -1350) ' s ST..4 I j t to A PLAN NOT TO SCALE STANDARD FRAME 8 COVE TRINITY VALLEY NO. 672 GI OR EQUAL. 2 °x 8 "x 24" DIAMETER PRECAST""" + ' ' t REINFORCED CONCRETE GRADE 2 -O RING OR RED FACE BRICK (SET IN MORTAR BED 8 BRING',] ?y TO GRADE) CONCENTRIC OR ECCENTRIC M.H. CONE, CONTRACTORS OPTION UNLESS OTHERWISE;: SPECIFIED, REINFORCED CONCRETE PIPE, INSIDE DIAMETE C -76, CLASS T!I WITH RUBBER O -RING GASKET JOINTS, BELLS TURNED DOWN__ OUT CONCENTRIC OR ECCENTRIC M.H. CONE, CONTRACTORS OPTION UNLESS OTHERWISE SPECIFIED. 11 N _w fY a VARIES (90° - 1350) O o M- � L 'o n LL m > a o � J n. w c a• BOTTOM SECTION OF MANHOLE g ' SLOPE I" PER IS AVAILABLE IN- LENGTHS OF FOOT TYPICAL a ONE (i), TWO (2), OR- THREE, (3)— y �6 z FEET TO BE SET QN i l0E :" ._ ^� o LEVEL GROUT.. FILL ANNULAR, SPACE W.I.TH r ,w PARAPLASTIC OR..�PPROVED Q,� l w EQUAL. > FLOW LINE 6' !�' MINIMUM! - 11 - 1 NOT TO SCALE NOTE: 1. TYPE "A" PRECAST CONCRETE SECTION A -A PIPE MANHOLE TO BE USED WITH IATV OF' SEWERS 8 INCHES THROUGH 36 NOT TO SCALE INCHES IN DIAMETER WHERE SPECIFIED. 2.WHEN PLASTIC OR COMPOSITE SEWER PIPE IS SPECIFIED THE CONNECTION OF THE SEWER PIPE TO THE MANHOLE SHALL BE ACCOMPLISED BY USING MANHOLE COUPLING OR RUBBER RING WATER STOPS AS RECOMMENDED BY THE PIPE MANUFACTURER q_23-7Z Pa.ca S2 N 83 7 7r MANHOLE RING O COVER AS SHOWN BELOW SET IN MORTAR STREFT SURFACE Iz" MAX. PROVIDE PRECAST ADJUSTMENT RINGS OR CLAY BRICK a MORTAR OR COMBINATION MANHOLE TOP FOR STREET INSTALLATION CAST IRON MANHOLE FRAME AND COVER (TO BE FURNISHED AND INSTALLED BY CONTRACTOR) T.V.1. 9 S. NO. 672 OR EOUAL NOTE: L TYPE "A", CAST -IN- PLACE CONCRETE MANHOLE TO BE USED WITH , SEWERS 8 INCHES THROUGH 36 INCHES IN DIAMETER WHERE SPECIFIED. 2.WHEN PLASTIC OR COMPOSITE SEWER PIPE IS SPECIFIED THE CONNECTION OF THE SEWER PIPE TO THE. MANHOLE SHALL BE ACCOMPLISEO BY USING MANHOLE COUPLING OR RUBBER RING WATER STOPS AS RECOMMENDED BY THE PIPE 'I MANUFACTURER. _ Pae NOT TO -SCALE CITY or NORTH RICHLA'Nb FILLS i'P'ANpARD TYPE A CAST-IN-PLACE CONCRETE MANHOLE KNOWLTON- RATLIFF- ENCLISH'ELOWERS, INC E� +CJ�'MIRiAIICMtICIS+S+�NMRS�/e4 weiM. -B.M� DEP4NlD lY: B. P �. llfYlYO�f 0 71• Y CT. 1972 w OAS% tY f/MSOI ov— a- J. H.G. - 8 . P. F. «a■, .M, or a,tuto erg ". ...........�... 96;# Cast Iron Cleanout Boot f u 3-0 x31-0" Concrete Base i 6" Cleanout Stack ' Concrete Cushion Requi red. for rock * �A 3" Hinimum ---118 Bend Plug {� Special 27° Dallas Wye �•. ,�...... - �,. Class "B„ Concrete A i'TY nF . NORTH RICHLANU HILL5 TF'\ le CLEANOUT DETAIL. KNOVATor-4- RA T1IF €- ENcus�- INC. - «;,�;./ ^ti.wertlrK.+tt1;lS Awwwll.f�n wew..JrY� 3�T1 !Y 9'tiI]l 7itA�w+ Vr_ Y�J J . :S . S:y ,-p Pipe to Piers with 1 1$11 Straps 2" ride. Use hooked bolts 12 :► [on, and 112" diameter & nuts Jx 71 0 0 )1r_='r nT= '7I� i 1 i N4- 2„ i Slope both Sides I" Horiz TO 11-00 Vert. � #5 Bars 2 each face 5 " rl PIERS Cuss "A" Concrete 0 d Pi X Y4 Bars at 12" O.C. both raYs Class ".81 r Concrete ANCHOR BLOCK rrrt OF NORTH RICHLAND HILLS PIER AND ANCHOR. BLOCK . :" K�wt= ors- K.tirescl:- •E:•cusH- Fzaw�as. i�•c its �.won e"*t' to C. 197? D." n sr.Lot --"- _ �.n.o e. P. F. �• .tom" V •. b . ` .^•�� .may; . ••�is of .•Q• o• �,••,:• ,A. O n_ Pioe Slope both Sides I" Horiz TO 11-00 Vert. � #5 Bars 2 each face 5 " rl PIERS Cuss "A" Concrete 0 d Pi X Y4 Bars at 12" O.C. both raYs Class ".81 r Concrete ANCHOR BLOCK rrrt OF NORTH RICHLAND HILLS PIER AND ANCHOR. BLOCK . :" K�wt= ors- K.tirescl:- •E:•cusH- Fzaw�as. i�•c its �.won e"*t' to C. 197? D." n sr.Lot --"- _ �.n.o e. P. F. so No Varies Varies, NormnaL Trench 24)0 24 Min. "Soil Pipe or Cast Hin, Jl J Iron Pipe oint as Required uooer Cas�et­--, Concrete Concrete Pipe to S % Z Existind Cast Iron Pipe Adapter or Ti La Sewer Hain being installed in this Contract. i0 lfini.num Bearing on ecch side of Trench ivill be required. • Tote: As shcwn 24 0 No joints zvitL be allowed in Athe span of the Trench. Contractor-shall furnish soil ;ipe or if necessar , U y, 150# "as t Iran Pipe of sufficient ., length to achiarse result, 0 ITY OF psI_ NORTH MCHLAND HILLS TEXAS TRENCH SPAN ITEM WATER SERVICE CONNECTIONS SINGLE & DOUBLE'" OU L I. Description. This item covers the tapping of_the water main, the furnishing and installation of the corporation stop, service pipe, Y .. marking .._ _.._ _ . on the _ q single meter yokes and U- branch and two meter yokes cn g y the :location.. as re u�:red for. each type of service as Show plans' The meter an. meter box are to be furnished and installed by the Owner unless provided otherwise in the Special Provisions. 'Water service conncctios shall be made by tapping the mains at specific points as shown on the p:lan.s or as directed. Service connections shall be`for "Single Service Connections "n=or "Double Service Connections" as shown on the water system-layout and shall be.constructed in accordance with the details attached hereto. Service taps shall be made after the mains have been laid and tested and while the main is under pressure. The work shall be accomplished by experienced workmen and proper suitable tapping machine and tools. Service-connections-may be installed either prior to construction of curb and gutter or immediatley after the curb and gutter is constructed and prior to replacement of street base; this sequence being subject to change with individual con- ditions. The copper service pipe shall be connected to the corpo- ration stop at the main and shall be shaped with a reverse or "S" bend at each end to allow for expansion and contraction of the pipe. The copper service pipe shall have a cover of twenty - four inches (24 ") below street subgrade except where the pipe rises toward its termination as it passes under the street curb, at which point the pipe shall clear the underside of the curb and gutter at least 12 ". Excessive bending of the pipe which will : injure or reduce the cross sectional area of the pipe will not be permitted. Wheh curb and gutter is existing at the time the ser- vice is installed, the meter yoke shall be located at the depth and distance back of curb as called for on the details attached hereto and the letter "W" shall be chiselled on the face of the curb opposite the yoke. When services are installed prior to construction of the curb and gutter, the service pipe shall be cut to proper length and shaped such that after the curb and gutter is constructed, the yoke can be placed in the position called for on the details attached; however, at the time of initial installation, the yoke shall be left about 6" deeper than final position to minimize the chance of its being damaged du -ring con- struction of the curb and gutter. Such services installed prior to curb and gutter shall be.referenced by attaching a tape of durable Page 85 0 Double Service Connections shall be made with a "U "- Branch with 1" inlet and two 3/4" outlets at 7�" c /c, Mueller H- 15364, and with two meter yokes as described above, Mueller H- 14033. Copper to copper couplings if needed for splicing shall be Mueller H- 15405, Copper to Iron End Connections shall be . Mueller Part H -15450 for inside 1.P. thread and Mueller H -15425 for outside l.P. thread. All material and workmanship shall conform to the appli- cable portions of the Item, "Water Distribution System ", as contained in these specifications. Where "Mueller" numbers are stated, equal products of other -,anufacturers may be used only if specifically approved. i R 9 - %3 -7^ Page 86 Item Water Service Connections, Single & Double bright colored cloth or plastic to the end of the service and backfilling the service in a manner which will expose the end of this tape above the ground after backfill. However, prior to backfilling over any service line, the Contractor shall contact the Owner's meter installment service man or other designated representative and obtain his signed statement that he has observed all the services in place and properly marked. Contractor shall furnish such signed statement with his request for final payment on any project. -. 2. Trenching and Backfill. All service line trenches shall be narrow cut normally 4" wide unless specifically authorized otherwise. All excavated material shall be removed from the site and the trench shall be completely backfilled with sand fill or granular bank run gravel of low shrinkage qualities. Backfill shall be thoroughly com- pacted and any after settlement shall be covered by the Mainten- ance Bond for correction by the Contractor. 3. Materials. Service pipe shall be one inch (1 ") for Double Service Connections and three - quarter inch (3/4 ") for Single Service 46 Connections; and shall be Type "K" copper pipe conforming to A.S.T.M. Class "A" Specifications and U.S. Government Specifi- cation WW -T -799. Curb stops shall be installed with each water service connection and shall be Mueller H- 15275. Corporation stops shall be Mueller H -15000 with straight coupling nut, no gasket required. Single service connections shall be made with a copper to outside l.P. Adapter, Mueller H- 15425, and a copper meter yoke for a 5/8" X 3/4" meter with lock wing stop and both ends 3/4" inside 1.P. threads, Mueller H- 14033. Double Service Connections shall be made with a "U "- Branch with 1" inlet and two 3/4" outlets at 7�" c /c, Mueller H- 15364, and with two meter yokes as described above, Mueller H- 14033. Copper to copper couplings if needed for splicing shall be Mueller H- 15405, Copper to Iron End Connections shall be . Mueller Part H -15450 for inside 1.P. thread and Mueller H -15425 for outside l.P. thread. All material and workmanship shall conform to the appli- cable portions of the Item, "Water Distribution System ", as contained in these specifications. Where "Mueller" numbers are stated, equal products of other -,anufacturers may be used only if specifically approved. i R 9 - %3 -7^ Page 86 4. Basis of Payment. The lump sum price bid for single or double water service connections as shown on the plans and called for in the proposal shall include excavation, backfill, tapping the main, the corpor- ation stop, the "U "- Branch, the meter yokes complete in place, and the location marking on the curb. Copper service line of the size required will be paid for separately by the linear foot including trenching and backfill. Page 87 R 9 -23 -74 50' STREET R 06. USUAL TR � WT R5- ILAR METER BOXY 3 O _ 1 3� 0�� METER BOX I _ I .� ASTOMER SERVICE Z 1 1; ; S RVIC R LINE. LINE NOT IN SERVICE LINES ROT -TN CONTRA T CENTER METER 3ro" BACK OF CURB AND CONTRACT ATER SERVICE LINE 14" BELOW TOP OF CURB MAIN TYPICAL STREET SECTION 3/4" COPPER 3/4% 3" BASS NIPPLE ADAPTER H 1 25 BACK of CURB Yom` H-I4033 j CURB STOP -14=5 � 5/8" 3/4!r ME-TER BY bVNER WATER MAIN I METER BOX BY OWNER 36 Ill, lit METER YOKE �? H -140 3 11 3 CUSTOMER SERVICE ' CURS STO P _ BY OTHERS lit 1Ll ' 3/4" COPPER 3/4 INSIDE t. P. 1,VATER .MAIN rr 3/4' COPPER To 3j4" 3 /4 CORPORATION STOP H -15000 OUTSIDE I.P. H�-15425 3/4r` COPPE • PROFILE VIEW SERVICE LINE WHEN MAIN IS ON l« ^* OPPOSITE SIDE OF STREET NORTH RICHLANU HILLS NOTE: IF SERVICE IS INSTALLED AHEAD OF WATER SERVICE CONNECTION — CURB 81 GUTTER, CUT & SHAPE PIPE TO FIT SINGLE POSITION SHOWN BUT BEND DOWN ABOUT 5' TO MINIMIZE CHANCES OF DAMAGE DURING ZONSTRUCTION OF CURB 81 GUTTER [� ;�(NO%,VLTON- RATLIFF- ENGLISH- FLOWERS, INC. SERVICE LINE COVER WiNINIUM 24' UNDER STREET SUBGRADE AND MINIMUM 12 UNDE? ;`ci..tr +aoe"rec cr. +��a »rnr we.w dw.._ BOTTOM OF CURB a GUTTER . T� ro sy qp as o•rf Ily sr S rMlo► a +rl: SHPT. 1974 K{'�2 _7/' e A CMrCK rJ Ay. Jp . WEl� MO. Of "r OTHER Wl THS SIMILAR METER BOX METER BOX i U ' ..,�.L —"'-- .....lilt :i ........ CUSTOM SERVICE ut ? y = LINE NO IN _ ^ e SERVICE LINES CUSTOMER SER ICE, CONTRDyCT CENTER METER 3 t BACK OF CURB AND LINE NOT i`I CTTRACT f SERVICE LINE 14 "BELOW TOP OF CUPS !II WATER MAIN III TYPICAL STREET DETAIL I" COPPER BACK OF CURB STOP YOKE C U, e- H- i33Cr£ 033 ' 5 /8"x 3/4 METERS, BY OTHERS FT H-- BRANCH WATER MAtN.�� METER. BOX BY .OWNER 'V _ MET R YOKE gat L — - 14033. nc CUSTOMER SERVICE BY OTHERS ist v ' I" COPPER i - WATER Marl CURB STOP �U- BRANCH, I" INLET H•+55eil- 3/4" OUTLETS T 1/2' �/C 15x75 H- 1 � 3/4" CORPORATION 3/4" COPPER STOP H 1:5000 SERVICE LINE WHEN MAIN IS ON PROFILE V1F-' OPPOSITE SIDE OF STREET CIl'l' OF OF RICHLAND KILLS NOTE= IF SERVICE IS INSTALLED AHEAD OF TENA', POSeov UHOUT AENSHAPE 0F }T 4 DDOWN AOUT6 �ER. SERVICE CONNEGHUN l Sw MINIMIZE CHANCES CF DAMAGE DURING CONSTRUCTION OF CURB a GUTTEjt. DOUBLE SERVICE LINE COVER MINIMUM 24 PNDER STREET SUSGRADE AND MINIMUM 12r UNDER BOTTOM OF CURB 8 GUTTER. KtiOWITOti•RATUFF I NCU+ti FLC7 teKS, IN( 1K.�[i R5.1K r.l ±G'tR •",�f ii r. »wv.•••,n•.... �sw etr+w.+nar JRP `[ +`sc+a vara SEPT :974 DetY sr ty-".0 ' .. �3�,?.n .� t�,ta to ♦r JRP LE ? - 2x•-74 I♦ 10" 1• 1• I* `ITEM SEWER SERVICE CONNECTIONS 1. Description. This item covers the materials and construction methods required for the installation of sanitary sewer service connec- tions as shown on the plans or based on application for connec- tions as approved by the Owner. Standard sewer service connections shall consist of the installation of a four inch (4 ") wye or service saddle, together with the 1/8 bend in trenches down to seven feet (7') deep. Deep -Cut sewer service connections shall consist of the installation of a four inch (4") wye or service saddle, an 1/8 bend, the service stack, a 1/4 bend and the encasement of the sewer main and we or saddle with at least six incnes (611) of Class "B" concrete. Separate payment will be made for the four inch (4 ") sewer service line to be extended from the standard or deep -cut connection at the main to a point normally three feet (3') back of the street curb line, or at the property line or other desig- nated point where the "house sewer" commences. All service connectios left for future tie -in by the property owner shall be properly closed water tight with a vitrified clay stopper and sealed with bituminous sewer joint compound or factory formed joint. Such services installed prior to curb and gutter shall be referenced by attaching a tape of durable bright colored cloth or plastic to the end of the service and backfilling the service in a manner which will expose the end of this tape above the ground after backfill. However, prior to backfilling over any service line, the Contractor shall contact the Owner's meter installment service man or other designated representative and obtain his signed statement that ne has observed all the ser- vices in place and properly marked. Contractor shall furnish such signed statement with his request for final payment on any project. Service connections as completed for payment shall conform to the details shown on the plans and the drawing attached to this specification. 2. Materials and Construction Methods. Sewer service pipe shall conform to the Item, "Sewer Pipes and Structures ". Trenching, backfill and replacing paving shall conform to the Item, "Trenching and Backfill" and "Replacing Street Paving ". All applicable items shall apply as amended by the "Special Provisions ". Page 90 Item Sewer ervice Connections 3. Measurement and payment for "Standard Sewer Service Connectiond' and "Deep —Cut Sewer Service Connections" to the various size mains will be made at the lump sum price bid for each of the two types, which includes marking and verification. Payment for four inch (4 ") sewer service pipe will be made separately in addition to the service connections and such payment shall include trenching, furnishing and laying the pipe and backfill at the price bid per linear foot, in the proposal. No deduction will be made from the length of the sewer main for the length of the sewer wye as installed for the sewer service connection. Page 91 I• 1• 1• I• 3' -0" Normal 4" Service Line _ Sewer (Same Note as Below) Main -j Begin Pay Item for 4" Sewer Service Pipe 3' -0" STANDARD SEWER SERVICE Normal All S - - - -- - 4-J.— ervice Line Where Customer Service Line is Not Installed, Plug Sewer with V.C. Stopper and Drive 2x4 Reference Stake as Specified. Begin Pay Item for 4" Sewer Service Pipe. Sewer Trench Walls Bend and Stack Pipe by Contractor and Shall be Included in Price Bid for Deep Service a, Connections. •r — o � , � L � RS •r 4- L d O F- a! o 6" of C1. "B" Concrete e e Around Wye and Bend as Shown. This Concrete Sewer Main Will be Included in :Price Bid for Deep -Cut - Service Connections. DEEP -CUT SEWER SERVICE NOTE: Top of Service Stack shall be Sufficient Depth to Provide Adequate Fall from the Facility to be Served. NORTH RICHLAND HILLS TEXAS SEWER SERVICE CONNECTIONS KNOWLTON- RATLIFF -E NGLISH-COLLIN CONSULTING F.NGINEIMS _ Ur =n:dtn ■t. W R R ■• uMM■ P%T.: OCT., 1967 FIT a:..M 81• WJS mn ttn, PAGE 92 1 oivrsttt..*- KEE ITEM STREET PAVING REPLACEMENT 1. Description. This item covers the materials to be used and the method of construc- tion required when pavement repairs or replacement are made necessary by cutting the existing pavement, surfacing or base material for the construction of water or sewer lines, except for open cutting State or Federal Highways. The type of replacement shall be equal to or better than the existing paving or surfacing at the time the trench is opened. 2. Gackfill. All backfill shall be in conformity with Section 16 of the Item, '`Trenching and Gackfill ", as contained in these specifications and the Special Provisions, as they may affect this item of construction. 3. Materials and Construction Methods. The materials and methods of construction paving replacement shall be such to provide a section of equal or better.condition than existed prior to the cut. Any of the following types may be specifically designated on the I)Imns or in the Special Provisions and in the absence of a specific designation, the 6" thick asphaltic concrete surfacing or approved equal section shall be sued. ,(a) Flexible Case Surfacing. After the full trench backfill of stone or other approved granular material has cured an approved iength of time, (but not longer than 21 days without specific approval) the six (611) inches shall be removed and replaced with crushed stone or other material meeting Owner's speci- fications for flexible base material. If backfill material met this requirement, it may be loft in place. The surface layer shall be wetted, mixed and compacted by tamping or rolling in such manner to provide minimum 95% proctor density in the upper 6" layer and leaving the surface smooth and level. In the absence of a governing specification for flexible base material, it shall meet the following requirements. Flexible base material shall be obtained from approved sources; shall consist of durable particles of gravel mixed with approved binding material; and..shall be free from thin or elongated pieces, ,lumps of clay, soil, loam, or vegetable matter. The material may be bank -run or binder may be added and incorporated by approved methods. Materials containing gravel or conglomerate over two (211) inches in their largest dimension shall not be used. The material wh.;n propurly slaked by standard laboratnry methyl shall meet the following requirements: PACE 93 so No I*' 1• 10 1• 1• Item Street Paving Replacement Retained on 2" Screen - - - - - - - 0% Retained on I" Screen - - - - - - - 20 to 60% Retained on 1/4" Screen - - - - - - 40 to 75% Retained on 40 Mesh Sieve - - - - 60 to 85% The material passing the 114 inch screen shall be known as "Binder ", and that portion of the binder material passing the 40 -mesh sieve shall be knmon as "Soil Binder" and shall meet the following requirements: _ The liquid limit shall not exceed- - - - - - -35 The plasticity index shall not exceed- - - - -12 The plasticity index shall not be less than- - 4 The linear shrinkage shall not exceed - - - - -7% (Note: The linear shrinkage shall be calculated from the volumetric shrinkage at the liquid limit.) (b) Flexible Base and Asphaltic Concrete Surfacing. The upper layer of trench shall be prepared with flexible base as in Section (A) preceding, except the surface of the flexible baso shall be finished uniformly 2" below the finished street surface. Thu existing asphaltic surface shall be smooth cut with power saw or other approved moans approximately 6" beyond edge of trench. The surface of the replaced base, adjacent ex posed base and the neat cut edges of the paving shall receive a tack coat of RC -2 asphalt applied at the rate of 0.15 gallon per square yard. After the tack coat has been applied, the remaining two (211) inches shall be filled with Hot Mix Asphaltic Concrete Type "D" in conformity with Texas Highway Department Standard Specifications, 1962 edition, Item 340. Duramix as supplied by Uvalde Rock Asphalt may be furnished as an acceptable alternate. This type of resurfacing may.be applied when specifically provied to Paving replacement for streets that are surfaced with existing asphaltic material of any dQscription, regardless of whether the existing surface is penetration type or asphaltic concrete. (c) 6" Thick Asphaltic Concrete Surfacing.. The upper layer of backfill shall be removed to 6" below finished street surface within the edges of the trench and the existing asphaltic surfacing cut back in a near line 6" beyond the edges of the trench. The surfaces shall be tacked as in (b) preceding, and the entire 6" layer filled and compacted to a smooth, level surface with Type "D" H.M.A.C. material. (d) Concrete or Brick Surfacing. The upper layer of backfill shall be removed to six ( " ) inches below finished street rade. g An additional width of the existing concrete surface shall be removed, if required, so that the existing sub -base is exposed over a width one (11) foot wider than the top of the trench. The entire void shall then be filled with Class "B" 5 -sack concrete to the finished street grade, or if brick is required, the concrete will be depressed to form bedding for the brick. PAGE 94 Item Street Paving Replacement 4. Barricades and Warning Signs_. Barricades, warning signs and flares or warning lights shall be provided at the site of the work to protect the public against the hazards of the construction involved. Barricades shall be standard type, first class, construc- tion, designed specifically for that purpose, shall be in good condition and shall be approved by the Engineer. 5. Schedule of Resurfacing. On projects where replacing street surfacing is included in the proposal for separate payment, this work shall not be started until authorized in writing. Immediately prior to beginning trenching within surfaced streets the Contractor shall request authorization for the work and to establish the type, extent and schedule for the replacement. After authorization the work shall begin and proceed in such a manner that replacing the street surfacing is completed within thirty (30) days after the trench is opened. During the interim period, it shall be the responsibility of the Contractor to adequately protect the work and to provide ingress and egress to all private property. On projects where replacing street surfacing is not included in the proposal for separate payment, authorization to begin the work will not be required. Resurfacing opc rations shall be accomplished as soon as practicable after the 'initial backfill has been completed, settled and accepted. Failure on the part of the Contractor to complete the backfill and replace the base, surfacing or paving expeditiously and in accordance with the approved schedule will be grounds for the Owner to order the work to be performed by separate contract. ".,The cost of having the work thus accomplished shall be deducted from amounts due or to become due the Contractor. The Contractor shall be advlsQd in writing of the Owner's intent to accomplish the paving replacement under separate contract and failure on the part of the Contractor to begin to accomplish the paving replocement within ten (10) days from the date of written' notification shall be presumptive evidence that the Contractor agrees to the action stated above. 6. Measurement and Payment. Cackfill will not be measured or paid for separately except where specifically provided in the Special Provisions and /or Proposal. Flexible base will be measured and paid for by the cubic yard compated in place at the price bid only when a price is requested in the proposal; otherwise, it shall be included in the square yard price for paving replacement. PAGE 0 0 Item Street Paving Replacement Asphaltic concrete surfacing will be measured by the square yard two (2 ") inches thick and paid for at the price bid per square yard for Asphaltic Concrete Surfacing cempiete in place when a price is requested in the Proposal. This Item - shall ;,cnerally include the base and preparatory work unless speci- fically provided otherwise. � Concrete surfacing will be measured by the cubic yard of Class 7 -sack concrete and paid for at the price bid per tw=it yard of concrete sur- facing in place when a price is requested in the Proposal. Quantities for measurement and payment under this Item are limited to the actual width installed but not more than a width equal to the pipe diameter 0 plus three (39 feet, times the trench length of base or surfacing removed. Quantities of base or surfacing involved outside the limits described above shall be replaced by the Contractor at his own expense, unless specifically approved otherwise prior to commencing this trench cut. Payment for replacing base or surfacing will not be paid for separate - ly unless a price is requested in the Proposal. Where no price is requested, the cost of furnishing the necessary material and labor to accomplish the resurfccing shall be included in the various other construction items for which a price is requested. The price bid for replacing bast: or surfacing of the various types shall be full compensation for all labor, equipment, matcricl, handling and ineidentnl wort: necessary to complete the ruplacement in accordance: with these specifications. PAGE 96 ITEM RAILROAD AND HIGIVAY CROSSINGS 1. Description. This item covers the materials and methods of construction for crossing railroads or highways and the requirements herein shall be supple- mented by the applicable requirements of the Railway Company or the Highway Department. The Owner will obtain the permit or license agreement from the Company or Agency involved and will furnish a copy to the Contractor. it shall be the Contractor's responsibility to give notice of scheduling of construction to the Railway Company or Highway Department and otherwise comply with all other applicable requirements of said permit or license agreement. The crossings will generally be of one of the following types and as spocificnily identified on the plans and in the special provisik�ns. (a) Pressure Lines (wator mains, sewer force mains, etc.) (1) Goring and Casing, carrier pipe of C.I. or other pressure pipe as specified. (2) Open Cut and Casing, cement stabilized baekfill, carrier pipe of C.I. or other Pressure pipe as specified. (This type crossing only in abnormal cases with special approval of Railway Company or Highway Department.) (b) Non - Pressure Lines (gravity flow sewers, etc.) (1) Boring and Casing, carrier pipe of V.C. or other non - pressure pipe as specified, grout between casing and wall of hole. (2) Dorineg Without Casing, C.I. carrier pipe, grout annular space between pipe and wall of hole. (3) Open Cut, casing and non - pressure type carrier pipe or omit casing and install C.I. carrier pipe, cement stabilized backfill. (This type crossing only in abnormal cases with special approval of Railway Company or Highway Department.) 2. Coring and Casino. Where highway and /or railroad crossings are required to be accom- plished boring and casing, the boring shall be performed with equipment designed specifically for that purpose, and shall be operated by mechanics skilled in this particular work. The length of each boring required shall be PAGE 97 I* 1• I*' is No 1• Itcm Railroad and Highway Crossing as shown on the plans or as ordered by the Engineer. The method of accomplish- ment may be by first boring through and swabbing the hole before pulling in the casing or it may be by boring with the auger inside the smooth steel casing which is jacked through as the bore progresses. The choice between these two methods will be left to Contractor's option unless specifically shown otherwise on the plans or in the Special Provisions. The annular space between hole and all casing or pipe nominal 12" I.D. or larger shall be pressure grouted and should any casing or other action cause a void outside the casing, it shall be pressure filled with cement slurry or sand - cement grout. On borings for pipe smaller than 12" where the space from top of pipe to top of bore hole does not exceed 111, pressure grouting will not be required unless specifically called for in the Special Provisions, except that if caving occurs, the Contractor shall fill the entire void with grout without extra compensation. Casing shall be of the size shown on the plans and /or not less than the following gauge or thickness for each respective size and type of crossing. CASING RAILROAD CROSSINGS HIGIUAY CROSSINGS Nominal Diameter C,G.M.Pipe Welded Steel C._G.M.Pipc Welded Steel 12" 14 Ga. 0.250 In. 16 Ga. Min; 0.104 In. 15" or 16" 14 Ga. 0.250 In, 16 Ga. Min, 01119 In. 18" 12 Ga. 0:312 In, 16 Ga. Min. 0.134 In, 20" or 21" 12 Ga. 0.312 In. 16 Ga. Min. 0:164 In. 24" 12 Ga. 0.375 In, 16 Gaa Min. 0 +179 In. 30" 12 Ga. 0.500 In. 14 Ga. Min. 0.250 In. 36" 10 Ga. 14 Ga, Min. 0.312 In. 4211 10 Ga. 12 Ga. Min. 0.312 In. 48" to 54" 8 Ga. 12 Ga. Min. 0.375 In. 60" to 72" 10 Ga. Min. 0.500 In. Over 72" Structural Plate 8 Ga. Min. All casing shall be new pipe.- Corrugated casing shall be hot dip gal- vanized and joined in sections with special galvanized coupling bands. Where smooth casing pipe is joined by welding the joint shall be filed coated with a heavy application of "Nitroes" or other suitable protective material at least 6" each side of weld. 3. Boring Without Casing. Highway or Railroad crossings with gravity flow or certain low pressure lines may be made by boring and installing a C.I. carrier pipe without casing; however, the use of this type crossing rather than boring and casing will not be considered an equal alternate unless specifically stated or shown in the Special Provisions or on the plans. When this method is used, the annular space between the carrier pipe and bored hole shall be pressure filled with cement slurry or sand - cement grout, except that on Highway crossings smaller than 1211, grout may be omitted if the Contractor obtains permission from the Highway to omit the grout. PAGE 98 Item Railroad and Highway Crossings 4. Open Cutting. Where evidence is presented indicating the impracticability of boring, the Highway Department or Railroad Company may grant permission to open cut the crossing. Such evidence shall be first presented to the Owner's Engineer, who will in turn request the necessary permit from the Highway Department or Railway Company. Rejection of such open cut permit by Highway Department or Railway Company will not relieve the Contractor of the responsibility of completing the job in the manner as originally bid. If open cutting is permitted, the following conditions shall govern. All backfili material shall be stabilized with Portland Cement and mixed in a concrete mixer or transit mix equipment. If soil is used, it shall be sandy material, free from lumps or clods, and shall be stabilized with two (2) sacks of cement per cubic yard of soil. If send and gravel are used, pit run material will be allowed, and it shall be stabilized with one (1) sack of cement per cubic yard. Backfill shall be mechanically temped in a moist condition. When existing asphalt surfaced roadways are cut, the six (6") or more corresponding to the existing base shall be replaced with Class 116" concrete which extends at least twelve (1211) inches beyond the backfilled trench width on both sides. The remaining two (211) inches on top shall be resurfaced with material similar to the existing surrounding surface. Whcre quality of the existing surfac:; is questionable, the resurfac- ing material shall be Duraeo Type "A ", F1'intmix Type "A" or approved equal. All asphalt resurfacing shall be accomplished by workmen skilled in this particular type of work. Where concrete surfaced roadways arc cut, the entire top six (611) inches or more corresponding to the existing pavement shall be replaced with Class ''B" concrete with reinforcing added -,'to match all existing bars. 5. Construction Operations. Operations along highways shall be performed in such a manner that all excavated material will be kept off of the pavements at all times. Operating equipment shall be on the traveled way a minimum amount of time required to continuously prosecute the work. The use of explosives will not be permitted except with written permission from the Highway Department or Railway Company. One -half (2) of the traveled portion of the road must be left open to traffic at all times. PAGE 99 • • • • • Item Railroad and Highway Crossings Barricades, warning signs and a flag man shall be provided at the site of the�work to protect the public against the hazards of the construction involved. The Contractor's superintendent in charge of the work shall have available on his person at the time the work is being performed, a copy of the permit granted by the Railroad Company or the Texas State Highway Department. The Owner shall be responsible for obtaining the necessary permits for crossings from the Railroad Company and /or the Highway Department and the Contractor shall contact the Highway Department or Railway Company to notify them of his schedule and he shall perform the work to the satisfaction of their representa- tives. Resurfacing operations shall be accomplished as soon as practicable after the backfill has been completed and settled. Failure on the part of the Contractor to compute the backfill and replace the surfacing expeditiously will be groisnds for the Owner to order the work to be performed by separate contract. The cost of having the work thus accomplished shall be deducted from amounts due or to become due the Contractor. The Owner shall advise the Contractor in writing of the Owner's intent to accomplish the paving replacement under separate contract and failure on the part of the Contractor to accomplish the paving replacement within ten (10) days from the date of the written notification shall be presumptive evidence that the Contractor agrees to the action stated above. 6. Method of Payment. llhQrc boring and casing is required, payment will be made separately for the boring on the basis of the price bid per linear foot of boring, and for casing on the basis of the price bid per linear foot of casing of the various sizes for which a price is called for in the proposal. Where stabilized backfill is required by open cutting existing surfacing or at such other places as may be designated by the Engineer, pay- ment will be made at the price bid per cubic yard or stabilized backfill. Where concrete base or concrete paving is required to be replaced because of open cutting, payment will be made for the concrete separately at the price bid per cubic yard for Class "B" concrete. Where base material other than concrete is required to be replaced because of open cutting, payment will be made for the base material of the type or types called for in the proposal at the price bid per cubic yard compacted in place. Where existing asphalt surfacing is required to be replaced because of open cutting or at such other places as may be designated, payment will be made for the surfacing separately at the price bid per square yard, two (211) inches thick compacted in place. PAGE 100 Item Railroad end Hic„nvay Crossings Where C.I. carrier pipe is installed in boring without casing, payment will be made per linear foot of Cast Iron Pipe in place including boring, grouting and all related operations required to install the pipe. The various types of pipe called for to be installed through the boring or casing will be paid for separately from the boring or casing at the price bid for the pipe. Pipe laid through the bore pit beyond the boring or casing will be paid for as pipe and trench its though thc, pit has WA aiter-i thc,• trctuh cut. PAGE 101