(A) The installation procedure shall conform to the standards established by the Cast Iron Pipe Research Association.
(B) Pressure and leakage test shall be made by the contractor on all new water main extensions. The mains shall be tested at 150 psi for two hours. Allowable leakage per 1,000 feet of six inch pipe is one-half gallons per hour. This procedure will take place under the supervision of the Public Works Director, or a representative of the city.
(C) Chlorination of the water mains shall conform to the AWWA standards for disinfecting water mains. Chlorination material shall provide a dosage of not less than 50 parts per million. The retention time shall be at least 24 hours and shall produce not less than 25 parts per million of chlorine at the end of the retention period.
(D) No water main less than six inches in diameter shall be installed. Water mains shall be installed with a minimum of six feet of cover.
(Prior Code, § 51.078)