06-J Cox Field Water Main - Laserfiche WebLink

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The entire ]ength of the manner: The section of the line to be tf is required for the pipe to absorb such filling of the line care shall be exercised connections, etc., in the section under; shall be stopped, regazdless of these te The test shall consist of percent of the working pressure for 1 occuning in the section being tested, rn be maintained for a period of four (4)1 the test pressure shall be accurately n pipeline at one time. In that event, 1 necessary to inspect the surface for le hours specified. I.eakage during the al pipe diameter per mile per 24 hours. stalled line shall be field tested for water tightness in the following ed shall be filled with water and allowed to stand for-such time as der as it will and for the escape of all air from the line. During the see that all air vents aze open, and all bulkheads, valves, manholes, ing test shall be carefully examined for leakage. All known leaks requirements. ising and holding the hydrostatic pressure in the test section of 120 ich the pipe was designed, which pressure shall be the highest to exceed the design pressure of the pipe. Such test pressure shall urs, during which tirne the water pumped into the line to maintain sured. The Contractor may elect to test the entire length of the ; test pressure shall be maintained for such period of time as is s throughout the length of the pipeline in addition to the four (4) test shall not exceed a rate equal to 25 gallons per inch of internal In the event any section of the line tested fails to meet the above specified requirements for water tightness, the cause of the excess've leakage shall be determined and remedied. It shall be the pipeline. 2010.08 DISINFECTION Prior to disinfecting, e: flushed with clean water from the City may have entered the line during constr without unnecessary waste, shall be F bacteriological test(s) fail, the Contrac Chlorine shall be used chlorine applied shall be such as to F chlorinating material shall be introducc the City. After a contact period of nc clean water untfl the residual chlorine ( being disinfected shall be opened and c sample for each 1,000 feet of complete 1,000 feet as designated by the City E of the Contractor to provide the necessary oudets for testing the valved section of the new pipeline shall be pressure tested and em to remove all visible evidence of dust, soil, and fine debris that ion and testing. The water required to flush and disinfect the lines, for by the City without chazge to the Contractor. Should the shall pay for all water used to re-flush and re-disinfect the line(s). o disinfect the pipeline by the following method: The amount of )vide a dosage of not less than fifty (50) pazts per million. The to the water ]ines and distribution system in a manner approved by less than twenty-four (24) hours, the system shall be flushed with ntent is not greater than 0.2 parts per million. All valves in the lines ,sed several times during the contract period. A minimum of one (1) main shall be required or at the next available sampling point beyond The wst of furnishing the chlorine, labor, tools, equipment, tests of chlorine content and the bacteriological samples will be at the expense of the Contractor. No water mains shall be placed in service until samples of the water from the majin, taken by the Contractor, have been submitted for tests performed by an approved laboratory and a satis$actory test report has been received from the laboratory. Item 2010-3