Laserfiche WebLink
d . Add make - up liquid once per hour to bring pipe back to test <br /> pressure over a 3 hour period . <br /> e . Immediately following the end of the 3 hour period , begin test of <br /> pipe section . Test period is 2 hours . Add make - up fluid at 1 hour <br /> and 2 hours to return test section to test pressure . Measure all <br /> fluid added . Make - up fluid may not exceed the following : <br /> Nominal Pipe Size Allowance for Expansion <br /> ( in ) ( Gallons per 100 ft . ) <br /> 12 2 . 3 <br /> 14 2 . 8 <br /> 16 3 . 3 <br /> 18 4 . 3 <br /> 20 5 . 5 <br /> 22 7 . 0 <br /> 24 8 . 9 <br /> f . All leaks shall be repaired regardless of the total leakage as <br /> indicated by the test , and all pipes , valves and fittings and other <br /> materials found defective under the test shall be removed and re <br /> placed at the Contractor' s expense . Tests shall be repeated until <br /> leakage has been reduced below the allowable amount . <br /> g . All visible leaks shall be repaired regardless of the total leakage <br /> as indicated by the test , and all pipes , valves and fittings and <br /> other materials found defective under the test shall be removed <br /> and replaced at the Contractor' s expense . Tests shall be <br /> repeated until leakage has been reduced below the allowable <br /> amount . <br /> h . Should , in the judgment of the Engineer , it not be practical to <br /> follow the foregoing procedures exactly for any reason , <br /> modifications in the procedure shall be made as approved by the <br /> Engineer . In any event , the Contractor shall be responsible for <br /> the ultimate tightness of the raw watermain within the preceding <br /> requirements . <br /> 3 . 03 DISINFECTION <br /> A . The Contractor shall furnish and install suitable temporary connections to the <br /> piping , all necessary pressure pumps , hose , pipe connections , meters , <br /> gauges and other similar equipment , and all labor required , all without <br /> additional compensation for the disinfection of all required piping systems . <br /> Disinfection shall be conducted on the following systems : <br /> TECHNICAL PROVISIONS <br /> TP -22 <br /> FAPublic Works\Capital Projects\Oslo Road Lateral ABID DOCUMENTS\DIVISION 2 - Technical Provisions . doc <br />