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A. Flush all chemical lines with potable water. Purge all chemical lines of water using <br /> nitrogen gas to remove standing water and moisture from lines. It is the Contractor' s <br /> responsibility to purge all water from chemical lines prior to filling lines with chemical to <br /> prevent heat damage to piping systems . <br /> B . Pressure test all chemical lines to 150 psi, for a duration of 2 hours . Pressure loss shall not <br /> be less than 2% of test pressure . Pump suction lines shall be tested to 25 psi . <br /> C . Ensure lines are thoroughly cleaned of all debris prior to placing into service . Contractor <br /> takes responsibility for repairing chemical systems if not thoroughly flushed out . <br /> D . Safety procedures should be employed during pressure testing with nitrogen gas , if used . <br /> 3 .05 BACTERIOLOGICAL SAMPLING <br /> A. It shall be the responsibility of the Contractor under this contract to perform the <br /> bacteriological testing required by the Florida Department of Environmental Protection and <br /> Indian River County Utilities Department to obtain clearance of all piping. The Contractor <br /> shall be responsible to disinfect and repeat testing as needed until clearance is obtained. <br /> B . The pumps and associated piping require two (2) consecutive daily samples taken from the <br /> locations called out on the plans or as determined by the Engineer/Architect. The samples <br /> shall be taken concurrently at all the respective sample point locations. <br /> Co Sampling must be coordinated with Engineer/Architect and other construction activities so as <br /> to minimize re,,sampling. <br /> D. Contractor shall submit schedule for bacteriological testing and pressure tests. <br /> E. The Contractor shall incur all costs needed to provide bacteriological clearance of the well, <br /> pumps, piping system, and storage tank, etc. <br /> 3 .06 QUALITY CONTROL <br /> A. The laboratory and personnel collecting bacteriological samples shall be Florida State <br /> certified in accordance with FDEP requirements. <br /> END OF SECTION <br /> i <br /> I, <br /> 044572017 <br /> 02670-4 <br />