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6 <br /> i <br /> � I <br /> � <br /> • I ppm of chlorine as determined by residual chlorine tests at ends of <br /> ; lines. Open and close all valves while the system is being <br /> I chlorinated. <br /> � <br /> ' C. After sterilizin�agent has been applied and left standing for 24 <br /> �, hours, test for residual chlorine at ends of lines. If less than 25 ppm <br /> ' is indicated,repeat sterilizing process. <br /> D. After sterilizing agent has been standing for 24 hours and tests <br /> � show at least 25 ppm of residual chlorine, flush out system until all <br /> � <br /> traces of chemical used are removed. <br /> � <br /> E. Local health department will check and approve system before <br /> � connecting to existing system. <br /> 3.9 Not used. <br /> � �.10 TESTING <br /> I <br /> � A. Test a11 installed equipment and systems and demonstrate proper <br /> � operation. Submit notices of readiness for inspection. Testing not <br /> � � witnessed by Designer will cause testing shall be repeated. <br /> • I B. Correct and retest work found defective when tested. <br /> � C. Make repau�s to pipmg system with new matenals; peeiung, <br /> � doping, or caulking of screwed joints or holes will not be accepted. <br /> � <br /> ID. Test hot and cold domestic water piping system upon completion <br /> , I of rough-in and before connection to fixtures at a hydrostatic <br /> ; pressure of 125 psig for a period of one hour. <br /> E. Test drainage and venting system with necessary openings plugged <br /> to permit system shall be filled with water and subjected to a water <br /> ipressure of 10 ft. head. System to hold water for 30 minutes <br /> � without a water level drop greater than 4" in a 4" standpipe and <br /> without visible leakaae. Test system in sections if minimum head <br /> � can be maintained in each section. The "10 foot head" shall be <br /> minimum pressure at top joint. <br /> � i <br /> F. Conduct air or smoke test if in opinion of Desi�er reasonable <br /> cause exists to suspect leakage or less than quality workmanship. <br /> i G. Not used. <br /> • <br /> ICT 99184 <br /> 15010 - 11 <br /> � <br /> � <br />