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2013_1015CHECK ONE: IRRIGATION_ DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: The back-flow prevention assembly detailed below has been tested and maintained as required by TNRCC regulations and is certified to be operating within acceptable parameters. Reduced Pressure Principle Double heck Valve Manufacturer Model Number Serial Number TYPE OF ASSEMBLY ❑ Pressure Vacuum Breaker C Atmosphere Vacuum Breaker size Located At The above is cnti6ed to be true. Firm N Certified Tester Firm Address Cert. Tester No. �' ' __�llDate 1 l Gauge # I Date last accuracy tested White - Customer's Copy Yellow - City Copy Pink - Tester's Copy REDUCED PRESSURE PRINCIPLE ASSEMBLY PRESSURE VACUUM BREAKER Double Check Valve Assembly 1st Check tad Check Relief Valve Air Inlet Check Valve Initial Test DC- Closed , Tight RP -_psid Leaked ❑ Closed Tight Leaked � ❑ f Opened at nsid Opened at nsid Did not Open ❑ nsid Leaked ❑ Repairs and Materials Used Test After Repair DC- Closed Tight ❑ Closed not ❑ Opened at nsid Opened at nsid _nsid RP sid The above is cnti6ed to be true. Firm N Certified Tester Firm Address Cert. Tester No. �' ' __�llDate 1 l Gauge # I Date last accuracy tested White - Customer's Copy Yellow - City Copy Pink - Tester's Copy