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2012_0621 (6)CHECK ONE: IRRIGATION DOMESTIC FIR.ELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: CITY OF COPPELL PWS I.D. # LOCATION OF SERVICE: The backflow prevention assembly detailed below has been tested and maintained as required by TNRCC regulations and is certified to be operating within acceptable parameters. TYPE OF ASSEMBLY e Reduced Pressure Principle ❑ Pressure Vacuum Breaker ❑ Double Check Valve a Atmosphere Vacuum Breaker Manufacturer / f -1 Size Model Number Located At Serial Number The above is certified to be true. Firm Name Firm Address Gauge # Date last accuracy tested Certified Tester Cert. Testa No. Date White - Customer's Copy Yellow - City Copy Pink - Tester's Copy REDUCED PRESSURE PRINCIPLE ASSEMBLY PRESSURE VACUUM BREAKER Double Check Valve Assembly 1st Check 2nd Check Relief Valve Air Inlet Check Valve Initial Test DC- Closed Tight ❑ Closed Tight ❑ Leaked ❑ Opened at osid Opened at nsid osid RP- __psid Leaked ❑ Did not Open ❑ Leaked ❑ Reps and Materials Used Test After Repair DC- Closed Tight ❑ Closed Tight ❑ Opened at nsid Opened at osid nsid RP sid The above is certified to be true. Firm Name Firm Address Gauge # Date last accuracy tested Certified Tester Cert. Testa No. Date White - Customer's Copy Yellow - City Copy Pink - Tester's Copy