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2013_0906 (21)CHECK ONE: IRRIGATION DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: f, ���G C. 1C/%/;C�. '/2 f 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 �Check Valve Manufacturer Model Number Serial Number S 'S TYPE OF ASSEMBLY • Pressure Vacuum Breaker • Atmosphere Vacuum Breaker Size Located At_/ The above is certified to be true. Firm Name Me y r-0 L bAlln Firm Address / 76,09 Gauge # Date Last accuracy tested P/ le A Certified Testa f f 4 Y Celt. Tester No. Date '!4 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 Closed Tight Opened at Opened at osid Tight ❑ RP- G sid Leaked ❑ Leaked ❑ nsid osid Did not Open o Leaked ❑ Reps and Materials Used Test After DC- Closed Closed Tight ❑ Opened at Opened at osid Repair Tight ❑ psid nsid RP sid The above is certified to be true. Firm Name Me y r-0 L bAlln Firm Address / 76,09 Gauge # Date Last accuracy tested P/ le A Certified Testa f f 4 Y Celt. Tester No. Date '!4 White - Customer's Copy Yellow - City Copy Pink - Tester's Copy