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2013_0308CHECK ONE: IRRIGATION DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: The backnow prevention assembly detailed below has been tested and maintained as required by TNRCC regulations and is certified to be operating within acceptable parameters. C Reduced Pressure Principle PRESSURE VACUUM BREAKER Double Check Valve Manufacturer t� � Model Number 7 7 �� Serial Number G C/ TYPE OF ASSEMBLY e Pressure Vacuum Breaker C Atmosphere Vacuum Breaker Size Located At V The above is certified to be true. Firm Name',` 1/0` Firm Address G , l 7 t L r, y Gauge # _L,) G U ` 1 I :7 4� C' Date last accuracy tested Y -/ -2 "-/ Certified Tester? / /,G�� ` Cent. Taster No. i %� '� 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 y Tight )!k Closed Tig ; l9 Leaked ' ❑ Opened at __.psid Opened at _osid usid RP- ._psid Leaked ❑ Did not Open ❑ Leaked ❑ Reps and Materials Used Test After DC- Closed Closed Tight ❑ Opened at Opened at -- sid Repair Tight ❑ nsid ______-_osid RP sid The above is certified to be true. Firm Name',` 1/0` Firm Address G , l 7 t L r, y Gauge # _L,) G U ` 1 I :7 4� C' Date last accuracy tested Y -/ -2 "-/ Certified Tester? / /,G�� ` Cent. Taster No. i %� '� Date White - Customer's Copy Yellow - City Copy Pink - Tester's Copy