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2012_1130 (4)CIIECH ONE: IRRIGATION DOMESTIC FIRELINE �� "` BACKFI.OW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: CITY OF COPPELL PWS I.D_ # LOCATION OF SERVICE: The bacictlow prevention assembly detailed below has bees tested and maintained as required by TNRCC rzQUlations and is cerrified to be operating within acceptable parameters. TYPE OF ASSEMBLY e Reduced Pressime Principle a Pressure VacuL•*n Breaker �- Double Cheek Valve o Atmosphere Vacuum Breaker Maaufact�ser Model Number Serial Nzmzber Size Located At The above is certified to be true. Firm Name Firm Address Gauge # Date Iast accuracy tested Certified Tester Cent. Tester No. Date White - Customer's Copy Yellow -City Copy Pink - Tester's Copy REDUCED PRESSURE PRINCIPLE ASSEMBLY PRESSURE VACWM BRE_A�'R Double Check Valve Assembly Relief Valve Air Inlet Cheek Valve 1st Check 2nd Check Initial Test DC- Closed Tighe o: Closed Tight Q: Leaked o Opened at vsid Opened at vsid vsid Rp- vsid �� p Did not Open o Leaked � Rcpaus and Materials Used Test After liapair DC- Closed Tight 0 Closed Tight o Opened at vsid Opeaed at vsid vsid Rp sid The above is certified to be true. Firm Name Firm Address Gauge # Date Iast accuracy tested Certified Tester Cent. Tester No. Date White - Customer's Copy Yellow -City Copy Pink - Tester's Copy