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2011_1118 (3)CIIECK ONE. IRRIGATION DOMESTIC FIRELINE BACKFI.OW PREVEN'T'ION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF Pws: CITY OF COPPELL PWS I_D. # LOCATION OF SERVICE: The bacidlow prevention assembly detailed below has been tested and maintained as rccluirod by TNRCC regulations and is certified to be operating within acceptable parameters_ TYPE OF ASSEMBLY C Reduced Pressure Principle C �'� Pressure Vacua Breaker � Doubic Check Valve � Atmosphere Vacuum Breaker Manufact�ser Model Number Serial Number Size Located At The above is certified to be true_ Firm Name Firm Address Gauge � Date last accuracy tested Certified Tester Cent Tester No. Date White - Customer's Copy Yellow -City Copy Pink - Tester's Copy REDUCED PRESSURE PRINCIPLE ASSEMBLY PRESSURE VACUUM BRFAiCF'R Doubie Check Valve Assembly 1st Check 2nd Check Relief Valve Air Inlet Cheek Valve Initial Test DC- Closed Tight n Closed Tight �3 Leaked o Opened at vsid Opined at vsid vsid RP- vsid ��� p Did not Opm o Leaked � �P�� and Materials Used __ Test Afirr Repair DC- Closed Tight � Closed Tight o Opened at vsid Opined at vsid vsid RP sid The above is certified to be true_ Firm Name Firm Address Gauge � Date last accuracy tested Certified Tester Cent Tester No. Date White - Customer's Copy Yellow -City Copy Pink - Tester's Copy