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2012_1029 (3)CIIECK ONE. IRRIGATION DOMESTIC FIR ELINE BACKFT.OW PREVEN'T'ION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PwS: CITY OF COPPELL PWS I_D. # LOCATION OF SERVICE: % `- >,' The bacicflow prevention assembly derailed below has been tested and maintained as required by TNRCC regulations and is certified to be operating within acceptable parameters_ TYPE OF ASSEMBLY C Reduced Pressure Principle C Pressure Vacuum Breaker G� Double Check Valve � Atmosphere Vacuum Breaker Maaufacttu-er Modes Number Serial Number Size Located At t The above is certified to be true. Firm Name Firm Address Gauge # - Date last accuracy tested Certified Testa Cent Tester No_ � Date (O� "l �- White - Customer's Copy Yellow -City Copy Pink - Tester's Copy REDUCED PRESSURE PRINCIPLE ASSEMBLY PRESSURE VACUUM BRE_A�'R Double Check Valve Assembly 1st Cheese 2nd Check Relief Valve Air Inlet Check Valve Initial Test DC- Closed Tight o Closed Tighe o Leaked o Opened at nsid Opened at nsid nsid RP- nsid ��� p Did not Opm o Leaked � �P� and Materials Used Test After I2cpair DC- Closed Tight o Closed Tight o Opined at nsid Opined at nsid nsid R.P sid The above is certified to be true. Firm Name Firm Address Gauge # - Date last accuracy tested Certified Testa Cent Tester No_ � Date (O� "l �- White - Customer's Copy Yellow -City Copy Pink - Tester's Copy