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2013_0912 (4)CHECK ONE: IRRIGATION DOMESTIC FIRELINE \-, BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: S i"`a 0 Y "-I l 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. C Reduced Pressure Principle Y.l Double Check Valve Manufacturer e tc S ,? y Model Number �~ C�l &- Serial Number '7'o 3 f -; TYPE OF ASSEMBLY C Pressure Vacuum Breaker ❑ Atmosphere Vacuum Breaker Size y y Located At IP, 0,, l/ W f 5/(11 The above is certified to be true. Firm Name A )1e a,w Certified Tester /J/'/ Firm Address P0.5, X -7 r 7 1,11IZ x-71 Cent. TesterNo. Gauge # 06 C' y / 7 � ir' Date last accuracy tested 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 /'C Opened at Opened at oSid Tight /, �' Leaked/. S' ❑ vSid oSid R.P -_psid Leaked ❑ Did not Open ❑ Leaked ❑ Reps and Materials Used Test After DC- Closed Closed Tight ❑ Opened at Opened at oSid Repair Tight ❑ nsid vSid RP sid The above is certified to be true. Firm Name A )1e a,w Certified Tester /J/'/ Firm Address P0.5, X -7 r 7 1,11IZ x-71 Cent. TesterNo. Gauge # 06 C' y / 7 � ir' Date last accuracy tested White - Customer's Copy Yellow - City Copy Pink - Tester's Copy