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2013_0204 (6)CIIECK ONE: IRRIGATION DOMESTIC FIRELINE BACK{FLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: 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 ❑ Double Check Valve Manufacturer W"4 Model Number p0 `7", Serial Number p �! TYPE OF ASSEMBLY C Pressure Vacuum Breaker C Atmosphere Vacuum Breaker Size Located At A/. 5, d The above is certified to be true. Firm Name Firm Address Gauge # Date Last accuracy tested White — Customer's Copy Certified Tester Cert. Tester No. Yellow — City Copy Date 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 ❑ Opened at Opened at nsid Tight ❑ Leaked ❑ psid nsid RP - _psid beaked C Did not Open ❑ Leaked ❑ Reps and Materials Used Test After DC- Closed Closed Tight ❑ Opened at Opened at n sid Repair Tight ❑ nsid nsid RP sid The above is certified to be true. Firm Name Firm Address Gauge # Date Last accuracy tested White — Customer's Copy Certified Tester Cert. Tester No. Yellow — City Copy Date Pink — Tester's Copy