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2011_1128 (5)CHECK ONE: IRRIGATION DOMESTIC FIRELINE X BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: CITY OF COPPELL PWS I.D. # 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 �C Double Check Valve Manufacturer ��r 5 Model Number (�' Serial Number 1 `/ / ;'2 / TYPE OF ASSEMBLY C Pressure Vacuum Breaker C Atmosphere Vacuum Breaker size �y Located At A/ 1�' The above is certified to be true. Firm Name Firm Addr s 1�9 Gauge # -7 Date last accuracy tested Cat Tester No. �� � ��'� -,7��' Date 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 Tight /;, Closed Tight A Leaked /= O ❑ Opened at nsid Opened at _osid osid RP -_L_psid Leaked ❑ Did not Open o Leaked ❑ Reps and Materials Used Test After DC- Closed Closed Tight o Opened at Opened at _--.p sid Repair Tight ❑ osid osid RP sid The above is certified to be true. Firm Name Firm Addr s 1�9 Gauge # -7 Date last accuracy tested Cat Tester No. �� � ��'� -,7��' Date White - Customer's Copy Yellow - City Copy Pink - Tester's Copy