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2013_0613 (8)CIIECK ONE: IRRIGATIONN_ DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: g e), / Ay A /4 a'c'd 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. e Reduced Pressure Principle Double Check Valve Manufacturer a-.,, /'I j /,S Model Number 00/ C Serial Number ,& !; ? j TYPE OF ASSEMBLY ❑ Pressure Vacuum Breaker C7 Atmosphere Vacuum Breaker i/ Size 17 Located At - c c:) X �t e e The above is certified to be true. Firm Name )90 J�v A- f / X r Firm Address 10 - I ) 1 17 W ^1X4, Gauge # D to t-1 / 7 9 0 Date last accuracy tested q - S 7 Certified Tester %i A-- U/z /% i9 Cert. Tester No. 94900070 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 Closed Tight ❑ Opened at Opened at psid Tight ❑ Leaked ❑ psid nsid RP -_psid Leaked ❑ Did not Open ❑ Leaked ❑ Reps and �/ ! L�1/ j� le Materials Used Test After DC- Closed Closed Tight ❑ Opened at Opened at _nsid Repair Tight ❑ psid nsid RP sid The above is certified to be true. Firm Name )90 J�v A- f / X r Firm Address 10 - I ) 1 17 W ^1X4, Gauge # D to t-1 / 7 9 0 Date last accuracy tested q - S 7 Certified Tester %i A-- U/z /% i9 Cert. Tester No. 94900070 Date White - Customer's Copy Yellow - City Copy Pink - Tester's Copy