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2012_1012 (3)CIIECK ONE: IRRIGATION DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: CITY OF COPPELL PWS I.D. # LOCATION OF SERVICE: r Pfn j i 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. TYPE OF ASSEMBLY ❑ Reduced Pressure Principle ❑ Pressure Vacuum Breaker ❑ Double Check Valve ❑ Atmosphere Vacuum Breaker Manufacturer Model Number C Serial Number 16 mkt- - (� Size Located At The above is certified to be true. 5 f Firm Name G Certified Tester Firm Address r lnlOG� a K l_ I Ic )Utm Tester No. i �G f � _ Date a� Gauge Il O cj 0 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 ❑ Opened at Opened at vsid Tight ❑ Leaked ❑ Dsid vsid RP- __psid Leaked ❑ Did not Open ❑ Leaked ❑ Reps and Materials Used Test After DC- Closed Closed Tight ❑ Opened at Opened at vsid Repair Tight ❑ nsid Dsid RP sid The above is certified to be true. 5 f Firm Name G Certified Tester Firm Address r lnlOG� a K l_ I Ic )Utm Tester No. i �G f � _ Date a� Gauge Il O cj 0 Date last accuracy tested - White - Customer's Copy Yellow - City Copy Pink - Tester's Copy