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2012_0810CHECK ONE: IRRIGATION DOMESTIC FIRELINE BACIO'LOW 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. TYPE OF ASSEMBLY C Reduced Pressure Principle C Pressure Vacuum Breaker 'L0--' Double Check Valve C Atmosphere Vacuum Breaker Manufacturer %4Ae� Size Model Number O O % ktA' 4' — Located At Serial Number 37-72-E&_ The above is cadfied to be true. Firm Name A Firm Address F0 'S u '� 19 7 Gauge # 0 ?090498 Date last accuracy tested Catified ?ester 4-tKA;;6L Cat Testa No :kP �6 ss' Date ` 1-7— White - Customer's Copy Yellow - City Copy Pink - Tester's Copy REDUCED PRESSURE PRINCIPLE ASSEMBLY PRESSURE VACUUM BREAKER Double Check Valve Assembly Relief Valve Air Inlet Check Valve 1st Check 2' 0 2nd Check 2.0 Initial Test DC- Closed Tight Closed Tight Leaked 0 Opened at psid Opened at _,osid csid RP- ._.psid Leaked 0 Did not Open 0 Leaked 0 Reps and Materials Used Test After Repair DC- Closed Tight 0 Closed Tight 0 Opened at flsid Opened at ____.osid __ nsid RP sid The above is cadfied to be true. Firm Name A Firm Address F0 'S u '� 19 7 Gauge # 0 ?090498 Date last accuracy tested Catified ?ester 4-tKA;;6L Cat Testa No :kP �6 ss' Date ` 1-7— White - Customer's Copy Yellow - City Copy Pink - Tester's Copy