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2014_0110 (4)CHECK ONE: IRRIGATION DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: CITY OF COPPELL PWS I.D. # LOCATION OF SERVICE: S �7 -j 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 w'- Double Check Valve C Atmosphere Vacuum Breaker Manufacturer I"1 �S Size 3 i 1 Model Number 0 o S Located At i -sC Serial Number The above is certified to be true. Firm Name C S Certified Testecl IS Firm AddressG�l"`�� Cert. Testa No. W'_0 13'iSq Date' ' d Lj Gauge # Qb /100 .6 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 Relief Valve Air Inlet Check Valve 1st Check 2nd Check Initial Test DC- Closed Ti_" Closed Tight Leaked C Opened at osid Opened at nsid nsid Jh5� RP -_L ._U sid Leaked ed C Did not Open o Leaked C Reps and Materials Used Test After Repair DC- Closed Tight Closed Tight o Opened at osid Opened at osid nsid RP =====Psid The above is certified to be true. Firm Name C S Certified Testecl IS Firm AddressG�l"`�� Cert. Testa No. W'_0 13'iSq Date' ' d Lj Gauge # Qb /100 .6 Date last accuracy tested White - Customer's Copy Yellow - City Copy Pink - Tester's Copy