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2013_0919CHECK ONE: IRRIGATION DOMESTIC FIRELINE y BACKFLOW PREVENTION ASSEMBLY TEST AND MAIN'T'ENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: LS f- -MIC A 22dAA i vA The back low 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 a Pressure Vacuum Breaker i� Double Check Valve o Atmosphere Vacuum Breaker Manufacturer INIAS Size 91 Model Number 0 G-1 M Located At to Serial Number _ The above is certified to be true. Firm Name Q A iL L) ti %€'� Certified Tester Adzu-n e- & Firm Ad&=00 00K 0 L(A�J �] Cert. Testa No. Hnnefl tc, Date iqTe Gauge # .3-j -� Date last accuracy tested 10L 4 —� 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 2r Opened at Opened at nsid Tieht ❑ Leaked ❑ usid nsid RP- ._psid Leaked Did not Open o Leaked ❑ airs f e %'We& and Materials Used ���� i o� puxd5 Test After DC- Closed Closed Tight Opened at Opened at nSid Repair Tight 1AK RP Lsid 1 ' T psid csid The above is certified to be true. Firm Name Q A iL L) ti %€'� Certified Tester Adzu-n e- & Firm Ad&=00 00K 0 L(A�J �] Cert. Testa No. Hnnefl tc, Date iqTe Gauge # .3-j -� Date last accuracy tested 10L 4 —� White - Customer's Copy Yellow - City Copy Pink - Tester's Copy