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2013_0411 (27)CHECK ONE: IRRIGATION DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: CITY OF COPPELL PWS I.D. # LOCATION OF SERVICE: ID rhASC A X 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. Reduced Pressure Principle ^_ Double Check Valve Manufacturer h C Model Number Serial Number` n TYPE OF ASSEMBLY C Pressure Vacuum Breaker C Atmosphere Vacuum Breaker Size Located At The above is certified to be true. Firm Name TcA A ';�\ c C Firm Address 2 nn C" Gauge # % 2 Date last accuracy tested N Certified Testa "`' 4 f Cert. Testa No. Y-""k' 1_1 417 Date 4 13 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 oSid Tight ❑ RP- _psid Leaked C) oSid nSid Leaked C Did not Open ❑ Leaked ❑ Reps and Materials Used Test After DC- Closed Closed Tight ❑ Opened at Opened at nsid Repair Tight ❑ psid oSid RP sid The above is certified to be true. Firm Name TcA A ';�\ c C Firm Address 2 nn C" Gauge # % 2 Date last accuracy tested N Certified Testa "`' 4 f Cert. Testa No. Y-""k' 1_1 417 Date 4 13 White - Customer's Copy Yellow - City Copy Pink - Tester's Copy