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2011_1216_RPZ (2)CIIECK ONE: IRRIGATION DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: CITY OF COPPELL r PWS I.D. # � 0.� r�-t LOCATION OF SERVICE: %D D /V The back-flow prevention assembly detailed below has been tested and maintained as required by TNRCC regulations and is cernified to be operating within acceptable parameters. xReduced Pressure Principle ❑ Double Check Valve Manufacturer .lL OLS Model Number 009 I Serial Number -4 7 Rod a 5 TYPE OF ASSEMBLY C Pressure Vacuum Breaker C Atmosphere Vacuum Breaker Size g A Located At 5 rL qe- 4 r ,56 Lsl- a KO om The above is certified to be true. Firm Name &I /Q Certified Tester A 7`/'7 1--el 4 n Firm Address F-1 f t/ai yU , '17Y-7&0&t Tester No. 910996V,3 Date /07 /& `// Gauge # 0&// a O loq Date last accuracy tested 8- %-,-/1 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 Tight �, RP -nsid Leaked p Closed Tight )RC Leaked ❑ • 41 Opened at a rTpsid Opened at nsid Did not Open ❑ nsid Leaked ❑ Repairs and Materials Used Test Af%t Repair DC- Closed Tight ❑ Closed Tight ❑ Opened at nsid Opened at nsid _n sid RP psid The above is certified to be true. Firm Name &I /Q Certified Tester A 7`/'7 1--el 4 n Firm Address F-1 f t/ai yU , '17Y-7&0&t Tester No. 910996V,3 Date /07 /& `// Gauge # 0&// a O loq Date last accuracy tested 8- %-,-/1 White - Customer's Copy Yellow - City Copy Pink - Tester's Copy