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2014_0321 (3)CHECK ONE: IRR.IGATION___,�L_ DOMESTIC W tzAafl Zt�+ BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: 12 31 A� 51 v,- ell The bacl&ow prevention assembly detailed below has been tested and maintained as required by TNRCC regulations and is terrified to be operating within acceptable parameters. Reduced Pressure Principle ;Y Double Check Valve Manufacturer //t,/A L/ Model Number !` �7 Al 1 Serial Number <F� 1 1 q TYPE OF ASSEMBLY C Pressure Vacuum Breaker ❑ Atmosphere Vacuum Breaker Size Located At The above is certified to be true. Firm Name / t/1� l c{�i� �,�i� Certified Tester��i v, /� ✓% Pte; Cent. Tester No. W 5 Date Gauge # 610 z Z L V (p Date last accuracy tested cle - 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 Z -LI-psid Closed Tight Z Leaked ❑ Opened at Dsid Opened at osid Did not Open ❑ osid Leaked ❑ Repairs and Materials Used Test After Repair DC- Closed Tight ❑ Closed Tight ❑ Opened at osid Opened at osid _____p sid RP sid The above is certified to be true. Firm Name / t/1� l c{�i� �,�i� Certified Tester��i v, /� ✓% Pte; Cent. Tester No. W 5 Date Gauge # 610 z Z L V (p Date last accuracy tested cle - White - Customer's Copy Yellow - City Copy Pink - Tester's Copy