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2014_0602 (2)BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: CITY OF COPPELL PWS I.D. # LOCATION OF SERVICE: 1 `) 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 ❑ Pressure Vacuum Breaker Double Check Valve ❑ Atmosphere Vacuum Breaker Manufacturer ? ✓' �� ^ ` Size Model Number 7 Serial Number Located At I la The above is certified to be true. Firm Name Certified Tester Firm Address � �1, �,�' "� �l Cat Testa No. 1�� 1 / 71 Date Gauge # ! SG % 11119G, 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 1st Check 2nd Check Relief Valve Air Inlet Check Valve Initial Test DC- Closed Closed Tight ❑ Opened at Opened at osid Tight ❑ Leaked ❑ sid osid RP- __psid Leaked ❑ Did not Open ❑ Leaked ❑ Reps and Materials Used Test After DC- Closed Closed Tight ❑ Opened at Opened at osid Repair Tight ❑ osid osid RP sid 1 11 The above is certified to be true. Firm Name Certified Tester Firm Address � �1, �,�' "� �l Cat Testa No. 1�� 1 / 71 Date Gauge # ! SG % 11119G, Date last accuracy tested White - Customer's Copy Yellow - City Copy Pink - Tester's Copy