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2013_0122 (41)CHECK ONE: IRRIGATION DOMESTIC FIRELINE_ , BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: /00 -7 The bac0ow 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 ❑ Reduced Pressure Principle ❑ Pressure Vacuum Breaker Z Double Check Valve ❑ Atmosphere Vacuum Breaker Manufacturer 1 �,- Size Model Number �=�� '% Located At Serial Number , 1 The above is certified to be true. Firm NaMA2Ua2aZ41111 ). 4 1' Certified Tester =a-114n sZ'OdO Firm Addrm b � z;61 -Z-k . 7 5 ° * u Cent. Tester No `7 7.3 Date C1 '0- 5 I Gauge # 3 ? 2 3 5 3 Date Last accuracy tested / • �) � • 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 4�J DC- Closed Tight c� B RP- t� •P psid Leaked ❑ Closed Tight 19 Leaked ❑ Opened at vsid Opened at osid Did not Open ❑ osid Leaked ❑ Repairs and Materials Used Test After Repair DC- Closed Tight ❑ Closed Tight ❑ Opened at vsid Opened at osid _ nsid RP sid The above is certified to be true. Firm NaMA2Ua2aZ41111 ). 4 1' Certified Tester =a-114n sZ'OdO Firm Addrm b � z;61 -Z-k . 7 5 ° * u Cent. Tester No `7 7.3 Date C1 '0- 5 I Gauge # 3 ? 2 3 5 3 Date Last accuracy tested / • �) � • 13 White - Customer's Copy Yellow - City Copy Pink - Tester's Copy