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2013_0122 (38)CHECK ONE: IRRIGATION DOMESTIC FIRELINE_ BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: CITY OF COPPELL PWS I.D. # LOCATION OF SERVICE: The back -Low 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 3 Double Check Valve Manufacturer Model Number ac c Serial Number I (, 0 9 L TYPE OF ASSEMBLY ❑ Pressure Vacuum Breaker ❑ Atmosphere Vacuum Breaker .t Size Located At The above is certified to be true. Firm Name ct AZJ�G�Lt as ea5 9 cx Firm Addressji24t4,761..1 -x -7 5-0,4 U Gauge # 3 *� 2-35-3 Date last accuracy tested /' 0 3 ° 13 Cut. Tester No��2107 73 Date _ S - /,3 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 X Opened at Opened at nSid CS Tight RC RP -e nsid Leaked ❑ Leaked ❑ + " nSid _ nSid Did not Open o Leaked ❑ Repairs and Materials Used Test After DC- Closed Closed Tight o Opened at Opened at _ psid Repair Tight ❑ psid vSid RP sid The above is certified to be true. Firm Name ct AZJ�G�Lt as ea5 9 cx Firm Addressji24t4,761..1 -x -7 5-0,4 U Gauge # 3 *� 2-35-3 Date last accuracy tested /' 0 3 ° 13 Cut. Tester No��2107 73 Date _ S - /,3 White - Customer's Copy Yellow - City Copy Pink - Tester's Copy