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2013_0411 (20)CHECK ONE: IRRIGATION DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: CITY OF COPPELL PWS I.D. # r LOCATION OF SERVICE: x 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. C Reduced Pressure Principle Double Check Valve Manufacturer ��-hr n TYPE OF ASSEMBLY C Pressure Vacuum Breaker ❑ Atmosphere Vacuum Breaker Size Model Number >� 'f Located At Serial Number r)1 1 Z � ` 4-1 The above is certified to be true. � Firm Name ( Certified Tester Firm Address nC� �' Cert. Tester No. Date X �. Gauge # ' -' 17S 9 Date last accuracy tested 7 A 6 t 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 DSid Tight ❑ RP -_Dsid Leaked ❑ Leaked O DSid nSid Did not Open ❑ Leaked ❑ Reps and Materials Used Test After DC- Closed Closed Tight C Opened at Opened at nsid Repair Tight ❑ Dsid nSid RP sid The above is certified to be true. � Firm Name ( Certified Tester Firm Address nC� �' Cert. Tester No. Date X �. Gauge # ' -' 17S 9 Date last accuracy tested 7 A 6 t White - Customer's Copy Yellow - City Copy Pink - Tester's Copy