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2013_0606 (3)! CHECK ONE: IRRIGATION DOMESTICJ FIRELINE BACIGLLOW PREVENTION ASSEMBLY TEST AND MARMNANCE REPORT NAME OF PWS: CITY OF COPPELL PWS I.D. # LOCATION OF SERVICE. Postal Service, 951 W. Bethel Road 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 ❑ Reduced Pressure Principle a Pressure Vacutnrt Breaker 0✓ Double Check Valve ❑ Atmosphere Vacuum Breaker Manufacturer Hersey size 4 Model Number DC Located At Riser #2 Serial Number 8019883 The above is certified to be true. Firm Name Professional Backflow Firm Address 5068 Avery, The Colony Gauge # 372461 Date last accuracy tested 03103/13 Certified Tester Scott Masdon Cent. Testa No. 2524 Date 06/06/13 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 DC- Closed 2.4 Closed Tight 0 Opened at Opened at i_ nsid Tight Q Leaked O &A sid `psid RP -_psid 2 2 Leaked D Did not Open C LeaL-ed D Reps and Materials Used Test After DC- Closed Closed. Tight o Opened at Opened at __ nsid Repair Tight ❑ `psid __psid RP ------- Dsid The above is certified to be true. Firm Name Professional Backflow Firm Address 5068 Avery, The Colony Gauge # 372461 Date last accuracy tested 03103/13 Certified Tester Scott Masdon Cent. Testa No. 2524 Date 06/06/13 White - Customer's Copy Yellow - City Copy Pink - Tester's Copy