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2012_0423CHECK ONE: IRRIGATION DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: The bac0ow prevention v assemb ldetailed below has been tested and maintained as required by TNRCC resuladons and is certified to be operating within acceptable parameters. Reduced Pressure Principle (^ Double Check Valve Manufacturer Model Number Serial Number 1) TYPE OF ASSEMBLY ❑ Pressure Vacuum Breaker C Atmosphere Vacuum Breaker 57 Size Located At Q ` �C to The above is certified w be true. Firm Name j i i�lTs� Certified Tester DU Firm A Cat. Testa No. 4r- M, 11� Date q4 i ho n -7 Gauge # 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 t 11 ` Leaked ❑ Dsid oSid RP- Psid 1 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 The above is certified w be true. Firm Name j i i�lTs� Certified Tester DU Firm A Cat. Testa No. 4r- M, 11� Date q4 i ho n -7 Gauge # Date last accuracy tested White — Customer's Copy Yellow — City Copy Pink — Tester's Copy