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2013_0415CHECK ONE: / IRRIGATION DOMESTIC FIRELINE BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT NAME OF PWS: PWS I.D. # CITY OF COPPELL LOCATION OF SERVICE: k 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 2� Double Check Valve Manufacturer Model Numbers Serial Number / )3,T TYPE OF ASSEMBLY C Pressure Vacuum Breaker C Atmosphere Vacuum Breaker Size Located At jUM BREAKER Check Valve nsid Leaked ❑ ....... sid The above is certified to be true. Firm Nam ir��f -u�,.• c Certified Tester It 1 Firm Adme442 &k / /.Q �M Llki .T Cert. Tester No. `7 / Date Gauge #Clo0T/ tai Date last accuracy tested / Z -/L — /Z- White - Customer's Copy Yellow - City Copy Pink - Tester's Copy REDUCED PRESSURE PRINCIPLE ASSEMBLY PRESSURE VACI Double Check Valve Assembly Ist Check 2nd Check Relief Valve Air Inlet Initial Test DC- Closed Closed Tight Opened at Opened at Tight /• & Leaked ❑ psid nsid RP -_ psid Leaked ❑ Did not Open ❑ Repairs and Materials Used Test Altar DC- Closed Closed Tight ❑ Opened at Opened at Repair Tight Cl nsid nsid RP sia jUM BREAKER Check Valve nsid Leaked ❑ ....... sid The above is certified to be true. Firm Nam ir��f -u�,.• c Certified Tester It 1 Firm Adme442 &k / /.Q �M Llki .T Cert. Tester No. `7 / Date Gauge #Clo0T/ tai Date last accuracy tested / Z -/L — /Z- White - Customer's Copy Yellow - City Copy Pink - Tester's Copy