Tested (6) backflow preventers. Location: water heater mechanical room back of building Use: fire Type: dc Make: Ames Model: colt 200 Serial Number: UC-2042 Size: 4 INCH 1st check: 3.0 2nd check: 3.0 Relief: N/A Water Pressure: 62PSI Location: WATER HEATER MECHANICAL ROOM BACK OF BUILDING Use: DOMESTIC WATER Type: DC Make: APOLLO Model: DCLF4A Serial Number: 75005 Size: 3 INCH 1st check: 3.0 2nd check: 3.0 Relief: N/A Water Pressure: 62 PSI Location: GROUNDS CREW SHOP Use: IRRIGATION Type: PVB Make: APOLLO Model: PVB4A Serial Number: 80000A Size: 1-1/2 INCH 1st check: 1.0 2nd check: 2.4 Relief: N/A Water Pressure: 62 PSI Location: FIRE SPRINKLER ROOM 3RD BASE SIDE Use: FIRE Type: DC Make: APOLLO Model: DCLF4A Serial Number: 74548 Size: 4 INCH 1st check: 3.0 2nd check: 3.0 Relief: N/A Water Pressure: 68 PSI Location: BOX OFFICE SPRINKLER ROOM Use: FIRE Type: DC Make: AMES Model: COLT 200 Serial Number: UB-2410 Size: 4 INCH 1st check: 2.6 2nd check: 3.6 Relief: N/A Water Pressure