Sprinkler systems save lives — but only if they are properly maintained. According to NFPA 25, any sprinkler system containing control valves without electronic supervision should be checked on a weekly basis to make sure that they are in the open position. Additionally, at least four times each year, a full sprinkler system inspection should be performed by a certified technician.
Check dry pipe valve rooms or enclosure system.
Inspect auxiliary drains to prevent freezing.
Check unsupervised control valves.
Check air and water pressure on dry pipe systems.
Test sprinkler alarms on sprinkler systems that do not have electrical supervisory signal service only.
Inspect valves which are locked open.
Test supervisory transmitters and water.
Inspect valves that are electrically supervised.
Test gate valve supervisory switches and other sprinkler and fire protection system supervisory devices.
Check exposed sprinkler system pipe hangers and sprinkler heads.
Inspect dry pipe valve priming level.
Inspect fire department connections, test water flow on wet sprinkler systems.
Trip-test dry pipe trip system (control valve not required to be fully open).
Test flow of water supply – to be completed only by qualified contractor.
Trip-test dry-pipe valves with control valve fully open – to be completed only by a qualified contractor.
Flushing of the sprinkler system is required
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