> NFPA 25
Summary of Sprinkler System Inspection, Testing, and Maintenance

Item ------------------ Activity ------------------ Frequency
Gauges (dry, preaction, and deluge systems) Inspection Weekly / Monthly
Control Valves Inspection Weekly / Monthly
Alarm Devices Inspection Quarterly
Gauges (wet pipe systems) Inspection Monthly
Hydraulic nameplate Inspection Quarterly
Buildings Inspection Annually (prior to freezing weather)
Hanger / Seismic Bracing Inspection Annually
Pipe and Fittings Inspection Annually
Sprinklers Inspection Annually
Spare Sprinkler Inspection Annually
Fire Department Connections Inspection Quarterly
Valves (all types) Inspection
Alarm Devices Test Quarterly / Semiannually
Main Drain Test Annually
Antifreeze Solution Test Annually
Gauges Test 5 Years
Sprinklers - Extra-High Temperature Test 5 Years
Sprinklers - Fast Response Test At 20 years and every 10 years thereafter
Sprinklers Test At 50 years and every 10 years thereafter
Valves (all types) Maintenance Annually or as needed
Obstruction Investigation Maintenance 5 years or as needed
Low Point Drains (dry pipe systems) Maintenance Annually prior to freezing and as needed

 

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