NFPA 25 Reference Guide

For your reference, below is a list of the different types of inspections, tests and maintenance periods to maintain compliance with the State Fire Marshal.

Frequency

Inspection

Reference
Quarterly Gauges (dry, preaction, and deluge systems)
Quarterly Control Valves 5.2.4.2
Quarterly Water flow alarm devices 13.1.1.2
Quarterly Valve supervisory alarm devices 5.2.5
Quarterly Supervisory signal devices (except valve supervisory switches) 5.2.5
Quarterly Gauges (wet pipe systems) 5.2.4.1
Quarterly Hydraulic nameplate 5.2.6
Quarterly Spare sprinklers 5.2.1.4
Quarterly Fire department connections
Prior to freezing weather Buildings 4.1.1.1
Annually Hangers/seismic bracing 5.2.3
Annually Pipe and fittings 5.2.2
Annually Sprinklers
Annually Information sign 5.2.8
5 Years Hanger/seismic bracing in accessible concealed spaces 5.2.3.3
5 Years Pipe and fittings in accessible concealed spaces 5.2.2.3
5 Years Sprinklers in accessible concealed spaces 5.2.1.1.6
5 Years Obstruction, internal inspection of piping 14.2

Tests
Annually Water flow alarm devices Mechanical devices 5.3.3.1
Annually Water flow alarm devices Vane and pressure switch type devices 5.3.3.2
Annually Valves supervisory alarm devices 13.1.1.2
Annually Supervisory signal devices (except valve supervisory switches) 13.1.1.2
Annually Main drain 13.1.2
Annually Antifreeze solution 5.3.4
5 Years Gauges 5.3.2
5 Years Sprinklers — extra-high temperature 5.3.1.1.1.4
20 Years/ 10 Years Sprinklers — fast-response 5.3.1.1.1.3
50 Years/ 10 Years Sprinklers 5.3.1.1.1
75 Years/ 5 Years Sprinklers 5.3.1.1.1.5
10 Years/ 10 Years Sprinklers-dry 5.3.1.1.1.6

Maintenance
Annually Valves (All Types) 13.1.1.2
Annually Low-point drains (dry pipe system) 13.4.4.3.2
Annually Sprinklers and automatic spray nozzles protecting commercial cooking equipment and ventilation systems 5.4.1.9
5 Years FOC Backflush 14.3
5 Years Obstruction 13.1.1.2