UFC 3-600-02
1 January 2001
2-2.3
Wet Pipe Automatic Sprinkler Systems. Technical guidance on the tasks in
Table 2-2 is contained in NFPA 25. Residential sprinklers are addressed in Chapter 3.
Table 2-2. Wet Pipe Sprinkler Systems ITM Tasks
Component
Tasks
Monthly
1. Control Valves (without
1. Verify valve position.
lock or supervision)
Annual
1. Control Valves (locked or
1. Verify valve position.
supervised)
1. Operate to verify initiation and
2. Waterflow Alarm Devices
receipt of alarm.
2. Verify alarm test valve alignment and
tamper switch (if supervised).
1. Visually check exterior of valves,
3. Alarm Valve and Trim
gauges, trim alignment.
2. Verify valve pressure and legibility
of hydraulic nameplate.
1. Conduct main drain test to verify
4. Main Drain
supply (valve position)
1. Verify accessibility and condition.
5. Fire Department
2. If caps removed or missing, check
Connection
for obstructions.
1. Operate valve through entire travel to
2 Years
1. Control Valves
verify function.
2. Lubricate valves and stems to ensure
operability.
1. Alarm Valve
1. Clean and inspect internally to
5 Years
verify condition.
2. Anti-freeze Loops
1. Confirm correct solution mixture
10 Years
1. Gauges
1. Recalibrate or replace gauges.
1. Fast Response Sprinklers
20 Years
1. Test sample heads to verify
and Extra High Temperature
response characteristics.
Heads
1. Replace or test sample heads to
50 Years
1. Standard Sprinkler Heads
verify response characteristics.
As Part of
Entire System
Visually check:
1. Pipe hangers.
Building
2. Heads for obstruction.
Inspection
3. Piping for leaks.
4. Riser condition.
5. Sprinkler spares.
6. Area susceptible to freezing.
2-4
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