UFC 3-600-02
1 January 2001
2-2.7
Water Spray Systems. Detection devices for actuation are addressed in
paragraph 2-2.2. Technical guidance on these tasks is contained in NFPA 25.
Table 2-6. Water Spray 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)
2. Waterflow Alarm Devices
1. Operate to verify initiation and
receipt of alarm.
2. Verify alarm test valve alignment
and tamper switch (if supervised).
3. Pre-Action Valve and
1. Inspect exterior of valves, gauges,
Trim
trim alignment.
2. Verify valve pressure and legibility
of hydraulic nameplate.
4. Main Drain
1. Conduct main drain test to verify
supply (valve position).
5. Fire Department
1. Verify accessibility and condition.
Connection
2. If caps removed or missing, check
for obstructions.
6. Valve and Riser
1. Verify operability at beginning of
Enclosure Heater
heating season.
7. Low Temperature Alarm
1. Verify initiation and receipt of
alarm at beginning of heating
season.
2 Years
1. Control Valves
1. Operate valve to verify operability.
2. Lubricate valve stem.
2. Water Spray Valve
1. Trip to verify operability.
2. Verify manual actuators (if
provided).
3. Verify spray pattern (if exper-
ience shows nozzles are not
moved, this can be extended to
10 years or after modifications).
4. Inspect interior of valve and clean
valve seat before resetting.
2-10
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