Man Hours .5
Special Instructions:
This work should be scheduled immediately prior to the scheduled maintenance on
dry pipe valves or alarm check valves (wet pipe). Needed replacement of
sprinkler heads should be performed at that time.
Items to Check & Initial Completion:
1.___ Inspect and identify damaged, bent, corroded, painted, whitewashed, or
weeping sprinkler heads, all of which will need replacement.
2.___ Remove any insect nests attached to sprinkler heads.
3.___ Place light coat of oil on sprinkler heads located in areas conducive to
insect nests.
4.___ For sprinkler heads which are subject to above normal temperature (adjacent
to steam pipes, furnaces, ovens, hot gas, vents, exhaust, etc.), check
color coding of sprinkler heads for the proper temperature range. Identify
the sprinkler heads with improper temperature ranges, all of which will
need replacement.
5.___ Check that minimum distance of 18 to 36 inches is maintained between
sprinkler heads and racks, palletized stock, or other stacked materials.
6.___ Remove any ladders, stock or material which is being supported by the
sprinkler piping.
7.___ Replace broken pipe hangers and refasten any that have come loose.
8.___ Check that all water is drained from low points on dry piping systems.
Tools & Materials:
1. Standard Tool Kit
Plus Pipe wrenches to 24"
Tubing cutters
Flaring tool
Small acetylene outfit
Packing tool kit and packing
3/4" socket set
Crescent wrenches to 14"
2. Spare heads of proper temperatures.
3. Ladder.
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