OPERATOR, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE
FIREFIGHTING, FIRE ALARM, AND FIRE SUPPRESSION SYSTEMS FOR
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUAL CONDITIONS
Tools and Special Tools:
Sampling Pump (Item 4, Table 2,
Six Crewmembers, Any MOS
SECURITY MEASURES FOR ELECTRONIC DATA
No electronic data is used or stored in the firefighting, fire alarm, and fire suppression systems aboard the LT.
FM-200 FIRE SUPPRESSION SYSTEM ACTUATION
The following steps must be accomplished prior to system actuation:
1. Evacuate all personnel from the engine room and AMS 1.
2. CLOSE the watertight doors between the engine room, AMS 1, and AMS 2 (TM 55-1925-273-10).
3. Align fire and general service pump 1 as the online fire pump (TM 55-1925-273-10).
FM-17 and/or FM-15 supplies raw water to various shipboard systems including the
refrigeration plant, the air conditioning plant, and the water maker. Failure to secure
power to these systems prior to closing the valves will cause damage to the equipment.
4. CLOSE the following valves:
a. FM-17, FIRE/G.S. PMP NO. 1 DISCH TO G.S. (figure 1, item 1)
b. FM-15, FIRE/G.S. PMP NO. 2 DISCH TO G.S. (figure 1, item 2)
5. OPEN WWS-1 (figure 2, item 1), located in the main deck vestibule, starboard side, to activate the Engine
Room Water Washdown System (ERWWS).
6. CLOSE the following:
a. PORT engine room supply fan intake damper (figure 3, item 1)
b. PORT engine room exhaust fan outlet damper (figure 3, item 2)
STBD engine room supply fan intake damper (figure 4, item 1)
d. STBD engine room exhaust fan outlet damper (figure 4, item 2)
e. AMS 1 supply fan intake hinged cover (figure 5, item 1)