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 TM 55-1905-223-SDC
Section XIII. FIRE PROTECTION SYSTEM
6.25. EQUIPMENT Fire Protection equipment, heat detectors, manual fire alarm stations and associated
warning bells, horns and alarms are located in various locations throughout the vessel. An alarm panel,
located in Damage Control Central, in the Pilothouse, monitors six subdivisions or zones. Power for the main
panel (24 VDC) is normally supplied through the emergency switchboard 24 VDC distribution.
a. Fire monitoring zones. The six fire zones are located as follows:
Zone
1
Main and Second Decks (Forward)
Zone
2
Second Deck (Amidship)
Zone
3
Second Deck (Aft)
Zone
4
Main Deck (Aft)
Zone
5
01 Level
Zone
6
Pilothouse
b. Alarm panel. The alarm panel in Damage Control Central contains modules which give visible display, by
zone, of alarm conditions. In addition to an LED display, an alarm bell sounds to alert the watchstanders to
abnormal conditions.
c. Thermal detectors. There are 31 thermal detectors installed on the LCU. Three of these are 140
sensors and 22 are 160 and six are 225 sensors.
c.
Sensor distribution. The following list describes the units installed on the LCU, by zone and location:
Zone 1
Location
Temperature Setting
Bowthruster Room, Second Deck
225F
Paint Locker (Main Deck)
140F
Boatswain's Storeroom
160F
Zone 2
Location
Temperature Setting
Engineering Storeroom
160F
Machine Shop
160F
Tunnel (Frame 23)
160F
Tunnel (Frame 19)
160F
Zone 3
Location
Temperature Setting
Machinery Space Control Station
160F
Machinery Space (Starboard)
225F
Machinery Space (Centerline)
225F
Machinery Space (Port)
225F
Zone 4
Location
Temperature Setting
Arms Control Room
140F
Sickbay
160F
Recreation Room
160F
Crew's Mess
160F
Change 1 6-21
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