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 TM 55-1915-200-SDC
NOTE
The controls for both the Bow Thruster Room and the Paint Locker HALON Systems are located
on the bulkhead next to the Store Room door.
c. Three tanks of 550 lb. capacity and with 432 lbs. of HALON for Engineering spaces are located in the Machinery
Room, Main Deck level, starboard side. Pull rings are in the passageway by the ladders. A siren for the HALON system
is located in the Engine Room, center line, at about frame 93.
Section XIII. FIRE PROTECTION SYSTEM
6-23. EOUIPMENT. Fire protection equipment, smoke detectors, 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, on the Bridge Deck, monitors 12 subdivisions or zones. Signals from the 12
monitored zones are relayed to the main alarm panel through six junction boxes. Power for the main panel (120 Vac) is
normally supplied from the main generators through a power transfer relay unit. Upon loss of power from the main
generators, the relay unit shifts to allow power to come from the emergency generator.
a. Fire monitoring zones. The 12 fire zones are located as follows:
Zone
1
Pilothouse and Radio Room
Zone
2
Officers Staterooms, and Sick Bay
Zone
3
Galley, Dry Storeroom, Crews Mess, and Officers Mess
Zone
4
Bow Ramp Hydraulic Machinery Room
Zone
5
Port side crew staterooms and toilets
Zone
6
Starboard side crew staterooms and toilets
Zone
7
Main Deck Starboard side, Forward Storeroom and Paint Locker
Zone
8
Main Deck After Starboard rooms
Zone
9
Main Deck After Port rooms
Zone
10
Engine Room
Zone
11
Control Room
Zone
12
Steering Compartment and Passageway
b. Alarm panel. The alarm panel in Damage Control Central contains modules which give visible display, by zone,
of alarm conditions; either smoke or high temperature. In addition to an LED display, an alarm bell sounds to alert the
watchstanders to abnormal conditions.
c. Smoke detectors. Thirty-eight ionization smoke detectors are installed on the LSV. The detectors are designed
to respond to the first traces of fire, in the form of visible smoke or invisible products of combustion. The units feature
adjustable sensitivity and have dual ionization chambers, one to detect the presence of combustion products and the
other to serve as a reference. The detector locks in upon alarm and must then be reset from the control panel.
6-20
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