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 TM 55-1905-223-10
WARNING
The Water Washdown System (WWS) is not designed nor intended to be
a stand alone fire extinguishing system. It is designed to be used in
conjunction with the installed FM-200 fixed fire extinguishing system.
In the event of an onboard fire emergency failure to activate the FM-200
fixed fire extinguishing could result in equipment damage, death or
serious injury.
a. Authority to Activate WWS. The authority to activate the FM-200 fixed fire extinguishing system
and the WWS protecting the engine room, tunnel and bow thruster room will be issued by the
person in charge at the scene.
WARNING
To provide adequate flow of seawater to the engine room WWS, the
bow thruster emergency fire pump must be operated at minimum
pressure of 121 psi.
During operation of the WWS, residual capacity of the bow thruster
emergency fire pump exists for three 1 " fire hoses at full stream
or seven 1 " hoses at spray. Failure to operate bow thruster ramps
at 121 psi could result in equipment damage or serious injury to
personnel.
b. Activation Procedures Engine Room (WWS). Evacuate all personnel from the protected space.
Place Bow Thruster Emergency Fire Pump online at maximum operating pressure.
WARNING
The WWS should always be ready to immediately deploy by disengaging
the locking mechanism on the ball valve handle. Pad locking of this
handle should only occur during system maintenance or equipment
damage, death or serious injury could occur.
Activate the WWS by unlocking and opening valve WWS-1, Engine Room WWS Control Valve.
Valve WWS-1 is located in the Engine Room WWS Control Station located in the Starboard
Passageway, main deck, at Frame 40.
WARNING
In the event the FM-200 system electric horn/strobe or warning lights
(amber strobe) are activated, leave the protected space immediately.
FM-200 is being released within 60 seconds, death or serious injury
could occur.
NOTE
Upon actuation of the FM-200 fire extinguishing system, a 60 second
delay in agent discharge will be experienced. During this delay, FM-200
system electric horn/strobe will sound, FM-200 warning bell will sound,
and the FM-200 warning lights (amber strobe) will be illuminated.
Change 10
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