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 TM 55-1905-223-10
(16) Ventilation Forced ventilation for the deck/sick bay toilet is provided by ducting up to the
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pilothouse deck toilet and sick bay exhaust fan EF-4 (FIGURE 1-32, Sheet 1). Natural inlet ventilation is
provided by through-door louvers on the deck/sick bay and galley passageway doors. Natural exhaust
ventilation is provided by through-door louvers on the remaining passageway doors.
d.
Main Deck Forward The forward main deck space contains the following heating and ventilation
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equipment (FIGURE 1-32, Sheet 4):
(1) Paint locker exhaust fan EF-7 (32).Exhaust fan EF-7 is a centrifugal fan with an "explosion
proof" electric motor V-belt drive which provides forced air exhaust for the paint locker room.
(2) Paint locker unit heaters UH-8 (33) and UH-8A (34)Unit heaters UH-8 and UH-8A are
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forced air, electric space heaters with "explosion proof" motors that provide heating to the paint locker room.
(3) Boatswain storeroom unit heater UH-7 (35)Unit heater UH-7 is a forced air, electric space
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heater that provides heating to the boatswain storeroom.
(4) Ventilation. Ventilation of the paint locker room is provided by screened and watertight inlet
and exhaust louvers on the forward and aft inboard bulkhead. Ventilation of the boatswain storeroom is
provided by screened and watertight inlet and exhaust louvers on the forward inboard bulkhead and aft
bulkhead, respectively.
e.
Below Main Deck Af.t Spaces situated below the main deck aft are equipped with the following
HVAC equipment (FIGURE 1-32, Sheet 5):
(1) Steering gear room unit heater UH-3 (36).Unit heater UH-3 is a forced air electric space
heater that provides heating to the steering gear room.
(2) Steering gear room exhaust fan EF-3 (37).Exhaust fan EF-3 is an axial fan with electric
motor direct drive that provides forced air exhaust ventilation for the steering gear room.
(3) Engine room operating station duct heater DH-17 (38). uct heater DH-17 is a duct
D
mounted, flanged type, electric heater that provides heating for the engine room operating station.
(4) Engine room unit heater UH-2 (39).Unit heater UH-2 is a forced air electric space heater
that provides heating to the engine room port side.
(5) Machine shop supply air fan SF-1 (40)Supply air fan SF-1 is an axial fan with electric motor
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direct drive that provides forced supply air from a gooseneck ventilator located on the main deck.' Forced
supply air is provided through ducting to the machine shop, tool locker, tunnel, storeroom, and engine room
operating station.
(6) Machine shop unit heater UH-9 (41).Unit heater UH-9 is a forced air electric space heater
that provides heating to the machine shop and tool room.
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