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 TB 55-1900-231-15
J. Install the shipping cover over the operators cab air conditioner and properly secure.
Seal cover
junction with pressure sensitive tape and glue.
K. Using one (1) inch thick wooden blocks, block open the refrigerator and oven doors in the crews' mess.
Shut the galley sink drain valves. Install the crews' washroom sink stoppers in their drains. Tape over the
shower stall deck drain and the water cooler drain and vent. Shut and dog all port- holes and blackout covers
in the living quarters except the one above the refrigerator. Install a wooden blank secured with pressure
sensitive tape over the galley range exhaust fan intake. Tape or pack with duct seal any other holes found.
L. Close and dog the existing gooseneck vent covers for the following:
1.
CHT room natural vent.
2.
Living quarters and CHT room supply fan intake.
3.
Crews' washroom natural exhaust.
4.
Tape over the crews' berthing gooseneck natural vent.
Seal any gaps found with pressure sensitive tape and glue.
M. The voids adjacent to the port and stbd. living quarters storerooms and the port and stbd. enginerooms
have cutouts in their longitudinal (running fore and aft) bulkheads at bilge level. Tape over cutouts with
pressure sensitive tape.
N. Ensure that all service, fill, drain, firefighting, and overboard discharge connection valves on the main
deck, deckhouses, and machinery house are closed and their caps installed.
P. The towing bridle is stowed in Hatch #3, third manhole from centerline stbd. side.
III. DYNAMIC DEHUMIDIFICATION:
A. The dehumidified area as shown in Figures D-1 and D-2 will consist of four (4) areas:
1.
The
machinery house.
2.
The
living quarters and the storerooms below.
3.
The
CHT room.
4.
The
port and stbd. engineroom.
B. The areas will be connected in series with dry air supplied by way of a 4" PVC pipe coupling to the
machinery house and humid air removed from the engineroom by way of 4" flexible hose. Connect
long runs of flex hose with 4 " PVC pipe nipples and hose clamps. Connect long runs of 4" PVC pipe
with 4" PVC pipe couplings.
C. Dry air will be introduced to the machinery house through a 4" PVC pipe coupling fitted in a wooden
blank equipped with a simple quick-acting dogging device or strongback securing device with strips of
1/8 inch neoprene rubber glued to the wood to provide a flexible seal between the wood and the stbd.
machinery house door coaming. The dry air pipe coupling shall be installed as high as possible in the
blank and the humid air pipe coupling as low as possible through the same blank.
D-3
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