Figure 3-10. A dessicant-type dehumidifier

TM 38-400/NAVSUP PUB 572/AFMAN 23-210 MCO 4450.14/DLAM 4145.12

Figure 3-10. A dessicant-type dehumidifier

are generated which greatly increase the infiltration of

These machines are installed at prescribed intervals

outside air.

within the warehouse to draw in the moist air, extract the

moisture, and blow the dry air into the area. To

d. To offset any operational disadvantage

eliminate obstructing operating areas, these machines

occurring as a result of the "closed door" policy, a

can be located on elevated platforms.

convenient means can be provided that will cause cargo

b. It is essential that the entrance of humid air into

doors to immediately open and subsequently close when

CH warehouses be kept to the minimum in order to

entrance or exit is made. It is time-consuming for

maintain the RH at desired level. Door control is most

operators to dismount from their vehicles, open the

important, since the greatest source of moisture

doors, remount the vehicles, and drive through the

penetration is through open doors. An alarm system

doors and then dismount once again to close the doors

may be provided to signal open doors.

behind them.

c. Movement of supplies into and out of CH space

e. Use of power-actuated auxiliary doors is one

will be planned to the greatest extent practicable, so that

recommended means for counteracting this problem in

only one exterior cargo door in a section is open at a

active CH areas. Large curtain-type rubber metal doors

time. When two doors are open at the same time,

actuated by contact with MHE (e.g., tractors, forklift

particularly on opposite sides of the warehouse, drafts

trucks, etc.) can be installed in appropriate openings

3-38