MIL-STD-2189(SH)
SECTION 672-1
24 December 1987
4.2.1 Net stowage capacity of each type of stowage aid. Net stowage
capacity for each type of stowage aid shall be calculated as follows:
(a) Calculate the area of each unit of stowage.
(1)
Drawer, bin, shelf, or rack. Multiply the clear width
times the clear depth. Measurements shall be as shown on
figure 2. Ignore partitions or dividers within drawers
since these are covered by the packing factor.
(2) Bulk. Multiply the clear width within the boundaries of
bulkheads or battens times the clear depth. Bulk spaces
shall be serviced by aisles according to the following
guidelines:
a.
Aisles shall have a clear width of 510 millimeters (mm)
(24 inches). This requires an aisle width of 740 mm
(29 inches) for telescopic tube battens, and 760 mm
(30 inches) for portable battens.
b.
The aisle shall extend from the door to within 915 mm
(36 inches) of the bulkhead opposite the door.
c.
No portion of the storeroom shall be more than 1.5
meters (5 feet) from an aisle.
d.
Access shall be provided to all valves, damage control
fittings, operating gear, and manholes.
(b) Calculate the gross stowage capacity of each unit of stowage by
multiplying the area determined above by the clear height.
Height measurements shall be as shown on figure 3. Subtract
any interferences such as pipes, vents, fans, light fixtures,
and so forth which fall within the boundaries of the width,
depth, or height measurements.
(c) Determine the total gross stowage capacity for each type of
stowage aid by adding the gross stowage capacity for each unit
of the stowage aid within the storeroom.
(d) Calculate the net stowage capacity of each type of stowage aid
by multiplying the gross stowage capacity for each type of
stowage aid times the packing factor provided below.
Type
stowage
Packing
aid
factor
Drawer
70
percent
Bin
60
percent
Shelf
60
percent
Rack
75
percent
Bulk
90
percent
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