Guide for computing occupied and vacant Space

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

Figure 2-57. Battery Storage in a Multistory Building

(b) Potential vacant space, type A, is

f. Guide for computing occupied and vacant

that portion of occupied net usable space which is

space.

temporarily not used for storage because of space voids

(1) During storage space surveys, estimates

in front of stacks of material (honeycombing) or space

and computations will be based upon pallet sizes and

voids at the height of stacks which can be made

square feet grids occupied by each, including overhang

available by rewarehousing or utilization of maximum

and space between pallet tiers. The factors to use for

heights in stacking. In computing potential vacant

various pallet sizes are

space on the floor, the following criteria is applicable:

(a) 32 inches x 40 inches = 12 square feet.

1 Distance less than 6 inches will

(b) 40 inches x 48 inches = 16 square feet.

be disregarded (e.g., 5 in = 0 ft; 1 ft 4 in = 1 ft).

2 Distances in excess of 6 inches

(d) 48 inches x 72 inches = 31 square feet.

will be figured as 12 inches or 1 foot (e.g., 9 in = 1 ft; 1

(e) Other size pallets will be computed by

ft 7 in = 2 ft).

multiplying the length plus 6 inches (2 in on each side

for overhang plus 1 in on each for space between tiers)

space, count the voids when maximum stacking heights

times the width plus 6 inches.

are not achieved and can be recouped by

rewarehousing. Multiply the number of void spaces by

(2) To determine whether a partially loaded

the cubic feet of each stack. The cubic feet of each

pallet is to be counted as full or empty, the standard will

stack is computed by multiplying the square feet factors

be a loaded pallet of a particular item and the following

for each pallet (see para f(1l) above) by the height of the

computation will be made:

pallet. Figure 2-58 provides an example of computing

type B potential vacant space. In this example, each

(a) Pallet containing less than 50

stack of type B potential vacant space is equal to 64

percent of an item will be considered as empty.

cubic feet (16 sq ft per 40by 48-in pallet multiplied by 4

(b) Pallet having more than 50 percent

ft high per pallet). In row B, there are two void spaces

of an item will be counted as full.

which equal 128 cubic feet (64 cu ft per stack multiplied

(3) Difference between "actual vacant space"

by two stacks). This method can also be used for the

and "potential vacant space"

depth of stacks. For example, if row B were two deep,

there would be 256 cubic feet of type B potential vacant

(a) Actual vacant space is the floor

space (64 cu ft per stack multiplied by two stacks high

area of net storage space which is not occupied by

multiplied by two stacks deep).

materials or storage bins.

DO NOT INCLUDE

POTENTIAL VACANT AS VACANT SPACE.

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