MIL-HDBK-1032/2
every system. Figure 32 illustrates column spacing parameters which affect
bay dimensions. For large facilities designed for a specific system, greater
utilization of building area will be obtained by selecting a column spacing
matching the requirements of the material handling system. When selecting a
column spacing pattern, consider the following:
3.8.4.1
Universal Bay Size. If a general purpose facility is required, or a
specific materials handling system has not been selected, maintain versatility
in selecting the universal pattern subject to the following considerations:
a) The universal pattern will not represent the optimum spacing for
all systems.
b) The facility may be more costly than necessary because of the
inefficient use of space. A smaller building can generally be constructed if
the optimum column spacing is used.
c) Use of the universal pattern will permit the building to fulfill
a variety of missions due to its ability to function with many materials
handling systems.
3.8.4.2
Optimum Bay Size. Use of the optimum bay size for a particular
materials handling system will provide the most efficient use of the building
area. In addition:
a) Use of the optimum bay size will reduce the size of the required
building due to more efficient use of the building cube.
b) Ultimate versatility of the facility will be reduced because the
column pattern will not fit every system.
Comparison of Bay Sizes. The information presented in Table 5
3.8.4.3
provides comparison information to enable a designer to measure the effects of
changes to the building bay size. Use of the universal bay size results in an
average 7 percent increase in required building area.
3.8.4.4
Clear Storage Height. For storage less than 15 feet (4570 mm) high,
at least 18 inches (460 mm) is required between the top of the load and any
overhead obstructions and sprinklers. For storage above 15 feet (4570 mm)
high, at least 36 inches (915 mm) of clearance is required. Refer to
DOD 4145.19-R-1 for details.
Clear height requirements for specific levels of storage, as well as
three modular clear heights covering a range of storage levels, are summarized
in Table 6. Construction of a covered storage facility to a modular height
greater than that required for the desired system or level of storage will
result in an unutilized cube and extra construction and operating costs.
3.8.5
Communication Systems. Provide telephones, service entrances,
telephone cabinets, conduit runs, and telephone outlets. Locate at least one
telephone in each office.
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