DG 1110-3-106
uses tank turrets mounted in shop areas to train
(3) Area Calculations.
personnel in aspects of tank gunnery and crew
procedures. The same planning applies for both types
a. Definitions.
of instructional shops. Spatial planning for both types
A = Average number of students in each session.
of equipment must consider:
B = Number of students assigned to each item of
practice equipment or to each training aid.
C = Number of items of practice equipment or
(1) Equipment Dimensions.
training aids required = A.
B
(2) Equipment Weight.
D = Square feet of floor area occupied by each item
of practice equipment or each training aid (includes
(3) Number of Equipment Items.
critical dimensions and clearances in all directions,
safety requirements, aisles, and fire exits).
(4) Clearance for Movement of Equipment.
E = Square feet of floor area required for one
student working on or around each item of practice
(5) Space Needed Around Equipment for Operation
equipment or each training aid.
and Maintenance Training.
F = Net square feet area of instructional laboratory.
(6) Special Equipment, Controls, or Cable Limits.
Especially for mockup equipment, the spatial and
b. Formula.
mechanical/electrical requirements for devices which
[(B x E) + D] x C=F.
activate and control mockup equipment must be set.
An example is special filtration and cleaning of air for
c. Instructional Changes.
laboratories/shops having optical or electrical
Add 20 percent allowance to F for instructional
equipment, general or local ventilation, or exhaust
changes due to technology advances.
systems if fumes, smoke, other air contaminants, or
excessive heat are present. (Figure 4-22).
d. Graphic Layout.
A graphic layout should be made. The arithmetical
square footage derived by the formula process can be
D. Space Utilization.
deceiving; this is particularly so where circular or odd-
shaped items of practice equipment and training aids
(1) Size.
are needed.
Teaching methods and student equipment should be
carefully analyzed to determine how much laboratory
e. Human Engineering Factors.
space is needed. Standard space criteria are not set for
Human engineering factors, including safety and
this type of space because requirements vary with the
lighting, should be considered at the start of the
subject matter being taught; this, in turn, determines
planning process.
the training devices, equipment, and aids to be used.
The number of these items that will be used in the
E. Access/Circulation.
laboratory is determined by the student/equipment/
(Figure 4-23 and paragraph 5-2 below).
instructor ratios set for a course. Space requirements
for each laboratory will be stated in terms of the size
of training devices and equipment. They will include
F. Storage.
required floor area, ceiling and door height, power
source, etc. Other space requirements include the
(1) Size.
amount of circulation space needed around each piece
Shop areas with ample storage space should be
of equipment for its use and maintenance. (A general
provided. The amount of space required must be set
square foot estimate is 30 to 60 square feet per student
for each school.
and a ceiling height of 10 feet.) Movable partitions can
be used to subdivide laboratory/shop space.
(2) Location.
(2) Shape.
a. Storage areas should be accessible to delivery
Whenever possible, the laboratory/shop should
vehicles. (Figure 2-10).
duplicate actual work setting. It may be hard to
duplicate real work station and shop layouts in a
b. Storage areas should act as acoustic barriers
school. Layouts should be checked to see if course
between shops and other school activities. (Figure 5-4).
goals and training methods are accommodated.
c. See paragraph 2-4c(2)(m) above for additional
.
information on storage spaces.
4-22
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