MIL-HDBK-1027/4A
b) Device Area or Trainee Room. Most motion simulators will have
integral air conditioners for the cockpit and dome areas provided by the
device manufacturer. Locate manufacturer provided condensers, condensing
units and other device associated heat rejection equipment outside the
facility such that heat removed from the device is not released into the
device area and does not become part of the facility air conditioning load.
Non-motion simulators normally require specialized ducting from manufacturer
provided air conditioners to cool the space inside the dome and cockpit.
Training equipment installed in this area by the manufacturer should be
equipped with integral filters at cooling air intakes to minimize dust
circulation in and around sensitive electronic equipment. See "trenches"
below for routing of ducts. Temperature stratification within the high bay
must be avoided as the top of the dome visual display will collect heat on
the inside surface, requiring cooling air at that point. Provide drains for
collection and discharge of condensate. High bay ceiling fans may assist in
circulating stratified air. Locate ceiling fans above lighting to avoid
distracting shadows from moving blades. Where tape and/or disc drives are
used in this area, refer to requirements of Computer Rooms above.
c) OFT Trainer Room. Exhaust air from under the platform directly
to outside. Provide supply make up air.
d) Maintenance Storage.
Air conditioning is required to prevent
deterioration of the parts stored.
e) Computer Room and Instructor/Operator Station. Select air
conditioning units specifically designed for electronic facilities.
2.2.6.5
Controls. Direct digital control (DDC) is the control system of
choice for HVAC systems. Consider life cycle cost, maintenance requirements,
and customer preference.
2.2.6.6
Trenches. The simulator manufacturer may require a trench to
accommodate dome and cockpit air conditioning ducts. Flexible ducts for
cockpit conditioning will extend through a trench cover cutout up and into
the cockpit housing. Identify trenches which contain air ducts and provide
cover plate cut out configurations per device manufacturer recommendations.
Seal inside of trench with epoxy except where synthetic hydraulic fluids are
used. Consult hydraulic fluid manufacturer for trench sealer where synthetic
fluids are used.
2.2.7
Plumbing. General guidance for plumbing design is provided in
DM-3.01, Plumbing Systems. Coordinate plumbing with structural design to
avoid conflicts between underground pipes, trenches and footings. Provide
shut-off valves to isolate systems when doing maintenance, so that entire
facility is not affected by an outage. Do not locate roof drains and roof
drainage piping over computer spaces and trainer devices to prevent damage to
equipment in case of leakage or condensation.
Computer Room. Provide rising water alarm under the access floor
to monitor condensate and water table seepage. Consider floor drains below
access floor where water infiltration is likely.
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