MIL-HDBK-1028/1C
3.5.2
Lighting. The electrical requirements for lighting
should be as follows:
a) Interior
lighting in the main hangar bays should
provide 1076 lux (100
footcandles) measured 0.76 meters (30
inch) above the floor
using metal halide fixtures. Future
aircraft finishes may
require other types of lights. Lighting
intensities elsewhere
are to be in accordance with
MIL-HDBK-1190.
b) Exterior lighting should be high-pressure sodium
vapor where practical and should be in accordance with
MIL-HDBK-1004/4.
c) Provide power outlets in the hangar bays for task
lights such as underwing task lighting.
d) Avoid the use of explosion-proof overhead fixtures
by providing sealed, ventilated space above the finished
ceiling.
3.5.3
Grounding. Two flush floor-ground receptacles, each
with a 19 mm (3/4-in.) diameter ground rod, 3.05 meters (10
feet) minimum length, should be provided near the center of the
aircraft position, with one on each side of the positioned
aircraft. Resistance to ground should be 25 ohms maximum. Bond
ground receptacles together with No. 4 AWG bare copper in or
below the hangar floor. See Figure 1 in par. 2.5.4 for typical
static grounding details.
3.6
Weight-Handling Equipment. The monorail hoist should be
in accordance with criteria in NAVFAC DM 38.01 and should be of
spark-proof construction with an explosion-proof motor.
Controls should be operable from the floor level and, when
electric, should meet the requirements indicated in par. 3.5.1.
3.7
Fire Protection. The fire protection design should be
in accordance with MIL-HDBK-1008C. The following features
should be provided:
a) In the hangar bays, requirements of par. 2.10.1
should be met.
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