MIL-HDBK-1028/1C
adjacent to the hangar area should be load-bearing, insulated,
concrete-masonry unit construction with open-web, steel-joist
roof. The strip/rinse room should be equipped with a 1,814 kg
(2-ton) overhead monorail. The requirements of NFPA 33, Spray
Application Using Flammable or Combustible Materials, should be
incorporated into the design.
3.3.2
Walls. With the exception of the following criteria,
walls should be in accordance with par. 2.3.3:
a) Exterior walls of the hangar area should be a steel
frame and girts framing system with insulated preformed
(corrugated) metal siding. Exterior walls of the other areas
should be insulated concrete masonry units.
b) The hangar area should be separated from paint
mixing and storage rooms, chemical mixing room, cleaning gear
and storage room, corridor, and toilet and locker areas, by 2-
hour fire-rated walls.
c) Hangar bays in multiple bay structures should be
separated by 3-hour fire-rated walls.
d) Provide seals at doors, wall penetrations, and
building joints in the hangar bays and ancillary spaces to
ensure airtight performance to maintain pressure differentials
and prevent contamination of the air in the hangar bay.
3.3.3
Roofs.
Roofs should meet the criteria defined in par.
2.3.2.
3.3.4
Floors.
Floors should meet the following criteria.
a) The hangar area floor should be designed in
accordance with criteria in MIL-HDBK-1021/2 and MIL-HDBK-1021/4.
b) Other floors should be designed in accordance with
the criteria manual series on structural engineering, and should
be provided with resilient tile or sheet floor coverings, as
specified in NFGS-09651, NFGS-09655, or NFGS-09656.
c) For new construction, use of a thin epoxy white
reflective floor coatings is prohibited. Include a white dry
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