MIL-HDBK-1028/1C
around the specific dimensions of the aircraft concerned. With
the exception of the following special requirements, the
corrosion control hangar should be designed using the general
architectural and structural requirements for maintenance
hangars set forth in par. 2.3.
a) The size of the various aircraft scheduled to use
the facility will determine the hangar bay dimensions. Size the
bay to accommodate fixed-wing aircraft with wings unfolded, and
helicopters and V-22 with rotors in place and unfolded unless it
has been determined that aircraft surfaces are accessible with
the wings/rotors folded. The following minimum clearances are
required to allow proper access for work platforms and to
minimize paint overspray on hangar walls and ceilings:
(1) Top of aircraft (vertical fin, radome, rotor
head, tail rotor) to underside of ceiling - 1.53 meters
(5 feet);
(2)
Nose of aircraft to hangar door - 3.05 meters
(10 feet);
(3) Tail of aircraft or tail rotor to exhaust
target wall - 3.05 meters (10 feet); and
(4) Horizontal and vertical clearance from aircraft
to open front door - 1.53 meters (5 feet).
In addition to these clearances, the depth of the door
and exhaust plenum (T) is required to properly size the hangar
bay. The equation T = 1/5H defines this depth where H is the
height of the aircraft at its highest point plus 1.53 meters (5
feet). Note that the depth (T) does not include the thickness
of the structure of the door or the filter media.
b) The number of hangar bays for each site should be
based on an analysis of aircraft types, production schedules,
hours required for each corrosion control operation, and number
of work shifts. Refer to NAVFAC P-80 for criteria to develop
the required quantity of bays. If the work load includes a mix
of large and small aircraft, a moveable partition at the center
of the bay can be used. Bays in which stripping, blasting, or
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