UFC 4-211-02N
10 January 2005
including change 3, 13 April 2007
b. Type B corrosion control hangars are designed for land-based
transport or patrol aircraft.
Because both construction and operating costs increase as the volume of the
hangar bay increases, design depot level corrosion control hangars for aircraft
larger than those accommodated by the Type B hangar and O/I level corrosion
control hangars around the specific dimensions of the aircraft concerned. Aircraft
dimensions can be found using the Aircraft Characteristics Database at
http://www.uscost.net/aircraftcharacteristics.
With the exception of the following special requirements, design the corrosion
control hangar using the general architectural and structural requirements for
maintenance hangars set forth in UFC 4-211-01N.
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 - 1.6 m (5 ft);
(2) Nose of aircraft to hangar door - 3.1 m (10 ft);
(3) Tail of aircraft or tail rotor to exhaust target wall - 3.1 m (10 ft);
and
(4) Horizontal and vertical clearance from aircraft to open front door
- 1.6 m (5 ft). 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 1.6 m (5 ft). Note that the depth
(T) does not include the thickness of the structure of the door or the
filter media.
Base the number of hangar bays for each site 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 workload 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 grinding are done will be separate from
spaces where painting is done.
7
Previous Page
