UFC 3-600-01
17 April 2003
with change 16 January 2004
6-14.2.7
Provide automatic shutoff switch to deactivate hydraulic pump upon
loss of pressure.
6-15
AIRCRAFT HANGARS. Requirements listed in this section are
applicable to both fixed wing and rotary wing aircraft for fuel cell maintenance
facilities, corrosion control and protective coating, and general-purpose
maintenance hangars. These criteria apply to new hangars, the renovation or
modernization of existing hangars, and permanent Tension Fabric Hangars. All
aircraft hangars will be provided with an overhead water only sprinkler system at
the ceiling and a low-level fire suppression system providing coverage for the
entire aircraft storage and servicing floor area to within 1.5 m (5 ft) of the
perimeter walls and doors. The passive fire protection and life safety
requirements must comply with NFPA 101 and NFPA 409, Standard on Aircraft
Hangars.
Note 1: For Air Force projects, refer to Air Force ETLs for
requirements.
Note 2: For Navy / Marine Corps projects, refer to NAVFAC Interim
Technical Guidance for requirements.
Note 3: For Army helicopter hangar projects, refer to Army ETLs
for requirements.
6-15.1
Tension Fabric Hangars. The minimum separation between
tension fabric hangars and all other structures will be 30.5 m (100 ft), with a clear
zone of 15.3 m (50 ft) immediately adjacent to the tension fabric structure. The
clear zone cannot be used for storage and must be clear of vegetation
(maintained lawn is permitted). The clear zone may be used as a street or
driveway, but not for vehicle parking.
6-16
AIRCRAFT ACOUSTICAL ENCLOSURES.
6-16.1
Complete Enclosures (Hush-House). Requirements are the
same as those listed in paragraph 6-15, separate manual controls for actuation of
each foam system provided in the control room.
Exception: Air Force installations containing approved gaseous fire
extinguishing systems and high-expansion foam systems.
6-16.2
Out of Airframe Acoustical Enclosures (Test Cells). Provide the
requirements for complete acoustical enclosures listed in paragraph 6-16.1. In
lieu of an overhead AFFF system, the following may be provided:
6-16.2.1
An overhead water deluge system having a density of 14.3
L/min/m (0.35 gpm/ft2) over the entire floor area; and a water spray system for
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