MIL-HDBK-1028/3
Design. The building will normally be a single-story structure
2.2.2
and shall be constructed of noncombustible materials. Refer to para. 6-3.1,
NAVSEA OP-5, Volume 1, and NAVFAC P-397, for general design and construction
requirements for ammunition and explosive operating buildings. Loading/un-
loading docks shall be provided for rail cars or trucks as determined by the
location of the facility. Standard construction materials, and finishes
shall be in accord with NAVFAC DM-1 Series, Architecture, and NAVFAC DM-2
Series, Structural Engineering. Special construction, materials, and
finishes shall be in accord with paras. 2.2.2.1 through 2.2.2.4.
Walls. Walls of main shop areas shall be reinforced concrete.
2.2.2.1
Utilize barricades and blast walls to separate shop bays or work areas when
explosive hazards exist, depending on the nature of the operations involved.
Refer to para. 6-3.l.2d, Volume 1, NAVSEA OP-5, for further information on
substantial dividing walls.
Floors. Floors shall be reinforced concrete. Conductive spark
2.2.2.2
proof floor finish shall be provided in areas where black powder or other
high explosive is handled. Spark-resistant floors shall conform to Guide
Specification NFGS-09785, Metallic-Type Conductive and Spark-Resistant
Concrete Floor Finish. Resilient floor finish shall be provided for office
space only.
2.2.2.3
Roofs . Roofs in nonexplosives areas should normally be reinforced
concrete. Frangible roof sections shall be provided in explosive areas in
accord with NAVFAC P-397.
2.2.2.4
Doors. Blastproof sliding doors shall be provided at both ends of
main shop areas. Door openings shall be of adequate size to allow forklifts
to move the largest anticipated containers in and out of the shop area.
Blastproof personnel access doors with panic hardware shall be provided at
both ends of shop areas. With the use of additional blastproof doors, the
facility may be segmented as necessary. Refer to para. 6-3.1.3, Volume 1,
NAVSEA OP-5, for further information on building exits.
2.3
Mechanical Requirements. Mechanical requirements are defined in
paras. 2.3.1 through 2.3.5 of this handbook.
Heating and Air Conditioning. Heating and air conditioning,
2.3.1
including humidity control, shall be provided for main shop areas as required
by the type of ordnance being maintained and in accord with NAVFAC DM-3.03.
Where air conditioning is required for main shop areas, office spaces shall
also be air conditioned. Heating only shall be provided for other spaces.
Inside design temperatures, for controlled areas, shall be 78 F (26 C) with
a maximum relative humidity of 50 percent for cooling and 65 F (18 C) for
heating unless type of ordnance requires different conditions. Refer to
paras. 6-3.2.6 and 6-3.2.7, Volume 1, NAVSEA OP-5, for general guidance.
2.3.2
Ventilation. Ventilation shall be provided in accord with NAVFAC
Specifically provide:
DM-3.03 and para. 6-3.2.7, Volume 1, NAVSEA OP-5.
a) Exhaust ventilation system with makeup air, heated as re-
quired, for the paint shop. The ventilation system shall be in accord with
NFPA 33.
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