Section 3. WEAPONS MAINTENANCE SHOPS
1.
FUNCTION. Weapons maintenance shops provide facilities for maintenance
and repair of small arms, automatic weapons, mortars, artillery, guns,
launchers, flamethrowers, torpedo tubes, harbor protective nets, and
nonelectronic weapons equipment.
2.
LOCATION. Siting of weapons maintenance shops shall be correlated with
both personnel and vehicular traffic access.
3.
ARCHITECTURAL REQUIREMENTS. The weapons maintenance shop, depending upon
the overall function, normally consists of a mechanical bay, battery room,
electrical bay, unpacking room, supply room, mechanical equipment room,
office, male and female toilet rooms, a duty room, and classroom. The
building construction shall be insulated concrete masonry units with the
exception of a reinforced concrete wall between the office core and the shops.
This wall shall extend a minimum of 3 feet beyond the building sides and the
roof. Due to physical security and the need for air conditioning and humidity
control, fenestration shall not be provided in exterior walls. Standard
materials and finishes shall be as specified in NAVFAC DM-l. Special
construction and finishes are as follows:
a.
Special Flooring. Sparkproof concrete conforming to NAVFAC Guide
Specification NFGS(TS)-09770, entitled Metallic-Type Static Disseminating
and Spark-Resistant Finish, shall be used in the mechanical bay, electrical
bay, and unpacking room.
b.
Exterior Doors. Exterior insulated doors shall be security type
with viewing ports, security hardware, and alarms.
c.
Interior Doors. Interior doors in firewalls shall be 3-hour rated
metal sliding doors and labeled openings in accordance with Fire Doors and
Windows, NFPA 80.
d.
Security Vestibule. A security vestibule, by which incoming
personnel may be controlled and screened, shall be a part of the building
design. This vestibule shall be a woven wire, full height cage with electric
latched gates.
e.
Loading Dock. A truck height loading dock shall be provided. The
height of this dock shall be to industry standards unless otherwise specified
by the using agency.
4.
MECHANICAL REQUIREMENTS.
a.
Ventilation. Ventilation shall be provided for mechanical and
electrical bays in accordance with NAVFAC DM-3.3. Ventilation for the battery
room shall be in accordance with Section 5, Part 6 of this manual. Mechanical
exhaust systems shall be provided for weapons cleaning units to remove toxic
fumes.
b.
Air Conditioning. Temperature and humidity control shall be
provided as required to prevent damage to weapons. Air conditioning for
classrooms, duty rooms, and office areas shall be in accordance with NAVFAC
DM-3.3.
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