Compressed air will be required for hydraulic lifts when air-oil operated
types are provided.
Noise and Vibration Control. All mechanical systems shall be
designed to limit noise and vibration in accordance with NAVFAC DM-3.10.
ELECTRICAL REQUIREMENTS. Electrical systems shall be provided in
accordance with NAVFAC DM-4 Series and as follows:
(1) Single-phase, 120-volt, 60-Hertz convenience outlets are re-
quired in all spaces. Convenience outlets in the main work area and shops
shall be 30-ampere capacity and in other areas shall be 20-ampere capacity.
Three-phase, 208-volt, 60-Hertz power is required in the main
work area and all shops.
115/200-volt, 400-Hertz power is required in the
electric repair shops.
as required by the using agency for the specific area.
Electrical Fixtures. Explosionproof fixtures and fittings,
suitable for Class I, Division 1 or 2, Group D, shall be provided in all
spaces in which solvents and paints are stored, mixed, or sprayed as required
by NFPA 70, NFPA 33, and other applicable fire codes.
intermediate maintenance department offices located in another building. (See
NAVFAC DM-28.1, Section 1, paragraph 5.) Intercommunications systems shall be
provided between selected offices and work spaces. A public address system
shall be provided to reach interior and exterior work areas.
OVERHEAD WEIGHT-HANDLING EQUIPMENT. Bridge cranes or monorail hoists
shall have electrically operated bridge and/or trolley and hoist with
pushbutton pendent controls and shall be in accordance with criteria in NAVFAC