f.
Ceilings.
(1) Shops. ceilings shall be water-resistant gypsum board on
metal joists. Ceilings shall slope at a minimum of 1/2 inch per foot from the
front to the back of the building, see sections A-A and B-B, FP No. 218-50,
sheet 4. Openings in ceiling shall. be limited to those required for air
supply and exhaust. Air shall be exhausted from the high point of the ceiling
at the back of the shops to prevent hydrogen gas accumulation within the
shops.
(2)
Central Core Area. Ceilings shall be gypsum board on metal
joists or noncombustible suspended acoustical units.
9.
Shops Interior Paint Finish. The NICAD shop and the lead acid shop
shall be painted with an acid-alkali-resistant epoxy-urethane coating system
as follows and shall conform to NFGS(TS)-09815, High-Build Glaze Coatings:
(1) The lower 4 feet of the walls shall be light blue for
the NICAD shop and light pink for the lead acid shop.
(2) The upper walls and ceiling shall be white.
(3) The concrete floor shall be gray with a sand finish.
h.
Central Core Interior Paint Finish. Inside face of exterior walls
and partitions shall be painted white and conform to NFGS(TS)-09910, Painting
of Buildings (field painting).
i.
Work Surfaces. Work surfaces shall be acid-resistant and
alkali-resistant in the lead acid and NICAD shops, respectively. Suitable
material includes either corrosion-resistant steel, glass reinforced laminate
or soapstone.
6.
UTILITY REQUIREMENTS. Requirements are provided as FP No. 218-50, sheets
6, 7 and 8.
7.
MECHANICAL REQUIREMENTS.
a.
Heating and Air Conditioning. Heating shall be provided in
accordance with NAVFAC DM-3.3. A separate heating system for each shop shall
be provided so that air from the two shops is not allowed to mix. The heating
systems shall be designed to maintain a minimum temperature of 680 F. Supply
air for the lead acid shop shall be 100 percent outside air. Air conditioning
shall be provided for the office area, when a central core area is provided,
in accordance with NAVFAC DM-3.3 and DOD 4270.1-M. Air conditioning shall be
provided in the NICAD shop when required to limit temperature to 85 OF and the
shop is required to service batteries used aboard aircraft.
b.
Ventilation. Ventilation shall be provided in accordance with
NAVFAC DM-3.3 and as follows:
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