contain acetal resin, fluorocarbon, nylon, acrylonitrile-butadiene-styrene
(ABS) or other plastic material, if the material has provided satisfactory
service under actual commercial or industrial operating conditions for not
less than 2 years. Plastic in contact with hot water shall be suitable for
82 degree C 180 degree F water temperature. Plumbing fixtures shall be as
listed below. Shower heads, ASME A112.18.1 other than emergency showers,
shall be [adjustable] [nonadjustable] spray type and shall include a
non-removable, tamperproof flow control device which shall limit water flow
to 0.16 L/second 2.5 gpm when tested in accordance with ASME A112.18.1.
2.4.1
Flushometer Valves
Flushometer valves shall have a non-hold-open feature with backcheck angle
control stop and a vacuum breaker. Flushometer valves shall be large
diaphragm type, having a minimum upper chamber inside diameter of not less
than 66.7 mm 2-5/8 inches at the point where the diaphragm is sealed
between the upper and lower chambers. Flushometer valves shall conform to
ASSE 1037.
2.4.2
Automatic Flushing System
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NOTE: Include this paragraph only if automatic
flushing system is a project requirement. Automatic
sensor operated flush valves would be provided only
on handicapped designated water closets. Designer
should confirm use of automatic valve with
Contracting Officer.
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Flushing system shall consist of a solenoid-activated flush valve with
light beam sensor. Flush valve for water closet shall include an override
pushbutton. Flushing devices shall be provided as described in paragraph
FIXTURES AND FIXTURE TRIMMINGS.
2.4.3
Shower Bath Outfits
Shower bath with outfits, shall be provided.
2.4.4
Joint Schedule Fixtures
The following Joint Schedule Numbers (JSN) for plumbing fixture items are
as shown in MIL-STD-1691. Description of the fixture may vary from that in
MIL-STD-1691.
a.
Item P0300. Bath perineal, pedestal mounted, armchair design;
vitreous china, removable molded vinyl overflow; 690.0 mm 27-1/8
inches wide by 609.6 mm 24 inches with height of rim 368.3 mm
14-1/2 inches above floor; pedestal bell supply; 15 mm 1/2 inch
pipe to wall escutcheon, adjustable "P" trap 40.0 x 40.0 mm 1-1/2
x 1-1/2 inches: 40.0 mm 1-1/2 inch threaded trap nipple,
additional removable vinyl overflow, and thermostatic supply
assembly with thermometer.
b.
Item P0320. Bath, sitz, vitreous-glazed earthenware or
acid-resisting enameled cast iron shall be designed to be built
into wall at back; shall have nominal overall dimensions of 762.0
x 965.2 mm 30 x 38 inches with height of back 533.4 mm 21 inches,
height of rim 355.6 to 406.4 mm 14 to 16 inches above floor; and
SECTION 15405A
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