2.3.8
Laboratory Service Fittings
Laboratory service fittings shall be the products of one service fixture
manufacturer. The location, service, and number of valves, goosenecks,
panel flanges, hose cocks, needle valves, and laboratory back flow
preventers shall be as shown. Fume hood remote control valves for 45
degree angular front mounting shall be front panel mounted brass forgings
of a type that facilitates servicing from the front of the fume hood
exterior and shall have stems mounted parallel to the fume hood side wall.
Laboratory service fittings shall have an acid- and solvent-resistant baked
plastic coating.
2.4
FIXTURES
**************************************************************************
NOTE: These paragraphs cover fixtures most often
specified. The selection of fixture requirements is
based on MIL-STD-1691 to the most practicable
extent. The fixture listing will be revised for
each project by deleting inapplicable items. The
various types of fixtures will be identified by
corresponding "P" numbers shown on the drawings. A
maximum of acceptable fixture and trim options
should be allowed for materials in this
specification, unless life cycle analysis or local
experience indicates that one type of material is
better suited than others. Use separate hot and
cold water valves. For fixture mounting heights see
paragraph FIXTURES AND FIXTURE TRIMMINGS. When
wall-mounted water closets are specified, chair
carriers will be provided. Designer will specify
wash fountains in industrial type washrooms where
economically justified. Also, designer should
consider the use of wash fountains designed to meet
all needs including those of the handicapped.
Adjustable spray shower heads have been shown to be
more satisfying to the user.
**************************************************************************
Fixtures shall be water conservation type, in accordance with ICC IPC.
Fixtures for use by the physically handicapped shall be in accordance with
ICC A117.1. Vitreous china, nonabsorbent, hard-burned, and vitrified
throughout the body shall be provided. Porcelain enameled ware shall have
specially selected, clear white, acid-resisting enamel coating evenly
applied on surfaces. No fixture will be accepted that shows cracks,
crazes, blisters, thin spots, or other flaws. Fixtures shall be equipped
with appurtenances such as traps, faucets, stop valves, and drain fittings.
Each fixture and piece of equipment requiring connections to the drainage
system, except grease interceptors, shall be equipped with a trap. Brass
expansion or toggle bolts capped with acorn nuts shall be provided for
supports. Pipe, valves, and fittings exposed to view shall be chromium
plated. Fixtures and trim not covered by MIL-STD-1691 shall be considered
special, but shall be of equal quality and material. Fixtures with the
supply discharge below the rim shall be equipped with backflow preventers.
Internal parts of flush and/or flushometer valves, shower mixing valves,
shower head face plates, pop-up stoppers of lavatory waste drains, and
pop-up stoppers and overflow tees and shoes of bathtub waste drains may
SECTION 15405A
Page 29
Previous Page
