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SECTION 903 AUTOMATIC SPRINKLER
SYSTEMS
[F] 903.3.1 Standards.
Sprinkler systems shall be designed and installed in
accordance with Section 903.3.1.1, 903.3.1.2 or 903.3.1.3.
[F] 903.3.1.1 NFPA
13 sprinkler systems. Where the provisions of
this code require that a building or portion thereof
be equipped throughout with an automatic sprinkler
system in accordance with this section, sprinklers
shall be installed throughout in accordance with NFPA
13 except as provided in Section.
[F] 903.3.1.1.1
Exempt locations. Automatic sprinklers shall
not be required in the following rooms or areas
where such rooms or areas are protected with an
approved automatic fire detection system, in accordance
with Section 907.2, that
will respond to visible or invisible particles of
combustion. Sprinklers shall not be omitted from
any room merely because it is damp, of fire-resistance-rated
construction or contains electrical equipment.
1. Any room where
the application of water, or flame and water,
constitutes a serious life or fire hazard.
2. Any room or space
where sprinklers are considered undesirable because
of the nature of the contents, when approved by
the fire code official.
3. Generator and
transformer rooms separated from the remainder
of the building by walls and floor/ceiling or
roof/ceiling assemblies having a fire-resistance
rating of not less than 2 hours.
4.
In rooms or areas that are of noncombustible construction
with wholly noncombustible contents.
[F]
903.3.1.2 NFPA 13R sprinkler systems. Where allowed
in buildings of Group R, up to and including four
stories in height, automatic sprinkler systems shall
be installed throughout in accordance with NFPA 13R.
[F] 903.3.1.2.1 Balconies
and decks. Sprinkler protection shall be provided
for exterior balconies, decks and ground floor patios
of dwelling units where the building is of Type
V construction. Sidewall sprinklers that are used
to protect such areas shall be permitted to be located
such that their deflectors are within 1 inch (25
mm) to 6 inches (152 mm) below the structural members
and a maximum distance of 14 inches (356 mm) below
the deck of the exterior balconies and decks that
are constructed of open wood joist construction.
[F] 903.3.1.3 NFPA
13D sprinkler systems. Where allowed, automatic
sprinkler systems in one- and two-family dwellings
shall be installed throughout in accordance with
NFPA 13D.
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Rights Reserved. This 2006 International Building Code® is a
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