Page 65 - ICC IEBC 2018

ALTERATIONS—LEVEL 3

903.3 Interior finish. Interior finish in exits serving the work tem shall be provided throughout the work area. Alarm
area shall comply with Section 802.4 between the highest notification appliances shall be provided on such floors
floor on which there is a work area to the floor of exit dis- and shall be automatically activated as required by the
charge. International Building Code.
Exceptions:
SECTION 904 1. Alarm-initiating and notification appliances shall
FIRE PROTECTION not be required to be installed in tenant spaces
outside of the work area.
904.1 Automatic sprinkler systems. An automatic sprinkler
system shall be provided in a work area where required by 2. Visual alarm notification appliances are not
Section 802.2 or this section. required, except where an existing alarm system
is upgraded or replaced or where a new fire alarm
904.1.1 High-rise buildings. An automatic sprinkler sys- system is installed.
tem shall be provided in work areas where the high-rise
building has a sufficient municipal water supply for the 904.2.2 Automatic fire detection. Where required by the
design and installation of an automatic sprinkler system at International Building Code for new buildings, automatic
the site. fire detection systems shall be provided throughout the
work area.
904.1.2 Rubbish and linen chutes. Rubbish and linen
chutes located in the work area shall be provided with
automatic sprinkler system protection or an approved SECTION 905
automatic fire-extinguishing system where protection of MEANS OF EGRESS
the rubbish and linen chute would be required under the 905.1 General. The means of egress shall comply with the
provisions of the International Building Code for new requirements of Section 805 except as specifically required in
construction.
Sections 905.2 and 905.3.
904.1.3 Upholstered furniture or mattresses. Work 905.2 Means-of-egress lighting. Means of egress from the
areas shall be provided with an automatic sprinkler system highest work area floor to the floor of exit discharge shall be
in accordance with the International Building Code where provided with artificial lighting within the exit enclosure in
any of the following conditions exist:
accordance with the requirements of the International Build-
1. A Group F-1 occupancy used for the manufacture of ing Code.
upholstered furniture or mattresses exceeds 2,500 905.3 Exit signs. Means of egress from the highest work area
2
square feet (232 m ).
floor to the floor of exit discharge shall be provided with exit
2. A Group M occupancy used for the display and sale signs in accordance with the requirements of the Interna-
of upholstered furniture or mattresses exceeds 5,000 tional Building Code.
2
square feet (464 m ).
3. A Group S-1 occupancy used for the storage of
upholstered furniture or mattresses exceeds 2,500 SECTION 906
2
** square feet (232 m ). STRUCTURAL
904.1.4 Other required automatic sprinkler systems. In [BS] 906.1 General. Where buildings are undergoing Level 3
buildings and areas listed in Table 903.2.11.6 of the Inter- alterations, the provisions of this section shall apply.
national Building Code, work areas that have exits or cor- [BS] 906.2 Existing structural elements resisting lateral
ridors shared by more than one tenant or that have exits or loads. Where work involves a substantial structural alter-
corridors serving an occupant load greater than 30 shall be ation, the lateral load-resisting system of the altered building
provided with an automatic sprinkler system under the fol- shall be shown to satisfy the requirements of Sections 1609
lowing conditions: and 1613 of the International Building Code. Reduced seis-
1. The work area is required to be provided with an mic forces shall be permitted.
automatic sprinkler system in accordance with the Exceptions:
International Building Code applicable to new con- 1. Buildings of Group R occupancy with not more than
struction.
five dwelling or sleeping units used solely for resi-
2. The building site has sufficient municipal water sup- dential purposes that are altered based on the con-
ply for design and installation of an automatic sprin- ventional light-frame construction methods of the
kler system. International Building Code or in compliance with
904.2 Fire alarm and detection systems. Fire alarm and the provisions of the International Residential Code.
detection shall be provided in accordance with Section 907 of 2. Where the intended alteration involves only the
the International Building Code as required for new construc- lowest story of a building, only the lateral load-
tion. resisting components in and below that story need
904.2.1 Manual fire alarm systems. Where required by comply with this section.
the International Building Code, a manual fire alarm sys-

46 2018 INTERNATIONAL EXISTING BUILDING CODE ®
Copyrighted © 2017 by, or licensed to, ICC (ALL RIGHTS RESERVED); licensed to UL, LLC pursuant to License Agreement with ICC. No further reproductions authorized or distribution authorized.
ANY UNAUTHROIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT; AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.