Page 224 - 2018_IFC

MEANS OF EGRESS

[BE] 1029.8 Common path of egress travel. The common 5. Thirty-six inches (914 mm) for level or ramped
path of egress travel shall not exceed 30 feet (9144 mm) from aisles having seating on only one side.
any seat to a point where an occupant has a choice of two Exception: Thirty inches (762 mm) where the
paths of egress travel to two exits. aisle serves fewer than 15 seats and does not
Exceptions: serve as part of an accessible route.
1. For areas serving less than 50 occupants, the com- [BE] 1029.9.2 Aisle catchment area. The aisle shall pro-
mon path of egress travel shall not exceed 75 feet vide sufficient capacity for the number of persons accom-
(22 860 mm). modated by the catchment area served by the aisle. The
catchment area served by an aisle is that portion of the
2. For smoke-protected or open-air assembly seating,
the common path of egress travel shall not exceed total space served by that section of the aisle. In establish-
50 feet (15 240 mm). ing catchment areas, the assumption shall be made that
there is a balanced use of all means of egress, with the
[BE] 1029.8.1 Path through adjacent row. Where one of number of persons in proportion to egress capacity.
the two paths of travel is across the aisle through a row of
seats to another aisle, there shall be not more than 24 seats [BE] 1029.9.3 Converging aisles. Where aisles converge
between the two aisles, and the minimum clear width to form a single path of egress travel, the required capacity
between rows for the row between the two aisles shall be of that path shall be not less than the combined required
12 inches (305 mm) plus 0.6 inch (15.2 mm) for each capacity of the converging aisles.
additional seat above seven in the row between aisles. [BE] 1029.9.4 Uniform width and capacity. Those por-
tions of aisles, where egress is possible in either of two
Exception: For smoke-protected or open-air assembly
seating there shall be not more than 40 seats between directions, shall be uniform in minimum width or required
the two aisles and the minimum clear width shall be 12 capacity.
inches (305 mm) plus 0.3 inch (7.6 mm) for each addi- [BE] 1029.9.5 Dead-end aisles. Each end of an aisle shall
tional seat. be continuous to a cross aisle, foyer, doorway, vomitory,
concourse or stairway in accordance with Section
[BE] 1029.9 Assembly aisles are required. Every occupied
portion of any building, room or space used for assembly pur- 1029.9.7 having access to an exit.
poses that contains seats, tables, displays, similar fixtures or Exceptions:
equipment shall be provided with aisles leading to exits or 1. Dead-end aisles shall be not greater than 20 feet
exit access doorways in accordance with this section. (6096 mm) in length.
[BE] 1029.9.1 Minimum aisle width. The minimum clear 2. Dead-end aisles longer than 16 rows are permit-
width for aisles shall comply with one of the following: ted where seats beyond the 16th row dead-end
1. Forty-eight inches (1219 mm) for stepped aisles aisle are not more than 24 seats from another
having seating on both sides. aisle, measured along a row of seats having a
minimum clear width of 12 inches (305 mm) plus
Exception: Thirty-six inches (914 mm) where
the stepped aisles serve less than 50 seats. 0.6 inch (15.2 mm) for each additional seat above
seven in the row where seats have backrests or
2. Thirty-six inches (914 mm) for stepped aisles hav- beyond 10 where seats are without backrests in
ing seating on only one side.
the row.
Exception: Twenty-three inches (584 mm) 3. For smoke-protected or open-air assembly seat-
between a stepped aisle handrail and seating ing, the dead-end aisle length of vertical aisles
where a stepped aisle does not serve more than shall not exceed a distance of 21 rows.
five rows on one side.
4. For smoke-protected or open-air assembly seat-
3. Twenty-three inches (584 mm) between a stepped ing, a longer dead-end aisle is permitted where
aisle handrail or guard and seating where the seats beyond the 21-row dead-end aisle are not
stepped aisle is subdivided by a mid-aisle handrail.
more than 40 seats from another aisle, measured
4. Forty-two inches (1067 mm) for level or ramped along a row of seats having an aisle accessway
aisles having seating on both sides. with a minimum clear width of 12 inches (305
Exceptions: mm) plus 0.3 inch (7.6 mm) for each additional
seat above seven in the row where seats have
1. Thirty-six inches (914 mm) where the aisle
serves less than 50 seats. backrests or beyond 10 where seats are without
backrests in the row.
2. Thirty inches (762 mm) where the aisle
serves fewer than 15 seats and does not
serve as part of an accessible route.

2018 INTERNATIONAL FIRE CODE ® 191
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.