IFC Section 1014.4 and all subsections are deleted and
replaced with the following:
1014.4
Aisles and aisle accessways. Aisles and aisle accessways serving
as a portion of the exit access in the means of egress system shall comply with
the requirements of this section. Aisles and aisle accessways shall be provided
from all occupied portions of the exit access. Aisles and aisle accessways
serving assembly areas, other than seating at tables, shall comply with Section
1024. Aisles and aisle accessways serving reviewing stands, grandstands and
bleachers shall comply with Section 1024.
1014.4.1
Width determination.
Where tables or counters are served by fixed seats, the width of the aisle or
aisle accessway shall be measured from the back of the seat. Where seating is
located at a table or counter and is adjacent to an aisle or aisle accessway,
the measurement of required clear width of the aisle or aisle accessway shall
be made to a line 19 inches (483 mm) away from and parallel to the edge of the
table or counter. The 19-inch (483 mm) distance shall be measured perpendicular
to the side of the table or counter. In the case of other side boundaries for
aisle or aisle accessways, the clear width shall be measured to walls, tread
edges or other obstructions.
The required width of aisles and aisle accessways shall be
unobstructed.
Exception: Doors, when fully opened, and
handrails shall not reduce the required width by more than 7 inches (178 mm).
Doors in any position shall not reduce the required width by more than
one-half. Other nonstructural projections such as trim and similar decorative
features are permitted to project into the required width 1.5 inches (38 mm)
from each side.
1014.4.1.1
Minimum aisle accessway width. Aisle accessways shall provide a minimum
12 inches (305 mm) of width plus 0.5 inch (12.7 mm) of width for each
additional 1 foot (305 mm), or fraction thereof, beyond 12 feet (3658 mm) of
aisle accessway length.
Exception: Portions of an aisle accessway having
a length not exceeding 6 feet and used by a total of not more than four
persons.
1014.4.1.2
Minimum aisle width. The minimum clear width shall be determined by
Section 1005.1 for the occupant load served, but shall not be less than 36
inches (914 mm).
Exception: Aisles serving less than 50 people
need not exceed 28 inches (711 mm) in width.
1014.4.2
Aisle accessway
length. The length of travel along the aisle accessway shall not exceed
30 feet (9144 mm) to an aisle or exit access doorway.
