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MEANS OF EGRESS

6. Within individual dwelling units and sleeping units fully open, shall not reduce the minimum net clear open-
in Group R-2 and R-3 occupancies, guards on the ing area of the window unit to less than the area required
open sides of stairs shall not have openings that by Section 1030.2.
3
allow passage of a sphere 4 / (111 mm) inches in
8
diameter.
SECTION 1016
[BE] 1015.5 Screen porches. Porches and decks that are EXIT ACCESS
enclosed with insect screening shall be provided with guards
where the walking surface is located more than 30 inches [BE] 1016.1 General. The exit access shall comply with the
(762 mm) above the floor or grade below. applicable provisions of Sections 1003 through 1015. Exit
access arrangement shall comply with Sections 1016 through
[BE] 1015.6 Mechanical equipment, systems and devices.
Guards shall be provided where various components that 1021.
require service are located within 10 feet (3048 mm) of a roof [BE] 1016.2 Egress through intervening spaces. Egress
edge or open side of a walking surface and such edge or open through intervening spaces shall comply with this section.
side is located more than 30 inches (762 mm) above the floor, 1. Exit access through an enclosed elevator lobby is per-
roof or grade below. The guard shall extend not less than 30 mitted. Access to not less than one of the required exits
inches (762 mm) beyond each end of such components. The shall be provided without travel through the enclosed
guard shall be constructed so as to prevent the passage of a elevator lobbies required by Section 3006 of the Inter-
sphere 21 inches (533 mm) in diameter. national Building Code. Where the path of exit access
Exception: Guards are not required where personal fall travel passes through an enclosed elevator lobby the
arrest anchorage connector devices that comply with level of protection required for the enclosed elevator
ANSI/ASSE Z 359.1 are installed. lobby is not required to be extended to the exit unless
direct access to an exit is required by other sections of
[BE] 1015.7 Roof access. Guards shall be provided where
the roof hatch opening is located within 10 feet (3048 mm) of this code.
a roof edge or open side of a walking surface and such edge 2. Egress from a room or space shall not pass through
or open side is located more than 30 inches (762 mm) above adjoining or intervening rooms or areas, except where
the floor, roof or grade below. The guard shall be constructed such adjoining rooms or areas and the area served are
so as to prevent the passage of a sphere 21 inches (533 mm) accessory to one or the other, are not a Group H occu-
in diameter. pancy and provide a discernible path of egress travel to
an exit.
Exception: Guards are not required where personal fall
arrest anchorage connector devices that comply with Exception: Means of egress are not prohibited
ANSI/ASSE Z 359.1 are installed. through adjoining or intervening rooms or spaces in
a Group H, S or F occupancy where the adjoining or
[BE] 1015.8 Window openings. Windows in Group R-2 and
R-3 buildings including dwelling units, where the top of the intervening rooms or spaces are the same or a lesser
sill of an operable window opening is located less than 36 hazard occupancy group.
inches above the finished floor and more than 72 inches 3. An exit access shall not pass through a room that can be
(1829 mm) above the finished grade or other surface below locked to prevent egress.
on the exterior of the building, shall comply with one of the 4. Means of egress from dwelling units or sleeping areas
following: shall not lead through other sleeping areas, toilet rooms
1. Operable windows where the top of the sill of the open- or bathrooms.
ing is located more than 75 feet (22 860 mm) above the 5. Egress shall not pass through kitchens, storage rooms,
finished grade or other surface below and that are pro- closets or spaces used for similar purposes.
vided with window fall prevention devices that comply Exceptions:
with ASTM F2006.
1. Means of egress are not prohibited through a
2. Operable windows where the openings will not allow a kitchen area serving adjoining rooms consti-
4-inch-diameter (102 mm) sphere to pass through the tuting part of the same dwelling unit or sleep-
opening when the window is in its largest opened posi-
ing unit.
tion.
2. Means of egress are not prohibited through
3. Operable windows where the openings are provided stockrooms in Group M occupancies where all
with window fall prevention devices that comply with
of the following are met:
ASTM F2090.
2.1. The stock is of the same hazard classi-
4. Operable windows that are provided with window
opening control devices that comply with Section fication as that found in the main retail
area.
1015.8.1.
2.2. Not more than 50 percent of the exit
[BE] 1015.8.1 Window opening control devices. Win-
dow opening control devices shall comply with ASTM access is through the stockroom.
F2090. The window opening control device, after opera- 2.3. The stockroom is not subject to lock-
tion to release the control device allowing the window to ing from the egress side.

2018 INTERNATIONAL FIRE CODE ® 177
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