Page 188 - 2018_IFC

MEANS OF EGRESS

shall have access to not less than two exits or exit individual dwelling unit or sleeping unit or live/
access doorways. work unit.
Exit access travel distance shall be determined as 2. Exit access stairways serving and contained
specified in Section 1017.1, but all portions of a refrig- within a Group R-3 congregate residence or a
erated room or space shall be within 150 feet (45 720 Group R-4 facility.
mm) of an exit or exit access doorway where such 3. Exit access stairways and ramps in open parking
rooms are not protected by an approved automatic garages that serve only the parking garage.
sprinkler system. Egress is allowed through adjoining 4. Exit access stairways and ramps serving open-air
refrigerated rooms or spaces.
assembly seating complying with the exit access
Exception: Where using refrigerants in quantities travel distance requirements of Section 1029.7.
limited to the amounts based on the volume set forth 5. Exit access stairways and ramps between the bal-
in the International Mechanical Code.
cony, gallery or press box and the main assembly
[BE] 1006.2.2.4 Group I-4 means of egress. Group I-4 floor in occupancies such as theaters, places of
facilities, rooms or spaces where care is provided for religious worship, auditoriums and sports facili-
1
more than 10 children that are 2 / years of age or less, ties.
2
shall have access to not less than two exits or exit access [BE] 1006.3.2 Egress based on occupant load. Each
doorways.
story and occupied roof shall have the minimum number
[BE] 1006.2.2.5 Vehicular ramps. Vehicular ramps of separate and distinct exits, or access to exits, as speci-
shall not be considered as an exit access ramp unless fied in Table 1006.3.2. A single exit or access to a single
pedestrian facilities are provided. exit shall be permitted in accordance with Section
[BE] 1006.2.2.6 Groups R-3 and R-4. Where Group 1006.3.3. The required number of exits, or exit access
R-3 occupancies are permitted by Section 903.2.8 to be stairways or ramps providing access to exits, from any
protected by an automatic sprinkler system installed in story or occupied roof shall be maintained until arrival at
accordance with Section 903.3.1.3, the exit access the exit discharge or public way.
travel distance for Group R-3 shall be not more than [BE] TABLE 1006.3.2
125 feet (38 100 mm). Where Group R-4 occupancies MINIMUM NUMBER OF EXITS OR
are permitted by Section 903.2.8 to be protected by an ACCESS TO EXITS PER STORY
automatic sprinkler system installed in accordance with OCCUPANT LOAD MINIMUM NUMBER OF EXITS OR
Section 903.3.1.3, the exit access travel distance for PER STORY ACCESS TO EXITS FROM STORY
Group R-4 shall be not more than 75 feet (22 860 mm). 1-500 2
[BE] 1006.3 Egress from stories or occupied roofs. The 501-1,000 3
means of egress system serving any story or occupied roof
shall be provided with the number of separate and distinct More than 1,000 4
exits or access to exits based on the aggregate occupant load [BE] 1006.3.3 Single exits. A single exit or access to a
served in accordance with this section. Where stairways serve single exit shall be permitted from any story or occupied
more than one story, only the occupant load of each story roof, where one of the following conditions exists:
considered individually shall be used in calculating the
required number of exits or access to exits serving that story. 1. The occupant load, number of dwelling units and
common path of egress travel distance do not exceed
[BE] 1006.3.1 Adjacent story. The path of egress travel the values in Table 1006.3.3(1) or 1006.3.3(2).
to an exit shall not pass through more than one adjacent
story. 2. Rooms, areas and spaces complying with Section
1006.2.1 with exits that discharge directly to the
Exception: The path of egress travel to an exit shall be exterior at the level of exit discharge, are permitted
permitted to pass through more than one adjacent story to have one exit or access to a single exit.
in any of the following:
3. Parking garages where vehicles are mechanically
1. In Group R-1, R-2 or R-3 occupancies, exit
access stairways and ramps connecting four sto- parked shall be permitted to have one exit or access
ries or fewer serving and contained within an to a single exit.

[BE] TABLE 1006.3.3(1)
STORIES WITH ONE EXIT OR ACCESS TO ONE EXIT FOR R-2 OCCUPANCIES
MAXIMUM NUMBER OF MAXIMUM COMMON PATH OF
STORY OCCUPANCY
DWELLING UNITS EGRESS TRAVEL DISTANCE
Basement, first, second or third story above grade plane R-2 a, b 4 dwelling units 125 feet
Fourth story above grade plane and higher NP NA NA
For SI: 1 foot = 3048 mm.
NP = Not Permitted.
NA = Not Applicable.
a. Buildings classified as Group R-2 equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2 and provided
with emergency escape and rescue openings in accordance with Section 1030.
b. This table is used for R-2 occupancies consisting of dwelling units. For R-2 occupancies consisting of sleeping units, use Table 1006.3.3(2).

2018 INTERNATIONAL FIRE CODE ® 155
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