Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-50 - State Building Code adoption and amendment of the 2021 edition of the International Building Code › Section 51-50-1006 - Section 1006-Number of exits and exit access doorways

Current through Register Vol. 24-14, July 15, 2024
Table 1006.2.1
Spaces with One Exit or Exit Access Doorway
OCCUPANCY
MAXIMUM OCCUPANT LOAD OF
							 SPACE
MAXIMUM COMMON PATH OF EGRESS
							 TRAVEL DISTANCE (feet)
Without Sprinkler System
							 (feet)
With Sprinkler System (feet)
Occupant Load
OL [LESS THAN EQUAL TO]
							 30
OL [GREATER THAN EQUAL TO]
							 30
Ac,
							 Eh, M
49
75
75
75a
B
49
100
75
100a
F
49
75
75
100a
H-1, H-2, H-3
3
NP
NP
25b
H-4, H-5
10
NP
NP
75b
I-1, I-2d, I-4
10
NP
NP
75a
I-3
10
NP
NP
100a
R-1
10
NP
NP
75a
R-2
20
NP
NP
125a
R-3e
20
NP
NP
125a,g
R-4e
20
NP
NP
125a,g
Sf
29
100
75
100a
U
49
100
75
75a
For SI: 1 foot = 304.8 mm.
NP = Not Permitted.
a Buildings equipped throughout with an automatic sprinkler
				system in accordance with Section 903.3.1.1 or 903.3.1.2. See Section 903 for
				occupancies where automatic sprinkler systems are permitted in accordance with
				Section 903.3.1.2.
b Group H occupancies equipped throughout with an automatic
				sprinkler system in accordance with Section 903.2.5.
c For a room or space used for assembly purposes having fixed
				seating, see Section 1029.8.
d For the travel distance limitations in Group I-2, see Section
				407.4.
e The common path of egress travel distance shall only apply in
				a Group R-3 occupancy located in a mixed occupancy building.
f The length of common path of egress travel distance in a
				Group S-2 open parking garage shall be not more than 100 feet.
g For the travel distance limitations in Groups R-3 and R-4
				equipped throughout with an automatic sprinkler system in accordance with
				Section 903.3.1.3, see Section 1006.2.2.6.
h Day care facilities, rooms or spaces where care is provided
				for more than 10 children that are 2 1/2 years of age or less, shall have
				access to not less than two exits or exit access doorways.
1006.2.1
Egress based on occupant load
			 and common path of egress travel distance.
Two exits or exit access
			 doorways from any space shall be provided where the design occupant load or the
			 common path of egress travel distance exceeds the values listed in Table
			 1006.2.1. The cumulative occupant load from adjacent rooms, areas or spaces
			 shall be determined in accordance with Section 1004.2.
EXCEPTIONS:
1. The number of exits from foyers, lobbies, vestibules
						  or similar spaces need not be based on cumulative occupant loads for areas
						  discharging through such spaces, but the capacity of the exits from such spaces
						  shall be based on applicable cumulative occupant loads.
2. Care suites in Group I-2 occupancies complying with
						  Section 407.4.
3. Unoccupied mechanical rooms and
penthouses
are not required to comply with the common path of
						  egress travel distance measurement.
4. The common path of travel for fixed transit and
						  passenger rail system stations shall be in accordance with Section 3116.
1006.2.1.1
Three or more exits or exit access doorways.
Three
exits
or
exit access
doorways shall be
			 provided from any space with an
occupant load
of 501 to 1,000.
			 Four
exits
or
exit access
doorways shall be
			 provided from any space with an occupant load greater than 1,000.
EXCEPTION:
The number of required exits for fixed transit and
						  passenger rail systems may be reduced by one at open stations.