PDFWAC 51-50-1006
Section 1006—Number of exits and exit access doorways.
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 ≤ 30 | OL ˃ 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. |
1006.3.4 Single exits. A single exit or access to a single exit shall be permitted from any story or occupied roof where one of the following conditions exists:
1. The occupant load, number of dwelling units and exit access travel distance within the portion of the building served by the single exit do not exceed the values in Table 1006.3.4(1) or 1006.3.4(2).
2. Rooms, areas and spaces complying with Section 1006.2.1 with exits that discharge directly to the exterior at the level of exit discharge, are permitted to have one exit or access to a single exit.
3. Parking garages where vehicles are mechanically parked shall be permitted to have one exit or access to a single exit.
4. Groups R-3 and R-4 occupancies shall be permitted to have one exit or access to a single exit.
5. Individual single-story or multistory dwelling units shall be permitted to have a single exit or access to a single exit from the dwelling unit provided that both of the following criteria are met:
5.1. The dwelling unit complies with Section 1006.2.1 as a space with one means of egress.
5.2. Either the exit from the dwelling unit discharges directly to the exterior at the level of exit discharge, or the exit access outside the dwelling unit's entrance door provides access to not less than two approved independent exits.
[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-102, § 51-50-1006, filed 11/15/23, effective 3/16/24; WSR 22-13-094, 23-12-103, and 23-20-023, § 51-50-1006, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 20-21-021, § 51-50-1006, filed 10/9/20, effective 11/9/20; WSR 20-01-090, § 51-50-1006, filed 12/12/19, effective 7/1/20; WSR 16-03-064, § 51-50-1006, filed 1/19/16, effective 7/1/16.]