"Accessible means of egress."
"Aisle accessway."
"Alternating tread device."
"Area of refuge."
"Bleachers."
"Breakout."
"Common path of egress travel."
"Corridor."
"Door, balanced."
"Egress court."
"Emergency escape and rescue opening."
"Exit."
"Exit access."
"Exit access doorway."
"Exit access ramp."
"Exit access stairway."
"Exit discharge."
"Exit discharge, level of."
"Exit, horizontal."
"Exit passageway."
"Exterior exit ramp."
"Exterior exit stairway."
"Fire exit hardware."
"Fixed seating."
"Flight."
"Folding and telescopic seating."
"Grandstand."
"Guard."
"Handrail."
"Interior exit ramp."
"Interior exit stairway."
"Low energy power-operated door."
"Means of egress."
"Merchandise pad."
"Nosing."
"Occupant load."
"Open-ended corridor."
"Panic hardware."
"Photoluminescent."
"Power-assisted door."
"Power-operated door."
"Public way."
"Ramp."
"Scissor stairway."
"Self-luminous."
"Smoke-protected assembly seating."
"Stair."
"Stairway."
"Stairway, interior."
"Stairway, spiral."
"Temporary door locking device."
"Winder."
Exceptions:
Exception: Door closers and stops shall not reduce headroom to less than 78 inches (1981 mm).
A barrier shall be provided where the vertical clearance is less than 80 inches (2032 mm) high. The leading edge of such a barrier shall be located 27 inches (686 mm) maximum above the floor.
Exception: These requirements shall not apply to sloping portions of handrails between the top and bottom riser of stairs and above the ramp run.
Exception: Handrails are permitted to protrude 41/2 inches (114 mm) from the wall.
Exceptions:
Throughout a story in a Group I-2 occupancy, any change in elevation in portions of the means of egress that serve nonambulatory persons shall be by means of a ramp or sloped walkway.
Exception: Elevators used as an accessible means of egress in accordance with paragraph (I)(4)( 1009.4) of this rule.
Exception: Where approved by the building official, the actual number of occupants for whom each occupied space, floor or building is designed, although less than those determined by calculation, shall be permitted to be used in the determination of the design occupant load.
[BE] Table 1004.1.2
Maximum floor area allowances per occupant
Function of space | Occupant load factora |
Accessory storage areas-mechanical equipment room | 300 gross |
Agricultural building | 300 gross |
Aircraft hangars | 500 gross |
Airport terminal Baggage claim Baggage handling Concourse Waiting areas | 20 gross 300 gross 100 gross 15 gross |
Assembly Gaming floors (keno, slots, etc.) Exhibit gallery and museum | 11 gross 30 net |
Assembly with fixed seats | See paragraph (D)(4)( 1004.4) of this rule |
Assembly without fixed seats Concentrated (chairs only-not fixed) Standing space Unconcentrated (tables and chairs) | 7 net 5 net 15 net |
Bowling centers, allow 5 persons for each lane including 15 feet of runway, and for additional areas | 7 net |
Business areas | 100 gross |
Courtrooms-other than fixed seating areas | 40 net |
Day care | 35 net |
Dormitories | 50 gross |
Educational Classroom area Shops and other vocational room areas | 20 net 50 net |
Exercise rooms | 50 gross |
Group H-5 fabrication and manufacturing areas | 200 gross |
Industrial areas | 100 gross |
Institutional areas Inpatient treatment areas Outpatient areas Sleeping areas | 240 gross 100 gross 120 gross |
Kitchens, commercial | 200 gross |
Library Reading rooms Stack area | 50 net 100 gross |
Locker rooms | 50 gross |
Mall buildings-covered and open | See Section 402.8.2 of the building code as listed in rule 1301:7-7-80 of the Administrative Code |
Mercantile Storage, stock, shipping areas | 60 gross 300 gross |
Parking garages | 200 gross |
Residential | 200 gross |
Skating rinks, swimming pools Rink and pool Decks | 50 gross 15 gross |
Stages and platforms | 15 net |
Warehouses | 500 gross |
For SI: 1 square foot = 0.0929 m2, 1 foot = 304.8 mm.
a. Floor area in square feet per occupant.
The occupant load of wheelchair spaces and the associated companion seat shall be based on one occupant for each wheelchair space and one occupant for the associated companion seat provided in accordance with section 1108.2.3 of the building code as listed in rule 1301:7-7-80 of the Administrative Code.
For areas having fixed seating without dividing arms, the occupant load shall be not less than the number of seats based on one person for each 18 inches (457 mm) of seating length.
The occupant load of seating booths shall be based on one person for each 24 inches (610 mm) of booth seat length measured at the backrest of the seating booth.
Exceptions:
Exception: Aisles and aisle accessways in rooms or spaces used for assembly purposes complying with paragraph (CC)(1029) of this rule.
Exceptions:
Exceptions:
Exceptions:
Exception: Projections are permitted in corridors within Group I-2 Condition 1 in accordance with Section 407.4.3 of the building code as listed in rule 1301:7-7-80 of the Administrative Code.
Exceptions:
[BE] 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, E, 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 | 10 | NP | NP | 125a |
R-3e,g | 10 | NP | NP | 125a |
R-4e,g | 10 | 75 | 75 | 125a |
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 paragraph (C)(3)(a)(i)(903.3.1.1) or (C)(3)(a)(ii)(903.3.1.2) of rule 1301:7-7-09 of the Administrative Code. See paragraph (C)(903) of rule 1301:7-7-09 of the Administrative Code for occupancies where automatic sprinkler systems are permitted in accordance with paragraph (C)(3)(a)(ii)(903.3.1.2) of rule 1301:7-7-09 of the Administrative Code.
b. Group H occupancies equipped throughout with an automatic sprinkler system in accordance with paragraph (C)(2)(e)(903.2.5) of rule 1301:7-7-09 of the Administrative Code.
c. For a room or space used for assembly purposes having fixed seating, see paragraph (CC)(8)( 1029.8) of this rule.
d. For the travel distance limitations in Group I-2, see section 407.4 of the building code as listed in rule 1301:7-7-80 of the Administrative Code.
e. The length of common path of egress travel distance in a Group R-3 occupancy located in a mixed occupancy building or within a Group R-3 or R-4 congregate living facility.
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 Group R-3 and R-4 equipped throughout with an automatic sprinkler system in accordance with paragraph (C)(3)(a)(iii)(903.3.1.3) of rule 1301:7-7-09 of the Administrative Code, see paragraph (F)(2)(b)(vi)(1006.2.2.6) of this rule.
All portions of machinery rooms shall be within 150 feet (45 720 mm) of an exit or exit access doorway. An increase in exit access travel distance is permitted in accordance with paragraph (Q)(1)( 1017.1) of this rule.
Doors shall swing in the direction of egress travel, regardless of the occupant load served. Doors shall be tight fitting and self-closing.
Exit access travel distance shall be determined as specified in paragraph (Q)(1)( 1017.1) of this rule, but all portions of a refrigerated room or space shall be within 150 feet (45 720 mm) of an exit or exit access doorway where such rooms are not protected by an approved automatic sprinkler system. Egress is allowed through adjoining refrigerated rooms or spaces.
Exception: Where using refrigerants in quantities limited to the amounts based on the volume set forth in the mechanical code as listed in rule 1301:7-7-80 of the Administrative Code.
[BE] Table 1006.3.1
Minimum number of exits or access to exits per story
Occupant load per story | Minimum number of exits or access to exits from story |
1-500 | 2 |
501-1,000 | 3 |
More than 1,000 | 4 |
[BE] Table 1006.3.2(1)
Stories with one exit or access to one exit for R-2 occupancies
Story | Occupancy | Maximum number of dwelling units | Maximum common path of egress travel distance |
Basement, first, second or third story above grade plane | R-2a,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 paragraph (C)(3)(a)(i)(903.3.1.1) or (C)(3)(a)(ii)(903.3.1.2) of rule 1301:7-7-09 of the Administrative Code and provided with emergency escape and rescue openings in accordance with paragraph (DD)(1030) of this rule.
b. This Table is used for R-2 occupancies consisting of dwelling units. For R-2 occupancies consisting of sleeping units, use Table 1006.3.2(2) of this rule.
[BE] Table 1006.3.2(2)
Stories with one exit or access to one exit for other occupancies
Story | Occupancy | Maximum occupant load per story | Maximum common path of egress travel distance (feet) |
First story above or below grade plane | A, Bb, E, Fb, M, U | 49 | 75 |
H-2, H-3 | 3 | 25 | |
H-4, H-5, I, R-1, R-2a,c, R-4 | 10 | 75 | |
Sb,d | 29 | 75 | |
Second story above grade plane | B, F, M, Sd | 29 | 75 |
Third story above grade plane and higher | NP | NA | NA |
For SI: 1 foot= 304.8 mm.
NP=Not Permitted.
NA=Not Applicable.
a. Buildings classified as Group R-2 equipped throughout with an automatic sprinkler system in accordance with paragraph (C)(3)(a)(i)(903.3.1.1) or (C)(3)(a)(ii)(903.3.1.2) of rule 1301:7-7-09 of the Administrative Code and provided with emergency escape and rescue openings in accordance with paragraph (DD)(1030) of this rule.
b. Group B, F and S occupancies in buildings equipped throughout with an automatic sprinkler system in accordance with paragraph (C)(3)(a)(i)(903.3.1.1) of rule 1301:7-7-09 of the Administrative Code shall have a maximum exit access travel distance of 100 feet.
c. This table is used for R-2 occupancies consisting of sleeping units. For R-2 occupancies consisting of dwelling units, use Table 1006.3.2(1) of this rule.
d. The length of exit access travel distance in a Group S-2 open parking garage shall be not more than 100 feet.
Where applicable, cumulative occupant loads from adjacent occupancies shall be considered in accordance with the provisions of paragraph (D)(1)( 1004.1) of this rule. In each story of a mixed occupancy building, the maximum number of occupants served by a single exit shall be such that the sum of the ratios of the calculated number of occupants of the space divided by the allowable number of occupants indicated in Table 1006.3.2(2) of this rule for each occupancy does not exceed one. Where dwelling units are located on a story with other occupancies, the actual number of dwelling units divided by four plus the ratio from the other occupancy does not exceed one.
Exceptions:
Exceptions:
Exception: For auditoriums, theaters, concert or opera halls and similar assembly occupancies, the illumination at the walking surface is permitted to be reduced during performances by one of the following methods provided that the required illumination is automatically restored upon activation of a premises' fire alarm system:
Exceptions:
Exceptions:
Exceptions:
Exceptions:
Exceptions:
Where the exit discharge does not include an accessible route from an exit located on the level of exit discharge to a public way, an exterior area of assisted rescue shall be provided on the exterior landing in accordance with paragraphs (I)(7)(a)(1009.7.1) to (I)(7)(d)(1009.7.4) of this rule.
Exception: The clear width of 48 inches (1220 mm) between handrails is not required at stairways serving buildings equipped throughout with an automatic sprinkler system installed in accordance with paragraph (C)(3)(a)(i)(903.3.1.1) or (C)(3)(a)(ii)(903.3.1.2) of rule 1301:7-7-09 of the Administrative Code.
Exceptions:
Signage shall comply with the ICC A 117.1as listed in rule 1301:7-7-80 of the Administrative Code requirements for visual characters and include the "International Symbol of Accessibility." Where exit sign illumination is required by paragraph (M)(3)( 1013.3) of this rule, the signs shall be illuminated. Additionally, visual characters, raised character and Braille signage complying with ICC A 117.1 as listed in rule 1301:7-7-80 of the Administrative Code shall be located at each door to an area of refuge and exterior area for assisted rescue in accordance with paragraph (M)(4)( 1013.4) of this rule.
Means of egress doors shall be readily distinguishable from the adjacent construction and finishes such that the doors are easily recognizable as doors. Mirrors or similar reflecting materials shall not be used on means of egress doors. Means of egress doors shall not be concealed by curtains, drapes, decorations or similar materials.
Exceptions:
Exception: Door closers and door stops shall be permitted to be 78 inches (1980 mm) minimum above the floor.
Exceptions:
[BE] Table 1010.1.4.1(1)
Maximum door speed manual revolving doors
Revolving door maximum nominal diameter (FT-IN) | Maximum allowable revolving door speed (RPM) |
6-0 | 12 |
7-0 | 11 |
8-0 | 10 |
9-0 | 9 |
10-0 | 8 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm.
[BE] Table 1010.1.4(2)
Maximum door speed automatic or power-operated revolving doors
Revolving door maximum nominal diameter (FT-IN) | Maximum allowable revolving door speed (RPM) |
8-0 | 7.2 |
9-0 | 6.4 |
10-0 | 5.7 |
11-0 | 5.2 |
12-0 | 4.8 |
12-6 | 4.6 |
14-0 | 4.1 |
16-0 | 3.6 |
17-0 | 3.4 |
18-0 | 3.2 |
20-0 | 2.9 |
24-0 | 2.4 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm.
Exception: A breakout force in excess of 180 pounds (801 N) is permitted if the collapsing force is reduced to not more than 130 pounds (578 N) when not less than one of the following conditions is satisfied.
Exceptions:
Exceptions:
Exception: Landing length in the direction of travel in Groups R-3 and U and within individual units of Group R-2 need not exceed 36 inches (914 mm) when the units are not required to be accessible or Type A units.
Exceptions:
Exceptions:
Exception:A temporary door locking device that is approved by the building official and noted on the certificate of occupancy in accordance with section 1010.4 of the building code as listed in rule 1301:7-7-80 of the Administrative Code, and that is used in accordance with section 1010.4.1 of the building code as listed in rule 1301:7-7-80 of the Administrative Code.
Exception:A temporary door locking device that is approved by the building official and noted on the certificate of occupancy in accordance with section 1010.4 of the building code as listed in rule 1301:7-7-80 of the Administrative Code, and that is used in accordance with section 1010.4.1 of the building code as listed in rule 1301:7-7-80 of the Administrative Code.
Exception: Access doors or gates in barrier walls and fences protecting pools, spas and hot tubs shall be permitted to have operable parts of the release of latch on self-latching devices at 54 inches (1370 mm) maximum above the finished floor or ground, provided the self-latching devices are not also self-locking devices operated by means of a key, electronic opener or integral combination lock.
Exceptions:
Exceptions:
Exceptions:
Exception: Where approved, a delay of not more than 30 seconds is permitted on a delayed egress door.
Exception: In Group I-2 or I-3 occupancies, the egress path from any point in the building shall not pass through more than two delayed egress locking systems provided the combined delay does not exceed 30 seconds.
Exception: Where approved, in Group I occupancies, the installation of a sign is not required where care recipients who, because of clinical needs, require restraint or containment as part of the function of the treatment area.
Exceptions:
Exceptions:
Electrical rooms with equipment rated 1,200 amperes or more and over 6 feet (1829 mm) wide, and that contain over-current devices, switching devices or control devices with exit or exit access doors, must be equipped with panic hardware or fire exit hardware. The doors shall swing in the direction of egress travel.
Exception: Horizontal sliding or swinging gates exceeding the 4-foot (1219 mm) maximum leaf width limitation are permitted in fences and walls surrounding a stadium.
Exception: Each turnstile or similar device shall be credited with a capacity based on not more than a 50-person occupant load where all of the following provisions are met:
Where located as part of an accessible route, turnstiles shall have not less than 36 inches (914 mm) clear at and below a height of 34 inches (864 mm), not less than 32 inches (813 mm) clear width between 34 inches (864 mm) and 80 inches (2032 mm) and shall consist of a mechanism other than a revolving device.
Exception: Within rooms or spaces used for assembly purposes, stepped aisles shall comply with paragraph (CC)(1029) of this rule.
Exceptions:
Exceptions:
Exceptions:
Exceptions:
Exceptions:
Exceptions:
Exception: Where stairways connect stepped aisles to cross aisles or concourses, stairway landings are not required at the transition between stairways and stepped aisles constructed in accordance with paragraph (CC)(1029) of this rule.
Exceptions:
Exception: Spaces under stairways serving and contained within a single residential dwelling unit in Group R-2 or R-3 shall be permitted to be protected on the enclosed side with 1/2-inch ( 12.7 mm) gypsum board.
Exception: Spiral stairways used as a means of egress from technical production areas.
Exception: The radius restriction shall not apply to curved stairways in Group R-3 and within individual dwelling units in Group R-2.
A spiral stairway shall have a 71/2 inch (191 mm) minimum clear tread depth at a point 12 inches (305 mm) from the narrow edge. The risers shall be sufficient to provide a headroom of 78 inches (1981 mm) minimum, but riser height shall not be more than 91/2 inches (241 mm). The minimum stairway clear width at and below the handrail shall be 26 inches (660 mm).
Exceptions:
Exception: In buildings without an occupied roof, access to the roof from the top story shall be permitted to be by an alternating tread device, a ships ladder or a permanent ladder.
Exception: In buildings without an occupied roof, access to the roof shall be permitted to be a roof hatch or trap door not less than 16 square feet ( 1.5 m2) in area and having a minimum dimension of 2 feet (610 mm).
Exception: Alternating tread devices used as an element of a means of egress in buildings from a mezzanine area not more than 250 square feet (23 m2) in area that serves not more than five occupants shall have a minimum tread depth of 3 inches (76 mm) with a minimum projected tread depth of 101/2 inches (267 mm). The rise to the next alternating tread surface shall not exceed 8 inches (203 mm).
Exceptions:
Exceptions:
Exception: In Group R-2 and R-3 individual dwelling or sleeping units that are not required to be Accessible units, Type A units or Type B units in accordance with section 1107 of the building code as listed in rule 1301:7-7-80 of the Administrative Code, landings are permitted to be 36 inches by 36 inches (914 mm by 914 mm) minimum.
Exceptions:
Exceptions:
The bottom of the sign shall be not less than 10 inches (254 mm) nor more than 12 inches (305 mm) above the floor level. The sign shall be flush mounted to the door or wall. Where mounted on the wall, the edge of the sign shall be within 4 inches (102 mm) of the door frame on the latch side.
Exception: Tactile signs required by paragraph (M)(4)( 1013.4) of this rule need not be provided with illumination.
The word "EXIT" shall be in high contrast with the background and shall be clearly discernible when the means of exit sign illumination is or is not energized. If chevron directional indicator is provided as part of the exit sign, the construction shall be such that the direction of the chevron directional indicator cannot be readily changed.
Exceptions:
Exceptions:
Exception: In Group R-3 occupancies; within dwelling units in Group R-2 occupancies; and in Group U occupancies that are accessory to a Group R-3 occupancy or accessory to individual dwelling units in Group R-2 occupancies; handrails shall be Type I in accordance with paragraph (N)(3)(a)(1014.3.1) of this rule, Type II in accordance with paragraph (N)(3)(b)(1014.3.2) of this rule or shall provide equivalent graspability.
Exceptions:
Exceptions:
Exception: Guards are not required for the following locations:
Exceptions:
Exceptions:
Exception: Guards are not required where permanent fall arrest/restraint anchorage connector devices that comply with ANSI/ASSE Z 359.1as listed in rule 1301:7-7-80 of the Administrative Code are affixed for use during the entire roof covering lifetime. The devices shall be re-evaluated for possible replacement when the entire roof covering is replaced. The devices shall be placed not more than 10 feet (3048 mm) on center along hip and ridge lines and placed not less than 10 feet (3048 mm) from the roof edge or open side of the walking surface.
Exception: Guards are not required where permanent fall arrest/restraint anchorage connector devices that comply with ANSI/ASSE Z 359.1as listed in rule 1301:7-7-80 of the Administrative Code are affixed for use during the entire roof covering lifetime. The devices shall be re-evaluated for possible replacement when the entire roof covering is replaced. The devices shall be placed not more than 10 feet (3048 mm) on center along hip and ridge lines and placed not less than 10 feet (3048 mm) from the roof edge or open side of the walking surface.
Exception: Means of egress are not prohibited through adjoining or intervening rooms or spaces in a Group H, S or F occupancy where the adjoining or intervening rooms or spaces are the same or a lesser hazard occupancy group.
Exceptions:
Exception: The means of egress from a smaller tenant space shall not be prohibited from passing through a larger adjoining tenant space where such rooms or spaces of the smaller tenant occupy less than 10 per cent of the area of the larger tenant space through which they pass; are the same or similar occupancy group; a discernible path of egress travel to an exit is provided; and the means of egress into the adjoining space is not subject to locking from the egress side. A required means of egress serving the larger tenant space shall not pass through the smaller tenant space or spaces.
Table 1017.2
Exit access travel distancea
Occupancy | Without sprinkler system (feet) | With sprinkler system (feet) |
A, E, F-1, M, R, S-1 | 200 | 250b |
I-1 | Not permitted | 250c |
B | 200 | 300c |
F-2, S-2, U | 300 | 400c |
H-1 | Not permitted | 75d |
H-2 | Not permitted | 100d |
H-3 | Not permitted | 150d |
H-4 | Not permitted | 175d |
H-5 | Not permitted | 200c |
I-2, I-3, I-4 | Not permitted | 200c |
For SI: 1 foot = 304.8 mm.
a. See the following sections for modifications to exit access travel distance requirements:
Section 402.8 of the building code as listed in rule 1301:7-7-80 of the Administrative Code: For the distance limitation in malls.
Section 404.9 of the building code as listed in rule 1301:7-7-80 of the Administrative Code: For the distance limitation through an atrium space.
Section 407.4 of the building code as listed in rule 1301:7-7-80 of the Administrative Code: For the distance limitation in Group I-2.
Section 408.6.1 and 408.8.1 of the building code as listed in rule 1301:7-7-80 of the Administrative Code: For the distance limitations in
Group I-3. Section 411.4 of the building code as listed in rule 1301:7-7-80 of the Administrative Code: For the distance limitation in special amusement buildings.
Section 412.7 of the building code as listed in rule 1301:7-7-80 of the Administrative Code: For the distance limitation in aircraft manufacturing facilities.
Paragraph (F)(2)(b)(ii)(1006.2.2.2) of this rule: For the distance limitation in refrigeration machinery rooms.
Paragraph (F)(2)(b)(iii)(1006.2.2.3) of this rule: For the distance limitation in refrigerated rooms and spaces.
Paragraph (F)(3)(b)(1006.3.2) of this rule: For buildings with one exit.
Paragraph (Q)(2)(b)(1017.2.2) of this rule: For increased distance limitation in Groups F-1 and S-1.
Paragraph (CC)(7)( 1029.7) of this rule: For increased limitation in assembly seating.
Section 3103.4 of the building code as listed in rule 1301:7-7-80 of the Administrative Code: For temporary structures.
Section 3104.9 of the building code as listed in rule 1301:7-7-80 of the Administrative Code: For pedestrian walkways.
b. Buildings equipped throughout with an automatic sprinkler system in accordance with paragraph (C)(3)(a)(i)(903.3.1.1) or (C)(3)(a)(ii)(903.3.1.2) of rule 1301:7-7-09 of the Administrative Code. See paragraph (C)(903) of rule 1301:7-7-09 of the Administrative Code for occupancies where automatic sprinkler systems are permitted in accordance with paragraph (C)(3)(a)(ii)(903.3.1.2) of rule 1301:7-7-09 of the Administrative Code.
c. Buildings equipped throughout with an automatic sprinkler system in accordance with paragraph (C)(3)(a)(i)(903.3.1.1) of rule 1301:7-7-09 of the Administrative Code.
d. Group H occupancies equipped throughout with an automatic sprinkler system in accordance with paragraph (C)(2)(e)(i)(903.2.5.1) of rule 1301:7-7-09 of the Administrative Code.
Exception: In open parking garages, exit access travel distance is permitted to be measured to the closest riser of an exit access stairway or the closest slope of an exit access ramp.
Exception: Encroachments complying with paragraph (E)(7)( 1005.7) of this rule.
Exception: Nonpublic aisles serving less than 50 people and not required to be accessible by chapter 11 of the building code as listed in rule 1301:7-7-80 of the Administrative Code need not exceed 28 inches (711 mm) in width.
Exception: For areas serving not more than 50 occupants, the common path of egress travel shall not exceed 75 feet (22 880 mm).
Exception: Nonpublic aisles serving less than 50 people and not required to be accessible by chapter 11 of the building code as listed in rule 1301:7-7-80 of the Administrative Code need not exceed 28 inches (711 mm) in width.
Exception: In Group I-3 occupancies, exit access stairways or ramps constructed in accordance with section 408 of the building code as listed in rule 1301:7-7-80 of the Administrative Code are not required to be enclosed.
Exceptions:
[BE] Table 1020.1
Corridor fire-resistance rating
Occupancy | Occupant load served by corridor | Required fire-resistance rating (hours) | |
Without sprinkler system | With sprinkler systemc | ||
H-1, H-2, H-3 | All | Not permitted | 1 |
H-4, H-5 | Greater than 30 | Not permitted | 1 |
A, B, E, F, M, S, U | Greater than 30 | 1 | 0 |
R | Greater than 10 | Not permitted | 0.5 |
I-2a, I-4 | All | Not permitted | 0 |
I-1, I-3 | All | Not permitted | 1b |
a. For requirements for occupancies in Group I-2, see sections 407.2 and 407.3 of the building code as listed in rule 1301:7-7-80 of the Administrative Code.
b. For a reduction in the fire-resistance rating for occupancies in Group I-3, see section 408.8 of the building code as listed in rule 1301:7-7-80 of the Administrative Code.
c. Buildings equipped throughout with an automatic sprinkler system in accordance with paragraph (C)(3)(a)(i)(903.3.1.1) or (C)(3)(a)(ii)(903.3.1.2) of rule 1301:7-7-09 of the Administrative Code where allowed.
d. One hour when design qualifies in accordance with paragraph (C)(2)(h)(903.2.8), exception 3 of rule 1301:7-7-09 of the Administrative Code.
Exception: In Group I-2 occupancies, corridors are not required to have a clear width of 96 inches (2438 mm) in areas where there will not be stretcher or bed movement for access to care or as part of the defend-in-place strategy.
[BE] Table 1020.2
Minimum corridor width
Occupancy | Minimum width (inches) |
Any facilities not listed below | 44 |
Access to a utilization of mechanical, plumbing or electrical systems or equipment | 24 |
With an occupant load of less than 50 | 36 |
Within a dwelling unit | 36 |
In Group E with a corridor having an occupant load of 100 or more | 72 |
In corridors and areas serving stretcher traffic in ambulatory care facilities | 72 |
Group I-2 in areas where required for bed movement | 96 |
For SI: 1 inch = 25.4 mm.
Exception: Encroachments complying with paragraph (E)(7)( 1005.7) of this rule.
Exceptions:
Exceptions:
Exceptions:
Exception: Separation is not required where the exterior egress balcony is served by not less than two stairways and a dead-end travel condition does not require travel past an unprotected opening to reach a stairway.
For the purposes of this paragraph, other portions of the building shall be treated as separate buildings.
Exceptions:
Exception: A combination of interior exit stairways, interior exit ramps and exit passageways, constructed in accordance with paragraphs (W)(2)( 1023.2), (W)(3)(a)(1023.3.1) and (X)(1024) of this rule, respectively, and forming a continuous protected enclosure, shall be permitted to extend an interior exit stairway or ramp to the exit discharge or a public way.
Exceptions:
Openings in interior exit stairways and ramps other than unprotected exterior openings shall be limited to those necessary for exit access to the enclosure from normally occupied spaces and for egress from the enclosure.
Elevators shall not open into interior exit stairways and ramps.
Exception: Membrane penetrations shall be permitted on the outside of the interior exit stairway and ramp. Such penetrations shall be protected in accordance with section 714.3.2 of the building code as listed in rule 1301:7-7-80 of the Administrative Code.
In each case, openings into the fire-resistance rated construction shall be limited to those needed for maintenance and operation and shall be protected by opening protectives in accordance with section 716 of the building code as listed in rule 1301:7-7-80 of the Administrative Code for shaft enclosures.
The interior exit stairway and ramp ventilation systems shall be independent of other building ventilation systems.
Exceptions:
Exception: Access is not required by way of a vestibule or exterior balcony for stairways and ramps using the pressurization alternative complying with section 909.20.5 of the building code as listed in rule 1301:7-7-80 of the Administrative Code.
Exception: Encroachments complying with paragraph (E)(7)( 1005.7) of this rule.
Except as permitted in section 402.8.7 of the building code as listed in rule 1301:7-7-80 of the Administrative Code, openings in exit passageways other than unprotected exterior openings shall be limited to those necessary for exit access to the exit passageway from normally occupied spaces and for egress from the exit passageway.
Where an interior exit stairway or ramp is extended to an exit discharge or a public way by an exit passageway, the exit passageway shall comply with paragraph (W)(3)(a)(1023.3.1) of this rule.
Elevators shall not open into an exit passageway.
Exception: Membrane penetrations shall be permitted on the outside of the exit passageway. Such penetrations shall be protected in accordance with section 714.3.2 of the building code as listed in rule 1301:7-7-80 of the Administrative Code.
In each case, openings into the fire-resistance-rated construction shall be limited to those needed for maintenance and operation and shall be protected by opening protectives in accordance with section 716 of the building code as listed in rule 1301:7-7-80 of the Administrative Code for shaft enclosures.
Exit passageway ventilation systems shall be independent of other building ventilation systems.
Exception: Luminous egress path markings shall not be required on the level of exit discharge in lobbies that serve as part of the exit path in accordance with paragraph (BB)(1)( 1028.1) of this rule, exception 1.
Exception: The minimum width of 1 inch (25 mm) shall not apply to outlining stripes listed in accordance with UL 1994 as listed in rule 1301:7-7-80 of the Administrative Code.
Exception: The minimum width of 1 inch (25 mm) shall not apply to outlining stripes listed in accordance with UL 1994 as listed in rule 1301:7-7-80 of the Administrative Code.
Exception: The minimum width of 1 inch (25 mm) shall not apply to outlining stripes listed in accordance with UL 1994 as listed in rule 1301:7-7-80 of the Administrative Code.
Exception: Demarcation lines shall not extend in front of exit discharge doors that lead out of an exit and through which occupants must travel to complete the exit path.
Exception: Demarcation lines shall not extend in front of exit discharge doors that lead out of an exit and through which occupants must travel to complete the exit path.
Exceptions:
Exception: A fire-resistance rating is not required at horizontal exits between a building area and an above-grade pedestrian walkway constructed in accordance with section 3104 of the building code as listed in rule 1301:7-7-80 of the Administrative Code, provided that the distance between connected buildings is more than 20 feet (6096 mm).
Horizontal exits constructed as fire barriers shall be continuous from exterior wall to exterior wall so as to divide completely the floor served by the horizontal exit.
Exceptions: The net floor area allowable per occupant shall be as follows for the indicated occupancies:
Exception: The adjoining compartment shall not be required to have a stairway or door leading directly outside, provided the refuge area into which a horizontal exit leads has stairways or doors leading directly outside and are so arranged that egress shall not require the occupants to return through the compartment from which egress originates.
For the purposes of this paragraph, other portions of the building shall be treated as separate buildings.
Exceptions:
Exceptions:
Exception: The maximum transmitted temperature rise is not required.
Exception: Encroachments complying with paragraph (E)(7)( 1005.7) of this rule.
Where an egress court exceeds the minimum required width and the width of such egress court is then reduced along the path of exit travel, the reduction in width shall be gradual. The transition in width shall be affected by a guard not less than 36 inches (914 mm) in height and shall not create an angle of more than 30 degrees ( 0.52 rad) with respect to the axis of the egress court along the path of egress travel. The width of the egress court shall not be less than the required capacity.
Exceptions:
Exception: Where access to a public way cannot be provided, a safe dispersal area shall be provided where all of the following are met:
Exception: For outdoor smoke-protected assembly seating with an occupant load not greater than 18,000, the required capacity in inches (mm) shall be determined using the factors in paragraph (CC)(6)(c)(1029.6.3) of this rule.
[BE] Table 1029.6.2
Capacity for aisles for smoke-protected assembly
Total number of seats in the smoke-protected assembly seating | Inches of capacity per seat served | |||
Stepped aisles with handrails within 30 inches | Stepped aisles without handrails within 30 inches | Level aisles or ramped aisles not steeper than 1 in 10 in slope | Ramped aisles steeper than 1 in 10 in slope | |
Equal to or less than 5,000 | 0.200 | 0.250 | 0.150 | 0.165 |
10,000 | 0.130 | 0.163 | 0.100 | 0.110 |
15,000 | 0.096 | 0.120 | 0.070 | 0.077 |
20,000 | 0.076 | 0.095 | 0.056 | 0.062 |
Equal to or greater than 25,000 | 0.060 | 0.075 | 0.044 | 0.048 |
For SI: 1 inch = 25.4 mm.
Exception: A roof canopy in an outdoor stadium shall be permitted to be less than 15 feet (4572 mm) above the highest aisle or aisle accessway provided that there are no objects less than 80 inches (2032 mm) above the highest aisle or aisle accessway.
Exceptions:
Exception: The required capacity in inches (mm) of aisles shall be permitted to comply with paragraph (CC)(6)(b)(1029.6.2) of this rule for the number of seats in the outdoor smoke-protected assembly seating where paragraph (CC)(6)(b)(1029.6.2) of this rule permits less capacity.
Exceptions:
Exceptions:
Exception: For smoke-protected assembly seating there shall be not more than 40 seats between the two aisles and the minimum clear width shall be 12 inches (305 mm) plus 0.3 inch ( 7.6 mm) for each additional seat.
Exception: Thirty-six inches (914 mm) where the stepped aisles serve less than 50 seats.
Exception: Twenty-three inches (584 mm) between a stepped aisle handrail and seating where a stepped aisle does not serve more than five rows on one side.
Exceptions:
Exception: For other than ramped aisles that serve as part of an accessible route, 30 inches (762 mm) where the ramped aisle does not serve more than 14 seats.
Exceptions:
Exception: The clear width of aisles adjacent to seating at tables shall be permitted to be measured in accordance with paragraph (CC)(12)(a)(1029.12.1) of this rule.
Exception: Handrails are permitted to project into the required width of stepped aisles and ramped aisles in accordance with paragraph (N)(8)( 1014.8) of this rule.
Exception: Wood handrails shall be permitted for all types of construction.
Exception: 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.
Exception: Portions of an aisle accessway having a length not exceeding 6 feet (1829 mm) and used by a total of not more than four persons.
Exception: For seats with folding tablet arms, row spacing is permitted to be determined with the tablet arm in the stored position where the tablet arm when raised manually to vertical position in one motion automatically returns to the stored position by force of gravity.
Exception: For smoke-protected assembly seating, the row length limits for a 12-inch-wide (305 mm) aisle accessway, beyond which the aisle accessway minimum clear width shall be increased, are in Table 1029.12.2.1of this rule.
Table [BE] 1029.12.2.1
Smoke-protected assembly aisle accessways
Total number of seats in the smoke-protected assembly seating | Maximum number of seats per row permitted to have a minimum 12-inch clear width aisle accessway | |||
Aisle or doorway at both ends of row | Aisle or doorway at one end of row only | |||
Seats with backrests | Seats without backrests | Seats with backrests | Seats without backrests | |
Less than 4,000 | 14 | 21 | 7 | 10 |
4,000 | 15 | 22 | 7 | 10 |
7,000 | 16 | 23 | 8 | 11 |
10,000 | 17 | 24 | 8 | 11 |
13,000 | 18 | 25 | 9 | 12 |
16,000 | 19 | 26 | 9 | 12 |
19,000 | 20 | 27 | 10 | 13 |
22,000 and greater | 21 | 28 | 11 | 14 |
For SI: 1 inch = 25.4 mm.
Exception: For smoke-protected assembly seating, the row length limits for a 12-inch-wide (305 mm) aisle accessway, beyond which the aisle accessway minimum clear width shall be increased, are in Table 1029.12.2.1 of this rule.
Exception: In assembly spaces with fixed seating, edge protection is not required on the sides of ramped aisles where the ramped aisles provide access to the adjacent seating and aisle accessways.
Exception: The tolerance between adjacent treads shall not exceed 3/16 inch ( 4.8 mm).
Exceptions:
Exception: The contrasting marking stripe is permitted to be omitted where tread surfaces are such that the location of each tread is readily apparent when viewed in descent.
Exceptions:
Exceptions:
Exception: Mid-aisle handrails shall be permitted to extend beyond the lowest riser where the handrail extensions do not obstruct the width of the cross aisle.
Exceptions:
Where an elevation change of 30 inches (762 mm) or less occurs between a cross aisle and the adjacent floor or grade below, guards not less than 26 inches (660 mm) above the aisle floor shall be provided.
Exception: Where the backs of seats on the front of the cross aisle project 24 inches (610 mm) or more above the adjacent floor of the aisle, a guard need not be provided.
Exceptions:
Exception: The minimum net clear opening for grade-floor emergency escape and rescue openings shall be 5 square feet ( 0.46 m2).
Exception: In areas required for bed movement, equipment shall be permitted in the required width where all the following provisions are met:
Replaces: 1301:7-7-10
Ohio Admin. Code 1301:7-7-10
Five Year Review (FYR) Dates: 12/15/2022
Promulgated Under: 119.03
Statutory Authority: 3737.83, 3737.82, 3737.22
Rule Amplifies: 3737.22, 3737.83, 3737.82
Prior Effective Dates: 07/01/1979, 06/01/1985, 06/15/1992, 07/01/1993, 09/01/1995, 03/30/1998, 01/03/2000, 09/01/2005, 07/01/2007, 11/01/2011, 12/15/2017