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The provisions of Section 1026 of IBC are adopted by reference with the following modification:
1. Delete the exception to Section 1026.2.
2. Revise the exception to Section 1026.4.2 by replacing the initial "The" with "In Group I-3, the".
(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 50)
The provisions of Section 1027 of IBC are adopted by reference with the following modifications:
1. Revise Section 1027.2 to read:
"1027.2 Use in a means of egress.
Exterior exit stairways shall not be used as an element of a required means of egress for Group I-2 occupancies. For occupancies in other than Group I-2, exterior exit stairways and exterior exit ramps shall be permitted as an element of a required means of egress for levels not more than 45 feet (13.7 m) above grade adjacent to the exterior exit stairway.
1027.2.1 Limitation.
Not more than 50 percent of the number and minimum width or required capacity of means of egress components shall be provided using exterior exit stairways or exterior exit ramps.
Exceptions:
1. Means of egress components only serving an occupiable rooftop.
2. Means of egress components only serving occupancies that are open to the atmosphere, such as open parking garages or Group A-5 occupancies.
3. Means of egress components serving a single basement, the first story above grade plane, or the second story above grade plane."
2. Revise Section 1027.5 to read:
"1027.5 Location.
Exterior exit stairways and exterior exit ramps shall have a minimum separation distance of 10 feet (3048 mm) measured at right angles from the exterior edge of the stairway or ramps, including landings, to:
1. The closest abutting property line.
2. The far side of a public way.
3. The exterior walls of other buildings on the same lot with openings that are not protected in accordance with Section 705 based on fire separation distance.
Exceptions:
1. Exterior exit stairways, porches and exterior exit ramps serving not more than 4 stories or occupiable rooftops in Group R-2, R-3 and R-5 occupancies shall have a minimum separation distance of 3 feet (914 mm) if constructed of combustible materials; a separation distance is not required for exterior exit stairways, porches and exterior exit ramps constructed of entirely noncombustible materials.
2. On any side of an exterior exit stairway or exterior exit ramp protected by a solid wall with a fire- resistance rating of at least one hour that extends at least 3 feet (914 mm) beyond the exterior edge of adjacent sides and 8 feet (2438 mm) above the highest landing, the separation distance may be reduced to 3 feet (914 mm).
3. Exterior exit stairways and exterior exit ramps serving occupiable rooftops above portions of buildings not more than two stories above grade plane shall have a minimum separation distance of 5 feet (1525 mm).
4. Exterior exit stairways and ramps serving occupiable rooftops above portions of buildings not more than one story above grade plane and not more than 15 feet (4572 mm) above adjoining grade are not required to have a separation distance."
3. Revise exception 1 to Section 1027.6 to read:
"1. Separation from the interior of the building is not required for occupancies, other than Group R-1, in buildings that are not more than two stories above grade plane where a level of exit discharge serving such occupancies is the first story above grade plane.
4. Revise exception 2 to Section 1027.6 by deleting "approved."
5. Revise exception 4 to Section 1027.6 to read:
"4. In Group R-2, R-3, and R-5 occupancies not more than four stories above grade plane, exterior exit stairways and exterior exit ramps are not required to be separated from the interior of the building and openings are not limited where the exterior exit stairway or exterior exit ramp discharges directly to grade."
(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 51; Amend Coun. J. 1-26-22, p. 43756, Art. II, § 10)
The provisions of Section 1028 of IBC are adopted by reference with the following modifications:
1. Revise exception 1 to Section 1028.1 by replacing "through areas on the level of discharge" with "through a lobby or similar common area on the level of exit discharge."
1.1. Revise exception 1.1 to Section 1028.1 by replacing "from the point of termination of the enclosure." with "within 25 feet (7620 mm) and no more than two turns, each not exceeding 90 degrees (1.57 rad), from the point of termination of the enclosure. There shall be no dead-end corridors or similar conditions exceeding 10 feet (3048 mm) in length adjacent to the point of termination of the enclosure."
1.2. Revise exception 1.3 to Section 1028.1 by deleting "approved."
2. Add a new exception 4 to Section 1028.1 to read:
"4. Up to 100 percent of the number, minimum width, and required capacity of interior exit stairways and exterior exit ramps is permitted to egress through a lobby or similar common area on the level of exit discharge provided that all of the following conditions are met:
4.1. Discharge of interior exit stairways and exterior exit ramps shall be provided with a free and unobstructed path of travel to at least two distinct exterior exit doors and each exterior exit door is readily visible and identifiable within 25 feet (7620 mm) and no more than two turns, each not exceeding 90 degrees (1.57 rad), from the point of termination of the enclosure. There shall be no dead-end corridors or similar conditions exceeding 10 feet (3048 mm) in length adjacent to the point of termination of the enclosure.
4.2. The entire area of the level of exit discharge is separated from areas below by construction conforming to the fire-resistance rating for the enclosure.
4.3. The building is protected throughout by an automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2.
4.4. Means of egress components are separated in accordance with Exception 1.4."
3. Revise Section 1028.3 to read:
"1028.3 Exit discharge components.
Exterior exit discharge components shall be sufficiently open to the atmosphere so as to minimize the accumulation of smoke and toxic gases."
4. Revise Section 1028.4.1 by replacing "Group R-3 and U occupancies" with "Group R-3, R-5 and U occupancies and Group R-2 occupancies in buildings with no more than 4 stories above grade plane."
5. Revise exception 2 to Section 1028.4.2 by replacing "Group R-3" with "Group R-3 or R 5."
(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 52; Amend Coun. J. 1-26-22, p. 43756, Art. II, § 11; Amend Coun. J. 12-14-22, p. 58278, Art. III, § 5)
The provisions of Section 1029 of IBC are adopted by reference with the following modifications:
1. Delete the exceptions to Section 1029.1.1.1.
2. Revise Section 1029.2 by replacing "10 feet (3048 mm)" with "20 feet (6096 mm)."
3. Delete Section 1029.3.
4. Revise Section 1029.6 to read:
"1029.6 Capacity of aisle for assembly.
The required capacity of aisles shall be not less than that determined in accordance with Section 1029.6.1 where indoor assembly seating is provided and Section 1029.6.3 where open-air assembly seating is provided."
5. Revise the title and first sentence of Section 1029.6.1 to read:
"1029.6.1 Indoor assembly seating.
The required capacity in inches (mm) of the aisles for indoor assembly seating shall be not less than the occupant load served by the egress element in accordance with all of the following, as applicable:"
6. Delete Section 1029.6.2 and its subsections.
7. Delete Table 1029.6.2.
8. [Reserved.]
9. [Reserved.]
10. Delete exception 1 (and its subparts) to Section 1029.7.
11. Revise exception 2 to Section 1029.8 by deleting "smoke-protected or."
12. Revise the exception to Section 1029.8.1 by deleting "smoke-protected or."
13. Revise exceptions 3 and 4 to Section 1029.9.5 by deleting "smoke-protected or."
14. Revise the exception to Section 1029.13.2.1 by deleting "smoke-protected or."
15. Revise Table 1029.13.2.1 by deleting "SMOKE-PROTECTED OR."
16. Revise the exception to Section 1029.13.2.2 by deleting "smoke-protected or."
17. Revise exception 3 to Section 1029.15 by replacing "three" with "five."
18. Revise exception 4 to Section 1029.15 to read:
"4. In a building, room or space used for assembly purposes where flexibility of the seating arrangement is an integral part of the design and function of the space and seating is on tiered levels, up to 200 seats shall not be required to be fastened to the floor. Plans showing seating, tiers and aisles shall be submitted to the fire code official for review."
(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 53)
The following language is adopted as a new Section 1031:
"1031. FRONTAGE AND FIRE DEPARTMENT ACCESS REQUIREMENTS FOR GROUP E-1
1031.1 Frontage requirement.
The portion of a building containing a Group E-1 occupancy shall abut the number and type of public ways or yards specified in Table 1031.1. For purposes of this section, each side shall be at least 12 percent of the perimeter of the occupancy. The width of required public ways and yards shall be measured as provided in Section 506.3.
TABLE 1031.1
FRONTAGE REQUIREMENTS
FRONTAGE REQUIREMENTS
Occupant Load of Group E-1 Occupancy | Minimum Number of Sides Abutting a Public Way or Yard | |
Public Way at Least 30 Feet Wide | Public Way or Yard at Least 10 Feet Wide | |
Up to 100 | 1 | 0 |
101 to 500 | 1 | 1 |
501 to 1,000 | 1 | 2 |
1,001 to 2,500 | 2 | 1 |
More than 2,500 | 3 | 1 |
For SI: 1 foot = 304.8 mm.
1031.2 Fire department access panels.
Where the exterior wall on any story of a Group E-1 occupancy exceeds 100 linear feet (30.5 m) without windows, doorways or similar openings, fire department access panels shall be provided at intervals not exceeding 50 feet (15.2 m).
Exception: Exterior walls of auditoriums, assembly halls, field houses, gymnasiums, swimming pools, and theater areas.
1031.2.1 Dimensions.
Fire department access panels shall be not less than 32 inches (812.8 mm) wide and 48 inches (1219.2 mm) high. Fire department access panels shall be located not more than 32 inches (812.8 mm) above the floor.
1031.2.2 Construction.
Fire department access panels shall be approved by the fire code official and constructed of materials and installed in such a manner to be readily removed by the fire department.
(Added Coun. J. 10-7-20, p. 21791, Art. II, § 25)