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Doors and windows within 10 feet (3048 mm) of fire escape stairways must be protected with 3/4-hour opening protectives.
Exception: Opening protectives are not required in buildings equipped throughout with an automatic sprinkler system.
(Amend Coun. J. 10-7-20, p. 21791, Art. V, § 12)
Access to a fire escape from a corridor may not require travel through an intervening room. Access to a fire escape stairway must be from a door or window providing a clear opening at least 30 inches (762 mm) wide and 36 inches (152 mm) high. Access to a fire escape stairway must be directly to a landing. The landing may not be higher than the floor or window sill level and may not be lower than 8 inches (203 mm) below the floor level or 24 inches (610 mm) below the window sill.
(Amend Coun. J. 2-19-20, p. 14473, Art. V, § 32; Amend Coun. J. 10-7-20, p. 21791, Art. V, § 13)
Exit signs must comply with Section 1013 of the Chicago Building Code.
Exceptions:
1. Existing exit signs lettered "STAIRS" or "STAIRWAY" may remain at locations where a "STAIR" sign is required by the Chicago Building Code.
2. Existing exit signs installed prior to December 31, 1960, and otherwise required to be lettered "STAIR," may be lettered "EXIT."
Handrails must be provided in accordance with Section 14X-3-306.1.
Stairways must have handrails on at least one side. Handrails must be located so that all portions of the stairway width required for egress capacity are within 44 inches (1118 mm) of a handrail.
Exception: Aisle stairs provided with a center handrail are not required to have additional handrails.
Guards must be provided in accordance with Section 14X-3-306.2.
The width of a corridor must be sufficient for the occupant load served and not less than 36 inches (914 mm). Corridors serving an occupant load greater than 30 and openings in these corridors must provide an effective barrier to resist the movement of smoke. Transoms, louvers, doors, and other openings must be kept closed or be self-closing.
Exceptions:
1. Corridors in occupancies other than in Group H, that are equipped throughout with an automatic sprinkler system.
2. Corridors that are in accordance with the Chicago Building Code.
(Amend Coun. J. 2-19-20, p. 14473, Art. V, § 33; Amend Coun. J. 1-26-22, p. 43756, Art. IV, § 2)
The width of aisles and aisle accessways must be sufficient for the occupant load served and not less than 28 inches (711 mm).
Exceptions:
1. Aisles and aisle accessways within individual dwelling units or sleeping units.
2. Aisles and aisle accessways in rooms or spaces uses for assembly purposes that comply with Section 1029 of the Chicago Building Code.
(Added Coun. J. 1-26-22, p. 43756, Art. IV, § 3)
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