Interior exit stairways and ramps.
Municipal Code of Chicago § 14B-10-1023
in effect14B-10-1023 Interior exit stairways and ramps.
The provisions of Section 1023 of IBC are adopted by reference with the following modifications:
1. Revise section 1023.2 by replacing "basements" with "basements and occupiable rooftops (even if not counted as stories for other purposes)."
2. Delete exception 3 to Section 1023.3.1.
3. Revise item 3 in Section 1023.5 to read:
"3. Security systems covering the interior exit stairway or ramp."
4. Delete the exception to Section 1023.5.
5. Revise Section 1023.8 by replacing "an approved" with "a."
5.1. Insert a new Section 1023.9.2 to read:
"1023.9.2 Designation.
Stairways shall be designated using letters indicating the compass direction of the location of the stairway within the building.
Exception: Letter-based designation schemes approved by the fire code official."
6. Delete Section 1023.10.
7. Delete Section 1023.11 and its subsections.
(Amend Coun. J. 6-25-21, p. 32180, Art. II, § 19)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2665078Fetched: 10/24/2026