Carbon monoxide alarms in Groups E, I-1, I-2, I-4 and R.
Municipal Code of Chicago § 14R-11-1105
in effect14R-11-1105 Carbon monoxide alarms in Groups E, I-1, I-2, I-4 and R.
The provisions of Section 1105 of IEBC are adopted by reference with the following modifications:
1. Revise Section 1105.1 to read:
"1105.1 Carbon monoxide alarms in existing portions of a building.
Where an addition is made to a building or structure of a Group E, I-1, I-2, I-4 or R occupancy, the existing building shall be equipped with carbon monoxide alarms in accordance with Section 504.9 of the Chicago Minimum Requirements for Existing Buildings."
(Amend Coun. J. 2-19-20, p. 14473, Art. IV, § 23)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2674854Fetched: 10/24/2026