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Spaces beneath stairways.

Municipal Code of Chicago § 14X-5-505.9.6
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14X-5-505.9.6 Spaces beneath stairways. Usable space under interior stairways must be separated from the stairway with 1-hour fire-resistance-rated construction. Access to enclosed spaces beneath enclosed interior stairways may not be provided from within the stairway enclosure. Enclosed usable space under exterior stairways must be completely enclosed in 1-hour fire-resistance-rated construction. Open space under exterior stairways may not be used for any purpose. (Amend Coun. J. 2-19-20, p. 14473, Art. V, § 29; Amend Coun. J. 10-7-20, p. 21791, Art. V, § 7)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2675975Fetched: 10/24/2026

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14X-5-505.9.6 | Corpus