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Fire-resistive separation.

Municipal Code of Chicago § 15-28-130
in effect
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15-28-130 Fire-resistive separation. Every hazardous chemical room, other than a vault for the storage of a hazardous chemical shall be separated from all other parts of the building by a four-hour fire separation, with no window or other opening, except a doorway or doorways between such vault and any other part of a building protected with a 3-hour-rated fire door installed in accordance with Chapter 14B-7. (Prior code § 92-13; Amend Coun. J. 10-7-20, p. 21791, Art. VI, § 69)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2679638Fetched: 10/24/2026

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15-28-130 | Corpus