§ 18-28-510.7 — Suppression required
Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 18-28-510.7
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18-28-510.7 Suppression required.
Ducts shall be protected with an approved automatic fire suppression system installed in accordance with the Chicago Building Code. Exception: An approved automatic fire suppression system shall not be required in ducts conveying materials, fumes, mists and vapors that are nonflammable and noncombustible. (Amend Coun. J. 9-14-21, p. 35949, Art. V, § 23)