For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.

§ 18-29-702.1.1 — Mixed-occupancy buildings

Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 18-29-702.1.1

Corpus is an independent public-information project, not the official City of Chicago website. Stable reference URL

18-29-702.1.1 Mixed-occupancy buildings.

Where the plumbing system in a mixed-occupancy building uses both combustible and noncombustible drainage and vent pipe materials in accordance with Table 18-29-702.1, the noncombustible pipe material shall extend as least 4 inches (102 mm) beyond the fire-resistance-rated assembly separating the residential occupancy from other areas of the building that are not eligible to use combustible pipe materials. (Added Coun. J. 10-14-21, p. 37722, Art. VII, § 2)