§ 18-29-914.2 — Size and connection
Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 18-29-914.2
Corpus is an independent public-information project, not the official City of Chicago website. Stable reference URL
18-29-914.2 Size and connection.
The size of the relief vent shall be equal to the size of the vent stack to which it connects. The lower end of each relief vent shall connect to the soil or waste stack through a wye below the horizontal branch serving the floor, and the upper end shall connect to the vent stack through a fitting not less than 42 inches (1067 mm) above the floor. (Amend Coun. J. 11-8-12, p. 38872, § 370; Amend Coun. J. 10-14-21, p. 37722, Art. IX, § 5)