§ 18-29-917.1 — Not required
Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 18-29-917.1
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18-29-917.1 Not required.
No vent will be required on a downspout trap, a subsoil catch basin trap draining by gravity to the house drain or sewer, or a basement floor drain which branches into the house drain at a distance of more than 5 feet from any soil or waste stack. Other floor drains below grade shall be vented at the end of the waste line or individually vented.
