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Vent for horizontal offset of drainage stack.

Municipal Code of Chicago § 18-29-915.1
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18-29-915.1 Vent for horizontal offset of drainage stack. Horizontal offsets of drainage stacks shall be vented where five or more branch intervals are located above the offset. The offset shall be vented by venting the upper section of the drainage stack and the lower section of the drainage stack. (Amend Coun. J. 10-14-21, p. 37722, Art. IX, § 6)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2692541Fetched: 10/24/2026

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18-29-915.1 | Corpus