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Horizontal branch connections above or below vertical stack offsets.

Municipal Code of Chicago § 18-29-711.1
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18-29-711.1 Horizontal branch connections above or below vertical stack offsets. If a horizontal branch connects to the stack within 2 feet (610 mm) above or below a vertical stack offset, and the offset is located more than four branch intervals below the top of the stack, the offset shall be vented in accordance with Section 18-29-915.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2692200Fetched: 10/24/2026

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18-29-711.1 | Corpus