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Open hub drains.

Municipal Code of Chicago § 18-29-802.4.2
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18-29-802.4.2 Open hub drains. Waste receptors shall be permitted in the form of a hub or pipe extending not less than 1 inch (25 mm) above a water-impervious floor and are not required to have a strainer. (Amend Coun. J. 10-14-21, p. 37722, Art. VIII, § 1)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2696446Fetched: 10/24/2026

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18-29-802.4.2 | Corpus