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Copper pipe.

Municipal Code of Chicago § 18-29-705.7
in effect
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18-29-705.7 Copper pipe. Joints between copper or copper-alloy pipe or fittings shall comply with Sections 18-29-705.7.1 through 18-29-705.7.5.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2692036Fetched: 10/24/2026

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18-29-705.7 | Corpus