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Grooved and shouldered joints.

Municipal Code of Chicago § 18-28-1203.3.7
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18-28-1203.3.7 Grooved and shouldered joints. Grooved and shouldered joints shall be approved and installed in accordance with the manufacturer's installation instructions.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2689029Fetched: 10/24/2026

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18-28-1203.3.7 | Corpus