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Protection against physical damage.

Municipal Code of Chicago § 18-29-305.8
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18-29-305.8 Protection against physical damage. In concealed locations where piping other than cast-iron or galvanized steel is installed through holes or notches in studs, joists, rafters or similar members less than 1 1/2 inches (40 mm) from the nearest edge of the member, the pipe shall be protected by shield plates. Protective shield plates shall be a minimum of 1/16 inches (1.6 mm) thick steel, shall cover the area of the pipe where the member is notched or bored, and shall extend a minimum of 2 inches (50 mm) above sole plates and below top plates.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2690808Fetched: 10/24/2026

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18-29-305.8 | Corpus