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Ducts serving Type I hoods.

Municipal Code of Chicago § 18-28-506.3
in effect
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18-28-506.3 Ducts serving Type I hoods. Commercial kitchen exhaust systems serving Type I hoods shall be designed, constructed and installed in accordance with Sections 18-28-506.3.1 through 18-28-506.3.13.3.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687268Fetched: 10/24/2026

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18-28-506.3 | Corpus