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Capacity of hoods.

Municipal Code of Chicago § 18-28-507.13
in effect
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18-28-507.13 Capacity of hoods. Canopy-type commercial cooking hoods shall exhaust a minimum quantity of air (Q) determined in accordance with this section and Sections 18-28-507.13.1 through 18-28-507.13.4. where: A = The horizontal surface area of the hood, in square feet (m2). D = Distance in feet (m) between the lower lip of the hood and the cooking surface. P = That part of the perimeter of the hood that is open, in feet (m). Q = Quantity of air, in cubic feet per minute (m3/s).
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687394Fetched: 10/24/2026

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