517.6 Air Movement for Solid-Fuel Cooking — 2025 California Mechanical Code
California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-09-25 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Mechanical Code (Title 24, Part 4) § 517.6 · Effective January 1, 2026 · Official source: Building Standards Commission
Exhaust system requirements shall comply with Section 511.0 for hooded operation or shall be installed in accordance with the manufacturer’s recommendations for unhooded applications.
[NFPA 96:15.6.1]
130 2025 CALIFORNIA MECHANICAL CODE
EXHAUST SYSTEMS
517.6.1 Replacement Air. A replacement or makeup air system shall be provided to ensure a positive supply of replacement air at all times during cooking operations.
[NFPA 96:15.6.2]
517.6.2 Operation. Makeup air systems serving solidfuel cooking operations shall be interlocked with the exhaust air system and powered, if necessary, to prevent the space from attaining a negative pressure while the solidfuel appliance is in operation. [NFPA 96:15.6.3]
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