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Earlier editions: 20222019

Chapter 5 — EXHAUST SYSTEMS

513.5 Manual Actuation — 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) § 513.5 · Effective January 1, 2026 · Official source: Building Standards Commission

All systems shall have both automatic and manual methods of actuation. At least one manual

actuation device shall be located in a means of egress or at a location acceptable to the Authority Having Jurisdiction.

The manual actuation device shall clearly identify the hazard protected and be provided with instructions for its use.

Manual actuation devices shall be provided with a guard where required by the Authority Having Jurisdiction.

An automatic sprinkler system shall not require a method

– of manual actuation. {NFPA 96:10.5.1 10.5.2}

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