California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 20 - Flammable Liquids, Gases and Vapors
Article 138 - Hydrogen
Section 5476 - Special Rooms

Universal Citation: 8 CA Code of Regs 5476

Current through Register 2024 Notice Reg. No. 38, September 20, 2024

(a) Floor, walls, and ceiling shall have a fire-resistance rating of at least two hours. Walls or partitions shall be continuous from floor to ceiling and shall be securely anchored. At least one wall shall be an exterior wall. Openings to other parts of the building shall not be permitted. Windows and doors shall be in exterior walls and shall be located so as to be readily accessible in case of emergency. Windows shall be of glass or plastic in metal frames.

(b) Ventilation shall be as provided in 5475(b).

(c) Explosion venting shall be as provided in 5475(c).

(d) There shall be no sources of ignition from open flames, electrical equipment, or heating equipment.

(e) Electrical equipment shall be in accordance with the California Electrical Safety Orders for Class I, Division 2 locations.

(f) Heating, if provided, shall be by steam, hot water, or indirect means. (Title 24, T8-5476)

1. Amendment of subsection (a) filed 3-2-76; effective thirtieth day thereafter (Register 76, No. 10).
2. Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No. 29).

Disclaimer: These regulations may not be the most recent version. California may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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