Ch. 35 Welding and Other Hot Work — 2025 California Fire Code
California Fire Code (Title 24, Part 9) · 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.
Sections in this part
- Section 3501 — GENERAL
- Section 3502 — DEFINITIONS
- Section 3503 — GENERAL REQUIREMENTS
- Section 3504 — FIRE SAFETY REQUIREMENTS
- Section 3505 — GAS WELDING AND CUTTING
- Section 3506 — ELECTRIC ARC HOT WORK
- Section 3507 — CALCIUM CARBIDE SYSTEMS
- Section 3508 — ACETYLENE GENERATORS
- Section 3509 — PIPING MANIFOLDS AND HOSE SYSTEMS FOR FUEL GASES AND OXYGEN
- Section 3510 — HOT WORK ON FLAMMABLE AND COMBUSTIBLE LIQUID STORAGE TANKS
Cite as: 2025 California Fire Code (Title 24, Part 9) Chapter 35 · Effective January 1, 2026 · Official source: Building Standards Commission
User notes:
About this chapter: Chapter 35 covers requirements for safety in welding and other types of hot work by reducing the potential for fire ignitions that usually result in large losses. Several different types of hot work would fall under the requirements found in Chapter 35, including both gas and electric arc methods and any open-torch operations. Many of the activities of this chapter focus on the actions of the occupants.
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