1003.5 Welding — 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) § 1003.5 · Effective January 1, 2026 · Official source: Building Standards Commission

Welding on pressure vessels shall be done by certified welders in accordance with nationally recognized standards.

Explained in plain English

Guides that cite this section.

What gauges, welding standards, and welder qualifications apply to boilers and pressure vessels?

Get a plain-English answer with a citation back to this text.

Ask AI about this code

Export this section

▸Contents — California Mechanical Code (Title 24, Part 4)

California Mechanical Code (Title 24, Part 4)

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.