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Earlier editions: 20222019

Chapter 33 — FIRE SAFETY DURING CONSTRUCTION AND DEMOLITION

3311 Additional Safeguards for Types I and II Construction — 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.

Cite as: 2025 California Fire Code (Title 24, Part 9) § 3311 · Effective January 1, 2026 · Official source: Building Standards Commission

3311.1 Separations between construction areas.

Separations used in Type I and Type II construction to separate construction areas from occupied portions of the building shall be constructed of materials that comply with one of the following:

  1. Noncombustible materials.

  2. Materials that exhibit a flame spread index not exceeding 25 when tested in accordance with ASTM E84 or UL 723.

  3. Materials exhibiting a peak heat release rate not exceeding 300 kW/m [2] when tested in accordance with ASTM E1354 at an incident heat flux of 50 kW/m [2] in the horizontal orientation on specimens at the thickness intended for use.

Exceptions & meaning →

3311.2 Group I-2 separations.

For additional requirements for occupancies in Group I-2, see Section 1105.12 and Section 1105.12.1.

Exceptions & meaning →

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▸Contents — California Fire Code (Title 24, Part 9)
California Fire Code (Title 24, Part 9)

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