Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS

Section 304 — STRUCTURAL DESIGN LOADS AND EVALUATION AND DESIGN PROCEDURES

2025 California Existing Building Code (Title 24, Part 10) · 2025 edition · ingested 2026-07-07 · California

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[BS] 304.1 Live loads. Where an addition or alteration does not result in increased design live load, existing gravity load-carrying structural elements shall be permitted to be evaluated and designed for live loads approved prior to the addition or alteration. If the approved live load is less than that required by Section 1607 of the California Building Code, the area designated for the nonconforming live load shall be posted with placards of approved design indicating the approved live load. Where the addition or alteration results in increased design live load, the live load required by…