Chapter 16A — STRUCTURAL DESIGN

Section 1613A — EARTHQUAKE LOADS

2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California

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1613 A .1 Scope. Every structure, and portion thereof, including nonstructural components that are permanently attached to structures and their supports and attachments, shall be designed and constructed to resist the effects of earthquake motions in accordance with Chapters 11, 12, 13, 15, 17 and 18 of ASCE 7, as applicable. The seismic design category for a structure is permitted to be determined in accordance with Section 1613 A or ASCE 7. 1613 A .2 Determination of seismic design category. Structures shall be assigned to a Seismic Design Category D or higher based on one of the following…