Chapter 17A — SPECIAL INSPECTIONS AND TESTS
Section 1706A — DESIGN STRENGTHS OF MATERIALS
2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California
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1706 A .1 Conformance to standards. The design strengths and permissible stresses of any structural material that are identified by a manufacturer’s designation as to manufacture and grade by mill tests, or the strength and stress grade is otherwise confirmed to the satisfaction of the building official, shall conform to the specifications and methods of design of accepted engineering practice or the approved rules in the absence of applicable standards. 1706 A .2 New materials. For materials that are not specifically provided for in this code, the design strengths and permissible stresses…