1707.9 Trenches, Tunneling, and Driving — 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) § 1707.9 · Effective January 1, 2026 · Official source: Building Standards Commission

Trenches shall comply with Section 317.1. Tunneling and driving shall comply with Section 317.2.

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

California Mechanical Code (Title 24, Part 4)

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