29 CFR Part 1926, Appendix F
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The following figures are a graphic summary of the requirements contained in subpart P for excavations 20 feet or less in depth. Protective systems for use in excavations more than 20 feet in depth must be designed by a registered professional engineer in accordance with § 1926.652 (b) and (c).