Trench Spoil Pile Setback and Surcharge
Required spoil-pile setback (the larger of the OSHA 2 ft minimum and the depth-based surcharge), the pile toe spread, and the total clear distance from the trench edge.
Formula and source
base_halfwidth = spoil_height / tan(repose); setback = max(min_setback, trench_depth); total_clear = setback + base_halfwidth.
OSHA 29 CFR 1926.651(j) (2 ft spoil setback) and Subpart P (protective systems) by name; first-principles geometry.
Audience
This tile is built for carpentry and the adjacent professions in the Carpentry and Construction group. The interactive calculator runs entirely in your browser. No account, no fee, no advertising, no tracking.
Related tiles
Posture
Rough Logic answers the math question the working professional asks on the job. The site is a calm, fast, ad-free, account-free, ever-free reference. It does not interpret code. It does not replace the licensed professional. It does not store your inputs. The Authority Having Jurisdiction governs all installations and inspections.