Safety
Excavation Safety
Safety measures and practices designed to protect workers from hazards associated with excavations, trenches, and earthwork operations.
Excavation Safety
Excavation safety encompasses the practices, procedures, and equipment used to protect workers from the hazards of working in or near excavations and trenches. Cave-ins are one of the most dangerous construction hazards.
OSHA Requirements
29 CFR 1926 Subpart P — Excavations
Key Requirements
- **Soil classification** — Type A, B, or C
- **Protective systems** — sloping, shoring, or shielding
- **Daily inspections** — before each shift and after rain
- **Competent person** — designated to inspect and authorize entry
- **Access/egress** — ladders, ramps, or stairs within 25 feet
- **Utilities** — locate and mark before digging
- **Spoil piles** — kept at least 2 feet from the edge
Protective Systems
- **Sloping/benching** — cut the trench walls at a safe angle
- **Shoring** — hydraulic or timber supports
- **Shielding** — trench box or trench shield
Related Terms
- Confined Space Entry
Entry into a space that is not designed for continuous occupancy, has limited access and egress, and may contain hazardous atmospheres.
- Job Safety Analysis (JSA)
A systematic process of identifying potential hazards associated with each step of a job task and developing safe work procedures.
- Scaffolding Safety
Safety standards and practices for the erection, use, and dismantling of scaffolds to protect workers at heights.
- OSHA
Occupational Safety and Health Administration. The US federal agency that sets and enforces workplace safety standards.
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