Working Safely in Trenches When done safely, trenching operations can reduce worker exposure to cave-ins, falling loads, hazardous atmospheres, and hazards from mobile equipment. OSHA standards require that trenches and protective systems be inspected daily and as conditions change by a competent person before work begins. Never enter a trench unless: It has been properly […]

Water accumulation in an excavation can undermine the sides of the excavation and make it more difficult for workers to get out of the excavation. The OSHA standards prohibit employers from allowing workers to enter an excavation where water has accumulated or is accumulating unless adequate precautions are taken to protect workers. Such precautions can […]

Must slope, bench, shore, or use a trench box if deeper than 5’. Follow Table 1 (see other side). You may need to slope at less than 5’ if hazard exists. A Qualified Person must decide the proper slope for the trench and inspect it. Inspections must be an ongoing process. If the excavation does […]