trench excavation

What Are Some Of The Hazards Associated With Trenches And Excavation?

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What Are Some Of The Hazards Associated With Trenches And Excavation? Cave-ins. Trench collapses kill an average of two workers every month, making this a serious threat to worker safety. … Falls and falling loads. Workers and work equipment can fall into an excavated area. … Hazardous atmospheres. … Mobile equipment. … Hitting utility lines.

At What Depth Must Employees Be Protected From Cave-ins In An Excavation?

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At What Depth Must Employees Be Protected From Cave-ins In An Excavation? Trenches 5 feet (1.5 meters) deep or greater require a protective system unless the excavation is made entirely in stable rock. If less than 5 feet deep, a competent person may determine that a protective system is not required. At what depth must