excavation depth

What Is The Greatest Risk Present At An Excavation Site?

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What Is The Greatest Risk Present At An Excavation Site? The greatest risk in an excavation is a cave-in. Employees can be protected through sloping, shielding, and shoring the excavation. A competent person is responsible to inspect the excavation. Other excavation hazards include water accumulation, oxygen deficiency, toxic fumes, falls, and mobile equipment. What are

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