SC Pipelines Practice Questions - South Carolina Pipelines Contractor Examination Exam

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Under OSHA 1926 Subpart P, a protective system (sloping, benching, shoring, or a trench box) is required for employees in a trench of what depth, unless the excavation is entirely in stable rock or a competent person finds no cave-in potential?

2 feet 4 feet 5 feet 20 feet

Correct Answer:

5 feet

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