SC Concrete Paving Practice Questions - South Carolina Concrete Paving Contractor Examination Exam

Under OSHA 29 CFR 1926.652, a protective system against cave-ins is required for employees in excavations unless:

The trench is less than 10 feet deep The excavation is entirely in stable rock, or is less than 5 feet deep and a competent person finds no cave-in potential The contractor has a shovel on site Work will last less than one hour

Correct Answer:

The excavation is entirely in stable rock, or is less than 5 feet deep and a competent person finds no cave-in potential

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