SC Water And Sewer Lines Practice Questions - South Carolina Water And Sewer Lines Contractor Examination Exam

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Under 29 CFR 1926.652, a protective system against cave-ins is required in excavations that are 5 feet or deeper unless which condition is met?

A flagger is posted at each end of the trench The excavation is entirely in stable rock, or it is less than 5 feet deep and a competent person finds no indication of a potential cave-in The contractor has a South Carolina commercial contractor license The trench will be open for less than one shift

Correct Answer:

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

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