NV A-15 Sewers And Drains Practice Questions - Nevada A-15 Sewers, Drains And Pipes Contractor Examination Exam

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Per 29 CFR 1926.651, a stairway, ladder, ramp, or other safe means of egress is required in a trench excavation once the trench reaches what minimum depth?

4 feet 3 feet 5 feet 6 feet

Correct Answer:

4 feet

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