SC Grading Practice Questions - South Carolina Grading Contractor Examination Exam

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A trench in Type C soil is 10 feet deep and 4 feet wide at the bottom and is sloped at the OSHA maximum of 1½ horizontal to 1 vertical on both sides. The required width at the top is:

14 feet 19 feet 40 feet 34 feet

Correct Answer:

34 feet

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