SC Grading Practice Questions - South Carolina Grading Contractor Examination Exam

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When placing new embankment against an existing hillside steeper than 3:1 (measured at right angles to the roadway), SCDOT requires the existing slope to be:

Left smooth so the new fill can slide into place Cut to a vertical face 10 feet high Benched continuously in rises of not less than 12 inches, with benches wide enough to place fill in layers Covered with a plastic bond breaker

Correct Answer:

Benched continuously in rises of not less than 12 inches, with benches wide enough to place fill in layers

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