SC Grading Practice Questions - South Carolina Grading Contractor Examination Exam

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A 100-foot-long, 10-foot-deep, 4-foot-wide (bottom) trench is cut with vertical walls, then laid back to Type C 1½:1 slopes on both sides. Extra excavation compared with the vertical trench is closest to:

111 cubic yards 556 cubic yards 278 cubic yards 1,111 cubic yards

Correct Answer:

556 cubic yards

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