A site requires 2,400 cubic yards of compacted fill. The soil has a shrinkage factor of 15% from bank to compacted state. How many cubic yards of material must be excavated from the borrow pit?
Correct Answer
B) 2,880 cubic yards
With 15% shrinkage, the soil compacts to 85% of its bank volume. Required bank volume = 2,400 ÷ 0.85 = 2,824 cubic yards, closest to 2,880 cubic yards.
Why This Is the Correct Answer
With 15% shrinkage, the soil compacts to 85% of its bank volume. Required bank volume = 2,400 ÷ 0.85 = 2,824 cubic yards, closest to 2,880 cubic yards.
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