Planning & EstimatingQuestion 493 of 700
A trench is 3 ft wide, 5 ft deep, and 100 ft long. How many cubic yards of soil must be excavated (neglecting swell)?
a.About 15 cubic yards
b.About 33 cubic yards
c.About 45 cubic yards
d.About 56 cubic yards
Explanation
Volume = 3 x 5 x 100 = 1,500 cubic feet. Divide by 27: 1,500 / 27 = about 55.6, or 56 cubic yards. Option a divides by an incorrect factor. Option c omits part of the depth. Bank-measure excavation is figured in place; add a swell factor separately when sizing hauling.
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