For a quantity exercise, an excavation has actual vertical-sided dimensions of 180 ft long, 3 ft wide and 7 ft deep. Excluding swell and over-excavation, what in-place volume is excavated?
Correct Answer
D) 140 cy
Excavated volume = 180 × 3 × 7 = 3,780 cubic feet; divide by 27 to obtain 140 cubic yards in place. No swell or over-excavation allowance is supplied. Shielding and safe entry require separate review; this calculation does not certify the protective system.
Why This Is the Correct Answer
Excavated volume = 180 × 3 × 7 = 3,780 cubic feet; divide by 27 to obtain 140 cubic yards in place. No swell or over-excavation allowance is supplied. Shielding and safe entry require separate review; this calculation does not certify the protective system.
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