A pad requires 2,640 cy of compacted fill in place. Borrow material yields 90% after compaction. How many loose cubic yards should be ordered?
Correct Answer
D) 2,933 lcy
Divide compacted required volume by compaction yield.
Why This Is the Correct Answer
Divide compacted required volume by compaction yield.
Why the Other Options Are Wrong
Option A: 2,376 lcy
2,376 lcy is below the supported result for compacted fill yield; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 2,640 lcy
2,640 lcy is below the supported result for compacted fill yield; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 3,168 lcy
3,168 lcy is above the supported result for compacted fill yield; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Compacted Fill Yield cart for Estimates Imported: divide first, volume second, whole units last.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 11th Edition, 2024 to Earthwork estimating; compaction yield; match the role, timing, and required approval before choosing.
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