While preparing the buyout verification pass for the surgery-suite support room, the roof tear-off debris produces 127 CY of tear-off volume, with 0% swell or handling allowance. Each container holds 20 CY. How many dumpsters are required?
Correct Answer
D) 7 dumpsters
Container count equals adjusted debris volume divided by container capacity, rounded up.
Why This Is the Correct Answer
Container count equals adjusted debris volume divided by container capacity, rounded up.
Why the Other Options Are Wrong
Option A: 6 dumpsters
6 dumpsters is below the supported result for roof tear-off debris; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 8 dumpsters
8 dumpsters is above the supported result for roof tear-off debris; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option C: 12 dumpsters
12 dumpsters is above the supported result for roof tear-off debris; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to container, adjust for count, then let Superintendent Checks set the finish line.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Roof demolition; dumpster planning; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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