While preparing the crew-release check for the university bookstore shell, the concrete washout solids produces 147 CY of solid waste volume, with 15% swell or handling allowance. Each container holds 10 CY. How many containers are required?
Correct Answer
A) 17 containers
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 B: 15 containers
15 containers is below the supported result for concrete washout solids; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 18 containers
18 containers is above the supported result for concrete washout solids; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 16 containers
16 containers is below the supported result for concrete washout solids; it likely omits allowance, conversion, coverage, or final round-up.
Memory Technique
Concrete cart for Superintendent Checks: container first, count second, whole units last.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Concrete operations; washout container planning; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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