At the storm-shelter entry vestibule, during the look-ahead planning meeting, the non-shrink grout requires 17.9 CY of base-plate pockets. If each bag yields 0.45 CY, how many bags are needed?
Correct Answer
A) 40 bags
Bag count equals required volume divided by bag yield, rounded up.
Why This Is the Correct Answer
Bag count equals required volume divided by bag yield, rounded up.
Why the Other Options Are Wrong
Option B: 8 bags
8 bags is below the supported result for non-shrink grout; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 42 bags
42 bags is above the supported result for non-shrink grout; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 41 bags
41 bags is above the supported result for non-shrink grout; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to bag, adjust for count, then let Foreman Checks set the finish line.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Grouting methods; bag yield calculation; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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