At the data-room equipment alcove, during the material-order review, the self-leveling underlayment requires 27.8 CY of skim-coat volume. If each bag yields 0.50 CY, how many bags are needed?
Correct Answer
D) 56 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 A: 14 bags
14 bags is below the supported result for self-leveling underlayment; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 58 bags
58 bags is above the supported result for self-leveling underlayment; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option C: 57 bags
57 bags is above the supported result for self-leveling underlayment; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Memory cue: condition first, method second. Tie the cue to Foreman Checks Bag Yield Material-Order.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Floor preparation; underlayment bag yield; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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