During the material-order review at the urgent-care ambulance canopy, the deck area for the temporary dry-in totals 1840 SF. With 15% waste, how many roofing squares are needed?
Correct Answer
A) 21.2 squares
Roofing squares equal roof square feet with waste divided by 100.
Why This Is the Correct Answer
Roofing squares equal roof square feet with waste divided by 100.
Why the Other Options Are Wrong
Option B: 18.4 squares
18.4 squares is below the supported result for temporary dry-in; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 235.1 squares
235.1 squares is above the supported result for temporary dry-in; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 29.2 squares
29.2 squares is above the supported result for temporary dry-in; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to roofing, adjust for controlling, then let Roofing Estimator set the finish line.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Roofing temporary protection; square takeoff; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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