During the look-ahead planning meeting at the parking-garage stair tower, the deck repair area for plywood roof sheathing is 960 SF. With 7% waste and 32 SF per sheet or panel, how many sheets are required?
Correct Answer
B) 33 sheets
Sheet count equals area with waste divided by coverage per sheet or panel, rounded up.
Why This Is the Correct Answer
Sheet count equals area with waste divided by coverage per sheet or panel, rounded up.
Why the Other Options Are Wrong
Option A: 30 sheets
30 sheets is below the supported result for plywood roof sheathing; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 16 sheets
16 sheets is below the supported result for plywood roof sheathing; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 37 sheets
37 sheets is above the supported result for plywood roof sheathing; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Plywood cart for Carpenter Checks: sheet first, count second, whole the controlling choice last.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Rough carpentry; sheet goods takeoff; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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