Partition surfaces total 18,480 sf. Standard boards cover 32 sf, and the estimator carries 9% waste. How many boards should be included?
Correct Answer
B) 630 boards
Divide surface area by board coverage after applying waste.
Why This Is the Correct Answer
Divide surface area by board coverage after applying waste.
Why the Other Options Are Wrong
Option A: 578 boards
578 boards is below the supported result for drywall board count; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 610 boards
610 boards is below the supported result for drywall board count; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 674 boards
674 boards is above the supported result for drywall board count; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Levels Quantities takeoff: count the condition before counting the package.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 11th Edition, 2024 to Interior partition estimating; gypsum board coverage; confirm the required quantity, authority, timing, or record before selecting the answer.
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