Partition surfaces total 25,600 sf. Boards cover 32 sf each and the estimate carries 8% waste. How many boards should be included?
Correct Answer
D) 864 boards
Add waste, divide by board coverage, and round up.
Why This Is the Correct Answer
Add waste, divide by board coverage, and round up.
Why the Other Options Are Wrong
Option A: 800 boards
800 boards is below the supported result for gypsum board; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 830 boards
830 boards is below the supported result for gypsum board; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 896 boards
896 boards is above the supported result for gypsum board; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Gypsum Board cart for Office Build-Out: add first, waste second, whole the controlling choice last.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 11th Edition, 2024 to Interior partition estimating; gypsum board coverage; verify quantity math, FL permit status, notice step, or field-control timing.
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