During the next-week procurement cycle at the fire-station apparatus bay, the exposed beam run requires 176 LF of grade-beam forms at 2.5 ft high on 2 sides. What contact area is required?
Correct Answer
C) 880 SF
Form contact area equals length times height times the number of formed sides.
Why This Is the Correct Answer
Form contact area equals length times height times the number of formed sides.
Why the Other Options Are Wrong
Option A: 440 SF
440 SF is below the supported result for grade-beam forms; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 352 SF
352 SF is below the supported result for grade-beam forms; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 1,100 SF
1,100 SF is above the supported result for grade-beam forms; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Grade-Beam Forms cart for Concrete Foreman: form first, contact second, whole sf last.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Concrete formwork; beam side forms; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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