At the visitor-center exhibit wall, during the field-takeoff reconciliation, the exposed beam run requires 368 LF of grade-beam forms at 2.0 ft high on 2 sides. What contact area is required?
Correct Answer
A) 1,472 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 B: 736 SF
736 SF is below the supported result for grade-beam forms; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 1,840 SF
1,840 SF is above the supported result for grade-beam forms; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 1,473 SF
1,473 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
Concrete Foreman takeoff: count the condition before counting the package.
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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