For the field-takeoff reconciliation at the seafood-market cooler room, the one-sided curb line requires 72 LF of curb forms at 3.5 ft high on 1 side. What contact area is required?
Correct Answer
D) 252 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: 72 SF
72 SF is below the supported result for curb forms; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 315 SF
315 SF is above the supported result for curb forms; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option C: 253 SF
253 SF is above the supported result for curb forms; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to form, adjust for contact, then let Concrete Foreman set the finish line.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Site concrete formwork; curb contact area; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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