At the bank drive-through canopy, during the subcontractor quantity check, the slab edge requires 104 LF of thickened-edge forms at 2.5 ft high on 1 side. What contact area is required?
Correct Answer
D) 260 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: 104 SF
104 SF is below the supported result for thickened-edge forms; it likely uses the wrong base, period, or account bucket.
Option B: 325 SF
325 SF is above the supported result for thickened-edge forms; it likely adds an unsupported amount or compares the wrong financial base.
Option C: 261 SF
261 SF is above the supported result for thickened-edge forms; it likely adds an unsupported amount or compares the wrong financial base.
Memory Technique
Concrete Foreman money test: bucket before math for thickened-edge.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Concrete slab forming; edge form area; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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