At the airport service-court canopy, during the preconstruction estimate lock, the floor coating area for epoxy floor coating is 19775 SF and requires 2 coats. At 260 SF per gallon, how many gallons are required?
Correct Answer
C) 153 gallons
Gallons equal area times coats divided by coverage, rounded up.
Why This Is the Correct Answer
Gallons equal area times coats divided by coverage, rounded up.
Why the Other Options Are Wrong
Option A: 76 gallons
76 gallons is below the supported result for epoxy floor coating; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 132 gallons
132 gallons is below the supported result for epoxy floor coating; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 156 gallons
156 gallons is above the supported result for epoxy floor coating; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to controlling, adjust for area, then let Finishes Superintendent set the finish line.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Special coatings; coverage and coats; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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