For the field-takeoff reconciliation at the emergency-generator enclosure, the ceiling tile area for acoustic ceiling tile is 7770 SF, with 5% attic stock and waste. A carton covers 64 SF. How many cartons should be ordered?
Correct Answer
D) 128 cartons
Carton quantity equals adjusted floor or ceiling area divided by carton coverage, rounded up.
Why This Is the Correct Answer
Carton quantity equals adjusted floor or ceiling area divided by carton coverage, rounded up.
Why the Other Options Are Wrong
Option A: 121 cartons
121 cartons is below the supported result for acoustic ceiling tile; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 134 cartons
134 cartons is above the supported result for acoustic ceiling tile; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option C: 126 cartons
126 cartons is below the supported result for acoustic ceiling tile; it likely omits allowance, conversion, coverage, or final round-up.
Memory Technique
Acoustic cart for Finishes Estimator: carton first, adjusted second, whole units last.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Acoustical ceilings; carton coverage; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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