While preparing the buyout verification pass for the dental-clinic sterilization room, the #5 footing bars takeoff has 75 bars at 40 ft each. Using 1.043 lb per ft for continuous bar stock, what reinforcing weight is estimated?
Correct Answer
D) 3,129 lb
Reinforcing weight equals bar count times length times pounds per foot.
Why This Is the Correct Answer
Reinforcing weight equals bar count times length times pounds per foot.
Why the Other Options Are Wrong
Option A: 3,000 lb
3,000 lb is below the supported result for #5 footing bars; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 78 lb
78 lb is below the supported result for #5 footing bars; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 3,504 lb
3,504 lb is above the supported result for #5 footing bars; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
# Footing Bars cart for Concrete Estimator: reinforcing first, weight second, whole units last.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Reinforcing steel; footing bar weight; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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