While preparing the crew-release check for the campus maintenance annex, the #6 grade-beam bars takeoff has 129 bars at 32 ft each. Using 1.502 lb per ft for beam reinforcement, what reinforcing weight is estimated?
Correct Answer
A) 6,200 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 B: 4,128 lb
4,128 lb is below the supported result for #6 grade-beam bars; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 194 lb
194 lb is below the supported result for #6 grade-beam bars; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 6,944 lb
6,944 lb is above the supported result for #6 grade-beam bars; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
# Grade-Beam 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; beam bar weight; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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