At the county annex sally port, during the crew-release check, the #7 pier cage bars takeoff has 51 bars at 24 ft each. Using 2.044 lb per ft for vertical cage bars, what reinforcing weight is estimated?
Correct Answer
C) 2,502 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: 1,224 lb
1,224 lb is below the supported result for #7 pier cage bars; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 104 lb
104 lb is below the supported result for #7 pier cage bars; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 2,802 lb
2,802 lb is above the supported result for #7 pier cage bars; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
# Pier Cage 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; pier cage weight; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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