While preparing the look-ahead planning meeting for the medical-office imaging room, the #4 slab dowels takeoff has 93 bars at 40 ft each. Using 0.668 lb per ft for dowel stock, what reinforcing weight is estimated?
Correct Answer
C) 2,485 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: 3,720 lb
3,720 lb is above the supported result for #4 slab dowels; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option B: 62 lb
62 lb is below the supported result for #4 slab dowels; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 2,783 lb
2,783 lb is above the supported result for #4 slab dowels; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Concrete Estimator takeoff: count the condition before counting the package.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Reinforcing steel; bar weight estimating; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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