Six W18x35 beams, each 42 ft long, are released for shipment. Using the nominal 35 lb/ft shape weight, what shipping weight should be carried before dunnage?
Correct Answer
C) 8,820 lb
The beam steel weighs 6 x 42 x 35 = 8,820 lb. Other choices use five beams, a 45 ft length, or a 40 lb/ft shape weight.
Why This Is the Correct Answer
The beam steel weighs 6 x 42 x 35 = 8,820 lb. Other choices use five beams, a 45 ft length, or a 40 lb/ft shape weight.
Why the Other Options Are Wrong
Option A: 7,560 lb
beam shipping weight, choice a: 7,560 lb omits a required add-on/subtraction; the numeric gap is 1,260.
Option B: 9,450 lb
beam shipping weight, choice c: 9,450 lb adds an extra unstated add-on/subtraction; the numeric gap is 630.
Option D: 10,080 lb
beam shipping weight, choice d: 10,080 lb adds an extra unstated add-on/subtraction; the numeric gap is 1,260.
Memory Technique
Keep a gate beside beam shipping weight: if one number is skipped, the option drifts away from 8,820 lb.
Reference Hint
Open Principles and Practices of Commercial Construction, 11th Ed., 2024; use the index entry or section for "Steel shape weight takeoff" to confirm that The beam steel weighs 6 x 42 x 35 = 8,820 lb.
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