A rectangular work area is 160 ft by 95 ft. A 24 ft gate opening will not receive fence. How many linear feet of temporary fence are needed?
Correct Answer
B) 486 lf
Compute the perimeter and subtract the gate opening.
Why This Is the Correct Answer
Compute the perimeter and subtract the gate opening.
Why the Other Options Are Wrong
Option A: 462 lf
462 lf is below the supported result for temporary fencing; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 510 lf
510 lf is above the supported result for temporary fencing; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 534 lf
534 lf is above the supported result for temporary fencing; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Lays Out takeoff: count the condition before counting the package.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 11th Edition, 2024 to Site logistics estimating; temporary fencing; match the project role and timing before choosing.
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