While preparing the next-week procurement cycle for the performing-arts scene shop, the mezzanine edge is 84 ft long and posts are placed at 8 ft on center, including one at the starting end. How many posts are needed?
Correct Answer
D) 11 posts
Count the spaces along the run, then include the starting item.
Why This Is the Correct Answer
Count the spaces along the run, then include the starting item.
Why the Other Options Are Wrong
Option A: 10 posts
10 posts is below the supported result for guardrail post layout; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 12 posts
12 posts is above the supported result for guardrail post layout; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option C: 13 posts
13 posts is above the supported result for guardrail post layout; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Foreman Checks takeoff: count the condition before counting the package Tie the cue to Guardrail Post Layout Foreman.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Temporary and permanent rail systems; post spacing; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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