For the crew-release check at the cafeteria dishwashing alcove, the mezzanine edge is 234 ft long and posts are placed at 6 ft on center, including one at the starting end. How many posts are needed?
Correct Answer
B) 40 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: 39 posts
39 posts is below the supported result for guardrail post layout; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 41 posts
41 posts is above the supported result for guardrail post layout; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 42 posts
42 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
Measure to count, adjust for spaces, then let Foreman Checks set the finish line.
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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