A trench is 110 feet long, and the problem's access rule requires a ladder within 25 feet of workers. How many access points are needed?
Correct Answer
B) 5 access points.
One access point per 25 feet for 110 feet requires rounding 110 / 25 up to 5 access points.
Why This Is the Correct Answer
One access point per 25 feet for 110 feet requires rounding 110 / 25 up to 5 access points.
Why the Other Options Are Wrong
Option A: 4 access points.
4 access points. is below the supported result for excavation access; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 6 access points.
6 access points. is above the supported result for excavation access; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 8 access points.
8 access points. is above the supported result for excavation access; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to point, adjust for feet, then let Laying Out set the finish line.
Reference Hint
Study anchor (closed-book): memorize Excavation access from Cal/OSHA Title 8 Construction Safety Orders; CSLB Law and Business. / Title 8 excavation access and egress; know the rule or calculation trigger without relying on exam-room lookup.
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