A superintendent asks whether a field-built top rail is strong enough. What minimum outward or downward force must the top rail resist?
Correct Answer
D) 200 lb
Guardrail top rails must withstand at least 200 lb applied outward or downward near the top edge. Other choices are below the OSHA criterion or confuse the midrail force with the top-rail force.
Why This Is the Correct Answer
Guardrail top rails must withstand at least 200 lb applied outward or downward near the top edge. Other choices are below the OSHA criterion or confuse the midrail force with the top-rail force.
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