What top-edge height is generally required for construction guardrail systems?
Correct Answer
B) 42 in. plus or minus 3 in.
Construction guardrail top edges are generally 42 inches plus or minus 3 inches above the walking-working level.
Why This Is the Correct Answer
Construction guardrail top edges are generally 42 inches plus or minus 3 inches above the walking-working level.
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