SC Non-Structural Renovation Practice Questions - South Carolina Non-Structural Renovation Contractor Examination Exam

OSHA 1926.502(b) requires the top edge of a guardrail system to be how high above the walking/working surface?

36 inches exactly 42 inches plus or minus 3 inches 48 inches plus or minus 6 inches 54 inches minimum

Correct Answer:

42 inches plus or minus 3 inches

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