MS Carpentry Practice Questions - Mississippi Carpentry Contractor Examination Exam

What is the required top-edge height of an OSHA construction guardrail system above the walking/working surface?

36 inches, plus or minus 2 inches 42 inches, plus or minus 3 inches 48 inches exactly 30 inches, plus or minus 3 inches

Correct Answer:

42 inches, plus or minus 3 inches

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