What top edge height does s. 1926.502(b)(1) require for a guardrail system?
Correct Answer
A) 42 inches, plus or minus 3 inches, above the walking or working level
Section 1926.502(b)(1): "Top edge height of top rails, or equivalent guardrail system members, shall be 42 inches (1.1 m) plus or minus 3 inches (8 cm) above the walking/working level." The same paragraph allows the top edge to exceed 45 inches when conditions warrant, provided the rest of the criteria are met.
Why This Is the Correct Answer
Section 1926.502(b)(1): "Top edge height of top rails, or equivalent guardrail system members, shall be 42 inches (1.1 m) plus or minus 3 inches (8 cm) above the walking/working level." The same paragraph allows the top edge to exceed 45 inches when conditions warrant, provided the rest of the criteria are met.
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