Under 1926.451(g)(4)(vii), what minimum toprail force capacity applies to a guardrail on an ordinary supported scaffold?
Correct Answer
C) At least 200 pounds
The minimum toprail capacity for this supported scaffold is 200 pounds applied at any point on the top edge in a horizontal or downward direction. The 100-pound category is for single-point and two-point adjustable suspension scaffolds. The corresponding midrail minimum for a 200-pound toprail system is 150 pounds. Source: https://www.osha.gov/laws-regs/regulations/standardnumber/1926/1926.451
Why This Is the Correct Answer
The minimum toprail capacity for this supported scaffold is 200 pounds applied at any point on the top edge in a horizontal or downward direction. The 100-pound category is for single-point and two-point adjustable suspension scaffolds. The corresponding midrail minimum for a 200-pound toprail system is 150 pounds. Source: https://www.osha.gov/laws-regs/regulations/standardnumber/1926/1926.451
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