(viii) When the loads specified in paragraph (g)(4)(vii) of this section are applied in a downward direction, the top edge shall not drop below the height above the platform surface that is prescribed in paragraph (g)(4)(ii) of this section. Some of the relevant provisions state: (vii) Each toprail or equivalent member of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along its top edge of at least 100 pounds (445 n) for guardrail systems installed on single-point adjustable suspension scaffolds or two-point adjustable suspension scaffolds, and at least 200 pounds (890 n) for guardrail systems installed on all other scaffolds. 451 (g)(4) provides the requirements for guardrail systems. Question #1: Does the OSHA scaffold standard for construction (Part 1926 Subpart L) permit the use of #9 wire to secure the toprails and the midrails on tubular scaffolding? Re: (1)Whether #9 wire may be used to secure the toprails and the midrails on tubular scaffolding, and (2) A permissible method for setting transitional wood planks before changing direction on tubular scaffolding utilizing aluminum hook-on planks.
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