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§1926.451 General Requirements
For All Scaffolds (con't)
(b) Scaffold platform construction
Platforms fully planked or decked
no more than 1" gaps
maximum openings of 9½"
scaffold platforms and walkways 18" wide
ladder jack, top plate bracket, roof bracket, and pump jack scaffold at least 12" wide
guardrails and/or personal fall arrest systems for platforms and runways not 18" wide
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Occupational Safety & Health Administration
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