Occupational Safety and Health Administration OSHA

Slide 34

Slide 34


Title: Tube and Coupler (cont'd)

Type: Text Slide


  • Transverse bracing forming an "X" across the width of the scaffold must be installed at the scaffold ends, and at least at:

    - Every third set of posts horizontally (measured from only one end)

    - Every fourth runner vertically

  • Bracing must extend upward diagonally to opposite sides of the scaffold
  • Where length is greater than their height, longitudinal bracing must be repeated beginning at least at every fifth post
  • On outside posts, tube and coupler guardrails and midrails may be used in lieu of outside runners
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