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668 HAZWOPER for General Site Workers IX
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Recommended Precautions: Elevated Surfaces

Using guardrails and taking other precautions when working on elevated surfaces is essential for maintaining safety and preventing falls.

Install standard guardrails on surfaces elevated more than 48 inches above the floor or ground.

Take these precautions to help prevent injuries while working on elevated surfaces on the worksite:

  • Post signs, when appropriate, showing the elevated surface load capacity.
  • Install standard guardrails on surfaces elevated more than 48 inches above the floor or ground and at all heights above dangerous equipment or machinery.
  • Ensure standard 4-inch toeboards are installed on all elevated surfaces that expose people or machinery to falling objects.
  • Install a permanent means of entry and exit with handrails to elevated storage and work surfaces.
  • Pile, stack or rack material in a way that prevents it from tipping, falling, collapsing, rolling or spreading.

Knowledge Check Choose the best answer for the question.

2-3. The employer should install standard guardrails on surfaces elevated _____ above the floor or ground and _____ above dangerous equipment or machinery.