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668 HAZWOPER for General Site Workers IX
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Floors, Balconies, Walkways, Equipment, and Excavations

  • Floors, Mezzanines, Balconies, and Walkways: Use guardrails or fall arrest/restraint systems to protect employees working on established floors, mezzanines, balconies, and walkways with an unprotected side or edge six feet or more above a lower level from falling.
  • Dangerous Equipment: Protect employees from falls into or onto dangerous equipment, regardless of the fall distance. To protect employees, use guardrails or fall arrest/restrain systems.
  • Excavations: Each employee at the edge of an excavation six feet or more in depth must be protected from falling when the excavations are not readily seen because of plant growth or other visual barriers. Never let employees in a trench work under heavy equipment.
Never let employees in a trench work under heavy equipment.
  • Wells, Pits, and Shafts: Use guardrail systems to protect each employee at the edge of a well, pit, shaft, and similar excavation six feet or more in depth from falling.

For more information on fall protection, take a look at OSHAcademy course 805 Fall Protection in Construction.

For more information on excavation safety, see Oregon OSHA's, How to Dig Your Own Grave.

Knowledge Check Choose the best answer for the question.

2-6. How can employers protect workers from a 7-foot trench not readily seen?