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814 Heavy Equipment Safety
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Signal Persons/Spotters

The use of signal persons or spotters is a proven method of protecting employees on foot behind heavy equipment and vehicles with an obstructed view, but spotters themselves can be at risk for injury or even death.

Employers can implement the following actions to help keep spotters safe:

  • Spotters and drivers should agree on hand signals before backing up.
  • Spotters should always maintain visual contact with the driver while the vehicle is backing.
  • Drivers should stop backing immediately if they lose sight of the spotter.
  • Spotters should not have additional duties while they are acting as spotters.
  • Spotters should not use personal mobile phones, personal headphones, or other items which could pose a distraction during spotting activities.
  • Spotters should be provided with high-visibility clothing, especially during night operations.

Knowledge Check Choose the best answer for the question.

4-6. What is a proven method of protecting employees on foot behind heavy equipment and vehicles with an obstructed view?