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Heat Stress Workload Example Activities


  • Sitting quietly
  • Sitting with moderate air movement


  • Sitting with moderate arm and leg movements
  • Standing with light work at machine or bench while using mostly arms
  • Standing with light to moderate work at a machine or bench including some walking
  • Using a table saw


  • Walking about with moderate lifting and pushing.
  • Walking on level at 4 mph (6 km/hr) while carrying 5lbs. (3 kg) weight load.
  • Scrubbing in a standing position.


  • Carpenter sawing by hand.
  • Heavy assembly work on a non-continuous basis.
  • Intermittent heavy lifting with pushing or pulling (e.g. pick and shovel work)

Very Heavy

  • Shoveling wet sand