Heat Exhaustion 101 For Surface Miners

Avoid Heat Exhaustion At Your Mine Site

By:  The Mine Safety Institute, Part 46 New Miner Training

Miner Safety In Extreme Heat

Heat Exhaustion 101 For Surface Miners

Heat exhaustion is a hazard of extreme heat in mining environments. When a miner does not maintain proper hydration and body temperature, they will begin to display symptoms of mild to severe heat exhaustion and heat stroke.

The good news is that heat exhaustion is preventable! Below are tips for staying healthy while working in mines during extreme heat. As always, these are general suggestions, and you should always follow the rules at your mine site.

Prevention Strategies


  • Drink water oz = your weight in lbs
  • Set a timer to remind you to drink
  • Drink before you feel thirsty
  • Have a water bottle nearby
  • Consider wearing a camelbak


  • Wear a hat or bandana
  • Apply SPF to all exposed body parts
  • Wear fabric of light weight and color
  • Consider using a coolwrap to keep down your body temperature.


  • Take all breaks in the shade
  • Take all breaks on time
  • Use breaks to rest and recharge
  • Take a break if feeling unwell
  • Do light stretches to recharge


Faint or dizzy

Excessive sweating

Cool, pale, clammy skin

Nausea or vomiting

Rapid, weak pulse

Muscle cramps

Throbbing Headache

No Sweating

Body temperature above 103°

Nausea or vomiting

Red, hot, dry skin

Rapid, strong pulse

May lose consciousness


Get to a cooler, air conditioned place

Drink water if fully conscious

Take a cool shower or use a cold compress

CALL 9-1-1

Take immediate action to cool the person until help arrives