Heat Stress & Cold Exposure

Understanding Temperature-Related Hazards

Working in extreme temperatures—whether hot or cold—can pose serious health risks. Understanding these risks and implementing proper controls is essential for maintaining worker safety and productivity.

Heat Stress Management

1. Types of Heat Stress

• Heat Exhaustion
• Heat Cramps
• Heat Rash
• Heat Stroke (Medical Emergency)

2. Risk Factors

• High Temperature and Humidity
• Direct Sun Exposure
• Heavy Physical Work
• Lack of Acclimatization
• Personal Protective Equipment
• Certain Medical Conditions

3. Prevention Strategies

• Regular Hydration (drink before feeling thirsty)
• Scheduled Rest Breaks
• Cooling Stations
• Light, Breathable Clothing
• Buddy System Monitoring
• Work Schedule Adjustment

Cold Exposure Protection

1. Cold Stress Conditions

• Hypothermia
• Frostbite
• Trench Foot
• Cold Water Immersion

2. Risk Factors

• Low Temperatures
• Wind Chill
• Wet Conditions
• Inadequate Clothing
• Physical Exhaustion
• Poor Physical Condition

3. Prevention Methods

• Proper Layering of Clothing
• Wind Protection
• Keep Dry (change wet clothing)
• Warm Break Areas
• Hot Beverages
• Limited Exposure Time

Monitoring and Response

1. Recognition

   • Know the warning signs
   • Monitor yourself and coworkers
   • Use weather forecasts and heat index
   • Track wind chill factors

2. Response

   • First aid supplies ready
   • Emergency procedures in place
   • Communication systems working
   • Quick access to shelter

3. Documentation

   • Record incidents
   • Track conditions
   • Update procedures
   • Review effectiveness

Discussion Points

1. What temperature-related challenges do you face in your work?
2. How do you currently manage extreme temperatures?
3. Share experiences with effective prevention methods.

Action Steps

• Review weather forecasts before work
• Inspect temperature monitoring equipment
• Check first aid supplies
• Update emergency contact information
• Practice emergency response procedures