1. FHM TRAINING TOOLS This training presentation is part of FHM’s commitment to creating and keeping safe workplaces. Be sure to check out all the training programs that are specific to your industry.

2. These materials have been developed based on applicable federal laws and regulations in place at the time the materials were created. The program is being provided for educational and informational purposes only and does not constitute and is not intended to provide OSHA compliance certification, regulatory compliance, a substitute for any "hands on“ training required by applicable laws and regulations, or other legal or professional advice or services. By accessing the materials, you assume all responsibility and risk arising from the use of the content contained therein. ©2010 Grainger Safety Services, Inc. ►►► Heat Stress Management

3. Learning Objectives Objectives: ► Understand the dangers of heat stress ► Recognize symptoms of stages of heat stress ► Understand strategies to prevent heat stress

4. Agenda Agenda: ► Overview ► Stages of heat stress ► Controlling heat stress ► Your responsibilities

5. Overview Section 1

6. Overview Four factors are critical: ► Work area temperature ► Relative humidity ► Radiant heat ► Air velocity

7. Overview Important personal characteristics: ► Age ► Weight ► Fitness ► Medical condition ► Acclimatization

8. Stages of Heat Stress Section 2

9. Stages of Heat Stress – Heat Stroke Heat stroke: ► Hot, dry, red spotted skin ► Body temperature 105°+ F ► Confusion or delirious ► Convulsions or unconscious

10. Stages of Heat Stress – Heat Exhaustion Heat exhaustion: ► Loss of large amounts of fluid ► Extreme weakness, fatigue, giddiness, nausea, or headache ► May vomit or lose consciousness ► Clammy, moist, skin, pale complexion ► Body temperature normal to slightly elevated

11. Stages of Heat Stress – Heat Cramps Heat cramps: ► Tired muscles in: –Arms –Legs –Abdomen

12. Stages of Heat Stress – Fainting Fainting: ► Unaccustomed to heat ► Blood pooling ► Prevent by staying mobile

13. Stages of Heat Stress – Heat Rash Heat rash (prickly heat): ► Occurs when sweat not easily removed from skin ► Sweat ducts become plugged ► Skin rash appears ► Prevent by resting in a cool place

14. Stages of Heat Stress Transient heat fatigue: ► Strain from prolonged heat exposure ► People unaccustomed to heat ► Decline in task performance, coordination, alertness, and vigilance

15. Controlling Heat Stress Section 3

16. Controlling Heat Administrative controls: ► Number and duration of exposures ► Re-schedule work for cooler periods of the day ► Use only acclimatized workers ► Provide extra workers ► Drink water

17. Controlling Heat Engineering controls: ► Ventilation and spot cooling ► Shielding radiant heat sources ► Evaporative cooling ► Mechanical refrigeration ► Cooling fans ► Eliminating steam leaks ► Equipment modifications

18. Personal Protective Equipment Personal protective equipment: ► Reflective clothing ► Auxiliary body cooling: –Ice vests –Wetted clothing –Water-cooled garments –Circulating air

19. Your Responsibilities Section 4

20. Your Responsibilities Understand the dangers of heat stress: ► Recognize symptoms of the various stages ► Be familiar with measures to avoid heat stress ► Follow precautions to prevent heat stress ► Know what to do in an emergency

21. Additional Information Sources of additional information: Working Outdoors in Warm Climates. OSHA Fact Sheet, (2005, September) Protecting Yourself in the Sun. OSHA Publication 3154, (2003) Working in Hot Environments. Department of Health and Human Services (DHHS), National Institute for Occupational Safety and Health (NIOSH) Publication No. 86-112, (1992)