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Heat Stress Training
- 1. Heat Stress
- 2. Hot work environments ⢠Outdoor work in hot weather ⢠Foundry work or smelting ⢠Brick-firing, ceramics or glass manufacture 1a
- 3. Hot work environments ⢠Rubber manufacture ⢠Work in bakeries, confectioneries, kitchens ⢠Laundry operations ⢠Plastic Mold Operations 1b
- 4. Personal risk factors ⢠Age, weight, physical fitness ⢠Metabolism, medications, alcohol or drugs ⢠Water and caffeine consumption ⢠Medical conditions ⢠Acclimatization 2a
- 5. Environmental risk factors ⢠⢠⢠⢠Air temperature Humidity Radiant heat Conductive heat sources ⢠Protective clothing ⢠PPE 2b
- 6. Fatigue ⢠⢠⢠⢠Blood circulates to upper layers of skin Less blood for internal organs Performance declines Coordination and alertness decline 3a
- 7. Response to fatigue ⢠Rest in cool, shaded area ⢠Take heat-relief breaks ⢠Gradually adjust to working in heat 3b
- 8. Heat rash ⢠⢠⢠⢠⢠⢠Results from the bodyâs natural cooling Body releases heat through sweat Sweat ducts become plugged Skin inflammation develops Prickly rash is uncomfortable Rash can become infected 4a
- 9. Response to heat rash ⢠⢠⢠⢠Rest in a cool area Wash the skin Allow skin to dry Seek medical attention, if infected ⢠Regularly bathe and dry skin 4b
- 10. Fainting ⢠Blood accumulates in lower part of body ⢠Brain does not get adequate blood supply ⢠Sudden loss of consciousness 5a
- 11. Response to fainting ⢠Rest in cool, shaded area ⢠Gradually adjust to working in heat ⢠Move around to circulate blood 5b
- 12. Muscle cramps Occurs in tired muscles when the worker sweats profusely and drinks large quantities of water 6a
- 13. Muscle cramps ⢠Painful contractions in the muscle ⢠Uncomfortable and temporarily disabling ⢠Low salt level can cause spasms ⢠Too much salt can cause cramps 6b
- 14. Response to muscle cramps ⢠Rest in cool, shaded area ⢠Drink about 5 to 7 ounces of fluids every 15 to 20 minutes ⢠Avoid caffeinated beverages or alcohol 6c
- 15. Response to muscle cramps ⢠Drink salted or carbohydrate replacement liquids for recovery ⢠Gradually adjust to working in heat 6d
- 16. Heat exhaustion ⢠Large amounts of fluid lost by sweating ⢠Symptoms resemble early heat stroke ⢠⢠⢠⢠Physically weak, fatigued, or faint Giddy, irritable, or mentally confused Nauseous Headache, dizziness, and/or lightheadedness 7a
- 17. Heat exhaustion ⢠⢠⢠⢠Person continues to sweat Skin is clammy and moist Body temperature remains normal Person may vomit or lose consciousness 7b
- 18. Response to heat exhaustion ⢠Rest in a cool, shaded area ⢠Drink about 5 to 7 ounces of fluids every 15 to 20 minutes ⢠Lay person down ⢠Seek medical attention, if severe 7c
- 19. Heat stroke ⢠Life-threatening condition ⢠Bodyâs temperature regulatory system fails ⢠Sweating becomes inadequate 8a
- 20. Heat stroke ⢠⢠⢠⢠Personâs skin is hot and dry Skin appears red in color o Body temperature is above 103 F Person is mentally confused or delirious ⢠Person can have convulsions or become unconscious 8b
- 21. Response to heat stroke ⢠⢠⢠⢠⢠Get immediate medical attention Remove to cool, shaded area Soak clothing with cool water Fan body vigorously Never leave unattended 8c
- 22. What can you do? ⢠Report symptoms or signs immediately ⢠Respond to heat illness ⢠Know company procedures 8d
- 23. Measuring heat exposures ⢠Heat index system ⢠Health and safety agency testing 9a
- 24. Measuring heat exposures Work classifications: ⢠⢠⢠⢠⢠⢠Light hand work Heavy hand work Heavy work with one arm Light work with two arms Moderate work with the body Heavy work with the body 9b
- 25. Controlling heat exposure Engineering controls ⢠⢠⢠⢠⢠⢠⢠Shade Ventilation Air cooling Air circulation Shielding from radiant heat sources Insulating radiant heat sources Use of power assists and tools 10a
- 26. Controlling heat exposure Personal protective equipment ⢠⢠⢠⢠Ice vests Water-cooled garments Air supply systems Wet clothing, headbands, or bandanas 10b
- 27. Controlling heat exposure Work practices ⢠⢠⢠⢠⢠⢠⢠⢠⢠Use intermittent rest periods Drink small quantities of water frequently Use relief workers Use the buddy system Pace the work Reduce physical demands Provide cool recovery or shaded rest areas Schedule work for cooler times of the day Wear light, loose-fitting, breathable clothing 10c
- 28. REVIEW If you notice a person with the following symptoms: Physically weak, fatigued, faint, giddy, irritable, mentally confused, nauseous, headache, dizziness, and/or lightheadedness. These are signs of? Heat Exhaustion
- 29. Review Cont. If a personâs skin is hot and dry skin appears red in color body temperature is above 103°F person is mentally confused or delirious person can have convulsions or become unconscious These are signs of? Heat Stroke
- 30. Review Cont. What do you do when a Coworker is ill from the heat? Call a Supervisor for help, or 911 if Supervisor is not available. Move to a cooler location. Fan and mist water on person and apply ice bags Provide cool drinking water
- 31. Review Cont. Name some Preventive Measures: â˘Ventilation â˘Air cooling â˘Air circulation â˘Ice vests â˘Water-cooled garments â˘Wet clothing, headbands, or bandanas â˘Use intermittent rest periods â˘Drink small quantities of water frequently â˘Provide cool rest areas â˘Wear light, loose-fitting, breathable clothing
- 32. Questions?