HEAT STRESS What is Heat Stress? The net heat burden on the body from the combination of the body heat generated while working, environmental sources, and clothing requirements. No breeze, wind, or ventilation Radiant heat sources, like a boiler High humidity Touching hot objects Strenuous activity Hot weather Working directly in the sun instead of shade Using bulky or non-breathable PPE Increased risk from
HEAT STRESS Major Factors Contributing to Heat Stress Worker Clothing, hydration, acclimatization, health conditions Work Type of work and effort needed Environment Temperature, humidity
HEAT STRESS Heat Stress Injuries Heat Rash Heat Cramps Heat Stroke Heat Exhaustion Red raised rash Impairs sweating and decreases the effectiveness of sweating Muscle cramps, pain, or spasms in the abdomen, arms, and legs Dry, red, hot skin Pupils constricted Very high body temperature Dizziness, confusion & nausea Pulse rapid Moist clammy skin Dilated pupils Normal or subnormal temperature Dizziness confusion, & nausea
HEAT STRESS Heat Stress Index Danger Category Apparent Temperature Heat Syndrome Extreme Danger Greater than 54°C Heatstroke or sunstroke imminent Danger 41°C - 54°C Sunstroke, heat cramps, & heat exhaustion likely. Heatstroke possible with prolonged exposure & physical activity Extreme caution 32°C - 41°C Sunstroke, heat cramps, and heat exhaustion possible with prolonged exposure & physical activity Caution 27°C - 32°C Fatigue possible with prolonged exposure and physical activity
HEAT SAFETY Signs and Symptoms of Heat Exhaustion Unusual Heartbeat Vomiting Weakness Tremor Hot Red Skin Heat Safety
HEAT SAFETY Heat Safety Checklist Seek shade often Drink plenty of water Check on the elderly and those without A.C. Don’t leave children or pets in your hot car. Limit outdoor activity to mornings and evenings. Know how to spot the signs of heat-related illness.
HEAT SAFETY Avoiding Heat Stress Alcohol Consumption Sugary drinks Drink plenty of water throughout the day Apply sunscreen Wear clothes that cover the arms and legs Wear a hat Take frequent rest breaks in the shade Drink caffeine
01 03 05 07 02 04 06 08 HEAT SAFETY Stay Healthy in the Heat Beware of heat-related illness Call for emergency if you see these symptoms, high body temperature, vomiting, and pale and clammy skin. Summer clothes Wear lightweight, light-colored clothes. Help others Check on those at risk, like the sick, older adults, pregnant women, and children. Shade Bring a hat or umbrella with you when you’re out. Drink water Fill a reusable bottle with water and bring it with you. Plan your day Avoid going out during the hottest hours, and water sunscreen. Stay cool Go to an air-conditioned place, park, or pool. Hot cars can be deadly. Don’t leave children or pets in cars; call for an emergency if you see a child or pet in a car alone.