Table of Contents
Heat Stress
What Is Heat Stress?
Heat stress is usually a concern in the tropics.
How We Cope With Heat
If the air is moving (for example, from fans) and it is cooler than your body, it is easier for your body to pass heat to the environment.
Controlling Heat Stress
Acclimatization
If you are experienced on the job, limit your time in the hot environment to 50% of the shift on the first day and 80% on the second day.
If you have health problems or are not in good physical condition, you may need longer periods of acclimatization.
Heat Stress Hazards
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Modifying Work and the Environment
Engineering Controls
Increase air movement if temperature is less than 35°C (fans).
Administrative Controls
Workers should salt their food well, particularly while they are acclimatizing to a hot job (workers with a low salt diet should discuss this with their doctor).
Train workers to recognize the signs and symptoms of heat stress and start a 'buddy system' since people are not likely to notice their own symptoms.
Personal Protective Equipment
Threshold Limit Values for Heat Stress published by the American Conference of Governmental Industrial Hygienists used as reference.
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Thank You!
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Author: Dr Lim Jac Fang
Email: dr_ljf@yahoo.com
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