SAFETY TIP
Heat Stress
In temperatures above the thermal comfort zone, often with the added perils of humidity, slow wind speed and a lack of shade, many outdoor workers find it difficult to escape the heat.

Take measures to protect workers from heat stress by avoiding heavy exertion tasks, extreme heat, sun exposure, and high humidity when possible.

Provide Plenty of Water
Workers should drink water continuously throughout the day.

Allow Frequent Breaks
Allow workers to rest and cool off in a cool area such as shade or air-conditioned buildings or vehicles.

Set Up Shade Structures
If possible, it is a good idea to erect temporary shelters or move some tasks indoors or in the shade. At the very least, workers should take advantage of rest breaks to get out of the sun.

Plan Your Work
Schedule lighter tasks between 11 am and 4 pm, saving more strenuous work for the cooler hours of the day.

Wear Proper Clothing
Have workers wear loose, light, breathable clothing, UV-rated sunglasses, and a wide-brim hat.

Provide Plenty of Water
Workers should drink water continuously throughout the day.

Note that protective equipment may increase heat retention!
Work requiring this equipment should be scheduled at cooler times or allow for more frequent breaks.
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