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TIPS TO PROTECT WORKERS IN HOT SUMMER
WEATHER
Working in hot environments can be dangerous. In many industries, such
as laundries, foundries, bakeries and construction projects, workers face
conditions that make them especially vulnerable to safety and health hazards.
Higher summer temperatures increase those risks.
The combination of heat, humidity and physical labor can lead to fatalities.
In 1999, 34 workers died and 2,420 others experienced heat-related occupational
injuries and illnesses serious enough to miss work.
Simple precautions can prevent many heat-related deaths and injuries:
How to Protect Workers
- Encourage workers to drink plenty of water - about 1 cup of cool water
every 15 to 20 minutes, even if they are not thirsty - and to avoid
alcohol, coffee, tea, and caffeinated soft drinks that dehydrate the
body.
- Help workers adjust to the heat by assigning a lighter workload and
longer rest periods for the first 5 to 7 days of intense heat. This
process needs to start all over again when a worker returns from vacation
or absence from the job.
- Encourage workers to wear lightweight, light-colored, loose-fitting
clothing. Workers should change their clothes if they get completely
saturated.
- Use general ventilation and spot cooling at points of high heat production.
Good airflow increases evaporation and cooling of the skin.
- Train first-aid workers to recognize and treat the signs of heat stress
and be sure all workers know who has been trained to provide aid. Also
train supervisors to detect early signs of heat-related illness and
permit workers to interrupt their work if they become extremely uncomfortable.
- Consider a worker's physical condition when determining fitness to
work in hot environments. Obesity, lack of conditioning, pregnancy,
and inadequate rest can increase susceptibility to heat stress.
- Alternate work and rest periods, with rest periods in a cooler area.
Shorter, more frequent work-rest cycles are best. Schedule heavy work
for cooler times of the day and use appropriate protective clothing.
- Monitor temperatures, humidity, and workers' responses to heat at
least hourly.
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