To advise faculty, staff and
students of precautions to follow when their work area reaches about 30°C
- Postpone nonessential tasks,
- Permit only those persons acclimatized to heat to perform the more
strenuous tasks, or
- Provide additional persons to perform the tasks keeping in mind that
all persons should have the physical capacity to perform the task and
that they should be accustomed to the heat.
- Know signs and symptoms of heat stress and what to do in hot weather.
Reduce the Heat
- Open windows in hot work areas
- Use fans and other methods of creating airflow such as exhaust ventilation
or air blowers
- Wear lighter loose fitting clothing
- Take breaks in a cooler area (outside in the shade or in an air conditioned
- The number and duration of rest breaks is determined by the type of
work being done. For example persons working in a warm office
would need fewer breaks than those working in a food service kitchen.
The Occupational Health Clinics
for Ontario Workers recommends using a humidex based format for determining
when work should stop or when to increase the number or duration of work
breaks. Humidex Based Heat
- Do not depend on thirst to signal when and how much to drink. Drink
plenty of water (about a cup every 20 minutes).