Rest breaks
Regular rest breaks should be taken about every hour in a cooler (air conditioned where practicable) or shaded area to help your body cool off.
In hot and humid work environments with temperatures in the 300s, whether indoors or outdoors, regular rest breaks should be taken about every hour in a cooler (air conditioned where practicable) or shaded area to help your body cool off – especially when you’re doing hard, physical work. Make sure to drink some cool (not cold) water while on your break and, if necessary, ingest crushed ice and/or apply ice towels.
The frequency and length of the break should be increased if the conditions become hotter and/or more humid - particularly when the work is very physical. The frequency and length of the breaks should be increased if the conditions become hotter and/more humid - up to 30 minutes break every hour, in a cooler area, to help the body cool off.