General
Modify work/rest schedules according to temperature and work load.
Rotate personnel; alternate job functions to minimize over-stress or overexertion at one task.
Add additional personnel to work teams.
Hydration ( Plenty of fluids.)
Ventilation, air cooling, fans, shielding, and insulation are the five major types of engineering controls used to reduce heat stress in hot work environments.
Reduce the physical demands of work such as excessive lifting or digging with heavy objects.
Limit worker occupancy, or numbers of workers present, especially in confined or enclosed spaces.