Heat Stress - Saudi Aramco

PREVENTION OF HEAT EXPOSUREMinimizing heat exposure in the workplace is oneof the best ways to reduce heat stress in workers.Humans have the capability to adapt to heat stress.The acclimatization period usually takes about 5 to 7days.HEAT STRESS CONTROLSeveral control measures can be taken to prevent heatexposure in the workplace. These measures includeengineering controls, administrative control and protectiveclothing.Engineering ControlReduce physical demands of work task throughmechanical assistance.Control the heat at its source through the use ofinsulating and reflective barriers (e.g., insulatefur-nace walls).Exhaust hot air and steam produced byoperations.Reduce the temperature and humidity throughair cooling.Provide cool, shaded work areas.Provide air-conditioned rest areas.Increase air movement if temperature is less than35°C (e.g., use of fans).Administrative ControlThis includes the followings:1. Acclimatization: through graded program for 2weeks for those who are away from work formore than one week. These workers should beacclimatized before resuming work.2. Work scheduling: depending on the nature ofthe load, where rest intervals are recommended.3. Surveillance program: screening heat exposedworkers is vital before onset ofacclimatization and this can be coordinatedthrough a hospital.6