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Heat Stress in the Workplace

on 24 Feb 2015 3:54 AM
Blog Category: Safety Blog

Australia has a large variation in climates from the hot and steamy tropical conditions in the far North to the temperate South. Working in these conditions can sometimes be challenging due to the effects humidity and radiant heat can have on the body.

The risks of working in tropical and arid areas are generally well known and usually controlled. However in Southern areas heat stress is generally given less consideration and therefore usually not as well controlled.

Temperature variations, experienced as heat waves in the Southern regions of Australia, may present a greater risk to workers with insufficient time to acclimatise to the conditions and with less capacity of dealing with the impacts.

Climactic conditions are not the only hazard with the potential to bring about symptoms of heat stress (i.e. heat strain) in workers, heat sources in the work environment such as furnaces, boilers and ovens, can also be a significant source of thermal stress and other work factors such as the wearing of PPE, high physical workloads and reduced air movement can also have an impact.

People suffer heat strain when the body absorbs and produces more heat than it can dispel. A range of symptoms and illnesses may be experienced, depending on the degree of the heat stress, these  include:
Working in hot conditions may also result in other safety issues not related to heat illness, such as:
A myriad of controls can be implemented to prevent heat stress illness, some of which include:

The most appropriate control or combination of controls will be dependent on the particular situation and may require a thermal risk assessment to identify the main factors that require control and that can be used to develop an effective thermal stress control plan.

If you’d like some assistance in measuring and reducing heat stress in your workplace, please give us a call on 1300 856 282.

Read about our Heat Stress Workplace Management services

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