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The revised measures seek to allow employers more flexibility to tailor solutions based on local conditions.
As global warming intensifies, the elevated temperatures in Singapore will heighten the risk of heat stress for workers, particularly those outdoor workers. Unlike the general workforce, outdoor workers have less control over their tasks and are therefore more susceptible to heat-related stress.
Acknowledging this, and after consultation with the industry and tripartite partners, the Ministry of Manpower (MOM) has reviewed the current heat stress management measures to now allow for more flexibility for employers to adjust and implement measured that would be based on their localised conditions.
Updated on the ministry's website on 6 September 2024 (Friday), the framework for outdoor workers mirrors the three-tier heat stress advisory for the general population, which is based on the Wet Bulb Globe Temperature (WBGT).
The WBGT is an internationally recognised measurement that reflects the main environmental factors contributing to heat stress. On top of air temperature, WBGT is also affected by humidity, wind speed, and solar radiation.
In line with that, the revised advisory is as follows:
Note: Bold items are required measures that must be implemented at the respective WBGT bands.
As highlighted by the ministry, workers who are vulnerable to heat stress include:
- Older workers above 65 years old of age
- Pregnant workers
- Overweight or obese workers
- Newly assigned to outdoor work
- Unacclimatised to working in hot environments such as new or returning from countries with cold climate
- Returning from long leave of more than one week
- Currently unwell or recovering from illness
- With personal risk factors such as chronic diseases, medication use, or history of heat injury
"MOM will conduct inspections at workplaces to ensure that required measures under the framework are implemented," the ministry added.
Although mostly indoors, it is also important for those working indoors to take care of themselves in this sweltering weather.
Find out what employers can do in the workplace to combat the effect of the rising temperatures.
In a Facebook post on the same day, Melvin Yong, NTUC Assistant Secretary-General, said that the revised framework" will provide greater clarity to both employers and workers on the appropriate measures to reduce heat stress risks when working outdoors."
"As our annual average temperature continues to trend up, the likelihood of our workers encountering heat stress will only continue to grow." Thus, he urged all employers with outdoor work activities to ensure their workers and supervisors undergo a heat stress training programme to recognise the signs and symptoms of heat-related illnesses, and the appropriate administration of first aid.
"For example, older workers with pre-existing medical conditions may be at higher risk, as their thermoregulatory system may be compromised. Certain medications may also impair a person’s ability to respond to heat stress adequately."
He added that NTUC will continue to work closely with the ministry, employers, and the Workplace Safety and Health Council on safeguard the safety, health, and wellbeing of workers.
Infographics / MOM
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