In order to prevent heat stroke when working in hot weather or environments, the Labour Department introduced Guidance Notes on Prevention of Heat Stroke at Work and 3 different categories Heat Stress at Work Warning was introduced on 15 May 2023.
Guidance Notes on Prevention of Heat Stroke at Work formulated the risk factors that should be considered when conducting heat stress risk assessments, and the recommended control measures for addressing various risk factors. This helps employers to schedule appropriate work-rest periods for workers of different physical workloads under various workplace heat stress.
Heat Stress at Work Warning was established in code amber, red, and black, representing the level of heat stress being high, very high or extremely high respectively.
When different levels of Heat Stress at Work Warning are in force, the Hong Kong Observatory will display relevant information on their official website and the "My Observatory" mobile application. The public can also receive details of the Heat Stress at Work Warning by allowing push notifications from "My Observatory" mobile application.
In addition, the Labour Department will issue prompt message to the public regarding the coming into effect of Heat Stress at Work Warning through press releases and the "GovHK Notifications" mobile application. Various electronic media will also disseminate relevant information.
The detailed guidelines can be referred to following website:
https://www.labour.gov.hk/eng/news/prevention_of_heat_stroke_at_work.htm
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