Heat Exhaustion and Heat Stroke Response
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Heat Exhaustion and Heat Stroke Response
Working outdoors on construction sites during hot weather puts operatives at risk of heat-related illness. Heat exhaustion can develop quickly and, if untreated, progress to heat stroke which is a life-threatening medical emergency. This talk explains how to recognise the symptoms, what actions to take, and the preventive measures that keep the workforce safe in warm conditions.
- Provide free access to cool drinking water at all times and encourage regular hydration.
- Schedule physically demanding tasks for cooler parts of the day such as early morning.
- Provide shaded rest areas where workers can cool down during breaks.
- Monitor workers for early symptoms of heat illness including headache, dizziness, and nausea.
- Allow additional rest breaks during periods of high temperature and humidity.
- Ensure supervisors are trained to recognise and respond to heat exhaustion and heat stroke.
- Use cooling towels or neck wraps where provided and remove unnecessary layers of PPE when safe.
- Rotate workers on physically demanding tasks to reduce individual heat exposure time.
- Brief the workforce each morning when hot weather is forecast so everyone understands the risks.
If a worker shows signs of heat stroke — hot dry skin, confusion, or collapse — call 999 immediately. Move them to a cool area, remove outer clothing, and cool them with wet cloths while awaiting the ambulance.
- Drink water regularly throughout the day and do not wait until you feel thirsty
- Heat exhaustion symptoms include headache, nausea, dizziness, and heavy sweating
- Heat stroke is a medical emergency requiring an immediate 999 call without delay
- Schedule heavy physical work for the coolest part of the day whenever possible
- Supervisors must monitor the workforce closely during hot weather conditions on site
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