Category: Safety & quality
Prepared by Eng. Ahmed Fathy, Projects Manager ·
Definition
Heat stress is a condition where body temperature rises from working in heat and humidity, starting with exhaustion and cramps and possibly reaching heat stroke. In Saudi Arabia the Ministry of Human Resources bans work in direct sun at midday during the summer months.
Why it matters on a project
It affects safety and productivity together. A heat plan covers drinking water, shade, rest, adjusted working hours and watching new workers.
Common mistake
Scheduling concrete pours or roof work at midday in summer, and ignoring signs of exhaustion among workers.
Frequently asked questions
What are the signs of heat stress?
Heavy sweating, dizziness, headache and cramps; stopped sweating with confusion is a danger sign of heat stroke.
How should summer work be organised?
Early starts, water and shade, and keeping to the midday work ban.
Related terms
- HSE planThe document setting out how health, safety and environment are managed.
- First aidImmediate care for an injured person on site until medical help arrives.
- Toolbox talkA short pre-work briefing on the day's task hazards.
- Labour productivityThe amount of work a worker or crew completes per day.
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