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Non-Freezing Cold Injury (NFCI)
TECH
Cleaning exteriors through a British winter takes a real physical toll on the people doing it — prolonged cold, wet work can cause genuine injury to hands and limbs. Non-Freezing Cold Injury is the recognised medical condition behind that risk. We name it because protecting our operatives' health is a managed part of how we run, not an afterthought.
Non-Freezing Cold Injury (NFCI) is the established occupational-medicine condition caused by prolonged exposure of tissue to cold, wet conditions above freezing (the classic 'trench foot' mechanism). In the ATH framework it is applied to the operative — the 'Wet Worker' — to quantify the biomechanical and physiological strain of pure-water exterior cleaning in British winters, informing safe-working limits, rotation and PPE within the operational protocols. It frames operative welfare as a measurable, managed variable rather than an afterthought.
biomechanical strain, Wet Worker
Non-Freezing Cold Injury (NFCI) is the established occupational-medicine condition caused by prolonged exposure of tissue to cold, wet conditions above freezing (the classic 'trench foot' mechanism). In the ATH framework it is applied to the operative — the 'Wet Worker' — to quantify the biomechanical and physiological strain of pure-water exterior cleaning in British winters, informing safe-working limits, rotation and PPE within the operational protocols. It frames operative welfare as a measurable, managed variable rather than an afterthought.
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