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KMID : 1039220230330020230
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Journal of Korean Society of Occupational and Environmental Hygiene
2023 Volume.33 No. 2 p.230 ~ p.246
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Prioritizing for Selection of New High-heat Risk Industries and Thermal Risk Assessment
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Shin Sae-Mi
Lee Hea-Min
Ki No-Sung
Park Jeong-Min
Byeon Sang-Hoon
Kim Sung-Ho
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Abstract
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Objectives: The climate crisis has arrived and heat-related illnesses are increasing. It is necessary to discover new high-heat risk industries and understand the environment . It is also necessary to prioritize risks of industries that have not been included in the management target to date. The study was intended to monitor and evaluate the thermal risk of high-priority workplaces.
Methods: A prioritization method was developed based on five factors: occurrence of and death due to heat-related illnesses, work environment monitoring, indoor work rate, small heat source, and limited heat dissipation. it, was applied to industrial accidents caused by heat-related illnesses. Wet bulb temperature index and apparent temperature were measured in July and August at 24 workplaces in seven industries and assessed for thermal risk.
Results: The wet bulb temperature index was in the range of 23.8~31.9℃, and exposure limits were exceeded in the growing of crops, food services activities and accommodation, and building construction. The apparent temperature was in the range of 26.8~36.7℃, and exceeded the temperature standard for issuing heatwave warnings in growing of crops, food services activities and accommodation, warehousing, welding, and building construction. Both temperature index in growing of crops and building construction were higher than the outside air temperature.
Conclusions: In the workplace, risks in industries that have not be controlled and recognized through existing systems was identified. it is necessary to provide break times according to the work-rest time ratio required during dangerous time period.
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KEYWORD
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apparent temperature, indoor, prioritization, wet bulb globe temperature
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