A Review of Heat Stress Impact Towards Construction Workers Productivities and Health Based on Several Heat Stress Model


  • Che Mohammad Nizam Department of Occupational Safety and Health, Menara TJB, Jalan Dato’ Syed Mohd Mufti, 80534, Johor Bahru, Johor, Malaysia
  • Ahmad Rasdan Ismail Faculty of Creative Technology & Heritage, University Malaysia Kelantan, 16310 Bachok, Kelantan, Malaysia
  • Norlini Husshin Department of Mechanical Engineering, Politeknik Ibrahim Sultan, 81700, Pasir Gudang, Johor, Malaysia




Temperature, WBGT, Heat Stress Model, Heat Stress Index


Global average temperature has increase 0.2°C in the past 10 years. Furthermore, several studies have predicted that the temperature will keep increasing due to lack of effort in restricting carbon emission. Therefore, the objective of this review is to examine the impact of heat stress towards construction workers productivities and health and also assess the risk of exposure. Literature review was done through scoping method on major journal database and Google Scholar. Major heat stress models are Heat Index, Wet bulb globe temperature and Thermal Work Limit. On the other hands, there are more complex heat stress model that incorporate complex data measurement, such as Predicted Heat Strain endorsed by ISO 7933:2004. Several studies have been conducted based on these heat stress model. Findings of these studies shown that hot and humid countries, such India, China, Hong Kong, Thailand, Japan, Iran, Saudi Arabia, Egypt, United Arab Emirates, and Australia WBGT level are at least 28°C, which is beyond safe level for medium and heavy construction work. Productivities were estimated to decline up to 2% for every 1°C increase in temperature above safe WBGT level. In extremely high temperature environment, productivities can decrease in the range of 48% - 94%. Heat stress negative side effect on health include minor heat related illness such as thirst, fatigue, headache, dehydration, vertigo, nausea and muscle pain.

Author Biographies

Che Mohammad Nizam, Department of Occupational Safety and Health, Menara TJB, Jalan Dato’ Syed Mohd Mufti, 80534, Johor Bahru, Johor, Malaysia


Ahmad Rasdan Ismail, Faculty of Creative Technology & Heritage, University Malaysia Kelantan, 16310 Bachok, Kelantan, Malaysia


Norlini Husshin, Department of Mechanical Engineering, Politeknik Ibrahim Sultan, 81700, Pasir Gudang, Johor, Malaysia



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How to Cite

Che Mohammad Nizam, Ismail, A. R., & Husshin, N. . (2021). A Review of Heat Stress Impact Towards Construction Workers Productivities and Health Based on Several Heat Stress Model. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 85(1), 161–168. https://doi.org/10.37934/arfmts.85.1.161168




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