Application of the Predicted Heat Strain Model in Development of Localized, Threshold-based Heat Stress Management Guidelines for the Construction Industry
Abstract
Existing heat stress risk management guidelines recommended by international standards are not practical for the construction industry which needs site supervision staff to make instant managerial decisions to mitigate heat risks. The ability of the predicted heat strain (PHS) model [ISO 7933 (2004). Ergonomics of the thermal environment analytical determination and interpretation of heat stress using calculation of the predicted heat strain. Geneva: International Standard Organisation] to predict maximum allowable exposure time (D lim) has now enabled development of localized, action-triggering and threshold-based guidelines for implementation by lay frontline staff on construction sites. This article presents a protocol for development of two heat stress management tools by applying the PHS model to its full potential. One of the tools is developed to facilitate managerial decisions on an optimized work-rest regimen for paced work. The other tool is developed to enable workers’ self-regulation during self-paced work.
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Core body temperature and skin temperature are better measures than other indicators of environmental heat, but they have not been used very often because of safety and logistical issues and because they require individuals to ingest or attach a temperature sensor.
“Although core body temperature and skin temperature are better measures than other indicators of environmental heat, they have not been used very often because of safety and logistical issues and because they require individuals to ingest or attach a temperature sensor [13].”
From Assessing Heat Stress and Health among Construction Workers in a Changing Climate: A Review (2018) · cites this paper as [13]
For ordinary work, self-paced work was suggested from temperatures of 31.7 °C-WBGT or higher, up to the sustainable work limit of 240 min.
“For ordinary work, self-paced work was suggested from temperatures of 31.7 °C-WBGT or higher, up to the sustainable work limit of 240 min [13].”
From Assessing Heat Stress and Health among Construction Workers in a Changing Climate: A Review (2018) · cites this paper as [13]
Based on Time-Weighted Average (TWA), recovery time for heavy workload has been summarized as follows: 28.5 °C-WBGT: 120 min of work followed by a 5-min break; 28.9 °C-WBGT: 90 min of work followed by a 10-min break; 29.7 °C-WBGT: 60 min of work followed by a 15-min break; 31.6 °C-WBGT: Self pace.
“Further, based on Time-Weighted Average (TWA), recovery time for heavy workload has been summarized by Rowlinson and Jia (2014) [13] as follows: 28.5 °C-WBGT: 120 min of work followed by a 5-min break28.9 °C-WBGT: 90 min of work followed by a 10-min break29.7 °C-WBGT: 60 min of work followed by a 15-min break31.6 °C-WBGT: Self pace”
From Assessing Heat Stress and Health among Construction Workers in a Changing Climate: A Review (2018) · cites this paper as [13]
In spite of the criticisms, the PHS model is a useful tool for heat strain estimation.
“In spite of the criticisms, the model is a useful tool for heat strain estimation (Kampmann et al. 2012; Rowlinson and Jia 2013; Kuklane et al. 2014, 2015; Lundgren et al. 2014).”
From Occupational heat stress assessment and protective strategies in the context of climate change (2018) · cites this paper as Rowlinson and Jia 2013
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References 34 · Cited by 64
- Authors
- Rowlinson, S., & Jia, Y. A.
- Affiliations
- Chongqing University (CN)
- University of Hong Kong (HK)
- Venue
- Annals Of Occupational Hygiene
- Publisher
- Oxford University Press (OUP)
- Published
- 2013-12-26
- Volume
- 58
- Issue
- 3
- Pages
- 326-339
- ISSN
- 0003-4878 (ISSN-L)
- 1475-3162
- OpenAlex
- W2163784558
- Cited by
- 64
- References
- 34
- Citations by year
- 2026: 4 · 2025: 6 · 2024: 5 · 2023: 5 · 2022: 4 · 2021: 5 · 2020: 5 · 2019: 5 · 2018: 6 · 2017: 8 · 2016: 3 · 2015: 4 · 2014: 4
- FWCI
- 2.55
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The Annals of Occupational Hygiene (publishedVersion)
- PubMed (publishedVersion)
- eSpace (Curtin University) (submittedVersion)
- The HKU Scholars Hub (University of Hong Kong) (submittedVersion)
- HighWire Press Open Archive (submittedVersion)
- Funders
- University of Cambridge
- Curtin University of Technology
- Topics
- Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
- Health Sciences › Health Professions › Occupational Therapy › Occupational Health and Safety in Workplaces
- Health Sciences › Health Professions › Occupational Therapy › Occupational Health and Safety Management
- Keywords
- heat stress, construction workers, self-regulation, site supervision, ISO 7933, occupational heat exposure
- MeSH terms
- Adolescent, Adult, Environmental Monitoring, Female, Hot Temperature, Hong Kong, Humans, Male, Maximum Allowable Concentration, Middle Aged, Monitoring, Physiologic, Occupational Exposure, Workplace, Guidelines as Topic, Heat Stress Disorders, Young Adult, Construction Industry
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