https://doi.org/10.24928/2023/0165

The Impact of an Offsite Production Approach on Mechanical and Electrical Projects: Evidence From the Uk

Tonisha Carys O’Gorman¹, Emmanuel Itodo Daniel² & Ezekiel Chinyio³

¹BSc Graduate, School of Arch. and Built Envir., Faculty of Sci. and Engrg., Univ. of Wolverhampton, Wolverhampton, UK, [email protected] orcid.org/0000-0002-7176-9234
²Sr. Lecturer in Constr. Mgmt., School of Arch. and Built Envir., Faculty of Sci. and Engrg., Univ. of Wolverhampton, Wolverhampton, UK, [email protected], orcid.org/0000-0002-5675-1845
³Reader in Constr. Mgmt., School of Arch. and Built Envir., Faculty of Sci. and Engrg., Univ. of Wolverhampton, Wolverhampton, UK, [email protected], orcid.org/0000-0001-8448-5671

Abstract

Previous studies have reviewed the impact of offsite production on the delivery of construction projects, however, there have been limited studies examining the specific impact of offsite on mechanical and electrical installations (M&E). Therefore, the aim of this study was to determine the impact of offsite production in the delivery of mechanical and electrical installations for construction projects. In this study, a mixed method was adopted, using quantitative data obtained through a questionnaire survey and qualitative data through case study interviews. In total, primary data was collected from 36 questionnaire responses, and 3 case studies that involved 12 in-depth interviews. This study shows that offsite production has a positive impact on construction project performance indicators for M&E installations regarding factors such as time, quality, health and safety, sustainability, logistics, and collaboration. However, the study showed no general conclusion as to the cost saving impact of offsite construction on the outcomes of projects. Nevertheless, the study established that the offsite approach offers the client more confidence relating to cost certainty. Recommendations from this study are that offsite production should be selected based on its impact on project performance indicators rather than cost alone. The study argued that the offsite production method should be explored as much as possible when maximal benefits are sought; however, it should not be utilised simply for the sake of it but on a case-by-case basis.

Keywords

Offsite construction, prefabrication, assembly, modular construction, M&E installations.

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Reference

O’Gorman, T. C. , Daniel, E. I. & Chinyio, E. 2023. The Impact of an Offsite Production Approach on Mechanical and Electrical Projects: Evidence From the Uk, Proceedings of the 31st Annual Conference of the International Group for Lean Construction (IGLC31) , 767-777. doi.org/10.24928/2023/0165

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