Defect occurrence and management in prefabricated commercial construction in Australia

Stutchbury Parrotte, Callum, Li, Hong Xian and Tivendale, Linda 2020, Defect occurrence and management in prefabricated commercial construction in Australia, in Proceedings of the 2020 Construction Research Congress, American Society of Civil Engineers (ASCE), Reston, Va., pp. 871-880, doi: 10.1061/9780784482889.092.

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Title Defect occurrence and management in prefabricated commercial construction in Australia
Author(s) Stutchbury Parrotte, Callum
Li, Hong XianORCID iD for Li, Hong Xian
Tivendale, LindaORCID iD for Tivendale, Linda
Conference name Construction Research. Congress (2020 : Tempe, Arizona)
Conference location Tempe, Arizona
Conference dates 08 - 10 Mar. 2020
Title of proceedings Proceedings of the 2020 Construction Research Congress
Editor(s) Tang, Pingbo
Grau, David
El Asmar, Mounir
Publication date 2020
Start page 871
End page 880
Total pages 10
Publisher American Society of Civil Engineers (ASCE)
Place of publication Reston, Va.
Summary The uptake of prefabrication within the commercial construction sector has significantly increased over previous decades, given the proven benefits including provisions for lower construction costs, reduced project durations, and materials wastage, fewer defects, and improved profitability. However, it is found that defects caused by prefabrication cost significantly more to resolve compared with conventional construction, resulting in substantial impacts on project performance. Furthermore, defect management systems specific to prefabricated construction are found absent, especially within the commercial sector in Australia. This research studies the defect occurrence, identifies the causes of these defects, and proposes defect management for building prefabrication. A mixed research method of combined qualitative and quantitative approaches, i.e., literature review and an online survey, is employed in this research, based on which a depiction outlining common defects and stages of occurrence is presented, and a defect management process is proposed at an empirical level. It is found that most defects occur in manufacturing plant, and aesthetic defect is the most common type. The results also show that most defects can be linked to workmanship issues during fabrication. Subsequently, the management process of engaging an independent consultant employed by the government to undertake specialised inspections during design, manufacture, and installation has been proposed as an effective solution to reduce defect occurrence into the future, for which specific legislation for prefabrication is required.
ISBN 978-0-7844-8286-5
Language eng
DOI 10.1061/9780784482889.092
Indigenous content off
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2020, ASCE
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