Saheed O. Ajayi
Critical design factors for minimising waste in construction projects: A structural equation modelling approach
Ajayi, Saheed O.; Oyedele, Lukumon O.
Abstract
© 2018 Notwithstanding that efforts made at the design stage of building construction projects have significant impacts on project outcome, most waste management efforts are usually focused on construction stage. This is albeit the understanding that construction waste could be significantly reduced through design activities. This study investigates the underlying design measures that are capable of minimising waste generated by construction and demolition activities. Using exploratory sequential mixed method research, the study employs focus group discussions and thematic analysis at the exploratory phase, while questionnaire and structural equation modelling were used at the explanatory stage of the study. The study suggests that construction waste could be significantly reduced by designing for standard materials size and by designing for modern method of construction, thereby minimising waste due to breakage, materials leftover and other major causes of waste. The study further suggests that the design process and design documentation are key underlying measures for mitigating waste in construction projects. This could be enhanced through such critical success factors as a collaborative delivery process, which is characterised by early involvement of contractors and adequate coordination of design between various disciplines involved. Findings of this study would assist designers and other construction stakeholders in understanding the significant measures for designing out waste in construction projects.
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 5, 2018 |
Online Publication Date | Jun 30, 2018 |
Publication Date | Oct 1, 2018 |
Deposit Date | Sep 24, 2018 |
Publicly Available Date | Jun 30, 2019 |
Journal | Resources, Conservation and Recycling |
Print ISSN | 0921-3449 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 137 |
Pages | 302-313 |
DOI | https://doi.org/10.1016/j.resconrec.2018.06.005 |
Keywords | dimensional coordination, modern method of construction, design out waste, structural equation modelling, design document, collaborative design |
Public URL | https://uwe-repository.worktribe.com/output/859624 |
Publisher URL | http://dx.doi.org/10.1016/j.resconrec.2018.06.005 |
Contract Date | Sep 24, 2018 |
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