Analysis of interrelationships between critical waste factors in office building retrofit projects using interpretive structural modelling

Li, Mei & Yang, Jay (2014) Analysis of interrelationships between critical waste factors in office building retrofit projects using interpretive structural modelling. International Journal of Construction Management, 14(1), pp. 20-36.

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The number of office building retrofit projects is increasing. These projects are characterised by processes which have a close relationship with waste generation and therefore demand a high level of waste management. In a preliminary study reported separately, we identified seven critical factors of on-site waste generation in office building retrofit projects. Through semi-structured interviews and Interpretive Structural Modelling, this research further investigated the interrelationships among these critical waste factors, to identify each factor’s level of influence on waste generation and propose effective solutions for waste minimization. “Organizational commitment” was identified as the fundamental issue for waste generation in the ISM system. Factors related to plan, design and construction processes were found to be located in the middle levels of the ISM model but still had significant impacts on the system as a whole. Based on the interview findings and ISM analysis results, some practical solutions were proposed for waste minimization in building retrofit projects: (1) reusable and adaptable fit-out design; (2) a system for as-built drawings and building information; (3) integrated planning for retrofitting work process and waste management; and (4) waste benchmarking development for retrofit projects. This research will provide a better understanding of waste issues associated with building retrofit projects and facilitate enhanced waste minimization.

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ID Code: 67566
Item Type: Journal Article
Refereed: Yes
Keywords: Interrelationship, waste factors, waste management, office building retrofit, ISM
DOI: 10.1080/15623599.2013.875270
ISSN: 1562-3599
Subjects: Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > BUILDING (120200) > Building Construction Management and Project Planning (120201)
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 Taylor & Francis
Copyright Statement: This is an Accepted Manuscript of an article published by Taylor & Francis Group in International Journal of Construction Management on 19 February 2014, available online at:
Deposited On: 20 Feb 2014 23:15
Last Modified: 05 Sep 2015 20:07

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