Critical factors for waste management in office building retrofit projects in Australia |
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| Institution: | 1. Faculty of Engineering, Ferdowsi University of Mashhad, 9177948974, Mashhad, IR Iran;2. Department of Water Resources, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, 2628 CN, Delft, The Netherlands;3. Faculty of Civil Engineering, University of Tabriz, 51664, Tabriz, IR Iran;4. Tufts Institute of the Environment, Tufts University, 02155, Medford, MA, USA;1. Departamento de Construcciones Arquitectónicas y su Control, Escuela Técnica Superior de Edificación, Universidad Politécnica de Madrid, Avda. Juan de Herrera 6, 28040 Madrid, Spain;2. Departamento de Construcción y Vías Rurales, Escuela Técnica Superior de Ingenieros Agrónomos, Universidad Politécnica de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain;1. Department of Real Estate and Construction, The University of Hong Kong, Pokfulam, Hong Kong;2. The University of Hong Kong Shenzhen Institute of Research and Innovation (SIRI), B402, Shenzhen Virtual University Park, Nanshan District, Shenzhen, China;1. Bristol Enterprise, Research and Innovation Centre (BERIC), University of West of the England, Bristol, United Kingdom;2. Department of Computer Science and Engineering, Faculty of Technology, Obafemi Awolowo University, Ile-Ife, Nigeria |
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| Abstract: | Office building retrofit is a sector being highlighted in Australia because of the mature office building market characterised by a large proportion of ageing properties. The increasing number of office building retrofit projects strengthens the need for waste management. Retrofit projects possess unique characteristics in comparison to traditional demolition and new builds such as partial operation of buildings, constrained site spaces and limited access to as-build information. Waste management activities in retrofit projects can be influenced by issues that are different from traditional construction and demolition projects. However, previous research on building retrofit projects has not provided an understanding of the critical issues affecting waste management.This research identifies the critical factors which influence the management of waste in office building retrofit projects through a literature study and a questionnaire survey to industry practitioners. Statistical analysis on a range of potential waste issues reveals the critical factors, as agreed upon by survey respondents in consideration of their different professional responsibilities and work natures. The factors are grouped into five dimensions, comprising industry culture, organisational support and incentive, existing building information, design, and project delivery process. The discussions of the dimensions indicate that the waste management factors of office building retrofit projects are further intensified compared to those for general demolition and construction because retrofit projects involve existing buildings which are partially operating with constrained work space and limited building information. Recommendations for improving waste management in office building retrofit projects are generalised such as waste planning, auditing and assessment in the planning and designing stage, collaboration and coordination of various stakeholders and different specialists, optimised building surveying and BIM technologies for waste analysis, and new design strategies for waste prevention. |
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| Keywords: | Waste management Building retrofit Critical factor |
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