Developing a marketplace for construction and demolition waste based on a systematic quantitative literature review

Savindi Caldera; Tim Ryley; Nikita Zatyko

The global construction industry has rapidly grown over the last two decades due to the increase in population and associated infrastructure developments. These factors have caused a rise in Construction and Demolition (C&D) waste, prompting government and industry bodies to develop better waste management strategies. C&D waste typically consists of materials such as bricks, concrete, metal, timber, plasterboard, asphalt, rock and soil. Generally, most C&D waste is sent to landfill sites while the rest is recycled, reused or stockpiled. Within this context waste trading has emerged as a targeted intervention to divert waste from landfill sites and create a second life for waste material. However, it is still unclear how to create a secondary market for C&D waste material that is readily available and easily accessible to industrial practitioners. This study aims to examine key barriers and enablers influencing the creation of a marketplace for waste trading specifically focusing on global precedents from the construction and demolition waste industry. The authors have undertaken a Systematic Literature Review (SLR) to reflect on global efforts for creating such a marketplace for C&D waste, and to identify industry sectors with the greatest potential for uptake. The SLR was conducted in five phases including: 1) define the research question; 2) select sources and locate studies; 3) select articles and evaluate; 4) analysis and synthesis of results; 5) interpret and report the results. The C-I-M-O (context-intervention-mechanism-outcome) framework was used to identify the inclusion and exclusion criteria for the study. Three key electronic databases (Science Direct, Web of Science and ProQuest Central) were searched to gather literature on construction and demolition waste, and market feasibility. Relevant articles published over the last two decades were selected and systematically analyzed to present emerging themes. The authors present the three key barrier types supported by 15 sub-barriers and three key enabler types. This is supported by 15 sub-enablers for developing a marketplace for C&D waste. Based on these findings, the authors present a novel framework of enablers and barriers that would guide practitioners, government policymakers in creating waste trading platforms. Our findings are useful for industry practitioners, government policymakers addressing circular economy opportunities and governance leaders in bridging the gap between ideas and action for scaling up C&D waste management practices. KEYWORDS Construction and demolition waste, marketplace, waste management 0308-1 2

Developing a marketplace for construction and demolition waste based on a systematic quantitative literature review

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