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Abstract: Environmental impacts from construction waste have been increasingly becoming a major issue in urban management, particularly in the densely populated regions, such as Hong Kong. This paper presents the current practices of using low waste technologies (LWT) for design and construction in terms of their implementation level and barriers in application on site. Through two practical cases and the semi-structured interviews, the research presents discussions on of the major low waste technologies that have been adopted and the implementation extent of these LWTs in both design and construction stages. The study provides recommendations for improving the use of LWT, including the corresponding technology instruments and the government may develop and implement. The research result can help understand the current situation in applying LWT in design and construction and the findings are expected to assist the decision makers to formulate a set of design and technology toolkit for improving construction waste management. [Copyright &y& Elsevier]