Mapping approach for examining waste management on construction sites
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The increasing awareness of environmental impacts from construction wastes has led to the development of waste management as an important function of construction project management. Various approaches for managing construction wastes have been developed in the existing research works and practices, and these works can be grouped largely into three areas: waste classification, waste management strategies (avoiding waste, reducing waste, reusing waste and recycling waste), and waste disposal technologies. Nevertheless, these approaches give less attention to the management of waste handling process on construction sites. In fact, construction wastes pass through a number of processes from generation to final disposal, and proper flow of these processes can improve waste management effectiveness. This paper examines waste handling process during construction through mapping six cases selected in Hong Kong construction, with assistance of free-flow mapping presentation technique. The examination leads to developing a waste management mapping-model (WMMM), which incorporates the good operations embodied in the existing practices. WMMM provides an alterative tool assisting in planning waste management procedures on construction sites. It can serve as a vehicle for comparing the waste management practices between construction sites, thus both good practices and weak areas can be identified.
Journal of Construction Engineering and Management
© 2004 American Society of Civil Engineers (ASCE). This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.