Abstract

Rapid growth in the construction industry has increased construction waste generation and caused serious impact on the environment. In Malaysia, most contractors are using the conventional method as the main method in the construction process. However, using conventional methods for construction work is not environmentally friendly because of the poor quality control at the construction site and the uncontrolled waste production. This has contributed to pollution problems in the environment in the form of air and water pollution, and construction waste. The aim of this study was to identify the type of construction waste and causes of waste generation from conventional methods with IBS. In addition, this study also suggests measures to minimize construction waste generation at the construction site. This study used quantitative methods of questionnaires as an instrument. A total of 200 questionnaires were distributed to the G7 contractors and developers in Johor to get feedback. The data obtained were analyzed using statistical methods and indices mean. From the results, it was found that most types of solid waste high in conventional construction are wood (3.85) but with the use of IBS, wood waste generation can be reduced (3.15). For the source of waste generation, it shows that the handling process is the main cause with the mean score (3.47) in IBS and the mean score (3.75) during construction is carried out for conventional methods. Therefore, IBS technology is the considered best option in order to minimize waste generation at the construction site.

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