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Keywords: Building
Project and Facilities Management
Kua Harn Wei
2011/2012 PFM
Barriers to recycling C&D waste
Construction and demolition waste
Renovation waste
Residential renovation industry
Issue Date: 5-Jan-2012
Abstract: The reuse and recycle of construction and demolition waste (C&D) appears a simple means of ensuring an environmentally sound system of reducing the demand for virgin sourced aggregate supplies and minimising the waste which has to be sent to the landfill. However, the proportion of waste generated by C&D sector operations that is used positively within the construction industry is quite limited.(Cooper, 1996) With land scarce Singapore, landfill space is limited. Managing waste on site minimise the construction waste or demolition debris (C&D) that leaves that jobsite for landfill disposal. (EPA, 2003) Thus, making it imperative to recycle and reuse C&D waste. With better economic growth and rising affluence, there is an urgent need to slow down the pace at which landfills are being used up. More buildings are being upgraded to cater to rapid expansion and growth. The Building Construction Authority (BCA) of Singapore focused alot on recycling C&D waste, especially that from demolition and construction of new buildings. There is little emphasis placed on research with regards to sustainability on renovation works and how it can be improved. C&D waste has the highest recycling rate in Singapore. However, no figures were published on the rate of recycling for renovation waste. According to a study conducted by Environmental Protection Agency (EPA) renovation waste accounts for 44% of the total C&D waste stream which is comparable to that of demolition waste at 48% (EPA, 1996). In the residential sector the renovation activity accounts for 55% of the total residential waste stream. It is evidently a major contributor to the total waste stream. Literature reviews were conducted to determine the types of C&D debris, the obstacles to diverting renovation waste, the different waste management strategies, techniques and waste minimisation practices on site, treatment of C&D waste in Singapore and the methods of recycling C&D waste This dissertation aims to determine the extent to which the residential renovation industry in Singapore reuse or recycle waste ,the barriers to recycling these waste materials and means the different stakeholders can deploy to promote active recycling. The focus of this report will be on building related waste, namely renovation for residential buildings. The aim will be facilitated by finding out the composition and quantities of renovation waste produced, the recycling rates of the waste, the percentage of respondents reusing the renovation waste or with knowledge of any recovery centres in Singapore and the percentage of renovation debris at recycling plants.Site visits and interviews were conducted .The respondents interviewed include the contractors, project managers, engineers of recycling plants and C&D waste haulers. Face to face interviews and survey questionnaires were used to gather data. This dissertation is categorised primarily into minor and major projects. It will also highlight mechanisms the different stakeholders can contribute to better instil positive recycling culture amongst the contractors and to minimise or control waste at jobsite.
Appears in Collections:Bachelor's Theses

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