|Author:||Yan, Wai-yee Becky|
|Title:||Analysis and comparison of C&D materials generated from different residential building construction technologies in Hong Kong|
|Subject:||Hong Kong Polytechnic University -- Dissertations.|
Construction industry -- Waste disposal -- China -- Hong Kong.
Construction and demolition debris -- China -- Hong Kong.
|Department:||Department of Civil and Structural Engineering|
|Pages:||1 v. (various pagings) : ill. (some col.) ; 30 cm.|
|Abstract:||Construction and demolition (C&D) materials comprise two components: inert C&D materials (public fill) and C&D waste. The generation of C&D materials is mainly from building construction, demolition and renovation activities. Building construction activities are also divided into two categories: residential construction and non-residential construction. The disposal of C&D materials is a major concern in Hong Kong due to insufficient space in landfills and public filling areas. Although the development of new landfills and public dumps is one solution to the problem, it is known that these will have adverse effects to our natural environment, such as air, water and landscape, etc. Furthermore, contractors are encouraged to separate/sort C&D materials onsite. However, contractors generally consider such this idea is not feasible on most sites due to limitations of space and extra cost required. In the Study, three case studies are carried out: -Case 1 - Hillgrove at Siu Lam -Case 2 - Private Sector Participation Scheme (PSPS) Project at Kwai Chung Residential Development; and -Case 3 - The Orchards - Taikoo Valley Site V Residential Development Comparing the amount of C&D waste generated from the three building construction sites in Section 4, the most C&D waste generated (ton/m2 GFA) was from the Hillgrove site in Tuen Mun whilst the least C&D waste generated (ton/m2 GFA) was from the Taikoo Valley Site V Residential Development. It is not surprising that, when comparing the building technologies adopted in these three projects, most of building construction technologies used in Taikoo Valley Site V Residential Development were the most environmentally-friendly. The results show that the amount of C&D waste generated is directly related to the level of environmentally-friendly building construction technologies selected.|
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