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Creating a fairytale in Hong Kong
| 题名： | Creating a fairytale in Hong Kong |
| 作者： | P. BUNSCHOTEN |
| 关键词： | Reclamation project ; Hong Kong |
| 摘要： | Yet another XL reclamation project is underway in Hong Kong: some 200 hectares of new land are being reclaimed from the sea in Penny’s Bay to facilitate the building of a new Disney Theme Park in Hong Kong. The contractor responsible for the works is the BHD – Hong Kong Construction Joint Venture. Both joint venture partners have a long and successful track record in Hong Kong. The work involves the removal of over 42 million m3 of unusable mud, 50,000 m3 of which contaminated, and the supply of some 70 million m3 of sand for the reclamation. One of the contract requirements was close to zero differential settlement after delivery. A number of techniques are applied to the newly placed sand-body to achieve this goal. The settlement process is speeded up by deep compaction, the totally treated volume is about 40 million m3 The contract also involves the building of a 2 km seawall, a 1.5 km revetment along the eastern seawall and a 2 km access road. This part of the work involves some 2 million m3 of rock. The entire project is to be completed within a period of 32 months, work started in May 2000 and the completion date is scheduled for 7 December 2002. Planning of the project is therefore all-important, as is the sequencing of the work, using such a large number of equipment simultaneously in a relatively small area. The agreed work schedule is, to say the least, quite ambitious. To be able to meet the programme, a sizable dredging fleet was turned out, including a dozen-odd trailing suction hopper dredgers, a cutter suction dredger, a water injection dredger and a handful of grab-dredgers. But what makes this project a real challenge is that it is to be executed under the strictest environmental supervision. Water and air quality are measured daily, noise levels are restricted, the well-being of local wildlife and corals in particular is closely monitored. All dredging operations, both mud-removal and sand deposits take place within a 4 km silt screen that is placed around the work site. |
| 总页数： | Proceedings of the 30th PIANC-AIPCN Congress. Sydney Australia. 22-26 Sept. 2002. pp11 |
| 报告类型： | 科技报告 |
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