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Assembly Rooftop Structure (BA(AS) 2000/2001)

By : Wong Ka Man (Project 1), Leung

The purposes of the these exercise assigned to second year students were to investigate buildings as modular assemblies of components and materials which to be transport to a site assembled in dry construction. The students explored the issues of efficiency in structure, construction, energy and circulation.
Hong Kongís high-density living conditions often result in self-built additional construction on top of residential building. Following such culture, students were given two rooftop sites in Wanchai, one of the old districts in Hong Kong. One was on chains of middle rise residential buildings, and the other was a footbridge in about 500 meter long. Schemes invited would encompass a whole or a small segment of the roofs, with a view towards extending prototype scheme in future to the remaining length or to other roof top sites.
Tutorís comments
The focus of the design shifted from function, forms and culture, and specific building shift to industrial technology, structures for general purpose and simple elegancy of using energy and material. There was more discussion than actual design in the studio. The major issues were:
1. What could be a design concept for a lightweight structure?
2. Were the structure adaptable to different uses and different rooftop constrains.
3. Have all the connections of elements been solved.
4. Did fabrication materials, such as cladding, roofing, floors and their textures and color meet objectives of change.
5. How to reduce energy consumption and minimize environmental impact by carefully choosing materials.
6. Were passive climatic control methods applied, such shading device, lighting control, orientation, and ventilation?
7. Was building structure efficient? Could assembly elements be further reduced to minimum?
8. How were a finishing and furnishing separated from structural design?

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