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[B-14.2.2 Technology Assessment for Eco-Community Planning]

[Contact Person]

Yuichiro Kodama
Director, Dept. of Environment, Design and Fire
Building Research Institute
Ministry of Construction
Tatehara 1, Tsukuba, Ibaraki, 305 Japan
Phone+81-298-64-6750, Fax+81-298-64-2989

[Total Budget for FY1994-1996]

11,191,000 Yen (FY1996 3,729,000 Yen)

[Abstract]

　For the reduction of environment impact caused by domestic buildings, the technological innovations are required in planning housing communities for the coming sustainable society. These Eco-energy technologies, however, depend on the natural- and social conditions of each specific communities, such as location, size, climate, lifestyle and so on.
　In this research, applicabilities of the innovative eco-energy technologies are discussed and the effect of introduction of them are evaluated. The research consist of;
1) Survey and categorizing of innovative eco-energy technologies.
2) Studies on necessary social conditions for eco-communities.
3) Simulation of the energy consumption and the urban climate change through the case studies.
　Case studies were carried out in redeveloping old high-dense communties in Tokyo. A redeveloping district plan and architectural plans were proposed and innovative eco-energy technologies in several scales were introduced. Finally, the energy consumption in this area were simulated and the effects of reducing environmental impacts were discussed.The simulation showed that 42% of energy saving and 43% reduction of CO₂ emission were achieved. Also, simulations of the improvement effect on the micro-urban climate were carried out. The "cool down effects" in the summer time were shown after the redevelopment.

[Key Words]

Sustainability, Community, Housing, Environment Impact, Energy Conservation, Environment-Conscious Design