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Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)
Vol. 67 (2011) No. 6 P II_327-II_338



 Heat mitigation projects, such as green roof, waterfront, mist spraying and water-retentive pavement, are mainly intended to decrease outdoor temperature, while some of them have multiple utilities including increase of species, mitigation of flood, improvement of spatial design and environmental enlightenment in addition to decrease in outdoor temperature. This paper proposes and demonstrates a decision support method for alternative design based on prioritization and preference evaluation for multiple utilities of heat mitigation projects. First, applying analytic hierarchy process (AHP), the priority order of project implementation was decided based on subjective evaluation of multi-stakeholders such as benefit recipients, experts and project implementers on multiple utilities of the projects. Then, the preference structure of office workers as benefit recipients of projects was identified using conjoint analysis, each utility was evaluated in monetary value, and discussed which aspects should be emphasized on detailed project planning.

Copyright © 2011 Japan Society of Civil Engineers

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