Analysis on Priority and Importance of Regeneration of Idle Land : Case Study on an Obsolete Sewage Treatment Plant

Abstract

To establish a sustainable city, unpleasant facilities such as a sewage treatment plant should be modernized. In this regard, this study aims to analyze the important factors that should be reviewed in advance when regenerating a large-scale idle land like a sewage disposal plant. Regarding the important factors, a survey was conducted after selecting four main domains and 16 sub-domains through a precedent study and the focus group interview (FGI: interview by an expert group). As a result of analysis employing the AHP technique, the main domains showed 0.315 at sustainable aspect, 0.287 at environmental aspect, 0.203 at physical aspect, and 0.194 at social aspect. In the sub-domains, the highest score was a creation of added value that should be the first considered in priority, followed by an environmental comfort and a unique concept of the place for wishing to visit again as the second and third, respectively. The results of this study can be utilized as fundamental data for important factors to be considered when regenerating the idle lands according to the modernization of sewage disposal plants nationwide in the future. Moreover, it has implications for providing a professional perspective that considers not only the regeneration place but also the conditions of the surrounding area.