A Study on the Urban Renewal Projects by Area Management ---Focusing On Open Space by Plaza ＆ Bonus System

1. 通过对现有资料的分析和日本、瑞士、德国和英国的案例调查，发现网络、愿景、公民参与过程、关心环境是城市更新项目区域管理的重要因素。土地利用，设计指南，开放空间质量，区域特征，区域文脉。为了进行这一分析，在以下地点对工业基地的城市更新项目的区域管理进行了比较：东五田和丰洲（东京），MM21, Port-Side，以及Bank-Art项目（横滨），Soga（千叶），Central Zone（川口），以及苏黎世西部，苏黎世北部（苏黎世），SulzerAreal, SulzerPark (Winterthur), SIG (Neuhausen), Dreispitz Areal（巴塞尔）。本文以萨贺市为研究对象，对萨贺市的城镇管理机构进行了个案调查，以发现城镇中心强化工程对城镇管理机构存在的问题和挑战。因此，有必要采用自下而上的方法与包括本国非政府组织在内的不同组织进行合作。对曾经有过城市更新项目的城市进行了问卷调查。在回答调查问卷的193个城市中，有10%的城市有区域管理机构，但大多数城市都认识到任何区域管理的重要性。通过这些案例分析，明确了以下问题对城市更新项目区域管理的重要性：1)统一的管理体系，灵活动态的规划；2)环境与城市生态网络贡献；3)产生公私伙伴关系和网络的社会过程；4)语境认同与创造力。

1. These following items were found as important factors for the area management by urban renewal projects, from the analysis of the existing data and the survey by the case studies in Japan, Switzerland, Germany, and UK, Such as Network, Vision, Citizen Participatory Process, Care for Environment. Land Use, Design Guide, Quality of Open Space, Area Identity, Regional Context.For this analysis the comparison of the area management of urban renewal projects at industrial sites was conducted at these following sites: Higashi-Gotanda and Toyosu (Tokyo), MM21, Port-Side, together with Bank-Art program (Yokohama), Soga (Chiba), Central Zone (Kawaguchi), and Zurich-West, Zurich-Nord (Zurich), SulzerAreal, SulzerPark (Winterthur), SIG (Neuhausen), Dreispitz Areal (Basel).2. To find the issue and challenge of the Town Management Organization by the Town Center Enhancement Project for the betterment of area management, we surveyed the case of Saga city. As a result, the process of bottom up approach would be necessary collaborating different organizations including NPOs.3. A questionnaire research was conducted to the municipalities which had ever had urban renewal projects. 10 % of the 193 municipalities which answered to the questionnaire have the area management organization, but most municipalities recognized the importance of any, area management.4. From these case studies, the importance of these following issues are made clear for the area management of urban renewal projects: 1)Consistent Management System with Flexible and Dynamic Planning; 2)Contribution for Environment and Urban Ecological Network; 3)Social Process Generating Public-Private Partnership and Network; 4)Contextual Identity and Creativity.