Abstract
In the Great East Japan Earthquake, there were some municipalities that had difficulty in responding to the disaster because their city halls were damaged by the tsunami. In response to this situation, the national government issued a guideline to consider the safety of the location when constructing city halls. However, there are few city halls that have been relocated to high ground or outside of flood risk areas. In addition, it has been pointed out that there are high hurdles to relocating city halls in terms of economic efficiency and agreement. Therefore, in order to grasp the method of realizing government buildings that can continue to function as the center of the city both in normal times and in the event of a disaster, we investigated city hall reconstruction projects in Yaizu City and Shimizu Ward, Shizuoka City. As a result, it was found that these two cities secured evacuation sites within the expected tsunami flooding areas by reconstructing city halls. And, we grasped ingenuities to prevent stopping the function of city halls when the buildings are damaged. Moreover, we grasped that by promoting the participation of the residents when considering the location and concept of the building, the municipalities could obtain the consent of the residents smoothly. Since these ingenuities are highly versatile, part of the effective method for tsunami countermeasures has been clarified from the results of this study.
