The aim of this research is clarify the characteristic of the scale and the regional trend of the apartment house as Tsunami Evacuation Building, designation of which has been rapidly increasing after Great East Japan Earthquake in the local governments, especially the Great NANKAI Trough areas. The type of institutions of the Tsunami Evacuation Building can be classified into 14 functions and 59 uses. There is the most designation of the apartment house in that. But, refuge space of apartment house as Tsunami Evacuation Building is set a limit in the public space. That purpose, it’s very narrow. So, the apartment house is demanded that make the roof available.
