Today in Japan, there happens emergence of various professions and diversification of delivery systems. However, some points of the current building system don't accommodate to such changes, so it could cause damage to buildings' quality. To this matter, this study treats cooperation between participants in a building project as one way of enhancing buildings' quality. In these days, designers and constructors had close communication and realized high quality buildings in many projects. So the purpose of this study is to show a decision making process of design contents in Kyoto Takaragaike Prince Hotel led by Togo Murano and to consider how designers and other participants, especially constructors cooperated in this project.
