Today, there are some problems in construction projects, for example, insufficient communication between designers and constructers, confusion about roles and responsibilities, and so on. On the other hand, in these days, designers and constructers had close communication and realized high quality buildings in many projects. This study aims to show a decision making process of design contents in such projects. As a typical one, this study deals with Tokyo Metropolitan Art museum designed by Mayekawa Associates, Architects & Engineers, based on interviews to parties and examinations of drawings and specifications and shop drawings.
