Abstract
This research is a step to make clear what are the standard details of nonwood constructions in Japan. A questionnaire survey about the own standard details books was made to selected architectural design organizations, and the present condition was made clear. The result says that there are some parts of a building which are likely to be standardized in drawings, but many of the details concerning to the building equipment are differently treated by each organization. And the computerization of the architectural drawings is changing gradually the state of the standard drawings.