Abstract
The purpose of this study was to understand the principles of the design of Shimo-Semba District in the castle town of Osaka. In the study, using modem surveying maps: 1) modules of the construction of waterways, 2) the size of blocks and building lots, 3) the relationship between waterways and main streets, and 4) the sewerage systems were analyzed, considering the effect of topography. As a result, the study has shown that waterways were firstly built at the lowest place and that had priority over other considerations of placement of infrastructure. Also, the study has clarified that the waterways had been designed with open spaces, streets and building lots along them. In addition, the study has explained that the process of the development in Shimo-Semba District, arranging design units between waterways chronologically.
