上海市公安局321工程位于瑞金路建国路日东北角,建设场地约3200m~2,总建筑面积15000m~2(图17)。一、总平面布置根据城市规划部门对建筑容积率、绿地及停车场面积的要求,采用主楼(15层)+裙房(1～3层)的建筑布局。主楼布置在场地中间,北、西两侧布置裙房,南侧及东侧布置车行道,广场及绿地。因该工程的特殊性,经规划部门同意,场地周围采用封闭围墙。考虑到紧邻城市干道,故围 The Shanghai Public Security Bureau 321 project is located at the northeast corner of Jianguo Road, Ruijin Road. The construction site is about 3200m 2 and the total construction area is 15000m 2 (Figure 17). 1. General layout According to the requirements of the city planning department on the building volume ratio, green space and parking area, the main building (15 floors) + podium (1st to 3rd floors) are used for the building layout. The main building is located in the middle of the site, with podiums on both sides of the north and west, and carriageways, squares and green spaces on the south and east sides. Due to the special nature of the project, with the approval of the planning department, enclosed fences were used around the site. Taking into account the proximity of the city’s main roads, so