A total construction area include : elevator shafts, transforming rooms, equipment, between duty shifts, as well as services for the entire public space use and management of the construction area.

• 共有建筑面积的内容包括：电梯井、变电室、设备间、值班警卫室等，以及为整幢服务的公共用房和管理用房的建筑面积。