1.概述1。1 项目概况.............................................................................................................21.2 设计依据................................................................................................................21。3 相关法律规范.....................................................................................................22。项目区概况.................................................................................................................22.1 地理位置................................................................................................................22.2 气象水文............................................................................................................... 22。3 工程地质.............................................................................................................23。排水现状及存在问题.................................................................................................33.1 排水现状................................................................................................................33。2 排水存在的主要问题.........................................................................................34.工程设计........................................................................................................................34.1 排水体制................................................................................................................34.2 雨水管网设计........................................................................................................34.3 污水管网设计........................................................................................................44.4 管线标准横断面布置............................................................................................44。5 排水管材选择.....................................................................................................44.6 管道接口形式.......
