针对广东某城市污水管网系统一期项目,介绍了项目排水体制的选择、设计原则、污水干管的布置、提升泵站的设置、管材和施工方式选择、安全措施等设计要点,并对工程设计的经验进行了总结,可供设计人员参考。 Aiming at the first phase project of a city sewage pipe network system in Guangdong, the design principles of the drainage system of the project, the design principles, the arrangement of the sewage main pipe, the design of the pump station, the selection of the pipe material, construction methods and safety measures are introduced. Design experience is summarized, for designers reference.