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市政给排水工程施工环境具有特殊性,管网均排设在地下,一旦出现故障,会给城市的正常生产和生活带来严重的影响,且发现问题和解决问题时间较长,所以在城市给排水工程中,解决管网管线的合理优化布置等问题尤为重要。湖北省谷城县城的供水,在2003年前使用的是地下用水,由城区设置泵站供水,2004年采用地表用水。原城区供水管网是一个由多种管道、调节阀和加压泵站等设备组成的输送水系统(即给水管网系统),唯有对系统进行科学的设计
Municipal water supply and drainage engineering construction environment has its own particularities. The pipe networks are arranged underground. Once a fault occurs, it will have a serious impact on the normal production and life of the city. Moreover, problems are found and problems are solved for a long time. Therefore, Drainage project, to solve the rational optimization of pipe network layout and other issues is particularly important. Gucheng County, Hubei Province, the water supply, in 2003 before the use of underground water, pumping stations set by the city water supply, surface water use in 2004. The original urban water supply network is a pipeline composed of a variety of piping, regulating valves and pressurized pump stations and other equipment composed of water transport system (that is, water supply pipe network system), the only scientific design of the system