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以江苏省仪征市雨水排水系统可行性研究为例 ,通过对同一雨水排水系统雨水设计重现期的不同取值对雨水排水管渠建设费用影响的分析 ,提出城镇雨水设计重现期的选取应把城镇功能区划作为划分各汇水区域的重要参数 ,因地制宜地对不同汇水区域选用不同的设计重现期值 ,使雨水管网在满足排水需要的同时又符合经济性的要求 .最后 ,对规范的完善提出了建议 .
Taking the feasibility study of rainwater drainage system in Yizheng City, Jiangsu Province as an example, this paper analyzes the impact of rainwater drainage system construction cost on the construction cost of rainwater drainage system in the same rainwater drainage system, Taking urban functional zoning as an important parameter to divide each catchment area and choosing different design recurrence values for different catchment areas according to local conditions, the rainwater pipeline network meets the economic requirements while satisfying the drainage needs.Finally, The perfection of the proposal put forward.