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与其说是排水出了问题,不如说是城市设计不合理。2012年北京“7·21”之后,中国的城市排水问题终于引起政府的重视。2013年7月22日,住房和城乡建设部发布《城市排水(雨水)防涝综合规划编制大纲》。其中要求,通过采取综合措施,直辖市、省会城市和计划单列市(36个大中城市)中心城区能有效应对不低于50年一遇的暴雨,地级城市中心城区能有效应对不低于30年一遇的暴雨,其他城市中心城区能有效应对不低于20年一遇的暴雨。《大纲》还对城市排水防涝的规划
Drainage is not so much a problem, as it is urban design is not reasonable. After Beijing’s “7.21” in 2012, the issue of urban drainage in China has finally drawn the attention of the government. On July 22, 2013, the Ministry of Housing and Urban-Rural Development promulgated the Compilation Outline of Integrated Waterlogging Prevention and Flood Protection Plan for Urban Drainage (Rainwater). It requires that, through comprehensive measures, central urban areas in municipalities directly under the Central Government, provincial capitals and cities with separate municipalities (36 large and medium-sized cities) can effectively cope with torrential rain events of no less than 50 years and urban centers in prefecture-level cities can effectively cope with not less than 30 In case of heavy rain in one year, other urban centers in urban areas can effectively deal with heavy rain no less than once every 20 years. “Outline” also plans for urban drainage waterlogging