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国标GB51222号出台,要求把我们的排水标准提高,从原来管道的标准一年一遇,提高到应该是50年、100年一遇,我们防洪标准都是千年一遇,我们是一年一遇,通过几次交流说服领导,整个应该从系统的角度考虑,而不是单一的提高管网排水标准,也说服了领导开展研究。形成了我们三段论的体系。主要是参照了美国建立的是低影响开发,包括DMP等等一系列的方法。分为大排水系和小排水系,管道标准和大排水系统标准列在上面,对全国每个县实施了洪涝灾害的评价。
National standard GB51222 issued, requiring the improvement of our drainage standards, from the original standard of the pipeline once a year, should be 50 years, once in 100 years, our flood control standards are once in a thousand years, we are once a year Through several exchanges and persuading leaders, the entire system should be considered from a systematic perspective, rather than a single standard to improve the drainage network, but also convinced the leadership to carry out research. Formed our syllogism system. The main reference to the United States is the establishment of low-impact development, including a series of methods such as DMP. Divided into large drainage systems and small drainage systems, pipeline standards and large drainage system standard listed above, the implementation of the flood assessment of each county in the country.