The paper explores the outdoor drainage points of the low-floor residential complexes located on slopes,the high-rise buildings of large-scale underground garages,and the low and tall residential complexes,it holds that some flexible methods should be taken in the community exterior drainage design,designs the outdoor drainage flexibly,and adheres to the ideas of protection the environment,so as to enhance the healthy operation of the urban drainage system.%对位于坡地的低层住宅小区、具有大型连片地下车库的高层、低层和多层住宅小区的室外排水要点进行了探讨,提出小区室外排水设计可采用一些变通方式,对小区室外排水进行灵活的设计,同时应在设计中贯彻环保的理念,以促进城市水系统健康运行。
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