Abstract:In order to solve the problems of combined rainwater and sewage, and the old infrastructures in the residential areas, 95 residential areas in Zhangdian District, Zibo City were reconstructed from 2022 to 2023. Based on the rainwater and sewage separation reconstruction, and combined with the renewal of the city, the infrastructure level of the residential areas is improved and the living environment of the residents is enhanced. After the implementation of the project, the combined rainwater and sewage, the overflow and the poor pavement drainage in 95 residential areas have been obviously improved, and the level of various infrastructures in these areas has been greatly upgraded, which effectively advances the urban renewal work of Zhangdian District. The happiness sense of the residents is enhanced, making the areas both “innovative” and “outstanding”, and enabling the people to “live in peace” and “be livable”, which has certain reference significance for the rainwater and sewage separation reconstruction and infrastructure improvement projects in similar residential areas.