GB55027-2022······1
1 总则······9
2 基本规定······10
2.1 规模和布局······10
2.2 建设要求······11
2.3 运行维护······12
3 雨水系统······15
3.1 一般规定······15
3.2 源头减排······15
3.3 雨水管网······16
3.4 排涝除险······17
4 污水系统······20
4.1 一般规定······20
4.2 污水管网······21
4.3 污水和再生水处理······22
4.4 污泥处理和处置······23
附：起草说明······26
一、基本情况······28
二、本规范编制单位、起草人员及审査人员······30
三、术语······31
四、条文说明······34
1 总则······34
2 基本规定······36
3 雨水系统······45
4 污水系统······53
