GB55027-2022······1

1 總則······9

2 基本規定······10

2.1 規模和布局······10

2.2 建設要求······11

2.3 運行維護······12

3 雨水系統······15

3.1 一般規定······15

3.2 源頭減排······15

3.3 雨水管網······16

3.4 排澇除險······17

4 污水系統······20

4.1 一般規定······20

4.2 污水管網······21

4.3 污水和再生水處理······22

4.4 污泥處理和處置······23

附：起草說明······26

一、基本情況······28

二、本規范編制單位、起草人員及審査人員······30

三、術語······31

四、條文說明······34

1 總則······34

2 基本規定······36

3 雨水系統······45

4 污水系統······53