目錄······1

1 總則······11

2 術語和符號······12

2.1 術語······12

2.2 符號······14

3 城鎮內澇防治系統······16

3.1 一般規定······16

3.2 技術要求······17

3.3 雨水量······18

4 源頭減排設施······20

4.1 一般規定······20

4.2 滲透設施······22

4.3 轉輸設施······26

4.4 調蓄設施······27

5 排水管渠設施······29

5.1 一般規定······29

5.2 管渠系統······29

5.3 管渠調蓄設施······32

6 排澇除險設施······33

6.1 一般規定······33

6.2 城鎮水體······33

6.3 調蓄設施······34

6.4 行泄通道······35

7 運行維護······37

7.1 一般規定······37

7.2 日常維護······37

7.3 應急管理······38

附錄A 內澇防治設計報告······40

附錄B 內澇防治設計校核······42

本規范用詞說明······45

引用標準名錄······46

附：條文說明······47

1 總則······50

3 城鎮內澇防治系統······52

3.1 一般規定······52

3.2 技術要求······55

3.3 雨水量······57

4 源頭減排設施······62

4.1 一般規定······62

4.2 滲透設施······65

4.3 轉輸設施······70

4.4 調蓄設施······71

5 排水管渠設施······73

5.1 一般規定······73

5.2 管渠系統······75

5.3 管渠調蓄設施······77

6 排澇除險設施······78

6.1 一般規定······78

6.2 城鎮水體······79

6.3 調蓄設施······81

6.4 行泄通道······82

7 運行維護······84

7.1 一般規定······84

7.2 日常維護······84

7.3 應急管理······85

附錄A 內澇防治設計報告······87

附錄B 內澇防治設計校核······88