本規范的主要技術內容是:1.總則；2.術語和符號；3.水量與水質；4.雨水控制及利用系統設置；5.雨水收集與排除；6.雨水入滲；7.雨水儲存與回用；8.水質處理；9.調蓄排放；10.施工及驗收；11.竣工驗收；12.運行管理。

GB50400-2016······1

1總則······12

2術語和符號······13

2.1術語······13

2.2符號······15

3水量與水質······17

3.1降雨量和雨水水質······17

3.2雨水資源化利用量和水質······18

4雨水控制及利用系統設置······21

4.1一般規定······21

4.2系統選型······22

4.3系統設施計算······23

5雨水收集與排除······28

5.1屋面雨水收集······28

5.2硬化地面雨水收集······29

5.3雨水棄流······29

5.4雨水排除······30

6雨水入滲······32

6.1一般規定······32

6.2滲透設施······33

7雨水儲存與回用······37

7.1一般規定······37

7.2儲存設施······37

7.3雨水回用供水系統······39

7.4系統控制······40

8水質處理······41

8.1處理工藝······41

8.2處理設施······42

8.3雨水處理站······43

9調蓄排放······44

10施工及驗收······46

10.1一般規定······46

10.2埋地滲透設施······46

10.3透水地面······47

10.4拼裝組合水池······48

10.5管道敷設······51

10.6設備安裝······51

11竣工驗收······53

11.1水壓試驗······53

11.2驗收······53

12運行管理······55

附錄A全國各大城市降雨量資料······57

本規范用詞說明······64

引用標準名錄······65

附：條文說明······66

1總則······70

2術語和符號······75

2.1術語······75

3水量與水質······76

3.1降雨量和雨水水質······76

3.2雨水資源化利用量和水質······85

4雨水控制及利用系統設置······93

4.1一般規定······93

4.2系統選型······99

4.3系統設施計算······103

5雨水收集與排除······112

5.1屋面雨水收集······112

5.2硬化地面雨水收集······114

5.3雨水棄流······115

5.4雨水排除······118

6雨水入滲······121

6.1一般規定······121

6.2滲透設施······122

7雨水儲存與回用······131

7.1一般規定······131

7.2儲存設施······132

7.3雨水回用供水系統······137

7.4系統控制······141

8水質處理······142

8.1處理工藝······142

8.2處理設施······143

8.3雨水處理站······144

9調蓄排放······146

10施工及驗收······148

10.1一般規定······148

10.2埋地滲透設施······148

l0.3透水地面······150

10.5管道敷設······151

10.6設備安裝······151

11竣工驗收······152

11.1水壓試驗······152

11.2驗收······152

12運行管理······154