本规范的主要技术内容是:1.总则；2.术语和符号；3.水量与水质；4.雨水控制及利用系统设置；5.雨水收集与排除；6.雨水入渗；7.雨水储存与回用；8.水质处理；9.调蓄排放；10.施工及验收；11.竣工验收；12.运行管理。
GB50400-2016······1
1总则······12
2术语和符号······13
2.1术语······13
2.2符号······15
3水量与水质······17
3.1降雨量和雨水水质······17
3.2雨水资源化利用量和水质······18
4雨水控制及利用系统设置······21
4.1一般规定······21
4.2系统选型······22
4.3系统设施计算······23
5雨水收集与排除······28
5.1屋面雨水收集······28
5.2硬化地面雨水收集······29
5.3雨水弃流······29
5.4雨水排除······30
6雨水入渗······32
6.1一般规定······32
6.2渗透设施······33
7雨水储存与回用······37
7.1一般规定······37
7.2储存设施······37
7.3雨水回用供水系统······39
7.4系统控制······40
8水质处理······41
8.1处理工艺······41
8.2处理设施······42
8.3雨水处理站······43
9调蓄排放······44
10施工及验收······46
10.1一般规定······46
10.2埋地渗透设施······46
10.3透水地面······47
10.4拼装组合水池······48
10.5管道敷设······51
10.6设备安装······51
11竣工验收······53
11.1水压试验······53
11.2验收······53
12运行管理······55
附录A全国各大城市降雨量资料······57
本规范用词说明······64
引用标准名录······65
附：条文说明······66
1总则······70
2术语和符号······75
2.1术语······75
3水量与水质······76
3.1降雨量和雨水水质······76
3.2雨水资源化利用量和水质······85
4雨水控制及利用系统设置······93
4.1一般规定······93
4.2系统选型······99
4.3系统设施计算······103
5雨水收集与排除······112
5.1屋面雨水收集······112
5.2硬化地面雨水收集······114
5.3雨水弃流······115
5.4雨水排除······118
6雨水入渗······121
6.1一般规定······121
6.2渗透设施······122
7雨水储存与回用······131
7.1一般规定······131
7.2储存设施······132
7.3雨水回用供水系统······137
7.4系统控制······141
8水质处理······142
8.1处理工艺······142
8.2处理设施······143
8.3雨水处理站······144
9调蓄排放······146
10施工及验收······148
10.1一般规定······148
10.2埋地渗透设施······148
l0.3透水地面······150
10.5管道敷设······151
10.6设备安装······151
11竣工验收······152
11.1水压试验······152
11.2验收······152
12运行管理······154
