GB50014-2006(2014年版)：室外排水设计规范(2014年版)

本规范修订的主要技术内容有：增加水资源利用(包括再生水回用和雨水收集利用）、术语和符号、非开挖技术和敷设双管、防沉降、截流井、再生水管道和饮用水管道交叉、除臭、生物脱氮除磷、序批式活性污泥法、曝气生物滤池、污水深度处理和回用、污泥处置、检测和控制的内容；调整综合径流系数、生活污水中每人每日的污染物产量、检查井在直线管段的间距、土地处理等内容；补充塑料管的粗糙系数、水泵节能、氧化沟的内容；删除双层沉淀池。

GB50014-2006······1

1总则······14

2术语和符号······16

2.1术语······16

2.2符号······28

3设计流量和设计水质······33

3.1生活污水量和工业废水量······33

3.2雨水量······34

3.3合流水量······37

3.4涉及水质······38

4排水管渠和附属构筑物······39

4.1一般规定······39

4.2水力计算······40

4.3管道······44

4.4检查井······45

4.5跌水井······47

4.6水封井······47

4.7雨水口······47

4.8截流井······48

4.9出水口······50

4.10立体交叉道路排水······50

4.11倒虹管······51

4.12渠道······52

4.13管道综合······53

4.14雨水调蓄池······53

4.15雨水渗透设施······55

4.16雨水综合利用······56

4.17内涝防治设施······57

5泵站······58

5.1一般规定······58

5.2设计流量和设计扬程······59

5.3集水池······59

5.4泵房设计······61

5.5出水设施······62

6污水处理······64

6.1厂址选择和总体布置······64

6.2一般规定······66

6.3格栅······68

6.4沉砂池······68

6.5沉淀池······69

6.6活性污泥法······72

6.7化学除磷······82

6.8供养设施······71

6.9生物膜法······86

6.10回流泥污和剩余污泥······90

6.11污水自然处理······91

6.12污水深度处理和回用······93

6.13消毒······95

7污泥处理和处置······97

7.1一般规定······97

7.2污泥浓缩······97

7.3污泥消化······98

7.4污泥机械脱水······101

7.5污泥输送······103

7.6污泥干化焚烧······103

7.7污泥综合利用······104

8检测与控制······105

8.1一般规定······105

8.2检测······105

8.3控制······105

8.4计算机控制管理系统······106

附录A暴雨强度公式的编制方法······107

附录B排水管道和其他地下管线（构筑物）的最小净距······109

本规范用词说明······111

附：条文说明······112

1总则······115

3设计流量和设计水质······120

3.1生活污水量和工业废水量······120

3.2雨水量······122

3.3合流水量······131

3.4涉及水质······132

4排水管渠和附属构筑物······135

4.1一般规定······135

4.2水力计算······138

4.3管道······140

4.4检查井······143

4.5跌水井······146

4.6水封井······146

4.7雨水口······147

4.8截流井······149

4.9出水口······149

4.10立体交叉道路排水······150

4.11倒虹管······152

4.12渠道······153

4.13管道综合······153

4.14雨水调蓄池······154

4.15雨水渗透设施······158

4.16雨水综合利用······159

4.17内涝防治设施······160

5泵站······162

5.1一般规定······162

5.2设计流量和设计扬程······165

5.3集水池······166

5.4泵房设计······168

5.5出水设施······171

6污水处理······172

6.1厂址选择和总体布置······172

6.2一般规定······176

6.3格栅······178

6.4沉砂池······180

6.5沉淀池······183

6.6活性污泥法······187

6.7化学除磷······200

6.8供养设施······203

6.9生物膜法······206

6.10回流泥污和剩余污泥······215

6.11污水自然处理······217

6.12污水深度处理和回用······223

6.13消毒······226

7污泥处理和处置······229

7.1一般规定······229

7.2污泥浓缩······230

7.3污泥消化······232

7.4污泥机械脱水······241

7.5污泥输送······246

7.6污泥干化焚烧······247

7.7污泥综合利用······252

8检测与控制······255

8.1一般规定······255

8.2检测······255

8.3控制······259

8.4计算机控制管理系统······259