1 總則······11

2 術(shù)語和符號(hào)······12

2.1 術(shù)語······12

2.2 符號(hào)······13

3 基本規(guī)定······16

3.1 一般規(guī)定······16

3.2 雨水斗······17

3.3 雨水徑流計(jì)算······19

3.4 系統(tǒng)選型與設(shè)置······21

4 屋面集水溝設(shè)計(jì)······26

4.1 集水溝設(shè)置······26

4.2 集水溝計(jì)算······27

4.3 溢流口計(jì)算······30

5 半有壓屋面雨水系統(tǒng)設(shè)計(jì)······31

5.1 系統(tǒng)設(shè)置······31

5.2 系統(tǒng)參數(shù)與計(jì)算······31

6 壓力流屋面雨水系統(tǒng)設(shè)計(jì)······33

6.1 系統(tǒng)設(shè)置······33

6.2 系統(tǒng)參數(shù)與計(jì)算······34

7 重力流屋面雨水系統(tǒng)設(shè)計(jì)······37

7.1 系統(tǒng)設(shè)置······37

7.2 系統(tǒng)參數(shù)與計(jì)算······37

8 加壓提升雨水系統(tǒng)設(shè)計(jì)······39

8.1 一般規(guī)定······39

8.2 雨水匯集設(shè)施······39

8.3 雨水集水池······40

8.4 水泵設(shè)置······40

8.5 系統(tǒng)計(jì)算······41

9 施工安裝······42

9.1 一般規(guī)定······42

9.2 進(jìn)場(chǎng)檢驗(yàn)······43

9.3 雨水斗安裝······43

9.4 管道安裝······44

9.5 雨水潛水泵安裝······45

9.6 固定件安裝······45

10 工程驗(yàn)收和維護(hù)管理······50

10.1 一般規(guī)定······50

10.2 安裝驗(yàn)收······50

10.3 密封性能驗(yàn)收······51

10.4 竣工驗(yàn)收······51

10.5 維護(hù)······51

附錄A 雨水斗流量和斗前水深試驗(yàn)測(cè)試方法······53

附錄B 深度系數(shù)和形狀系數(shù)曲線······56

附錄C 壓力流屋面雨水系統(tǒng)容積式測(cè)試法······57

本規(guī)程用詞說明······58

引用標(biāo)準(zhǔn)名錄······59

附:條文說明······61

1 總則······64

2 術(shù)語和符號(hào)······65

3 基本規(guī)定······66

3.1 一般規(guī)定······66

3.2 雨水斗······68

3.3 雨水徑流計(jì)算······69

3.4 系統(tǒng)選型與設(shè)置······71

4 屋面集水溝設(shè)計(jì)······74

4.1 集水溝設(shè)置······74

4.2 集水溝計(jì)算······74

5 半有壓屋面雨水系統(tǒng)設(shè)計(jì)······75

5.1 系統(tǒng)設(shè)置······75

5.2 系統(tǒng)參數(shù)與計(jì)算······76

6 壓力流屋面雨水系統(tǒng)設(shè)計(jì)······79

6.1 系統(tǒng)設(shè)置······79

6.2 系統(tǒng)參數(shù)與計(jì)算······79

7 重力流屋面雨水系統(tǒng)設(shè)計(jì)······82

7.1 系統(tǒng)設(shè)置······82

7.2 系統(tǒng)參數(shù)與計(jì)算······82

8 加壓提升雨水系統(tǒng)設(shè)計(jì)······83

8.1 一般規(guī)定······83

8.2 雨水匯集設(shè)施······84

8.3 雨水集水池······84

8.4 水泵設(shè)置······84

8.5 系統(tǒng)計(jì)算······86

9 施工安裝······88

9.1 一般規(guī)定······88

9.2 進(jìn)場(chǎng)檢驗(yàn)······88

9.5 雨水潛水泵安裝······88

10 工程驗(yàn)收和維護(hù)管理······89

10.1 一般規(guī)定······89

10.2 安裝驗(yàn)收······89

10.3 密封性能驗(yàn)收······90

10.4 竣工驗(yàn)收······90

10.5 維護(hù)······90

附錄A 雨水斗流量和斗前水深試驗(yàn)測(cè)試方法······92