GB55020-2021······1

1 總則······10

2 基本規(guī)定······11

3 給水系統(tǒng)設(shè)計(jì)······13

3.1 一般規(guī)定······13

3.2 給水管網(wǎng)······13

3.3 儲(chǔ)水和增壓設(shè)施······15

3.4 節(jié)水措施······16

4 排水系統(tǒng)設(shè)計(jì)······17

4.1 一般規(guī)定······17

4.2 衛(wèi)生器具與水封······17

4.3 生活排水管道······17

4.4 生活排水設(shè)備與構(gòu)筑物······18

4.5 雨水系統(tǒng)······19

5 熱水系統(tǒng)設(shè)計(jì)······21

5.1 一般規(guī)定······21

5.2 水量、水質(zhì)、水溫······21

5.3 設(shè)備與管道······22

6 游泳池及娛樂休閑設(shè)施水系統(tǒng)設(shè)計(jì)······23

6.1 水質(zhì)······23

6.2 系統(tǒng)設(shè)置······25

6.3 池水處理······25

6.4 安全防護(hù)······26

7 非傳統(tǒng)水源利用設(shè)計(jì)······27

7.1 一般規(guī)定······27

7.2 建筑中水利用······27

7.3 雨水回用······28

8 施工及驗(yàn)收······29

8.1 一般規(guī)定······29

8.2 施工與安裝······29

8.3 調(diào)試與驗(yàn)收······30

9 運(yùn)行維護(hù)······32

9.1 一般規(guī)定······32

9.2 水質(zhì)檢測(cè)······32

9.3 管道及附配件······32

9.4 設(shè)備運(yùn)行維護(hù)······33

9.5 儲(chǔ)水設(shè)施、設(shè)備間和構(gòu)筑物······33

附：起草說明······34

一、基本情況······36

二、本規(guī)范編制單位、起草人員及審查人員······39

三、術(shù)語······40

四、條文說明······42

1 總則······42

2 基本規(guī)定······43

3 給水系統(tǒng)設(shè)計(jì)······48

4 排水系統(tǒng)設(shè)計(jì)······59

5 熱水系統(tǒng)設(shè)計(jì)······68

6 游泳池及娛樂休閑設(shè)施水系統(tǒng)設(shè)計(jì)······74

7 非傳統(tǒng)水源利用設(shè)計(jì)······79

8 施工及驗(yàn)收······82

9 運(yùn)行維護(hù)······88