GB51251-2017······1

1 總則······7

2 術(shù)語(yǔ)和符號(hào)······8

2.1 術(shù)語(yǔ)······8

2.2 符號(hào)······10

3 防煙系統(tǒng)設(shè)計(jì)······13

3.1 一般規(guī)定······13

3.2 自然通風(fēng)設(shè)施······15

3.3 機(jī)械加壓送風(fēng)設(shè)施······15

3.4 機(jī)械加壓送風(fēng)系統(tǒng)風(fēng)量計(jì)算······17

4 排煙系統(tǒng)設(shè)計(jì)······22

4.1 一般規(guī)定······22

4.2 防煙分區(qū)······23

4.3 自然排煙設(shè)施······24

4.4 機(jī)械排煙設(shè)施······25

4.5 補(bǔ)風(fēng)系統(tǒng)······29

4.6 排煙系統(tǒng)設(shè)計(jì)計(jì)算······29

5 系統(tǒng)控制······36

5.1 防煙系統(tǒng)······36

5.2 排煙系統(tǒng)······36

6 系統(tǒng)施工······38

6.1 一般規(guī)定······38

6.2 進(jìn)廠檢驗(yàn)······39

6.3 風(fēng)管安裝······41

6.4 部件安裝······44

6.5 風(fēng)機(jī)安裝······46

7 系統(tǒng)調(diào)試······47

7.1 一般規(guī)定······47

7.2 單機(jī)調(diào)試······47

7.3 聯(lián)動(dòng)調(diào)試······49

8 系統(tǒng)驗(yàn)收······51

8.1 一般規(guī)定······51

8.2 工程驗(yàn)收······51

9 維護(hù)管理······54

附錄A 不同火災(zāi)規(guī)模下的機(jī)械排煙量······55

附錄B 排煙口最大允許排煙量······57

附錄C 防煙、排煙系統(tǒng)分部、分項(xiàng)工程劃分······59

附錄D 施工過程質(zhì)量檢查記錄······60

附錄E 防煙、排煙系統(tǒng)工程質(zhì)量控制資料檢查記錄······64

附錄F 防煙、排煙工程驗(yàn)收記錄······65

附錄G 防煙、排煙系統(tǒng)維護(hù)管理工作檢查項(xiàng)目······67

本標(biāo)準(zhǔn)用詞說明······68

引用標(biāo)準(zhǔn)名錄······69