GBT50484-2019······1

1 總則······14

2 術(shù)語······15

3 通用規(guī)定······18

3.1 現(xiàn)場管理······18

3.2 施工環(huán)境保護(hù)······18

3.3 施工動火作業(yè)······20

3.4 受限空間作業(yè)······21

3.5 高處作業(yè)······22

3.6 季節(jié)性施工······25

4 臨時用電及臨建設(shè)施······27

4.1 用電管理······27

4.2 變配電及自備電源······29

4.3 配電線路······31

4.4 配電箱······32

4.5 接地與接零······34

4.6 照明用電······36

4.7 臨建設(shè)施······37

5 起重作業(yè)······39

5.1 一般規(guī)定······39

5.2 吊索具······40

5.3 卷揚機(jī)作業(yè)······45

5.4 流動式起重機(jī)作業(yè)······45

5.5 塔式起重機(jī)作業(yè)······47

5.6 橋式/門式起重機(jī)作業(yè)······48

5.7 液壓吊裝系統(tǒng)作業(yè)······49

5.8 裝卸與運輸作業(yè)······50

6 腳手架作業(yè)······53

6.1 一般規(guī)定······53

6.2 腳手架用料······54

6.3 搭設(shè)、使用、拆除······54

6.4 特殊形式腳手架······57

7 土建作業(yè)······59

7.1 土石方作業(yè)······59

7.2 基坑支護(hù)與降排水······60

7.3 樁基作業(yè)······61

7.4 強夯作業(yè)······63

7.5 沉井作業(yè)······64

7.6 鋼筋作業(yè)······65

7.7 模板作業(yè)······66

7.8 混凝土作業(yè)······68

7.9 砌筑作業(yè)······69

7.10 防水、防腐作業(yè)······70

8 安裝作業(yè)······72

8.1 金屬結(jié)構(gòu)的制作安裝······72

8.2 設(shè)備安裝······72

8.3 管道安裝······74

8.4 電氣作業(yè)······75

8.5 儀表作業(yè)······78

8.6 涂裝作業(yè)······79

8.7 絕熱作業(yè)······80

8.8 筑爐、襯里作業(yè)······81

9 特殊安裝作業(yè)······82

9.1 檢修作業(yè)······82

9.2 容器現(xiàn)場組焊······85

9.3 切割、打磨與焊接作業(yè)······87

9.4 熱處理作業(yè)······88

9.5 耐壓試驗······89

9.6 清洗與吹掃作業(yè)······90

9.7 氣密性試驗······91

10 施工檢測······93

10.1 一般規(guī)定······93

10.2 施工測量······93

10.3 成分分析······94

10.4 物理試驗······95

10.5 無損檢測······96

11 施工機(jī)械使用······99

11.1 一般規(guī)定······99

11.2 手持電動工具······99

11.3 起重吊裝機(jī)械······100

11.4 預(yù)加工機(jī)械······104

11.5 焊接機(jī)械······105

11.6 動力機(jī)械······106

11.7 土石方機(jī)械······107

11.8 運輸機(jī)械······109

11.9 樁工及水工機(jī)械······111

11.10 混凝土機(jī)械······113

11.11 鋼筋加工機(jī)械······115

11.12 木工機(jī)械······116

11.13 其他機(jī)械······116

附錄A 施工現(xiàn)場剩余電流保護(hù)器的接線方法······119

本標(biāo)準(zhǔn)用詞說明······120

引用標(biāo)準(zhǔn)名錄······121

附:條文說明······122

2 術(shù)語······126

3 通用規(guī)定······127

3.1 現(xiàn)場管理······127

3.2 施工環(huán)境保護(hù)······127

3.3 施工動火作業(yè)······128

3.4 受限空間作業(yè)······129

3.5 高處作業(yè)······129

4 臨時用電及臨建設(shè)施······130

4.1 用電管理······130

4.2 變配電及自備電源······136

4.3 配電線路······138

4.4 配電箱······140

4.5 接地與接零······146

4.6 照明用電······150

5 起重作業(yè)······153

5.1 一般規(guī)定······153

5.2 吊索具······153

5.3 卷揚機(jī)作業(yè)······154

5.4 流動式起重機(jī)作業(yè)······154

5.5 塔式起重機(jī)作業(yè)······155

5.6 橋式/門式起重機(jī)作業(yè)······155

5.7 液壓吊裝系統(tǒng)作業(yè)······155

5.8 裝卸與運輸作業(yè)······156

7 土建作業(yè)······157

7.1 土石方作業(yè)······157

7.2 基坑支護(hù)與降排水······157

7.3 樁基作業(yè)······157

7.4 強夯作業(yè)······158

7.5 沉井作業(yè)······158

7.6 鋼筋作業(yè)······158

7.7 模板作業(yè)······159

7.8 混凝土作業(yè)······159

7.9 砌筑作業(yè)······159

7.10 防水、防腐作業(yè)······160

8 安裝作業(yè)······161

8.1 金屬結(jié)構(gòu)的制作安裝······161

8.2 設(shè)備安裝······161

8.3 管道安裝······161

84 電氣作業(yè)······161

8.5 儀表作業(yè)······162

8.6 涂裝作業(yè)······163

8.8 筑爐、襯里作業(yè)······163

9 特殊安裝作業(yè)······164

9.3 切割、打磨與焊接作業(yè)······164

9.5 耐壓試驗······164

9.6 清洗與吹掃作業(yè)······164

10 施工檢測······165

10.1 一般規(guī)定······165

10.2 施工測量······165

10.3 成分分析······166

10.4 物理試驗······167

10.5 無損檢測······168