目 錄

1、工程概況........................................................................................1

1.1 工程簡介........................................................................................1

1.2 工程及施工特點.............................................................................1

1.3 編制依據(jù)........................................................................................2

2、施工總體部署.................................................................................3

2.1 總體目標(biāo)........................................................................................3

2.2 施工段的劃分.................................................................................3

2.3 施工組織與管理.............................................................................4

2.4 施工總進(jìn)度計劃.............................................................................5

2.5 施工準(zhǔn)備........................................................................................5

2.6 施工階段劃分及內(nèi)容......................................................................7

2.7 大臨暫設(shè)規(guī)劃.................................................................................7

2.8 施工供水供電.................................................................................8

2.9 施工臨時征地.................................................................................8

3、主要施工技術(shù)要點..........................................................................9

3.1 長輸管線施工工藝流程..................................................................9

3.2 測量放線........................................................................................9

3.3 管溝開挖......................................................................................10

3.4 管溝排水......................................................................................12

3.5 人工降水......................................................................................13

3.6 管溝支護(hù)......................................................................................15

3.7 管道砂墊層..................................................................................19

3.8 管材、管件及閥門入場檢驗.........................................................20

3.9 管道運輸及吊裝...........................................................................21

3.10 管道下溝....................................................................................21

3.11 管道組對....................................................................................22

3.12 焊接作業(yè)坑................................................................................23

3.13 管道焊接....................................................................................23

3.14 管道外防腐................................................................................30

3.14.1 管道外防腐.............................................................................30

3.14.2 補(bǔ)口及補(bǔ)傷.............................................................................33

3.15 管溝回填....................................................................................34

3.16 管道分段耐壓試驗.....................................................................35

3.17 管道內(nèi)襯里................................................................................39

3.18 穿跨越工程................................................................................40

3.18.1 穿越河流施工方法...................................................................40

3.18.2 穿跨越公路施工方法...............................................................47

3.18.3 短距離頂管工藝......................................................................47

3.18.4 長距離頂管工藝......................................................................53

3.19 穿越管道的安裝.........................................................................59

3.20 通水試驗....................................................................................59

4、主要保證措施要點........................................................................60

4.1 質(zhì)量保證措施...............................................................................60

4.2 施工進(jìn)度保證措施.......................................................................61

4.3 成品保護(hù)措施...............................................................................61

4.4 安全保證措施...............................................................................62

4.5 消防治安保證措施.......................................................................63

4.6 文明施工措施...............................................................................63

4.7 雨季施工措施...............................................................................64

4.8 冬季施工措施...............................................................................65

4.9 環(huán)境保護(hù)措施...............................................................................66

附表一：施工進(jìn)度計劃表...................................................................67

附表二：勞動力計劃表......................................................................68

附表三：施工機(jī)具計劃表...................................................................69

附圖一：施工管理機(jī)構(gòu)圖...................................................................70

附圖二：各施工段管理機(jī)構(gòu)圖...........................................................71

附圖三：DN2200 輸水管線施工布置橫斷面㈠...................................72

附圖四：DN2200 輸水管線施工布置橫斷面㈡...................................55

附圖五：DN2200 輸水管線施工布置橫斷面㈢...................................56

附圖六：DN2200 輸水管線施工吊車站位圖......................................57

附圖七：龍門架組裝圖......................................................................58

附圖八：DN2200 輸水管線過河段平面示意圖...................................59

附圖九：DN2200 輸水管線過河段橫斷圖..........................................60

附件一：直縫卷管與螺旋卷管的預(yù)制加工

附件二：輸油輸氣管道線路工程施工及驗收規(guī)范

附件三：埋地鋼質(zhì)管道環(huán)氧煤瀝青防腐層技術(shù)標(biāo)準(zhǔn)

附件四：埋地給水鋼管道水泥砂漿襯里技術(shù)標(biāo)準(zhǔn)

附件五：取水段的簡要設(shè)計與施工

附件六：土方與爆破工程施工及驗收規(guī)范（第三章）土方工程