排水泵房沉井施工方案 (終極版)12.26

1、0堤角水廠改擴建工程堤角水廠改擴建工程凈水廠工程凈水廠工程排水泵房沉井安全專項施工方案編制人：審核人：審批人：中恒建設(shè)集團有限公司2016年12月20日排水泵房（沉井）專項施工方案堤角水廠改擴建工程—凈水廠工程214.9、模板安裝安全保證措施......................................................................................3414.10、模板安裝注

2、意事項............................................................................................3615鋼筋工程.....................................................................................................................

3、3916混凝土澆搗工程.........................................................................................................4217施工縫設(shè)置和處理............................................................................................

4、.........4418預(yù)埋及預(yù)留.................................................................................................................4419沉井降水施工...............................................................................

5、..............................4520.沉井下沉.......................................................................................................................4920.1墊層的拆除...................................................

6、..........................................................4920.2挖土下沉.................................................................................................................4920.3土方吊運.............................

7、....................................................................................5020.4測量控制與觀測.....................................................................................................5020.5下沉傾斜、位移、扭轉(zhuǎn)的預(yù)防及糾正

8、.................................................................5120.6糾偏.........................................................................................................................5220.7終沉..................

9、.......................................................................................................5220.8沉井封底與底板澆注.............................................................................................5321沉井施工的

10、難點和要點及應(yīng)對措施.........................................................................5421.1沉井下沉過程中可能出現(xiàn)的不正常偏差.............................................................5421.2防止沉井超沉措施.......................................

11、..........................................................5521.3防止沉井偏移措施.................................................................................................5521.4防止沉井傾斜措施.....................................

12、............................................................5621.5沉井封底防止?jié)B漏的措施.....................................................................................5621.6澆注大體積混凝土防止蜂窩、麻面及混凝土收縮裂縫的措施.........................5

13、622.監(jiān)測措施.......................................................................................................................5722.1沉井下沉中的偏斜和扭轉(zhuǎn)監(jiān)測..........................................................................

14、..5722.3監(jiān)測頻率、工作....................................................................................................6022.4報警及處理原則............................................................................................

15、........61第三章安全管理體系及職責...............................................................................................621、安全管理組織機構(gòu)...........................................................................................

16、............622、安全生產(chǎn)管理職責表...................................................................................................623、安全管理程序......................................................................................

17、.........................67第四章安全、文明施工及應(yīng)急預(yù)案措施.........................................................................681沉井安全施工保證措施..........................................................................................

18、.....682消防管理措施...............................................................................................................703.社會治安綜合治理措施.................................................................................

19、...............714文明施工措施...............................................................................................................725應(yīng)急預(yù)案措施............................................................................

20、...................................746、危險源辨識...................................................................................................................807、物體打擊事故的預(yù)防及其應(yīng)急預(yù)案..........................................

21、.................................808、觸電事故的預(yù)防及其應(yīng)急預(yù)案...................................................................................819、基坑開挖過程中的事故處理.......................................................................

22、................8510、發(fā)生塌方事故應(yīng)急預(yù)案.............................................................................................8611、基坑變形的應(yīng)急措施..................................................................................