【正文】 1 G213 線映秀至都江堰段災(zāi)后恢復(fù)重建工程 III 標(biāo)段 項(xiàng)目經(jīng)理 部 漩口隧道 施工通風(fēng)專項(xiàng)方案 編制： 審核： 批準(zhǔn)： 實(shí)施日期： 2 目 錄 一、工程概況 ............................................................................................................................3 1 、地理位置 ..............................................................................................................3 2 、工程簡(jiǎn)況 ..............................................................................................................3 二、 通風(fēng)設(shè)計(jì)依據(jù) ...................................................................................................................3 通風(fēng)設(shè)計(jì)依據(jù) .......................................................................................................4 通風(fēng)設(shè)計(jì)標(biāo)準(zhǔn) .......................................................................................................4 三、通風(fēng)設(shè)計(jì)的原則 .................................................................................................................4 1 、通風(fēng)系統(tǒng) ..............................................................................................................4 通風(fēng)設(shè)備 ..............................................................................................................5 四、通風(fēng)方案 ............................................................................................................................5 進(jìn)口工區(qū)通風(fēng) ........................................................................................................5 通風(fēng)方案 ............................................................................................................5 、風(fēng)量和風(fēng)壓計(jì)算 ...............................................................................................7 、 風(fēng)機(jī)選型 .......................................................................................................9 出口工區(qū)通風(fēng) ........................................................................................................9 、通風(fēng)方案 .........................................................................................................9 、風(fēng)量計(jì)算 ....................................................................................................... 11 、風(fēng)機(jī)選型 ..................................................................................................... 12 五、施工通風(fēng)檢測(cè) ................................................................................................................... 13 風(fēng)速測(cè)定 ............................................................................................................ 13 、儀器 .............................................................................................................. 13 、風(fēng)速測(cè)定要求 ................................................................................................ 13 、用機(jī)械式風(fēng)表測(cè)量隧道平均風(fēng)速步驟： .......................................................... 14 、計(jì)算表速和隧道的平均風(fēng)速 ........................................................................... 16 隧道通風(fēng)量計(jì)算 ................................................................................................. 16 3 、瓦斯?jié)舛鹊臏y(cè)定 ................................................................................................. 16 隧道瓦斯絕對(duì)涌出量計(jì)算 ................................................................................... 17 六 施工通風(fēng)安全措施 ............................................................................................................. 17 1 、施工通風(fēng)安全管理措施 ....................................................................................... 17 、 施工通風(fēng)安全組織機(jī)構(gòu) ................................................................................ 17 、 施工通風(fēng)主要崗位風(fēng)險(xiǎn)管理標(biāo)準(zhǔn)及管理措施 ................................................. 17 、 通風(fēng)管理制度 .............................................................................................. 19 2 、施工通風(fēng)安全技術(shù)措施 .......