【正文】 開(kāi)關(guān)站位于主變洞上方的地面緩坡地帶，底板高程 ，平 面尺寸 80m179。 地下廠房洞室群布置于大壩左岸山體內(nèi)，廠房縱軸線方位為 N79186。馬馬崖一級(jí)水電站屬二等大（ 2）型工程。電站附近現(xiàn)有 S210省道及貴昆和南昆二條鐵路通過(guò)，對(duì)外交通十分便利。內(nèi)徑 ，3 條引水隧洞長(zhǎng)度分別為 、 、 。主變洞平行布置于主廠房下游側(cè) 處，長(zhǎng) ，開(kāi)挖寬度 ，高 。在主廠房和主變洞周?chē)?10m～ 25m 處布置兩層平面上呈封閉形式的排水廊道，頂層排水廊道長(zhǎng) 660m，底板高程為 542m～ ，施工組織設(shè)計(jì) 馬馬崖一級(jí)水電站引水發(fā)電系統(tǒng)土建工程（合同編號(hào)： MMY1/C41） 中國(guó)水利水電第九工程局有限公司 2 在平面上呈“日”字形，并自流排至下游河道，廊道斷面尺寸為 3m179。安裝間長(zhǎng) ，寬 ，高 。三條引水隧洞平行布置，軸線方位由 NE78186。馬馬崖一級(jí)水電站引水發(fā)電系統(tǒng)土建工程（合同編號(hào)： MMY1/C41） 施工組織設(shè)計(jì) 中國(guó)水利水電第九工程局有限公司 A 目 錄 1. 工程概述 ............................................................................................................................................................ 1 概況 .............................................................................................................................................................. 1 水文氣象 ...................................................................................................................................................... 2 工程地質(zhì)條件 .............................................................................................................................................. 4 地形地貌 .............................................................................................................................................. 4 巖溶水文地質(zhì) ...................................................................................................................................... 4 主要建筑物地質(zhì)條件 ......................................................................................................................... 4 交通條件 ...................................................................................................................................................... 5 渣場(chǎng)布置 ...................................................................................................................................................... 6 施工控制性進(jìn)度 .......................................................................................................................................... 6 合同工作范圍 .............................................................................................................................................. 7 2. 施工布置方案 ..................................................................................................................................................11 施工總體規(guī)劃 ............................................................................................................................................11 施工技術(shù)總體規(guī)劃原則 ...................................................................................................................11 施工組織規(guī)劃 ....................................................................................................................................12 主體工程施工程序規(guī)劃 ...................................................................................................................12 施工總平面布置 ........................................................................................................................................14 施工布置條件和布置原則 ...............................................................................................................14 施工交通布置 ....................................................................................................................................14 渣場(chǎng)布置 ............................................................................................................................................17 施工供風(fēng)布置 ....................................................................................................................................17 施工通風(fēng)布置 ....................................................................................................................................18 施工供電 ............................................................................................................................................21 施工供水 ............................................................................................................................................23 施工照明 ............................................................................................................................................24 施工通信 ............................................................................................................................................25 砂石料的供應(yīng) ..................................................................................................................................25 混凝土生產(chǎn)系統(tǒng) ..............................................................................................................................25 臨時(shí)房屋建筑和公用設(shè)施 .............................................................................................................26 生產(chǎn)輔助設(shè)施布置 ..........................................................................................................................26 工地試驗(yàn)室 ......................................................................................................................................27 棄渣場(chǎng)規(guī)劃與管理維護(hù) .................................................................................................................28 施工道路維護(hù) ..................................................................................................................................29 3. 組織機(jī)構(gòu)及資源配備 .....................................................................................................................................30 擬設(shè)立的組織機(jī)構(gòu)形式 ...........................................................................................................................30 施工組織機(jī)構(gòu)說(shuō)明 ...................................................................................................................................30 決策層 ..............