【正文】 .................................................5 地理位置 ...........................................................................................................5 氣象 ...................................................................................................................5 水文 ...................................................................................................................7 泥沙 .................................................................................................................10 河勢分析及防洪影響評價 .............................................................................11 內(nèi)河水位 .........................................................................................................20 地震烈度 .........................................................................................................20 水系概況 .........................................................................................................20第三章 工程地質(zhì) .....................................................................................................21 工程區(qū)地形地貌 .............................................................................................21 場地地基土層 .................................................................................................21 水文地質(zhì)條件 .................................................................................................22 地基土的液化判別 .........................................................................................22 地基土評價 .....................................................................................................23第四章 工程任務(wù)和規(guī)模 .........................................................................................25XXX 長青沙閘遷建工程可行性研究報告南通和信工程勘測設(shè)計院有限公司 2 地區(qū)社會經(jīng)濟(jì)發(fā)展?fàn)顩r及工程建設(shè)的必要性 .............................................25 水文計算 .........................................................................................................27 工程規(guī)模 .........................................................................................................28 綜合利用 .........................................................................................................30第五章 工程布置及工程設(shè)計 .................................................................................31 水閘及圍堤設(shè)計標(biāo)準(zhǔn) .....................................................................................31 工程的總體布置 .............................................................................................31 方案比選 .........................................................................................................35第六章 施工組織設(shè)計 ...........................................................................................37 施工條件 .........................................................................................................37 施工工序 .........................................................................................................37 施工圍堰和排水 .............................................................................................38 主體工程 .........................................................................................................39 施工輔助企業(yè) .................................................................................................40 施工總布置 .....................................................................................................41 施工總進(jìn)度 .....................................................................................................41第七章 工程管理 .....................................................................................................43 管理機(jī)構(gòu) .........................................................................................................43 管理范圍 .........................................................................................................43 管理設(shè)施 .........................................................................................................43 運行管理 .........................................................................................................43 工程觀測 .........................................................................................................44XXX 長青沙閘遷建工程可行性研究報告南通和信工程勘測設(shè)計院有限公司 3第八章 工程投資估算 .............................................................................................46 編制依據(jù) .........................................................................................................46 編制說明 .........................................................................................................46 概算總價 .........................................................................................................46第九章 經(jīng)濟(jì)評價 .....................................................................................................48 國民經(jīng)濟(jì)分析 .................................................................................................48 結(jié)論 .................................................................................................................50第十章 環(huán)境評價 .....................................................................................................51 環(huán)境狀況 .......................................................................................................51 防洪工程對環(huán)境的改善 ...............................................................................51 防洪工程對環(huán)境的負(fù)面影響 .......................................................................53 施工期環(huán)境保護(hù) ...........................................................................................53 環(huán)評結(jié)論 .......................................................................................................54第十一章 工程招標(biāo) .................................................................................................55 招標(biāo)基本情況 ...............................................................................................55 招標(biāo)初步方案 ...............................................................................................56附件一、招標(biāo)基本情況表附件二、工程概