【正文】 ..............................................................................5 項(xiàng)目背景 .....................................................................................................................................................5 項(xiàng)目地點(diǎn) ....................................................................................................................................................5 項(xiàng)目編制的依據(jù) ........................................................................................................................................5 項(xiàng)目簡述及投資分析成果 .........................................................................................................................6 項(xiàng)目建設(shè)內(nèi)容與工期 .................................................................................................................................6 經(jīng)濟(jì)評(píng)價(jià)、環(huán)境影響評(píng)價(jià)及項(xiàng)目綜合評(píng)價(jià)結(jié)論 .....................................................................................6項(xiàng)目建設(shè)的必要性和可行性 ...............................................................................8 項(xiàng)目建設(shè)的必要性 .....................................................................................................................................8 項(xiàng)目建設(shè)的可行性 .....................................................................................................................................9項(xiàng)目區(qū)概況 ......................................................................................................11 自然概況 ...............................................................................................................................................11 地理位置及范圍 ................................................................................................................................11 氣候特征 ............................................................................................................................................11 地形地貌 ............................................................................................................................................11 土壤植被 ............................................................................................................................................123 水資源條件 ........................................................................................................................................12 社會(huì)經(jīng)濟(jì)狀況 ...........................................................................................................................................13水資源評(píng)價(jià)及供需平衡分析 .............................................................................15表 41 項(xiàng)目區(qū)地表水資源量計(jì)算成果 ...................................................................15 項(xiàng)目區(qū)地下水資源概況 ...........................................................................................................................15 項(xiàng)目區(qū)地下水資源評(píng)價(jià) ..........................................................................................................................15 降水入滲補(bǔ)給量的確定 ....................................................................................................................15 灌溉入滲量的確定 ............................................................................................................................16 洪水入滲量 ........................................................................................................................................16 項(xiàng)目區(qū)可供水量、現(xiàn)狀需水量及供需平衡情況 ...................................................................................17 設(shè)計(jì)用水量計(jì)算標(biāo)準(zhǔn) ........................................................................................................................17 設(shè)計(jì)用水量計(jì)算 ................................................................................................................................18 項(xiàng)目建設(shè)內(nèi)容及灌溉工程技術(shù)設(shè)計(jì)方案 .........................................................20 總體規(guī)劃 ..................................................................................................................................................20 項(xiàng)目建設(shè)內(nèi)容 ...........................................................................................................................................21 灌溉工程的總體布局 ...............................................................................................................................21 與灌溉工程配套的農(nóng)業(yè)生產(chǎn)技術(shù)措施 ...................................................................................................214 節(jié)水灌溉制度的制定 ...............................................................................................................................21 工程典型設(shè)計(jì) ...........................................................................................................................................23 節(jié)水配套工程設(shè)計(jì) ..................................................................................................................................256 工程施工和管理 ..................................................................................................27 施工組織設(shè)計(jì) .......................................................................................................................................27 施工組織機(jī)構(gòu) ....................................................................................................................................27 施工條件 ............................................................................................................................................27 施工方法 ............................................................................................................................................27 施工計(jì)劃及進(jìn)度安排 ........................................................................................................................28 工程管理 ..................................................................................................................................................28 輸配水管道的管理與維護(hù) ................................................................................................................28項(xiàng)目組織和管理 .........