【正文】 .............................................................................................................1 水文氣象 ................................................................................................................................................1 工程任務(wù)和規(guī)模 ....................................................................................................................................1 施工組織設(shè)計 ........................................................................................................................................2 環(huán)境影響評價 ........................................................................................................................................2 工程量及工程投資估算 ........................................................................................................................3 工程效益 ................................................................................................................................................32 氣象水文 ......................................................................................................4 流域概況 ................................................................................................................................................4 氣象特征 ................................................................................................................................................4 水力計算 ................................................................................................................................................5 水文計算標(biāo)準(zhǔn)及依據(jù) .................................計算及成果 ......................................6 排灌渠流量復(fù)核計算 .................................6 排灌渠渠道斷面水力計算 .............................73 工程任務(wù)及規(guī)模 ..........................................................................................8 社會經(jīng)濟發(fā)展?fàn)顩r及工程建設(shè)的必要性 ............................................................................................8圖 213 顯 崗 水 庫 降 雨 為 主 、 羅 浮 山 站 降 雨 相 應(yīng) 情 況 關(guān) 系 圖0501001502002503003500 50 100 150 200 250 300 350 400羅 浮 山 （ mm）顯崗水庫（mm）24 河流規(guī)劃成果 .......................................8 社會經(jīng)濟狀況及遠期發(fā)展規(guī)劃 .........................8 工程建設(shè)的必要性和迫切性 ...........................9 排灌渠現(xiàn)狀與規(guī)劃 ................................................................................................................................9 排灌渠工程現(xiàn)狀 .....................................9 排灌渠規(guī)劃設(shè)計 .....................................94 施工組織設(shè)計 ............................................................................................10 施工條件 ..............................................................................................................................................10 對外交通通訊條件 ..................................10 施工場地條件 ......................................10 施工用水條件 ......................................10 建材供應(yīng)條件 ......................................10 天然建筑材料 ......................................................................................................................................115 環(huán)境影響評價 ............................................................................................11 工程對環(huán)境的影響和評價 ..................................................................................................................11 工程建設(shè)對環(huán)境的不利影響 ..........................11 工程建設(shè)期的環(huán)保補償措施 ..........................11 環(huán)境影響的綜合評價 ..........................................................................................................................126 工程投資估算 .............................................................................................12 編制說明 .................................................................................................12 編制依據(jù) .................................