【正文】 許 嶺 鎮(zhèn) 供 水 工 程 可 行 性 研 究 報 告許嶺鎮(zhèn)供水工程可行性研究報告 2目 錄前 言 ................................................................................................................................................11 概 述 ............................................................................................................................................2 項目簡介 ....................................................................................................................................2 編制的原則、依據(jù) ....................................................................................................................2 編制的原則 ........................................................................................................................2 編制依據(jù) ............................................................................................................................2 編制范圍 ............................................................................................................................3 自然條件 ....................................................................................................................................3 地理位置 ............................................................................................................................3 地形、地貌 ........................................................................................................................3 氣候氣象 ............................................................................................................................4 水文 ....................................................................................................................................4 工程地質 ............................................................................................................................4 城鎮(zhèn)概況 ....................................................................................................................................4 歷史沿革 ............................................................................................................................4 社會、經濟狀況 ................................................................................................................4 現(xiàn)狀人口及面積 ................................................................................................................5 總體規(guī)劃概況 ....................................................................................................................5 鎮(zhèn)區(qū)給水工程現(xiàn)狀及存在問題 ................................................................................................6 給水現(xiàn)狀 ............................................................................................................................6 存在問題 ............................................................................................................................7 工程建設的必要性和意義 ........................................................................................................7 工程建設的必要性 ............................................................................................................7 工程建設的可能性 ............................................................................................................82 工程規(guī)模 ......................................................................................................................................10 城市用水量預測年限 ..............................................................................................................10 工程服務范圍及服務人口 ......................................................................................................10 用水量及人口分類 ..................................................................................................................12 水量預測方法選擇 ..................................................................................................................12 水量預測 ..................................................................................................................................13 綜合用水定額法預測 ......................................................................................................13 分類計算法預測 ..............................................................................................................14 工程規(guī)模 ..................................................................................................................................173 水源評述及選擇 ..........................................................................................................................18 水源評述 ..................................................................................................................................18 地下水 ..............................................................................................................................18 地表水 ..............................................................................................................................18 水源確定 ..................................................................................................................................184 工程方案論述 ..............................................................................................................................20 取水水源工程方案 ..................................................................................................................20 取水口位置選擇 ..............................................................................................................20 取水形式比較 ..................................................................................................................22 凈水廠廠址選擇 ......................................................................................................................22 選址原則 ..........................................................................................................................22 廠址方案 ..........................................................................................................................23許嶺鎮(zhèn)供水工程可行性