【正文】 ...................................................................................................... 9 水土保持設(shè)計 ...................................................................................................................................12 設(shè)計 ...............................................................................................................................12 環(huán)境影響評價 .................................................................................................................................13 工程投資估算與資金籌措 ............................................................................................................15 經(jīng)濟評價與成本水價核算 ............................................................................................................16 研究結(jié)論 .........................................................................................................................................19 2 項目背景和建設(shè)必要性與可行性 ................................. 20 項目背景 ...........................................................................................................................................20 自然與社會經(jīng)濟概況 ......................................................................................................................20 自然地理概況 ..........................................................................................................................20 水資源及其開發(fā)利用狀況 .....................................................................................................23 農(nóng)村飲水安全現(xiàn)狀 ..........................................................................................................................23 .................................................................................23 ..............................................................................................26 ..................................................................................................27 “十一五”規(guī)劃執(zhí)行情況 ..............................................................................................................29 解決農(nóng)村飲水安全問題的必要性 .................................................................................................30 建設(shè)農(nóng)村飲水安全工程的可行性 .................................................................................................33 3 工程建設(shè)任務(wù)與總體方案 ...................................... 34 工程建設(shè)任務(wù)及目標(biāo) ......................................................................................................................34 工程建設(shè)標(biāo)準(zhǔn) ...................................................................................................................................35 工程建設(shè)總體方案 ..........................................................................................................................36 4 工程設(shè)計 ................................................... 43 供水規(guī)模與供水方式 ......................................................................................................................43 供水方式 ..................................................................................................................................46 水源選擇 ...........................................................................................................................................46 水源論證 ..................................................................................................................................46 水廠廠址的選擇 ...............................................................................................................................47 取水建筑物 .......................................................................................................................................48 輸水建筑物 .......................................................................................................................................49 輸水線路選擇 ..........................................................................................................................49 輸水建筑物設(shè)計 ......................................................................................................................49 凈水建筑物 .......................................................................................................................................49 凈水工藝流程的比選 .............................................................................................................49 水廠總體設(shè)計 ..........................................................................................................................49 構(gòu)筑物設(shè)計 ..............................................................................................................................49 輔助建筑物設(shè)計 ......................................................................................................................50 配水建筑物 .......................................................................................................................................50 輔助工程 ...........................................................................................................................................50 防洪、抗震設(shè)計 ......................................................................................................................50 消防設(shè)計 ..................................................................................................................................50 供配電設(shè)計 ..............................................................................................................................51 、自控及通訊設(shè)計 ..........................................................................................................51 5 典型工程設(shè)計 ............................................... 52 典型工程分類 ...................................................................................................................................52 典型工程設(shè)計 .............................................................................................................................