【正文】 蒃袀節(jié)莃螁衿羈膅蚇羈肄莁薃 某城區(qū)建立城市供水工程項目可 行 性 研 究 報 告（修改）工程號：設(shè)計研究院目 錄前 言 .....................................................................................................................................1第 1 章 概 述 ...........................................................................................................................3 編制依據(jù) ................................................................................................................................3 編制原則 ................................................................................................................................3 編制范圍 ...............................................................................................................................4 城市概況 ................................................................................................................................4 地理位置 ........................................................................................................................4 自然條件 ........................................................................................................................4 歷史沿革 ........................................................................................................................5 城市性質(zhì)和城市規(guī)模 ....................................................................................................5 供水現(xiàn)狀與存在問題 ............................................................................................................6 工程建設(shè)的必要性 ................................................................................................................8第 2 章 總體規(guī)劃及方案論證 ...................................................................................................10 工程規(guī)模的論證及確定 ......................................................................................................10 工程方案論證及確定 ..........................................................................................................12 水源論證 .......................................................................................................................12 取水方案論證 ..............................................................................................................19 輸水方案論證 ..............................................................................................................20 凈水廠廠址選擇 ..........................................................................................................28 凈水廠處理工藝論證及確定 ......................................................................................28 配水系統(tǒng)方案論證及管材選擇 ..................................................................................35第 3 章 工程內(nèi)容 .........................................................................................................................37 設(shè)計原則 ..............................................................................................................................37 工程規(guī)模 ..............................................................................................................................37 取水工程設(shè)計 ......................................................................................................................37 ...................................................................................................................37 取水閥室設(shè)計 ..............................................................................................................38. 輸水工程 ............................................................................................................................41 ...................................................................................................................41 穿越鐵路管設(shè)計 ..........................................................................................................41 穿越防洪堤設(shè)計 ..........................................................................................................41 穿越干渠設(shè)計 ..............................................................................................................42 凈水廠設(shè)計 .........................................................................................................................42 凈水廠 ..........................................................................................................................42 工程主要內(nèi)容 ..............................................................................................................43. 廠區(qū)建筑設(shè)計 .............................................................................................................50. 結(jié)構(gòu)設(shè)計 .....................................................................................................................52. 供電 .............................................................................................................................53 自控、儀表及通訊 ......................................................................................................55 .......................................................................................................58 配水管網(wǎng)設(shè)計 .....................................................................................................................59 配水系統(tǒng) ......................................................................................................................60 管網(wǎng)平差計算 ..............................................................................................................60第 4 章 法規(guī)、法令專篇 .............................................................................................................61 環(huán)境保護(hù)設(shè)計 ......................................................................................................................61 設(shè)計依據(jù)及采用標(biāo)準(zhǔn) ...................................................................................................61 供水工程水源地水質(zhì)分析 ..........................................................................................61 引水工程對環(huán)境主要不利影晌 ......................