【正文】 1X市X區(qū)（老城區(qū)）第三水廠供水工程可行性研究報(bào)告二零零九年五月X 蘭區(qū)（老城區(qū)）第三水廠供水工程可行性研究報(bào)告i目 錄前言 ....................................................................................................................................................................11 概述............................................................................................................................................................3 項(xiàng)目概況 ...........................................................................................................................................3 編制依據(jù) ...........................................................................................................................................3 采用標(biāo)準(zhǔn)和規(guī)范 ...............................................................................................................................4 設(shè)計(jì)原則 ...........................................................................................................................................6 編制范圍 ...........................................................................................................................................6 工程建設(shè)的必要性 ...........................................................................................................................72 城市概況..................................................................................................................................................10 自然概況 .........................................................................................................................................10 地理位置 .................................................................................................................................10 地形及水文、地址 .................................................................................................................10 氣候條件 .................................................................................................................................11 城市概況及性質(zhì) .............................................................................................................................113 給水現(xiàn)狀及需水量預(yù)測(cè)..........................................................................................................................14 給水系統(tǒng)現(xiàn)狀 .................................................................................................................................14 給水系統(tǒng)現(xiàn)狀 .........................................................................................................................14 存在的問(wèn)題 .............................................................................................................................14 需水量預(yù)測(cè) .....................................................................................................................................164 水源論證..................................................................................................................................................20 地表水資源概況 .............................................................................................................................20 地下水資源概況 .............................................................................................................................21 水源選擇 .........................................................................................................................................215 方案論證..................................................................................................................................................23 供水系統(tǒng)方案 .................................................................................................................................23 水源工程方案的比選 .....................................................................................................................23 取水方式選擇 .........................................................................................................................23 原水輸水管線(xiàn)線(xiàn)路選擇 .........................................................................................................23 原水輸水管道管材選擇 .........................................................................................................24 凈水工藝流程的選擇 .....................................................................................................................32 凈水廠位置選擇 .....................................................................................................................32 凈水工藝選擇 .........................................................................................................................336 工程方案設(shè)計(jì)..........................................................................................................................................36 設(shè)計(jì)依據(jù) .........................................................................................................................................36 設(shè)計(jì)原則 .........................................................................................................................................36 工程規(guī)模及內(nèi)容 .............................................................................................................................36 取水工程方案設(shè)計(jì) .........................................................................................................................37X 蘭區(qū)（老城區(qū)）第三水廠供水工程可行性研究報(bào)告ii 水源井設(shè)計(jì) .............................................................................................................................37 水源管道設(shè)計(jì) .........................................................................................................................37 凈水廠工程設(shè)計(jì) .............................................................................................................................38 廠區(qū)平面設(shè)計(jì) .........................................................................................................................38 工藝設(shè)計(jì) ........................................................................................................................