【正文】 ....................................................................................................................................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 原水輸水管線線路選擇 .........................................................................................................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) .................................................................................................................................39 廠區(qū)附屬工程 .........................................................................................................................50 建筑設(shè)計(jì) .........................................................................................................................................51 設(shè)計(jì)依據(jù) .................................................................................................................................51 總平面設(shè)計(jì) .............................................................................................................................51 豎向設(shè)計(jì) .................................................................................................................................52 綠化設(shè)計(jì) .................................................................................................................................52 廠區(qū)建筑設(shè)計(jì) .........................................................................................................................52 建筑消防設(shè)計(jì) .........................................................................................................................53 結(jié)構(gòu)設(shè)計(jì) .........................................................................................................................................53 設(shè)計(jì)依據(jù) .................................................................................................................................53 設(shè)計(jì)內(nèi)容 .................................................................................................................................54 主要設(shè)計(jì)數(shù)據(jù) .........................................................................................................................54 主要結(jié)構(gòu)構(gòu)件材料 .................................................................................................................55 結(jié)構(gòu)標(biāo)準(zhǔn)圖的構(gòu)件應(yīng)用 .........................................................................................................55 抗震設(shè)計(jì) .................................................................................................................................55 供電設(shè)計(jì) .........................................................................................................................................56 設(shè)計(jì)依據(jù) .................................................................................................................................56 設(shè)計(jì)范圍 .................................................................................................................................57 負(fù)荷等級(jí)及供電電源 .............................................................................................................58 供電系統(tǒng)接線形式及運(yùn)行方式 .............................................................................................58 變、配電系統(tǒng) ..........................................................................................................