【正文】 ............................................................. 5 編制依據(jù) ................................................................................................................... 5 編制原則 ................................................................................................................... 5 編制范圍和內(nèi)容 ........................................................................................................ 6 項(xiàng)目所在地概況 ........................................................................................................ 6 當(dāng)?shù)馗艣r ................................................................................................ 6 自然條件 ................................................................................................ 7 3 工程建設(shè)的必要性 ................................................................................................................ 8 工程建設(shè)的必要性 .................................................................................................... 8 用水現(xiàn)狀 ........................................................................................................... 8 工程建設(shè)必要性 ............................................................................................... 8 設(shè)計(jì)供水范圍和供水人口 ......................................................................................... 8 4 供水規(guī)模 ............................................................................................................................ 9 用水量與設(shè)計(jì)規(guī)模 .................................................................................................... 9 需水量預(yù)測 ................................................................................................................ 9 供水規(guī) 模 ................................................................................................................. 13 制水規(guī)模 ................................................................................................................. 13 5 水資源論證 ...................................................................................................................... 14 水源選擇的原則和要求 .............................................................................................. 14 地表水水源 ............................................................................................................... 15 水源概況 ................................................................................................ 15 工程水文 ................................................................................................ 15 水源水質(zhì)分析 ............................................................................................................ 17 水源論證及水源確定 ................................................................................................. 17 水源論證 ................................................................................................ 17 水源確定結(jié)論 ......................................................................................... 18 供水水質(zhì)和水壓 ........................................................................................................ 19 供水水質(zhì)要求 ......................................................................................... 19 供水水壓要求 ......................................................................................... 19 6 水廠廠址及建設(shè)年限 ....................................................................................................... 20 建設(shè)年限 ................................................................................................................. 20 廠址 ......................................................................................................................... 20 工程地質(zhì) ................................................................................................................. 20 7 工程設(shè)計(jì) .......................................................................................................................... 21 工程內(nèi)容 ................................................................................................................. 21 取水工程 ................................................................................................................. 21 III 水源 ....................................................................................................... 21 取水量 ................................................................................................... 21 取水構(gòu)筑物 ............................................................................................ 21 輸水工程 ................................................................................................................. 22 輸水工程概況 ......................................................................................... 22 設(shè)計(jì)流量的確定 ..................................................................................... 23 管材及管徑 ............................................................................................ 23 輸水管路的水力計(jì)算 .............................................................................. 23 凈水廠設(shè)計(jì) ............................................................................................................... 29 凈水工藝 .............................................................................................. 29 絮凝 ....................................................................................................... 30 沉淀 ....................................................................................................... 30 重力式無閥濾池 ..................................................................................... 31 消毒 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