【正文】 ......................................................................................... 18 有關(guān)文件 ...................................................................................................... 18 基礎(chǔ)數(shù)據(jù)、文件 .......................................................................................... 18 采用的主要規(guī)范、標(biāo)準(zhǔn) .............................................................................. 19 設(shè)計(jì)原則 ....................................................................................................... 19 第五章 工程規(guī)模 ....................................................................................................... 21 供水范圍、供水對象及設(shè)計(jì)水平年 .................................................. 21 供水范圍及對象 ......................................................................................... 21 設(shè)計(jì)水平年 ................................................................................................. 21 需水量預(yù)測 ................................................................................................. 21 仁壽縣 視高 水廠 至興盛鄉(xiāng)管網(wǎng)延伸工程 初步設(shè)計(jì) 2 用水量標(biāo)準(zhǔn) ................................................................................................. 21 水質(zhì)標(biāo)準(zhǔn) ..................................................................................................... 21 水壓標(biāo)準(zhǔn) ..................................................................................................... 22 用水量計(jì)算 .................................................................................................. 22 農(nóng)村居民用水量 ...................................................................................... 22 總用水量 .................................................................................................. 23 供水規(guī)模的確定 ........................................................................................ 23 第六章 水源選擇 ....................................................................................................... 24 水源選擇的原則和要求 ........................................................................... 24 水源選擇的要求 ........................................................................................ 24 水源論證 ...................................................................................................... 24 視高水廠概況 ............................................................................................. 24 視高水廠水源 ............................................................................................. 25 水源的確定 ................................................................................................. 25 第七章 工程總體布置 ............................................................................................... 26 總體布置原則 ............................................................................................. 26 工程總體方案 ............................................................................................. 26 輸水線路及管材選擇 ............................................................................... 26 輸水線路 ..................................................................................................... 26 管材選擇 ..................................................................................................... 26 第八章 工程設(shè)計(jì) ....................................................................................................... 31 工程等級、類型及設(shè)計(jì)標(biāo)準(zhǔn) ................................................................. 31 配水管網(wǎng)工程設(shè)計(jì) .................................................................................... 31 計(jì)算標(biāo)準(zhǔn) ..................................................................................................... 31 輸水管節(jié)點(diǎn)計(jì)算 ......................................................................................... 32 輸水管水力計(jì)算 ......................................................................................... 32 輸水管起終點(diǎn)設(shè)計(jì) ...................................................................................... 33 管道設(shè)計(jì) ..................................................................................................... 33 工程量表 ...................................................................................................... 36 第九章 投資概算及水價分析 ........................................................................... 38 工程投資概算 .................................................................................................. 38 編制原則 .............................................................................................. 38 編制依據(jù) .............................................................................................. 38 基礎(chǔ)數(shù)據(jù) .............................................................................................. 38 投資概算 .............................................................................................. 40 水價分析 .......................................................................................................... 40 第十章 工程施工 .................................................................................................. 41 工程概況 ........................................................................................................ 41 施工組織 ......................................................................................................... 41 主要施工方法 ................................................................................................. 41 施工總進(jìn)度 ..................................................................................................... 42 仁壽縣 視高 水廠 至興盛鄉(xiāng)管網(wǎng)延伸工程 初步設(shè)計(jì) 3 施工總進(jìn)度安排原則 ............................................................................... 42 施工總體簡要安排 .................................................................................... 43 施工現(xiàn)場臨時設(shè)施 .................................................................................... 43 施工中的用電保障 .................................................................................... 43 施工中的用水問題 ..........................