【正文】 ................................................. 22 .............................................................................................................22 .............................................................................................................23 3 工程任務(wù)和規(guī)模 ................................................................................................................................................. 24 工程建設(shè)依據(jù) .............................................................................................................................................. 24 工程建設(shè)的必要性 ...................................................................................................................................... 24 ............................................................................................24 ........................................................................................25 ..........................................................................................................25 ..........................................................................................................25 ............................................................................................25 防洪任務(wù)和標(biāo)準(zhǔn) .......................................................................................................................................... 27 ..........................................................................................................27 ..........................................................................................................27 ..........................................................................................................28 4 工程設(shè)計 .............................................................................................................................................................. 29 設(shè)計依據(jù) ...................................................................................................................................................... 29 工程總布置 .................................................................................................................................................. 29 ...................................................................................................29 社區(qū)防洪渠 ...............................................................................................30 4 ...............................................................................................30 ......................................................................................................30 工程設(shè)計 ...................................................................................................................................................... 30 ......................................................................................................31 ......................................................................................................32 ...................................................................................................32 ......................................................................................................32 ......................................................................................................32 5 水土保持設(shè)計和環(huán)境保護設(shè)計 ...................................................................................................................... 34 水土保持 設(shè)計 .............................................................................................................................................. 34 ..........................................................................................................34 ........................................................................................34 ...................................................................................................35 ..........................................................................36 環(huán)境保護設(shè)計 .............................................................................................................................................. 37 ..........................................................................................................37 ...................................................................................................38 6 施工組織設(shè)計 ..................................................................................................................................................... 40 施工條件 ....................................................................................................................................................... 40 ..........................................................................................................40 ............................................................................................40 ........................................................................................40 ..........................................................................................................41 施工總體布置 ............................................................................................................................................... 41 ......................................................................................................41 ......................................................................................................41 ......................................................................................................41 ..........................................................................................................42 施工程序及施工方法 .................................................................................................................................. 42 ..........................................