【正文】 小藍大道西延（金沙四路～撫河故道）道路及排水工程、富山一路西延（金沙四路～鐵路）道路及排水工程 I 前言 ............................................................................................................................................. 1 1 總論 ...................................................................................................................................... 2 任務(wù)由來 ................................................................................................................. 2 評價目的 ................................................................................................................. 2 編制依據(jù) ................................................................................................................. 2 主要環(huán)境問題識別及評價因子 .................................................................................. 5 評 價工作等級 .......................................................................................................... 6 評價范圍 ................................................................................................................. 7 評價時段 ................................................................................................................. 8 環(huán)境保護目標(biāo) .......................................................................................................... 8 評價標(biāo)準(zhǔn) ................................................................................................................12 評價方法 ................................................................................................................14 評價重點 ................................................................................................................14 評價技術(shù)路線 .........................................................................................................14 2 工程概況 ..............................................................................................................................16 項目名稱、建設(shè)性質(zhì)及地點 ....................................................................................16 建設(shè)必要性 .............................................................................................................16 擬建道路路線地理位置、走向 .................................................................................17 建設(shè)規(guī)模和主要技術(shù)指標(biāo) ........................................................................................18 預(yù)測的交通量 .........................................................................................................20 工程組成及主要工程數(shù)量 ........................................................................................21 建設(shè)條件及施工輔助工程 ........................................................................................25 主要工程施工工藝 ..................................................................................................26 建設(shè)進度安排及投資估算 ........................................................................................27 3 工程分析 ..............................................................................................................................28 社會環(huán)境 ................................................................................................................28 施工期工程影響分析 ...............................................................................................29 營運期工程影響分析 ...............................................................................................33 工程方案合理性分析 ...............................................................................................37 4 沿線環(huán)境質(zhì)量現(xiàn)狀 ................................................................................................................40 自然環(huán)境概況 .........................................................................................................40 社會環(huán)境概況 .........................................................................................................42 生態(tài)環(huán)境現(xiàn)狀調(diào)查與評價 ........................................................................................45 水環(huán)境質(zhì)量現(xiàn)狀調(diào)查與評價 ....................................................................................46 環(huán)境空氣質(zhì)量現(xiàn)狀調(diào)查與評價 .................................................................................49 聲環(huán)境 質(zhì)量現(xiàn)狀調(diào)查與評價 ....................................................................................51 地下水環(huán)境現(xiàn)狀調(diào)查與評價 ....................................................................................53 5 環(huán)境影響預(yù)測與評價 .............................................................................................................55 社會環(huán)境影響預(yù)測評價 ...........................................................................................55 生態(tài)環(huán)境影響分析與評價 ........................................................................................58 地表水環(huán)境影響預(yù)測與分析 ....................................................................................60 環(huán)境空氣質(zhì)量影響的預(yù)測分析 .................................................................................62 環(huán)境噪聲預(yù)測與評價 ...............................................................................................66 固體廢物影響分析 ..................................................................................................87 景觀影響預(yù)測與分析 ...............................................................................................87 地質(zhì)災(zāi)害影響預(yù)測與分析 ........................................................................................88 6 環(huán)境污染事故風(fēng)險分析 .........................................................................................................89 風(fēng)險識別 ................................................................................................................89 源項分析 ................................................................................................................89 環(huán)境風(fēng)險事故后果計算 ...........................................................................................96 環(huán)境風(fēng)險事故的控制和防范措施 ........................................................................... 103 小藍大道西延（金沙四路～撫河故道）道路及