兰州-临洮天然气管道输配工程康乐、广河支线环境影响报告书兰州-临洮天然气管道输配工程康乐、广河支线环境影响报告书PAGE\*MERGEFORMAT250目录TOC\o"1-2"\h\z\uHYPERLINK\l"_Toc465078151"前言PAGEREF_Toc465078151\h1HYPERLINK\l"_Toc465078152"1.1项目背景PAGEREF_Toc465078152\h1HYPERLINK\l"_Toc465078153"1.2评价工作过程简介PAGEREF_Toc465078153\h2HYPERLINK\l"_Toc465078154"1.3关注的主要环境问题PAGEREF_Toc465078154\h2HYPERLINK\l"_Toc465078155"1.4报告书主要结论PAGEREF_Toc465078155\h3HYPERLINK\l"_Toc465078156"1、总论PAGEREF_Toc465078156\h1HYPERLINK\l"_Toc465078157"1.1编制依据PAGEREF_Toc465078157\h1HYPERLINK\l"_Toc465078158"1.2评价目的PAGEREF_Toc465078158\h5HYPERLINK\l"_Toc465078159"1.3环境影响要素识别和评价因子筛选PAGEREF_Toc465078159\h5HYPERLINK\l"_Toc465078160"1.4环境功能区划及评价标准PAGEREF_Toc465078160\h7HYPERLINK\l"_Toc465078161"1.5评价等级及评价范围PAGEREF_Toc465078161\h10HYPERLINK\l"_Toc465078162"1.6评价内容与评价重点PAGEREF_Toc465078162\h14HYPERLINK\l"_Toc465078163"1.7评价时段与评价方法PAGEREF_Toc465078163\h14HYPERLINK\l"_Toc465078164"1.8环境敏感点及环境保护目标PAGEREF_Toc465078164\h15HYPERLINK\l"_Toc465078165"2、工程概况PAGEREF_Toc465078165\h20HYPERLINK\l"_Toc465078166"2.1基本情况PAGEREF_Toc465078166\h20HYPERLINK\l"_Toc465078167"2.2建设规模及内容PAGEREF_Toc465078167\h21HYPERLINK\l"_Toc465078168"2.3输气工艺及物性PAGEREF_Toc465078168\h24HYPERLINK\l"_Toc465078169"2.4线路走向及穿（跨）越工程PAGEREF_Toc465078169\h26HYPERLINK\l"_Toc465078170"2.5管道敷设及管材选择PAGEREF_Toc465078170\h30HYPERLINK\l"_Toc465078171"2.6线路附属工程PAGEREF_Toc465078171\h34HYPERLINK\l"_Toc465078172"2.7施工组织方案PAGEREF_Toc465078172\h34HYPERLINK\l"_Toc465078173"2.8工程占地及拆迁安置PAGEREF_Toc465078173\h36HYPERLINK\l"_Toc465078174"3、政策、规划符合性分析及路由比选PAGEREF_Toc465078174\h37HYPERLINK\l"_Toc465078175"3.1产业政策符合性分析PAGEREF_Toc465078175\h37HYPERLINK\l"_Toc465078176"3.2与相关规划符合性分析PAGEREF_Toc465078176\h37HYPERLINK\l"_Toc465078177"3.3管线路由比选PAGEREF_Toc465078177\h43HYPERLINK\l"_Toc465078178"4、工程分析PAGEREF_Toc465078178