第0页共53页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第0页共53页目录1概述........................................................................................................................................................12现状、发展及建设的必要性................................................................................................................22.1交通现状与规划.............................................................................................................................22.2建设的必要性.................................................................................................................................33工程规模及标准....................................................................................................................................33.1设计标准.........................................................................................................................................33.2工程规模.........................................................................................................................................64备选方案................................................................................................................................................84.1建设条件.........................................................................................................................................84.2备选方案研究...............................................................................................................................145工程环境影响分析..............................................................................................................................265.1环境特征.......................................................................................................................................265.2工程环境影响...............................................................................................................................265.3减缓工程环境影响的对策...........................................................................................................276投资估算与资金筹措..........................................................................................................................296.1投资估算.......................................................................................................................................296.2资金筹措.......................................................................................................................................337综合评定..............................................................................................................................................347.1方案选定.......................................................................................................................................347.2推荐方案主要控制点...................................................................................................................357.3推荐方案的标准及主要技术经济指标.......................................................................................357.4推荐方案工程概况.......................................................................................................................377.5结论..................................................
