重庆轨道交通四号线一期土建六标区间明挖深基坑开挖支护安全专项施工方案目录第一章工程概况.............................................................................................11.1工程简介...........................................................................................................................11.2工程地质与水文条件........................................................................................................31.2.1工程地质....................................................................................................................31.2.2岩土分层及特征.........................................................................................................31.2.3水文地质....................................................................................................................51.2.4边坡稳定性评价.........................................................................................................51.2.5气象与水文................................................................................................................81.3施工总平面布置...............................................................................................................91.3.1道路............................................................................................................................91.3.2施工用电....................................................................................................................91.3.3施工用水及排水.........................................................................................................91.3.4临时设施布置说明.....................................................................................................91.3.5施工平面布置图.......................................................................................................101.4周边建筑物及管线调查..................................................................................................101.5施工要求和技术保证条件..............................................................................................111.5.1施工要求..................................................................................................................111.5.2技术保证条件...........................................................................................................12第二章编制依据...........................................................................................132.1.相关法律、法规、规范性文件.....................................................................................132.2标准、规范.....................................................................................................................132.3编制采用的主要工程图纸及施工组织..........................................................................142.4适用范围.........................................................................................................................14第三章施工计划...........................................................................................143.1进度计划.........................................................................................................................143.2材料与机械设备计划......................................................................................................14I重庆轨道交通四号线...