中交二航局G569线北仙公路第一项目部梁场龙门吊安装及拆除工程安全专项方案编制：审核：批准：中交二航局G569线北仙公路第一项目部二○一五年十一月目录第一章编制说明............................................................................................................................11.1编制目的.................................................................................................................................11.2编制依据.................................................................................................................................11.3适用范围.................................................................................................................................1第二章工程概况............................................................................................................................22.1概况..........................................................................................................................................22.1.1工程概况......................................................................................................................22.2门机概况.................................................................................................................................22.2.1主要技术参数..............................................................................................................22.3安装场地.................................................................................................................................32.4安装的重点和难点.................................................................................................................3第三章主要施工工艺.....................................................................................................................43.1施工准备.................................................................................................................................43.1.1工艺准备......................................................................................................................43.1.2组织准备......................................................................................................................53.1.3工索具、起重设备准备.............................................................................................53.1.4检查准备......................................................................................................................53.1.5其它..............................................................................................................................63.2部件拼装.................................................................................................................................63.2.1支腿组装......................................................................................................................63.2.2起重小车组拼..............................................................................................................73.2.3主梁节段拼装..............................................................................................................73.3结构安装.................................................................................................................................83.3.1各部件起重参数....................................................
