游坊特大桥跨京九铁路钢门式墩施工方案

目 录 TOC \o "1-2" \h \z \u HYPERLINK \l "_Toc437985438" 1. 编制依据及范围 PAGEREF _Toc437985438 \h 1 HYPE

目录 1.编制依据及范围 ................................................ 1 1.1编制范围 ................................................... 1 1.2编制依据 ................................................... 1 2.工程概况 ...................................................... 1 2.1工程简介 ................................................... 1 2.2地质、水文情况 ............................................. 2 2.3施工条件 ................................................... 3 2.4工程特点、难点 ............................................. 4 2.5主要工程量 ................................................. 4 2.6施工类别 ................................................... 5 2.7施工安全风险源的确定 ....................................... 6 2.8工期安排 ................................................... 9 3.总体施工安排 ................................................. 10 3.1组织机构 .................................................. 10 3.2临时及过渡工程 ............................................ 13 3.3机械设备配置及测量仪器 .................................... 13 3.4施工用水用电 .............................................. 14 3.5总体施工方案 .............................................. 14 4.施工准备 ..................................................... 15 4.1办理营业线施工相关手续 .................................... 15 4.245#墩右侧地质补勘 ......................................... 15 4.3硬隔离防护施工 ............................................ 16 4.4地下管线保护 .............................................. 16 4.5电力线改迁 ................................................ 16 4.6改移水沟 .................................................. 17 4.7声屏障、隔离墙拆除 ........................................ 17 4.8防护栅栏改迁 .............................................. 17