目 录1、工程概况......................................................31.1 编制依据...................................................31.2 工程概况...................................................42、施工总体部署..................................................72.1 施工组织机构...............................................72.2 地点和时间.................................................82.3 施工场地布置...............................................83、施工工期安排..................................................84、地下管线拆迁、防护方案........................................95、既有线防护施工方案............................................95.1 方案简介：.................................................95.2 既有防护网拆迁............................................115.3 人工挖孔桩成孔施工........................................135.4、人工挖孔桩砼施工........................................145.5 冠梁施工..................................................155.6 接长桥涵端翼墙拆除及基坑开挖..............................155.7 桥涵主体及附属施工........................................155.8 光电缆迁改施工............................................156、临近既有线施工安全防护措施...................................176.1 安全保证体系..............................................176.2 施工要求..................................................176.3 挖孔桩施工安全措施........................................186.4 基坑开挖安全措施..........................................196.5 既有线施工安全措施........................................206.6 既有线路基沉降、位移观测措施..............................216.7 光电缆迁改安全保证措施....................................216.8 夜间施工安全保证措施......................................226.9 防洪措施..................................................216.10 质量保证措施.............................................227、应急预案.....................................................237.1 应急预案措施......................
