陕西绥延高速公路土建4项目(K46+930~K53+020)桥梁工程风险评估报告中铁二局工程有限公司陕西绥延高速公路土建4经理部2017年04月陕西绥延高速公路土建4项目(K46+930~K53+020)桥梁工程风险评估报告编制人:复核人:审核人:中铁二局工程有限公司陕西绥延高速公路土建4经理部2017年04月目录1编制依据................................................................................................................12桥梁概况................................................................................................................12.1项目概况.............................................................................................................12.2地形地貌.............................................................................................................12.3气象水文.............................................................................................................12.4工程地质及不良地质分析.................................................................................22.5设计概况.............................................................................................................22.6设计残留风险评估.............................................................................................22.7施工组织方案.....................................................................................................33风险评估程序和评估方法....................................................................................33.1风险评估总体思路.............................................................................................33.2风险评估组织机构.............................................................................................43.3风险等级标准及接受准则.................................................................................53.3.1事故发生概率..................................................................................................53.3.2事故发生后果概率..........................................................................................53.3.3风险等级标准..................................................................................................63.3.4风险接受准则..................................................................................................73.4风险评估流程及方法.........................................................................................73.4.1风险评估流程..................................................................................................73.4.2风险评估方法..................................................................................................84专项风险评估内容................................................................................................94.1专项风险评估总体思路.....................................................................................94.2施工作业程序分解...........................................................................................104.3风险辨识...........................................................................................................104.4风险分析...........................................................................................................114.5风险估测...........................................................................................................145风险控制措施及建议......................................