长沙汽车站网架杆件更换及防腐涂装工程施工方案2010-6-25目录1、工程概况...............................................11.1网架杆件更换..................................................11.2整体网架表面清理与防腐涂装。..................................11.3现场防护要求..................................................12、网架杆件更换...........................................32.1网架杆件加工..................................................32.1.1杆件加工制作流程图.........................................32.1.2杆件加工制作流程...........................................42.1.3杆件加工的质量控制与检验...................................62.1.4涂装要求..................................................82.1.5网架杆件运输...............................................82.2网架杆件安装更换..............................................92.2.1螺栓球网架节点端部处理示意图...............................92.2.2杆件安装更换前的准备工作..................................102.2.3杆件更换..................................................152.2.4卸载......................................................162.2.5更换杆件复核..............................................162.3网架安装的质量控制...........................................163、涂装方案..............................................173.1操作工艺.....................................................173.1.1工艺流程..................................................173.1.2、基面清理................................................183.1.3底漆涂装..................................................183.1.4面漆涂装..................................................183.1.5涂层检查与验收............................................193.2质量标准.....................................................193.2.1涂装材料..................................................193.2.2防腐涂装..................................................203.4、成品保护....................................................203.5、应注意的质量问题............................................214、施工计划..............................................214.1作业时间安排.................................................214.2确保进度的措施...............................................215、施工安全..............................................215.1安全方针和目标...............................................215.2危险作业区域划定.............................................225.3高处作业的人员安全要求.......................................226、现场文明施工措施......................................226.1施工标牌.....................................................226.2施工区域材料（工具）存放.....................................236.3其他要求.....................................................237、突发事件应急处理措施..................................237.1防止支点下沉，控制网架挠度...................................237.2突发安全事故处理.............................................24第1页共31页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共31页1、工程概况本工程为长沙汽车南站螺栓球网架维护工程维护项目。1.1网架杆件更换（1）更换规格与数量网架杆件共更换根；其中：48*3.5更换为6.*3.5根；60*3.5更换为75.5*3.75根；75.5*3.75更换为89*4根。（2）更换部位与数量上弦杆件更换根；上弦杆件更换根；下弦杆件更换根；腹杆杆件更换根；1.2整体网架表面清理与防腐涂装。（1）表面清理与除锈质量要求1）人工清理与除锈质量等...
