1.1 本吊装方案是据已批准的银行大厦二层楼面以上钢结构深化图而编制。劲性柱从6.39米标高到六楼+22.95m,柱距分别为8米和24米,H轴线与E轴线的跨距为24米。总吨位约280吨左右,与建筑结构同步分阶段施工。该工程的钢结构劲性柱、梁有专业的钢结构公司承建,承建范围为施工图深化、劲性柱、梁桁架制造加工、运输和安装。针对该工程的特点和现场的特定条件作如下的钢结构劲性柱、梁桁架工程的吊装专项方案(+6.39m以下吊柱及钢梁已按相应吊装方案施工完毕)。
目 录
一、工 程 概 况···································1
二、主要吊装机械选择····························6
三、主要吊装机械性能考核························7
四、执 行 规 范 和 标 准····························11
五、工 程 质 量 和 安 全 目 标······················12
六、施 工 总 进 度 计 划······················13
七、工程质量保证体系流程·······················14
八、项目管理网络及施工组织·····················15
九、吊 装 准 备 ····································17
十、劲性柱安装·····························19
十一、钢 桁 架 安 装····························25
十二、钢结构安装质量控制点·················26
十三、劳 动 组 织 及 用 工 计 划····················27
十四、主 要 机 具 计 划·····························27
十五、安 全 技 术 保 证 措 施·······················29
十六、现场安全用电技术措施··················31
十七、安 全 技 术 保 证 措 施·······················32
十八、附高处坠落事故应急准备与响应预案··············35