北京城建五司防止一起塔吊断臂事故邬永吉１９９６年８月２５日，在北京城建五公司承建的小黄庄危房改造２０号楼工地上，呈现一派紧张而有序的施工景象。下午一上班，塔吊司机刘永华和陈希福分别登上了各自的塔吊，开始吊装作业。由于两台塔吊在同一栋号作业，需要保持安... Beijing Urban Construction and Five Division to prevent a crane hanging arm accident Wu Yongji August 25, 1996, in the construction of five companies in Beijing Small Huang Zhuang reconstruction of dangerous buildings on the site of 20 buildings, showing a nervous and orderly construction scene. One afternoon at work, tower crane drivers Liu Yonghua and Chen Xifu were boarded their own tower crane, began lifting operations. As two cranes in the same building operation, need to maintain safety ...