47. Tower Crane Erection & Dismantling

47. Tower Crane Erection & Dismantling Erection/climbing/dismantling of tower cranes is a potentially hazardous process involving working at heights, awkward postures, lifting and aligning components of significant size and mass and installing temporary support systems. These are all performed under significant time pressure. Persons undertaking the work should be competent in the tasks they will…

더 보기