September 26, 2016 by Corinne Lynds
A tower crane operator had just finished hoisting formwork from the upper level of a concrete residential high-rise to its first level, and was hoisting the load block while advancing the trolley toward the mast. Without warning, the empty hook, load block, and rigging chains plummeted to the ground, the load line spooling around them. No workers were injured, but several were working in close proximity to the falling equipment.
For the full story, and a list of safe best practices for tower crane inspection and preventive maintenance on gear boxes, download the pdf here: