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Crane rigging failure

submitted by eric3579

3 years ago

crane
, hong kong

Fail

A tower crane dropped its load - a large excavator - into a tunnel lift shaft in Hong Kong due to poor rigging.

The incident occurred at a shaft in Ho Man Tin, halfway along a 3.9km tunnel which forms the major part of a new 4.7km long three lane highway connecting West Kowloon with the proposed Kai Tak Development.

The excavator was lifted by the tower crane servicing the shaft, and as the crane slewed over the top of the shaft the excavator began to tilt forward as the rigging was set too low on the machine, it eventually did a full somersault, slipped out of the slings and dropped down the shaft. Thankfully it all seemed to happen in slow motion and anyone that might have been in the way was able to get out of the way.