Cranes collapse while lifting large panel - GIF

Cranes collapse while lifting large panel.

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Previously:

Cranes collapse while rescuing tractor trailer - GIF
Multiple cranes collapse - video and photos
Big Blue crane collapse - GIF
Crane collapses while lifting jumbo jet - GIF

Double crane pick on a moving platform (a barge)? They practically asked for this.

What happens when these accidents happen? Do the guys lose their license? Who investigates, OSHA? I would guess that almost all of these are because of Something not properly prepared or carried out.

Surely the barge has spuds? Why would you expect a vessel on the water to NOT roll when the weight moves to one side?