What’re the factor to cause the crane’s accident?
1. equipment factor:
a. the slings for lifting loads work unsuccessfully such as the damage of lifting hook, crab, steel rope or net to cause the weight drops.
b. the operating system failure and safety device failure of gantry crane cause accident, for example, the brake failure.
c. the components’ strength is not enough to cause accident.
d. the electrical equipment cause the electric shock.
e. because of the rail gnaw, over abrasion or bending cause the overhead crane slips from the rails.
2. environment factor
a. because of light, wind, tornado, typhoon or earthquake cause the cranes go off the rails, collapse or tip-over.
b. because of crowd and disorder site cause the collision or extrusion.
c. because of the light
