SEVERAL MECHANICS WERE USING AN ELECTRIC HOIST TO LIFT A PUMP UP TO THE THIRD FLOOR OF THE MVO BUILDING. AFTER HOOKING UP THE PUMP, THE INJURED STARTED UP THE STAIRS. AS HE REACHED THE SECOND FLOOR HE SAW THE PUMP HIT AN I-BEAM AND SNAP THE CHOKER, CAUSING THE PUMP TO FALL. HE RAN BACK DOWN THE STAIRS TO CHECK ON THE MECHANICS ON THE BOTTOM FLOOR AND FELT A SLIGHT PAIN IN HIS KNEE.