EE WAS SETTING IN A CHAIR AT LOADOUT, THE BOTTOM OF THE CLEAN COAL BIN FAILED STRUCTURALLY AND SPERATED AT A BOLTED CONNECTION, COLLAPSED ON A RAILROAD CAR RESULTING IN THE STRUCTURE OF THE OF THE EE'S WORK AREA TO MOVE VIOLENTLY CAUSING EE'S KNEE TO IMPACT A FIXED OBJECT AND WHIPLASH TYPE INJURY TO NECK.