on 1-10-05, He was driving a rock truck and was a process of hauling material from the electric shovel to the backstack area for dumping. At the dumpsite, as the bed was being raised up about 8 feet, the frame suddenly broke and the bed abruptly fell back down on the truck. The impact of the bed striking the frame caused his neck to take a hard jolt. miss work on 8/3/05