Forklift training anyone? Watch as this row of pallet rack collapses like dominoes. I’m not an engineer, nor do I play one on TV, but an engineer told me that pallet rack failure can be caused by a number of things including overloading of racks, improper anchoring, impact by a fork lift, etc. Proper fork lift training, replacing damaged rack, adding rack reinforcement and guarding (column guards, end of aisle protection) will help reduce the chances of warehouse shelving collapse.