A poorly-supported trailer tipped over and crushed a worker who was operating a sandblaster underneath it. The sandblasting was being done in preparation for painting the metal storage trailer. The trailer was supported by a temporary axle wheel assembly at the rear and one support leg at the front corner. A gasoline-powered air compressor was being used to blast grains of silica onto the metal underside of the trailer to remove old paint and rust. The worker's supervisor, driving past the trailer as he left the worksite for lunch, saw the trailer was upright. He heard noise and saw dust coming from […]