A 32-year-old laborer for a boring and tunneling company died when he was struck with a hydraulic hose. The victim was part of a work crew digging a tunnel and inserting a 54-inch (1.4-meter) casing. They were using two hydraulic jacks, laid horizontally and connected by hydraulic lines. The jacks, which were each marked to withstand 3,500 psi (pounds per square inch), were used to push the pipe into the tunnel one section at a time. The man was standing next to the jack. The male end of the coupling split in half and the female end flew up and struck […]