Many fatalities are caused by cave-ins of trenches that have not been shored up. This case report is about a fatality that occurred because shoring had been put in place but not braced. The victim was a pipe welder with close to 20 years of experience. He was working inside an excavation on a project to lay pipe. He and three co-workers had been boring a hole under a road and pushing a 20-inch (50.8-centimeter) pipe casing into the hole. The trench they were standing in was about nine feet (2.74 meters) wide, 32 feet (9.75 meters) long and seven feet […]