Metal and Nonmetal Mine Safety and Health Report of Investigation: Underground Nonmetal Mine (Limestone) Fatal Fall of Rib Accident, April 11, 2014, Mississippi Lime Company, Mississippi Lime Company-Ste. Genevieve, Ste. Genevieve, Ste. Genevieve County, Missouri. Mine I.D. 23-00542

摘要

On April 11, 2014, Christopher R. Rawson, Utility/Boom Operator, age 29, and John E. Hahl, Utility/Boom Operator, age 53, were killed when a section of rock fell from a rib and struck an outrigger on a boom truck. The miners were working in the 120 bench top area using scaling bars to manually scale a pillar while standing in a man basket on a Hi-Ranger boom mounted to the back of an International truck. The miners were approximately 38 feet above the mine floor. Approximately 25 tons of material fell with about 2 1/2 to 5 tons of the material striking the outrigger.