Metal and Nonmetal Mine Safety and Health Report of Investigation: Underground Nonmetal Mine (Limestone) Fatal Fall of Roof Accident, April 25, 2011, Subtropolis Mine, Subtropolis Mining Co., Petersburg, Mahoning County, Ohio, MSHA I.D. No. 33-04547

摘要

On April 25, 2011, Jason E Gudat, driller, age 31, was killed when a slab of roof struck him. He was walking through 34 cross cut when a slab of rock approximately 6 feet long by 5 feet wide by 12 inches thick fell. The accident occurred because management policies, procedures, and controls were inadequate. The area where the rock fell was not examined and tested by an experienced person designated by the mine operator prior to work commencing. Additionally, procedures to ensure that persons scale loose ground and drill and bolt laminated roof areas were not followed.