Metal and Nonmetal Mine Safety and Health Report of Investigation: Surface Metal Mine, (Copper) Fatal Fall of Person Accident, September 22, 2012, Tetra Tech Construction Services, Contractor ID No. A0830 at BHP Copper Inc., Pinto Valley Operations, Miami

摘要

Jon Vanoss, contractor laborer, age 34, was killed on September 22, 2012, when he fell through an opening on the 4th floor of the secondary crusher building and landed approximately 30 feet below. The opening was covered with 2-inch by 4- inch by 102-inch boards and -inch thick plywood that was being used as a work platform. When the victim stepped onto the platform, two of the boards broke and he fell. A screen was attached over the 6-foot by 8-foot opening but had been removed for repairs.