Miami — Officials of the Federal Mine Safety and Health Administration have released their preliminary report into the Sept. 22, 2012 death of a construction worker at the Pinto Valley Mine’s $190 million restart project west of Miami. The individual was 34-year-old Jon-Pierre Vanoss, a contract laborer who was an employee of Tetra Tech Construction, Inc. of Phoenix.
According to the MSHA report, Vanoss was assigned to fire watch duties and welding at a discharge chute at the open pit mine when he was found around 2:40 p.m. by co-workers some 30 feet below.
The fatality has been classified as “slip or fall of a person.”
A medical examination was conducted and the incident is still under investigation.
There were 70 persons working in the area at the time. According to the report there are 525 contract workers and 314 regular employees at BHP Billiton’s Pinto Valley Mine.