METAL/NONMETAL MINE FATALITY - On November 18, 2013, a 33-year old contract electrician foreman with 14 years of experience was injured at a crushed stone mine. The victim was working in a 480-volt electrical enclosure, pulling cable for a new pump that was being installed, when he contacted energized conductors. He was transported to a hospital where he died on November 22, 2013.
Ensure that persons are trained on all electrical tests and safety equipment necessary to safely test and ground the circuit where work is to be performed. Positively identify the circuit on which work is to be conducted. De-energize power and ensure that the circuit is visibly open for circuits being worked on and circuits near the work area. Lock and Tag! Place YOUR lock and tag on the disconnecting device. Use properly rated Personal Protective Equipment (PPE) including Arc Flash Protection such as a hood, gloves, shirt, and pants. Ensure ALL electrical components in the enclosure are de-energized by testing for voltage using properly rated test equipment. Install warning labels on the terminal covers of bottom feed circuit breakers warning that "Bottom terminal lugs remain energized when the circuit breaker is open."
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This is the 18th fatality reported in calendar year 2013 in metal and nonmetal mining. As of this date in 2012, there were 16 fatalities reported in metal and nonmetal mining. This is the 1st Electrical fatality in 2013. There were 0 Electrical fatalities in the same period in 2012.
The information provided in this notice is based on preliminary data ONLY and does not represent final determinations regarding the nature of the incident or conclusions regarding the cause of the fatality.
For more information:
MSHA's Fatal Accident Investigation Report