Ensure machine and equipment guards remain in place.Train employees in the recognition and control of hazards.Ensure that equipment is turned off and disconnected from its energy sources before cleaning or maintenance.In this example, the worker died when he was pulled into a mortar mixer that was actively operating and not locked out. A safety procedure that applies to this case is “lockout/tagout,” which requires turning off and disconnecting machinery or equipment from its energy source(s) before performing service or maintenance. Workers must be trained in safety procedures. Rescue workers dismantled the drive mechanism to reverse the mixing paddles and extricate the worker. Emergency medical services was called and responded within minutes. A co-worker heard the commotion, ran to the machine and shut it off. He ran to the mixer and attempted to turn it off, but could not disengage the gears, so he yelled for help. A painter working near the victim heard yells for help and saw the victim’s arm stuck in the machine and his body being pulled into the rotating mixer paddles. The victim was cleaning the mixer at the end of his shift to prepare it for the following day. OSHA’s Hazard Alert: Dangers of Engulfment and Suffocation in Grain BinsĪn 18-year-old worker died after becoming entangled in a portable mortar mixer at a residential construction site. OSHA’s Grain Handling Facilities Safety and Health Topics Page OSHA Regional News Release, November 23, 2009 Ensure a permit is issued for each instance a worker enters a bin or silo, certifying that the precautions listed above have been implemented. If toxicity or oxygen deficiency cannot be eliminated, workers must wear appropriate respirators.
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