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December 25, 2019

How do you try out hazardous energy systems?

Two maintenance men at an electric power generation plant removed a check valve cover from a steam system. The section of the steam line was isolated and tagged, but it could not be vented or drained first. The section was only partially depressurized when the cover was loosened. When the employees removed all fasteners holding the cover in place, it blew off, and the steam line sprayed the two employees with steam and hot water. The employees were wearing safety glasses and work gloves, but were not using any other shielding or protective clothing. The employees received second degree burns over 20 percent of their bodies.
Source: osha.gov

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