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Two contract workers burned at TVA’s Sequoyah Nuclear Power Plant via Times Free Press

Turbine problem shuts down Browns Ferry nuclear facility

Two contract workers were burned from an arc flash while working near the cooling towers of a Tennessee Valley Authority nuclear plant over the weekend.

The workers employed by Day & Zimmerman at the Sequoyah Nuclear Power Plant near Soddy-Daisywere hospitalized Friday night for first- and second-degree burns.

The Nuclear Regulatory Commission said in an incident report that both workers were transported to a hospital for treatment. Neither worker was shocked nor contaminated by any radiation from the 6.9 kilovolt electrical bus they were working on during the accident.

“The cause of the arc flash is not understood at this time; an accident investigation has been initiated by TVA,” the NRC said in its report on the incident.

[…]

An arc flash is the light and heat produced as part of an arc fault — essentially an electrical discharge. Unlike a shock, a person does not have to touch an electrical conductor. The heat from an electrical arc can result in burn injuries.

[…]

VA also said Monday that its oldest nuclear reactor shut down midday Sunday due to a turbine control problem.

The Unit 1 reactor at the Browns Ferry plant near Athens, Ala., was automatically taken off line shortly after noon, EDT, Sunday following a problem detected with the main turbine control logic.

Read more at Two contract workers burned at TVA’s Sequoyah Nuclear Power Plant 

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