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NRC Issues Confirmatory Action Letter to Fermi Nuclear Power Plant

Source: 
Targeted News Service (Press Releases)

WASHINGTON, Oct. 8 -- The Nuclear Regulatory Commission issued the following news release:

The U.S. Nuclear Regulatory Commission has issued a Confirmatory Action Letter to the operator of the Fermi 2 nuclear power plant, documenting the company's commitment to address degrading coatings in a portion of the plant's reactor containment.

The plant, operated by DTE Electric Company, is located in Newport, Mich., approximately 25 miles northeast of Toledo, Ohio.

The NRC raised questions regarding the degradation of the coating inside the torus, a donut-shaped component of the reactor containment located below the reactor vessel, during a May 2019 engineering inspection (https://www.nrc.gov/docs/ML1921/ML19211B289.pdf). In July, the NRC initiated a special inspection (https://www.nrc.gov/docs/ML1919/ML19192A219.pdf) to conduct an in-depth review of the issue. The NRC's conclusions will be documented in a publicly available inspection report.

The torus is designed to absorb energy from the reactor or supply water to safety systems during an accident. Partially filled with water, the inside of the torus is coated with paint to prevent corrosion. If the coating were to separate from the torus wall, the resulting debris could potentially affect the flow of water to safety-related equipment.

The NRC continues to ensure the licensee is operating the plant safely.

As a result of the questions raised during the NRC's inspections and subsequent DTE reviews, the company submitted a letter to the NRC committing to mitigate the degraded coating in the torus during the next refueling outage, to begin no later than April 30, 2020.

The NRC will review and evaluate DTE's actions in response to the CAL to make sure they are thorough and complete.

The CAL (https://www.nrc.gov/docs/ML1928/ML19280D881.pdf) can be found on the NRC website. (https://www.nrc.gov/)

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