Nuclear plant maintenance continues after shutting down one reactor

November 7, 2012

Officials at the Comanche Peak nuclear power plant south of Granbury are continuing maintenance to resolve an issue that prompted plant operators to manually shut down one of its two reactors early Friday morning.

The incident occurred at 1:42 a.m. Friday “following high temperature indications on a reactor coolant pump motor bearing,” according to Corporate Communications Manager Ashley Barrie of Dallas-based Luminant Generation Co., which operates the plant.

Information on the incident posted on the Nuclear Regulatory Commission’s website states that “conditions are stable” and “all safety systems functioned as designed.” It was categorized as a “non-emergency” incident.

“Both motor driven and the turbine driven auxiliary feed water pumps started as required to restore steam generator levels as a result of the (manual) trip,” the NRC report states.

Barrie said Monday that the maintenance procedures were continuing.

“We are currently looking into the cause and conducting maintenance to resolve the issue,” Barrie said. “We anticipate returning the unit to service as soon as this work is completed.”

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