MI Nuke Offline for Maintenance

Friday, October 7, 2016 @ 02:10 PM gHale

The Unit 2 reactor at the Cook Nuclear Plant in Bridgman, MI, shut down for a planned refueling and maintenance outage, but during the idle time plenty of work will be going on.

During the outage, work will include a $250 million project to replace the reactor’s high-pressure turbine and all three low-pressure turbines, said plant spokesman Bill Schalk.

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That work has been in planning stages for more than five years, he said. The reactor should return to service by the end of the year.

Also during the outage, two 40-ton heat exchangers will end up replaced.

Other planned work during the outage will include the inspection and replacement of the reactor’s baffle bolts, which support the internal components, he said. The bolts work originally was on the boards for 2019, but was put on the fast track due to the discovery of some degraded bolts.

“The new turbine will provide reliable generation for decades to come, and taking action now on the baffle bolt issue will begin the overall resolution of this important matter,” said Joel Gebbin, senior vice president and chief nuclear officer for AEP, which owns Indiana Michigan Power.

About 2,500 contracted workers will assist the plant’s 1,200 employees during the outage, Schalk said.

There are two reactors at the plant. Unit 1 remains in operation.