Auxiliary building at Ft. Calhoun surrounded by water after berm failure — NRC letter said if water enters auxilary building, could have station blackout with core damage in hours

Sunday, June 26, 2011
By Paul Martin

ENENews.com
June 26th, 2011

Flood berm collapses at Nebraska nuclear plant, Associated Press, June 26, 2011:

[...] The [NRC] had inspectors at the plant 20 miles north of Omaha when the 2,000-foot berm collapsed about 1:30 a.m. Sunday. Water surrounded the auxiliary and containment buildings at the plant, it said in a statement. [...]
A Nuclear Plant’s Flood Defenses Trigger a Yearlong Regulatory Confrontation, New York Times, June 24, 2011:

[...] At 1,010 feet, water would begin to enter the auxiliary building, “shorting power and submerging pumps. The plant could then experience a station blackout with core damage estimated within 15 to 18 hours,” under a worst-case scenario, the NRC said. [...]

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