Flood berm collapsed after being punctured by an unidentified piece of machinery: OPPD

Published: June 26th, 2011 at 6:57 pm ET
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Flood berm bursts at Nebraska nuclear plant, CNN, June 26, 2011:

A water-filled berm protecting a nuclear power plant in Nebraska from rising floodwaters collapsed Sunday, according to a spokesman, who said the plant remains secure.

Some sort of machinery came in contact with the berm, puncturing it and causing the berm to deflate, said Mike Jones, a spokesman for the Omaha Public Power District (OPPD), which owns the Fort Calhoun plant. [...]

The 6 to 12 inches of rainfall in the upper Missouri basin in the past few weeks is nearly a normal year’s worth, and runoff from the mountain snowpack is 140% of normal, according to forecasters.

Published: June 26th, 2011 at 6:57 pm ET
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