Fort Calhoun Flood Disaster

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In a letter submitted Friday afternoon to internal investigators at the Nuclear Regulatory Commission, a whistleblower engineer within the agency accused regulators of deliberately covering up information relating to the vulnerability of U.S. nuclear power facilities that sit downstream from large dams and reservoirs. The letter also accuses the agency of failing to act to correct these vulnerabilities despite being aware of the risks for years. These charges were echoed in separate conversations with another risk engineer inside the agency who suggested that the vulnerability at one plant in particular -- the three-reactor Oconee Nuclear Station near Seneca, S.C. -- put it at risk of a flood and subsequent systems failure, should an upstream dam completely fail, that would be similar to the tsunami that hobbled the Fukushima Daiichi nuclear facility in Japan last year. That event caused multiple reactor meltdowns. Flood Threat To Nuclear Plants Covered Up By Regulators, NRC Whistleblower Claims Flood Threat To Nuclear Plants Covered Up By Regulators, NRC Whistleblower Claims
Nuclear power plant management turned over to Exelon
WSJ: Even though Ft. Calhoun reactor is in ‘shutdown’ it requires electricity to avoid melting of core
Fort Calhoun under new management Fort Calhoun under new management Exelon Generation is to take on the management of the Fort Calhoun nuclear power plant under an operating services agreement with Omaha Public Power District (OPPD). The plant has been offline since April 2011 and regulators must be satisfied with safety before restart. Fort Calhoun's single 478 MWe pressurised water reactor has been in an extended shutdown since April 2011, after flooding of the Missouri River interrupted a scheduled refuelling outage. Exelon Nuclear Partners, a division of Exelon Generation, has been assisting in the 'recovery' of the plant since January.
Electrical Fire Knocks Out Spent Fuel Cooling at Nebraska Nuke Plant Officials at Fort Calhoun plant in Omaha, Neb., said the situation at their plant came nowhere near to Japan’s Fukushima Daiichi plant, where uncooled spent fuel released radiation. They said it would have taken 88 hours for the heat produced by the fuel to boil away the cooling water. Fort Calhoun Nuclear Power Plant (OPPD/Nuclear) Electrical Fire Knocks Out Spent Fuel Cooling at Nebraska Nuke Plant
Reactor Accidents FLOOD at FORT CALHOUN Updated, Monday, June 27, 2011, 11:30 am. The situation at Fort Calhoun became more precarious Sunday as OPPD workers punctured the 8-foot water-filled berm protecting the reactor and other essential buildings (although the berm does not protect irradiated fuel stored in dry casks at the site). Reactor Accidents