Schneider-Masterpact Breaker Role in Ft. Calhoun Nuclear Power Station Fire Appears Clear
The NRC said: “The finding stems from an NRC special inspection regarding an electrical fire that led to the declaration of an Alert at Fort Calhoun on June 7, 2011. The fire started in a replacement electrical breaker where poor alignment between components and inadequate maintenance increased the electrical resistance on some parts, causing them to heat up and fail. Soot and smoke from the resulting fire then knocked out power to a redundant electrical system used for distributing power to vital equipment needed for the safe shutdown of the plant. The plant was shut down at the time because of flooding along the Missouri River.
The fire resulted in the loss of spent fuel pool cooling for approximately 90 minutes and could have resulted in the loss of a safety function or multiple failures in systems used to mitigate a severe accident, had one occurred. In the…
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1.This Month
Zoom webinar – “Nuclear Winter: The Environmental Consequences of a Nuclear Exchange.”
April 7th at 11:30 am PST / 2:30 pm EST
“Nuclear Winter: The Environmental Consequences of a Nuclear Exchange”
Join us for an informative webinar with renowned atmospheric scientist, Professor Brian Toon, as he discusses the environmental risks and global impacts of a nuclear war. Despite the potential damage caused by the blast from even small nuclear weapons, many countries continue to invest in and expand nuclear arsenals. Professor Toon will provide a scientific assessment of civilian fatalities, agricultural failures, climate concerns, and complications with food supply that would follow any international nuclear conflict. We need to plan how to prevent nuclear conflict and avoid catastrophe. Politicians and military planners must be made aware of global climate and agricultural complications that would ensue. Don’t miss this opportunity to learn from, and engage in, this vital conversation.
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