Friday, October 16, 2009

AP1000 Continues to Stumble


The nuclear reactor design that Florida Power & Light has chosen for its expansion at Turkey Point has safety flaws, federal regulators said Thursday.

The problem, according to the Nuclear Regulatory Commission, is weakness in a structure called the shield building. It is erected around an internal nuclear containment building primarily to protect it from natural disasters such as tornadoes and hurricanes.

In a letter to the Westinghouse Electrical Co., manufacturer of the reactor, the NRC said that part of its AP1000 reactor design did not withstand design loads. The agency said it would require additional analysis, testing and possibly redesign.

The US NRC doesn't like these guys! I was all hot on this design, but it seems to have it's troubles. Still, it's a matter of how you do your analysis. I always found the results could vary by a huge amount depending on your assumptions.

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