Thursday, November 4, 2010

Team checking insulation at plant


The Nuclear Regulatory Commission has dispatched a special inspection team to North Anna Power Station.

The agency announced yesterday that inspectors will be looking at a type of insulation used to wrap large pipes that carry coolant water for the plant's two nuclear reactors.

The inspection at the plant, near Mineral on Lake Anna in Louisa County, began Monday and is expected to last about a week.

Meanwhile, both units are shut down. The problem was first discovered in the containment area of Unit 1, which has been shut down since mid-September for refueling. Unit 2 was shut down last Tuesday after the insulation was discovered on pipes in Unit 1.

The NRC is concerned that if any of the wrapped pipes--which join the reactor vessel to the steam generator--burst, chunks of insulation could clog sump pumps that would carry away the spill.

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