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3 Pennsylvania nuke plants preparing for flooding — ‘Abnormal operating procedure’ underway at Three Mile Island

Published: September 9th, 2011 at 9:23 am ET
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Pennsylvania nuclear plants prepare for possible flooding, Platts, September 8, 2011:

Nuclear power plants in Pennsylvania are preparing to cope with flooding, but none has declared a state of emergency, US Nuclear Regulatory Commission spokesman Neil Sheehan said Thursday.

All the Pennsylvania nuclear plants that could potentially be affected by flooding are in close communication with NRC, and with state and local officials, and the agency has resident inspectors at each plant who are monitoring the situation, Sheehan said. [...]

Three Mile Island-1, located along the Susquehanna River, 10 miles southeast of Harrisburg, PA

  • Plant began its abnormal operating procedure for river flooding early Wednesday
  • River is expected to crest Thursday at about 297 feet above sea level
  • If river reaches 300 feet above sea level, then plant would have to declare an unusual event
  • If river reaches 302 feet above sea level, plant would need to shut and an alert

Peach Bottom, 18 miles south of Lancaster, PA

  • The Conowingo Pond is expected to crest at 109 feet above sea level
  • Reactors required to be shut down if the pond reaches 111 feet above sea level

Susquehanna-1 and -2 units, about 70 miles northeast of Harrisburg, PA

  • The plant entered its abnormal operating procedure for flooding earlier Thursday
  • Susquehanna River is cresting at 39 feet above river level
  • “The biggest impact on the plant” might be on its water intakes

h/t Anonymous tip

Published: September 9th, 2011 at 9:23 am ET
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