Comment (14) of Peter Melzer on FR Doc # 2011-23706

Document ID: NRC-2011-0204-0018
Document Type: Public Submission
Agency: Nuclear Regulatory Commission
Received Date: November 14 2011, at 12:00 AM Eastern Standard Time
Date Posted: December 8 2011, at 12:00 AM Eastern Standard Time
Comment Start Date: September 16 2011, at 12:00 AM Eastern Standard Time
Comment Due Date: November 15 2011, at 11:59 PM Eastern Standard Time
Tracking Number: 80f6c32e
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Peter Melzer 109 Woodstock Dr. Charlottesville, VA 22901 Nov. 14, 2011 To: The U.S. Nuclear Regulatory Commission Re: Docket ID NRC–2011–0204; Title: NRC SEEKS PUBLIC INPUT ON DRAFT GENERIC LETTER REGARDING UPDATED SEISMIC ANALYSES FOR U.S. NUCLEAR REACTORS (No. 11-164: Proposed Generic Communication; Draft NRC Generic Letter 2011-XX: Seismic Risk Evaluations for Operating Reactors). Dear Sir/Madame: I am writing in response to your call for suggestions to the draft of a generic letter (Docket ID NRC–2011–0204) that the U.S. Nuclear Regulatory Commission (NRC) is planning to send to nuclear power station (NPS) operators with the request to re-evaluate their stations’ seismic safety/risk and provide that information to the NRC. I wish to use this opportunity to propose that the NRC kindly requests from the NPS operators to include in this re-evaluation three concerns of fundamental importance to seismic safety/risk: 1) seismic risk reduction through automatic seismic scram, 2) seismic risk re-evaluation of ultimate heat sinks, and 3) seismic risk re-evaluation of all structures, systems and components of the emergency core cooling system. My concerns are discussed in detail in the full letter attached. Thank you very much for your consideration. Faithfully yours, Peter Melzer

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