ML062360156
| ML062360156 | |
| Person / Time | |
|---|---|
| Site: | Cooper  |
| Issue date: | 08/09/2004 |
| From: | Minahan S Nebraska Public Power District (NPPD) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2006-0007 | |
| Download: ML062360156 (2) | |
Text
Nebraska Public Power District AluMs the wken you need us NLS2004106 August 9, 2004 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555-0001
Subject:
Information to Support Significance Detennination of Service Water to Gland Water Cross Divisional Alignment Cooper Nuclear Station, Docket 50-298, DPR-46 The purpose of this letter is for the Nebraska Public Power District (NPPD) to provide information to the Nuclear Regulatory Commission (NRC) and respectfully request NRC review and consideration of the attached information as part of the significance determination of the service water (SW) to gland water (GW) cross divisional alignment condition that existed at Cooper Nuclear Station.
Providing information at this time is consistent with the NRC's awareness that NPPD has been obtaining pump vendor infonnation that supports operation of the SW pumps without GW for a limited amount of time, beyond what was originally, considered in the risk assessment that was perfbnned when the condition was first discovered. It is NPPD's understanding that t(le NRC will consider this information in its preliminary significance detennination of the condition and prior to reaching a final conclusion on whether a regulatory conference is necessary to further address this matter.
The infonnation transmitted in this letter is contained in three Attachments and one Enclosure. Attachment I provides a risk assessment. Attachment 2 provides a description of operator recognition and response to address the SW/GW condition for the two most significant events identified by the risk assessment. Attachment 3 provides an engineering evaluation of SW pump performance. which includes a report from the pump vendor as an Enclosure.
NPPD sincerely believes that NRC consideration of this intbrmation is consistent with the Significance Determination Process (SDP) and Regulatory Oversight Process (ROP) in that it will help ensure a better understanding of the risk significance of the issue.
CDOPERNuaIEARS1A1ON i
P.O. Box 98 / Brownv'lle, NE 68321-0098 Telephone: (402) 825-3811/ Fax* (402) 825-5211 www.nppd.com
NLS2004106 Page 2 of 2 If you have any questions regarding this submittal please call Paul Fleming, Licensing Manager, at (402) 825-2774.
Sincerely,
- ,1 iatB. Minahan General Manager of Plant Operations
/pvf Attachments cc:
Regional Administrator, Region IV w/attachments U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011 Senior Project Manager w/attachments U SNRC - NRR Project Directorate IV-I Kriss Kennedy w/attachments Chief, Branch C U.S. Nuclear Regulatory Commission Region IV Senior Resident Inspector w/attachments USNRC NPG Distribution w/attachments Records w/attachments