NLS2019042, Regulatory Commitment Related to Beyond Design Basis External Flooding
| ML19318D201 | |
| Person / Time | |
|---|---|
| Site: | Cooper  |
| Issue date: | 10/17/2019 |
| From: | Sullivan J Nebraska Public Power District (NPPD) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| NLS2019042 | |
| Download: ML19318D201 (3) | |
Text
NLS2019042 October 17, 2019 H
Nebraska Public Power District Always there whro ::,ou nud us U.S. Nuclear Regulatory Commission Attention: Document Control Desk 11555 Rockville Pike Rockville, MD 20852
Subject:
Regulatory Commitment Related to Beyond Design Basis External Flooding C6oper Nuclear Station, Docket No. 50-298, License No. DPR-46
References:
- 1. NPPD Letter to NRC, "Revision to Integrated Assessment for External Flooding," dated July 18, 2019
- 2. NPPD Letter to NRC, Nebraska Public Power District's Flood Hazard Reevaluation Interim Actions for Cooper Nuclear Station," dated June 4, 2014
- 3. NRC Letter, "Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3, and 9.3, of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident," dated March 12, 2012
Dear Sir or Madam:
In Reference 1, Nebraska Public Power District (NPPD) provided a revised integrated assessment for external flooding for Cooper Nuclear Station (CNS). Attachments 1 and 2 of the integrated assessment describe the site's response associated with installation and execution of the targeted hazard flood mitigation strategy for certain upstream system dam failure scenarios. The purpose of this correspondence is to docket NPPD's commitment to the following action:
NPPD will maintain a targeted hazard mitigation strategy for upstream system dam failure and subsequent flooding to preserve core cooling and spent fuel pool cooling.
This new regulatory commitment supersedes Commitments NLS2014052-01 and NLS2014052-02, made in Reference 2. These commitments were interim actions developed as required per, Requested Item 1.d, of Reference 3, to address higher re-evaluated flooding hazards until the integrated assessment for CNS was completed. Upon implementation of this new regulatory commitment, Commitments NLS2014052-01 and NLS2014052-02 will be closed.
Should you have any questions or require additional information, please contact Linda Dewhirst, Regulatory Affairs and Compliance Manager, at ( 402) 825-5416.
COOPER NUCLEAR STATION PO Box 98 / BrownYllle, NE 68321-0098 Telephone: (402) 825-3811 / Fax: (402) 825-5211 wwwnppdcom
NLS2019042 Page 2 of2 I declare under penalty of perjury that the foregoing is true and correct.
Executed on: /tJ- /'7-/9 Sincerely, General Manager of Plant Operations
/bk
Attachment:
List of Regulatory Commitments cc:
Regional Administrator, w/ attachment USNRC - Region IV Director, w/ attachment USNRC-0:ffice of Nuclear Reactor Regulation Cooper Project Manager w/attachment USNRC - NRR Plant Licensing Branch IV Senior Resident Inspector, w/ attachment USNRC-CNS NPG Distribution, w/ attachment CNS Records, w/ attachment
u.' i NLS2019042 Attachment Page 1 of 1 Attachment List of Regulatory Commitments This table identifies action discussed in this letter which Nebraska Public Power District (NPPD) commits to perform. Any other actions discussed in this submittal are described for Nuclear Regulatory Commission's information and are not regulatory commitments.
Tvpe Commitment/Commitment No.
One-Time Continuing Scheduled Completion Date Action Compliance NPPD will maintain a targeted hazard mitigation strategy for upstream system dam failure and subsequent flooding to preserve X
December 31, 2019 core cooling and spent fuel pool cooling.
NLS2019042-01