ET 14-0012, Flood Hazard Reevaluation Report in Response to NRC Request for Information Regarding Recommendation 2.1, Flooding, of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident

Flood Hazard Reevaluation Report in Response to NRC Request for Information Regarding Recommendation 2.1, Flooding, of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident

ML14077A280
Person / Time
Site:	Wolf Creek
Issue date:	03/10/2014
From:	Broschak J Wolf Creek
To:	Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML14077A278	List: ET 14-0012, Flood Hazard Reevaluation Report in Response to NRC Request for Information Regarding Recommendation 2.1, Flooding, of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident ML14077A281
References
ET 14-0012
Download: ML14077A280 (4)

Text

W LF CREEK ucLEAR OPERATING CORPORATION John P. Broschak Vice President Engineering March 10, 2014 ET 14-0012 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

References:

1) Letter dated March 12, 2012 from E. J. Leeds and M. R. Johnson, USNRC, to M. W. Sunseri, WCNOC, "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."

2) Letter dated May 11, 2012 from E. J. Leeds, USNRC, to M. W.

Sunseri, WCNOC, "Prioritization of Response Due Dates for Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Flooding Hazard Reevaluations for Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima Dai-Ichi Accident"

Subject:

Docket No. 50-482: Wolf Creek Nuclear Operating Corporation's Flood Hazard Reevaluation Report in Response to NRC Request for Information Regarding Recommendation 2.1, Flooding, of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident Gentlemen:

On March 12, 2012, the Nuclear Regulatory Commission (NRC) issued Reference 1 to Wolf Creek Nuclear Operating Corporation (WCNOC). Enclosure 2 of Reference 1 contains specific Requested Actions, Requested Information, and Required Responses associated with Near-Term Task Force Recommendation 2.1, Flooding. This letter provides WCNOC's Flood Hazard Reevaluation Report. Recommendation 2.1, Flooding, Enclosure 2, Required Response item 2 of Reference 1, requires that, in accordance with the NRC's prioritization plan, WCNOC submit the Hazard Reevaluation Report, including the interim action plan required in Item 1.d, if appropriate On May 11, 2012, the NRC issued the prioritization plan of response due dates regarding flooding hazard evaluations (Reference 2). Enclosure 1 of that letter prioritized WCNOC as a Category 2 Site. Category 2 Sites are required to submit the Flooding Hazard Reevaluation Report by March 12, 2014.

P.O. Box 411E/Burlington, KS 66839E/Phone: /FHoC(620)M364-8831 An Equal Opportunity Employer M/F!HCNVET t_ Z

ET 14-0012 Page 2 of 3 The enclosure to this letter provides WCNOC's Flood Hazard Reevaluation Report. As noted in Section 5.0 of the enclosure, the current design basis floods do not bound the reevaluated hazard. As such, WCNOC will complete an Integrated Assessment and provide written responses to Requested Information Item 2 from Enclosure 2 of Reference 1 within 2 years of this submittal.

The attachment to this letter provides a list of the interim action commitments that will be taken in association with the Near Term Task Force Recommendation 2.1 Flood Hazard Reevaluation Report and the implementation dates for those interim actions. WCNOC commits to notify the NRC project manager for Wolf Creek Generating Station in advance if any of the interim actions or implementation dates will be modified.

If you have any questions concerning this matter, please contact me at (620) 364-4085, or Mr.

Michael J. Westman at (620) 364-4009.

Sincerely, John P. Broschak JPB/rlt Attachment Enclosure cc: M. L. Dapas (NRC), w/a, w/e C. F. Lyon (NRC), w/a, w/e N. F. O'Keefe (NRC), w/a, w/e Senior Resident Inspector (NRC), w/a, w/e

ET 14-0012 Page 3 of 3 STATE OF KANSAS )

ss COUNTY OF COFFEY )

John P. Broschak, of lawful age, being first duly sworn upon oath says that he is Vice President Engineering of Wolf Creek Nuclear Operating Corporation; that he has read the foregoing document and knows the contents thereof; that he has executed the same for and on behalf of said Corporation with full power and authority to do so; and that the facts therein stated are true and correct to the best of his knowledge, information and belief.

Joly. Broschak Vid,:resident Engineering SUBSCRIBED and sworn to before me this 104 day of (O.lk ,2014.

I c .LE L -"'I12-. : ,*D ,E= No ublic i1z27zry L;/s 4fC, I Expiration Date Expirationq Date '5

Attachment to ET 14-0012 Page 1 of 1 Wolf Creek Generating Station Flood Hazard Reevaluation Interim Action Commitments Item Interim Actions Report Additional Items Implementation Number Taken or Planned to Reference Date Take as Included In the Reevaluation Report Implement temporary 4.2 Local Identify locations requiring April 11, 2014 measures to mitigate Intense temporary mitigation ponding. These Precipitation, measures.

measures must Page 41 Develop station June 5, 2014 remain in effect while procedure(s) for an integrated deployment of temporary assessment is mitigation measures.

conducted.

Stage temporary June 5, 2014 mitigation measures.

Train personnel in the June 5, 2014 proper deployment of temporary mitigation measures.

2 Implement temporary 4.4 Evaluate whether March 1, 2015 measures to mitigate Conclusions, temporary mitigation is potential static and Page 48 required for potential dynamic loading of the static and dynamic ESWS pumphouse. loading of the ESWS These measures must pumphouse.

remain in effect while Implement temporary September 1, an evaluation of mitigation if required for 2015 potential static and potential static and dynamic loading of the dynamic loading of the ESWS pumphouse is ESWS pumphouse.

conducted.