ML14167A344

Extension Request - Response to March 12, 2012, Request for Information Enclosure 2, Recommendation 2.1, Flooding, Required Response 2, Flooding Hazard Reevaluation Report

ML14167A344
Person / Time
Site:	Fort Calhoun
Issue date:	06/05/2014
From:	Cortopassi L P Omaha Public Power District
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
LIC-14-0078
Download: ML14167A344 (4)

Text

WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390 ENCLOSURE 2 CONTAINS SECURITY-RELATED INFORMATION.

UPON REMOVAL OF ENCLOSURE 2, THIS LETTER IS DECONTROLLED.

UPPAW Omaha Public Power Distct 444 South 1 eh Street Mall Omaha, NE 68102-2247 10 CFR 50.54(f)LIC-14-0078 June 5, 2014 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Fort Calhoun Station, Unit No. 1 Renewed Facility Operating License No. DPR-40 NRC Docket No. 50-285

Subject:

Extension Request -Response to March 12, 2012, Request for Information , Recommendation 2.1, Flooding, Required Response 2, Flooding Hazard Reevaluation Report

References:

See Page 3 On February 26, 2014, OPPD requested NRC approval to extend the scheduled submittal date for the FCS Flooding Hazard Reevaluation Report to ten (10) months after data from the USACE System Dam Failure Analysis was received (Reference 1). Reference 2 transmitted the USACE System Dam Failure Analysis to OPPD on April 4, 2014. Reference 3 summarizes a closed meeting between the NRC and OPPD in which OPPD provided a strategy for mitigating the effects of beyond design basis floods up to a certain flood level for FCS. In Reference 4 OPPD provided a timeline for implementing these strategies.

Attachment 1 to Reference 4 provided a list of the actions taken or planned to be taken along with additional supporting details and the dates by which they have or will be implemented.

Reference 5 documents the NRC inspection of interim mitigation actions for potential flooding hazards in which no findings were identified.

OPPD is in the process of assessing our strategies discussed in References 3 and 4 factoring in the information provided in Reference

2. Enclosure 1 to this letter contains new regulatory commitments.

These new regulatory commitments supersede the commitments in Reference 4 for reasons explained in Enclosure

2. Enclosure 2 provides the status of and information from the assessment of flooding mitigation strategies.

If you should have any questions regarding this submittal or require additional information, please contact Mr. Bill R. Hansher at (402) 533-6894.WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390 ENCLOSURE 2 CONTAINS SECURITY-RELATED INFORMATION.

UPON REMOVAL OF ENCLOSURE 2, THIS LETTER IS DECONTROLLED.

Employment with Equal Opportunity WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390 ENCLOSURE 2 CONTAINS SECURITY-RELATED INFORMATION.

UPON REMOVAL OF ENCLOSURE 2, THIS LETTER IS DECONTROLLED.

U. S. Nuclear Regulatory Commission LIC-14-0078 Page 2 I declare under penalty of perjury that the foregoing is true and correct. Executed on June 5, 2014.Respectfly, Louis P. Cortopassi Site Vice President and CNO LPC/JKG/brh

Enclosures:

1. Summary of Regulatory Commitments

2. Higher Flood Hazards Relative to Design Basis c: E. J. Leeds, Director of Office of Nuclear Reactor Regulation (w/o Enclosure 2)M. L. Dapas, NRC Regional Administrator, Region IV J. W. Sebrosky, NRC Senior Project Manager J. C. Kirkland, NRC Senior Resident Inspector WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390 ENCLOSURE 2 CONTAINS SECURITY-RELATED INFORMATION.

UPON REMOVAL OF ENCLOSURE 2, THIS LETTER IS DECONTROLLED.

WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390 ENCLOSURE 2 CONTAINS SECURITY-RELATED INFORMATION.

UPON REMOVAL OF ENCLOSURE 2, THIS LETTER IS DECONTROLLED.

U. S. Nuclear Regulatory Commission LIC-14-0078 Page 3

References:

1. Letter from OPPD (L. P. Cortopassi) to NRC (Document Control Desk), Extension Request -Response to March 12, 2012, Request for Information Enclosure 2, Recommendation

2. 1, Flooding, Required Response 2, Flooding Hazard Reevaluation Report, dated February 26, 2014, Accession No. ML14058A225 (LIC-14-0010)

2. NRC Letter, Fort Calhoun Station, Unit No. 1 -Redacted Letter, Transmittal of U.S. Army Corp of Engineers Flood Hazard Reevaluation Information (TAC No. MF3036), dated April 4, 2014, Accession No. ML 14091A345 3. NRC Letter, Summary of Closed Meeting Held on April 22, 2013, with Omaha Public Power District to Discuss Means for Protecting Fort Calhoun Station Unit 1 , Against Flooding (TAC No. MF0598), dated April 25, 2012 (ML13114A881)

4. Letter from OPPD (L. P. Cortopassi) to NRC (Document Control Desk), Superseding Omaha Public Power District's (OPPD) Response to NRC Request for a Timeline to Implement Strategies at Fort Calhoun Station Unit 1 to Address Higher Flooding Hazards Relative to the Design Basis, dated October 26,2013, (ML1 331 0A889) (LIC-13-0140)

5. NRC Letter, Fort Calhoun Station -Integrated Inspection Report Number (05000285/2013019)

Errata, dated May 20, 2014, (ML14140A572)

WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390 ENCLOSURE 2 CONTAINS SECURITY-RELATED INFORMATION.

UPON REMOVAL OF ENCLOSURE 2, THIS LETTER IS DECONTROLLED.

WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390 ENCLOSURE 2 CONTAINS SECURITY-RELATED INFORMATION.

UPON REMOVAL OF ENCLOSURE 2, THIS LETTER IS DECONTROLLED.

U. S. Nuclear Regulatory Commission LIC-14-0078 Enclosure 1 Summary of Regulatory Commitments The following table identifies commitments made in this document. (Any other actions discussed in the submittal represent intended or planned actions. They are described to the NRC for the NRC's information and are not regulatory commitments.)

COMMITMENT COMMITTED DATE COMMITMENT TYPE OR "OUTAGE" One-Time Programmatic Action (Yes/No)(Yes/No)Formalize a process to monitor Missouri July 31, 2014 Yes No River basin conditions Complete Gap Analysis and identification July 31, 2014 Yes No of the actions necessary to close the identified gaps Develop a resource loaded schedule for August 31, 2014 Yes No full implementation of the interim strategy before the Spring 2015 refueling outage WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390 ENCLOSURE 2 CONTAINS SECURITY-RELATED INFORMATION.

UPON REMOVAL OF ENCLOSURE 2, THIS LETTER IS DECONTROLLED.