ML13030A430

Response to Request for Information Recommendation 2.1, Flooding, Required Response 1, Integrated Assessment Approach

ML13030A430
Person / Time
Site:	Calvert Cliffs, Nine Mile Point, Ginna
Issue date:	01/29/2013
From:	Spina J Constellation Energy Group, EDF Group
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML13030A430 (4)

Text

James A. Spina Vice President, Corporate Site Operations 100 Constellation Way Suite 200C Baltimore, Maryland 21202 410-470-5203 OENG-1 ajoint venture of 0l conswe~at w' -'-eDF EWne W 0 I January 29, 2013 U.S. Nuclear Regulatory Commission 11555 Rockville Pike Rockville, MD 20852 ATTENTION: Document Control Desk

SUBJECT:

Calvert Cliffs Nuclear Power Plant, Units 1 and 2 Renewed Facility Operating License Nos. DPR-53 and DPR-69 Docket Nos. 50-317 and 50-318 Nine Mile Point Nuclear Station, Units 1 and 2 Renewed Facility Operating License Nos. DPR-63 and NPF-69 Docket Nos. 50-220 and 50-4 10 R.E. Ginna Nuclear Power Plant Renewed Facility Operating License No. DPR-18 Docket No. 50-244 Response to Request for Information Recommendation 2.1, Flooding, Required Response 1, Integrated Assessment Approach

REFERENCES:

(a) Letter from E. J. Leeds (NRC) and M. R. Johnson (NRC) to All Power Reactor Licensees and Holders of Construction Permits in Active or Deferred Status, dated March 12, 2012, 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, ML12073A348 (b) NRC Japan Lessons-Learned Project Directorate, JLD-ISG-2012-05, Guidance for Performing the Integrated Assessment for External Flooding, Interim Staff Guidance, Revision 0, dated November 30, 2012, ML12311A214 (c) Letter from D. L. Skeen (NRC) to J. E. Pollock (NEI), dated December 3, 2012, Trigger Conditions for Performing an Integrated Assessment and Due Date for Response, ML12326A912

Document Control Desk January 29, 2013 Page 2 On March 12, 2012, the Nuclear Regulatory Commission (NRC) issued Reference (a) to request information associated with the Near-Term Task Force (NTTF) Recommendation 2.1 for flooding. One request was for licensees to submit an approach for developing an Integrated Assessment Report, including criteria for identifying vulnerabilities, within 60 days after issue of the NRC's guidance on the subject. Reference (b) provided that guidance on November 30, 2012.

Nine Mile Point Nuclear Station, R.E. Ginna Nuclear Power Plant, and Calvert Cliffs Nuclear Power Plant will use the Reference (b) guidance as the approach for developing the NTTF 2.1 Flooding Integrated Assessment Report if the reevaluated flooding hazard is not bounded by the current design basis flooding evaluation.

Nine Mile Point Nuclear Station, R.E. Ginna Nuclear Power Plant, and Calvert Cliffs Nuclear Power Plant will use the guidance provided by Reference (c) regarding the trigger conditions and scope of any required integrated assessment.

This letter contains regulatory commitments as listed in Attachment (1).

If there are any questions regarding this submittal, please contact Everett (Chip) Perkins everett.perkinsacengllc.com at 410-470-3928.

I declare under penalty of perjury that the foregoing is true and correct. Executed on January 29, 2013.

Sincer Ja s A. Spina JAS/EMT/bjd

Attachment:

(1) Regulatory Commitments Contained in this Correspondence cc: B. K. Vaidya, NRC Resident Inspector, Calvert Cliffs M. C. Thadani, NRC Resident Inspector, Ginna N. S. Morgan, NRC Resident Inspector, Nine Mile Point W. M. Dean, NRC S. Gray, DNR

ATTACHMENT (1)

REGULATORY COMMITMENTS CONTAINED IN THIS CORRESPONDENCE Constellation Energy Nuclear Group, LLC January 29, 2013

ATTACHMENT (1)

REGULATORY COMMITMENTS CONTAINED IN THIS CORRESPONDENCE The following table identifies actions committed to in this document. Any other statements in this submittal are provided for information purposes and are not considered to be regulatory commitments.

REGULATORY COMMITMENT DUE DATE Use the JLD-ISG-2012-05 guidance as the approach for When the assessment report is developing the NTTF 2.1 Flooding Integrated Assessment developed.

Report if the reevaluated flooding hazard is not bounded by the current design basis flooding evaluation.

Use the guidance in the D. L. Skeen letter to NEI to When the assessment report is determine trigger conditions and scope of any required developed.

integrated assessment.

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