ML12339A349

Response to 10 CFR 50.54(f) Request for Information, Recommendation 2.3, Seismic

ML12339A349
Person / Time
Site:	Calvert Cliffs
Issue date:	11/27/2012
From:	Korsnick M G Constellation Energy Nuclear Group, EDF Group
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML12339A349 (2)

Text

Mary G. Korsnick Chief Nuclear Officer, SVP -Chief Operations Officer CENG.a joint venture of 0 Cwn tlion ,*, OrW D Office 410-470-5133 Fax 443-213-6739 E-mail: Maria.Korsnick@cengllc.com November 27, 2012 U.S. Nuclear Regulatory Commission 11555 Rockville Pike Rockville, MD 20852 ATTENTION:

SUBJECT:

I Document Control Desk Calvert Cliffs Nuclear Power Plant, Unit 2 Renewed Facility Operating License No. DPR-69 Docket No. 50-318

REFERENCES:

Response to 10 CFR 50.54(f) Request for Information, Recommendation 2.3, Seismic (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 (b) Letter from S. L. Belcher (CENG) to Document Control Desk (NRC), dated July 9, 2012, 120-Day Response to Seismic Recommendation 2.3 of 10 CFR 50.54(f) Request for Information (c) Letter from D. L. Skeen (NRC) to A. P. Heymer (NEI), dated May 31, 2012, Endorsement of Electric Power Research Institute (EPRI) Draft Report 1025286, "Seismic Walkdown Guidance," ML12145A529 On March 12, 2012, the U.S. Nuclear Regulatory Commission (NRC) issued Reference (a) to all power reactor licensees.

The NRC letter requests further information from addressees to support the evaluation of NRC Staff Recommendation 2.3: Seismic from the Near-Term Task Force review of the accident at the Fukushima Dai-ichi nuclear facility.

Reference (a) further requested a response within 180 days of NRC's endorsement of the seismic walkdown procedure.

Reference (b), confirmed that Calvert Cliffs Nuclear Power Plant, Unit 2 will use the seismic walkdown procedure, Electric Power Research Institute (EPRI) 1025286, Seismic Walkdown Guidance:

For Resolution of Fukushima Near-Term Task Force Recommendation 2.3: Seismic. The walkdown procedure was endorsed in Reference (c).Constellation Energy Nuclear Group, LLC 100 Constellation Way, Suite 200C, Baltimore, MD 21202 Document Control Desk November 27, 2012 Page 2 Attachments 1-5 of this letter constitute the response for Calvert Cliffs Nuclear Plant, including a list of areas that were unable to be inspected due to inaccessibility and the schedule to complete the walkdowns.

Regulatory commitments in this letter are listed in Attachment 6.If there are any questions concerning this letter, please contact Everett (Chip) Perkins at everett.perkins(cengllc.com or 410-470-3928.

Sincerely, Mary G. Korsnick STATE OF MARYLAND TO WIT: CITY OF BALTIMORE I, Mary G. Korsnick, state that I am the Chief Nuclear Officer of Constellation Energy Nuclear Group, LLC and that I am duly authorized to execute and file this document on behalf of this company and its subsidiary Calvert Cliffs Nuclear Power Plant, LLC. To the best of my knowledge and belief, the statements contained in this document with respect to these companies are true and correct. To the extent that these statements are not based on my personal knowledge, they are based upon information provided by employees and/or consultants of the companies.

Such information has been reviewed in accordance with company practice, and I believe it to be reliable.OAS --'j Subscribed and swo *ore me, a Notary Public in and for the State o Maryland and City of Baltimore,day of , 2012.WITNESS my Hand and Notarial Seal: 7qw ,'My Commission Expires: 0/9 ll,,_Date ,,.MGK/EMT/bjd Attachments:

(1) Seismic Walkdown Report (2) Equipment Lists NOTARY (3) Walkdown Checklists PUBLIC (4) Area Walk-By Checklist c-v"'(5) Inaccessible Equipment and Peer Review (6) Regulatory Commitments Contained in this Correspondence cc: N. S. Morgan, NRC Resident Inspector, Calvert Cliffs W. M. Dean, NRC S. Gray, DNR