NRC-12-0041, Detroit Edison'S 90-day Response to March 12, 2012 Information Request Regarding Seismic Hazard Evaluations

Detroit Edison'S 90-day Response to March 12, 2012 Information Request Regarding Seismic Hazard Evaluations

ML12163A549
Person / Time
Site:	Fermi
Issue date:	06/11/2012
From:	Plona J Detroit Edison, DTE Energy
To:	Office of Nuclear Reactor Regulation, Document Control Desk
References
NRC-12-0041
Download: ML12163A549 (3)

Text

Joseph H. Plona Site Vice President 6400 N. Dixie Highway, Newport, MI 48166 Tel: 734.586.5910 Fax: 734.586.4172 10 CFR 50.54(f)

June 11, 2012 NRC-12-0041 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001

References:

1) Fermi 2 NRC Docket No. 50-341 NRC License No. NPF-43

2) 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

Subject:

Detroit Edison's 90-day Response to March 12, 2012 Information Request Regarding Seismic Hazard Evaluations On March 12, 2012, the NRC issued Reference 2 to all power reactor licensees and holders of construction permits in active or deferred status. Enclosure 1 of Reference 2 contains specific Requested Actions, Requested Information and Required Responses associated with Recommendation 2.1, Seismic Evaluations. Reference 2 requires that, if an addressee cannot meet the requested response date, it must provide a response to the NRC within 90 days of the date of the information request describing the licensee's proposed alternative course of action, the basis for the acceptability of the proposed alternative course of action, and the estimated completion dates.

Detroit Edison has determined that it can meet the requested response dates for submitting the Seismic Hazard Evaluation provided that the NRC and industry reach a mutual understanding of critical implementation details associated with calculating the seismic hazard by the end of July 2012. For example, the critical details that need to be mutually understood prior to commencement of the new seismic hazard evaluations include the elevation(s) at which the hazard and Ground Motion Response Spectrum will be calculated and the development of site amplification factors for sites with limited soil/rock profile data.

USNRC NRC-12-0041 Page 2 Within 60 days of the NRC endorsement of the Screening, Prioritization and Implementation guidance, Detroit Edison will submit: (1) its intention to follow the endorsed guidance, or (2) an alternative approach. At that time, Detroit Edison will assess whether it can meet the submittal deadlines for the Seismic Risk Evaluation and take the appropriate regulatory action.

This letter contains no new regulatory commitments.

Should you have any questions or require additional information, please contact Mr.

Kirk R. Snyder, Manager, Industry Interface at (734) 586-5020.

Sincerely, cc: Director, Office of Nuclear Reactor Regulation NRC Project Manager NRC Resident Office Reactor Projects Chief, Branch 4, Region III Regional Administrator, Region III Supervisor, Electric Operators, Michigan Public Service Commission

USNRC NRC-12-0041 Page 3 I, Joseph H. Plona, do hereby affirm that the foregoing statements are based on facts and circumstances which are true and accurate to the best of my knowledge and belief.

Joseph H. Plona Site Vice President, Nuclear Generation On this day of June, 2012 before me personally appeared Joseph H. Plona, being first duly sworn and says that he executed the foregoing as his free act and deed.

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