ML12164A336

Response to NRC Request for Information (RFI) Pursuant to 10 CFR 50.54(f) Regarding the Flooding Aspects of Recommendations 2.1 and 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi

ML12164A336
Person / Time
Site:	Pilgrim
Issue date:	06/08/2012
From:	Rich Smith Entergy Nuclear Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML12164A336 (5)

Text

" Entergy Entergy Nuclear Operations, Inc.

Pilgrim Nuclear Power Station 600 Rocky Hill Road Plymouth, MA 02360 Robert G. Smith, R.E.

Site Vice President June 8, 2012 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk 11555 Rockville Pike Rockville, MD 20852

SUBJECT:

Entergy's Response to NRC Request for Information (RFI) Pursuant to 10 CFR 50.54(f) Regarding the Flooding Aspects of Recommendations 2.1 and 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident Pilgrim Nuclear Power Station Docket No. 50-293 License No. DPR-35

References:

1. NRC Letter to Entergy, RFI Pursuantto Title 10 of the Code of Federal Regulations 50.54(f) RegardingRecommendations 2.1, 2.3, and 9.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichiAccident, dated March 12, 2012 (PNPS 1.12.01 6)

2. NRC Letter to Entergy, Prioritizationof Response Due Dates for Site Flooding HazardEvaluations, dated May 11, 2012 (PN PS 1.12.030) 3 NRC Letter, Endorsement of Industry Walkdown Guidance, dated May 31, 2012 LETTER NUMBER 2.12.041

Dear Sir or Madam:

On March 12, 2012, the NRC issued Reference 1 to all power reactor licensees.

Enclosures 2 and 4 of Reference 1 contain specific requested actions, requested information, and required responses associated with Recommendations 2.1 and 2.3 for flooding evaluations and walkdowns. This letter provides Entergy Nuclear Operations',

Inc. (Entergy's) 90-day response to Reference 1 for Pilgrim Nuclear Power Station (PNPS).

PNPS Letter 2.12.041 Page 2 of 3 Recommendation 2.1: Flooding The response date for PNPS's flood hazard evaluation was identified in Reference 2 as March 12, 2015 which corresponds to three years from the date of Reference 1.

Entergy plans to meet the requested date for the other required responses in of Reference 1. Specifically, an approach for developing an Integrated Assessment for PNPS will be submitted 60 days after NRC endorsement of the Integrated Assessment Guidance. In addition, an Integrated Assessment Report for PNPS, if it is necessary, will be submitted two years after the flood evaluation is submitted.

Recommendation 2.3: Flooding For flooding Recommendation 2.3 (walkdowns), Enclosure 4 of Reference 1 states that each licensee is to confirm that it will use the NRC-endorsed flooding walkdown procedure or provide a description of the process it will use. Entergy confirms that it will use the flooding walkdown procedure (Nuclear Energy Institute 12-07, Guidelines for Performing Verification Walkdowns of Plant Flood ProtectionFeatures)endorsed by Reference 3 as the basis for the flooding walkdowns at PNPS.

Entergy plans to comply with the response timeline in Enclosure 4 of Reference 1.

Specifically, Entergy will submit a report documenting the results of its flooding design basis walkdowns at PNPS by November 27, 2012, which corresponds to 180 days after NRC endorsement of the generic guidance.

The new commitments contained in this submittal are summarized in the attachment.

Should you have any questions concerning the content of this letter, please contact Mr.

Joseph R. Lynch at (508) 830-8403.

I declare under penalty of perjury that the foregoing is true and correct.

Executed on June 8, 2012.

Sincerely, Robert G. Smith Site Vice President RGS/rmb

Attachment:

List of Regulatory Commitments (1 Page)

PNPS Letter 2.12.041 Page 3 of 3 cc: Mr. William M. Dean Regional Administrator, Region 1 U.S. Nuclear Regulatory Commission 2100 Renaissance Boulevard, Suite 100 King of Prussia, PA 19406-1415 Mr. Eric J. Leeds Director, Office of Nuclear Reactor Regulation One White Flint North 11555 Rockville Pike Washington, DC 20555-0001 Mr. Richard V. Guzman, Project Manager Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop O-8C2A Washington, DC 20555 Mr. John Giarrusso Jr.

Planning, Preparedness & Nuclear Section Chief Mass. Emergency Management Agency 400 Worcester Road Framingham, MA 01702 NRC Resident Inspector Pilgrim Nuclear Power Station

Attachment 1 to PNPS Letter 2.12.041 List of Regulatory Commitments to PNPS Letter 2.12.041 Page 1 of 1 List of Regulatory Commitments The following table identifies those actions committed to by Entergy in this document.

Any other statements in this submittal are provided for information purposes and are not considered to be regulatory commitments.

TYPE SCHEDULED (Check One) COMPLETION COMMITMENT ONE- DATE TIME CONTINUING (If Required)

ACTION COMPLIANCE Submit flood hazard evaluation to the X March 12, 2015 NRC.

An approach for developing an Integrated x 60-days after NRC Assessment for PNPS will be submitted. endorsement of the Integrated Assessment Guidance An Integrated Assessment Report for x March 12, 2017 PNPS, if it is necessary, will be submitted (if necessary) two years after the flood evaluation is completed.

Entergy will use the flooding walkdown X November 27, 2012 procedure (Nuclear Energy Institute 12-07, Guidelinesfor Performing Verification Walkdowns of Plant Flood Protection Features)endorsed by Reference 3 as the basis for the flooding walkdowns and plans to comply with the response timeline in Enclosure 4 of, Reference 1 by submitting a report documenting the results of its flooding design basis walkdowns at PNPS 180 days after NRC endorsement of the generic guidance.