RBG-47477, Response to Request for Additional Information on River Bend Station Recommendation 2.1 Flood Hazard Re-evaluation

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Response to Request for Additional Information on River Bend Station Recommendation 2.1 Flood Hazard Re-evaluation
ML14178A024
Person / Time
Site: River Bend 
(NPF-047)
Issue date: 06/17/2014
From: Olson E
Entergy Operations
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
RBG-47477
Download: ML14178A024 (3)


Text

Entergy Operations, Inc.

River Bend Station 5485 U. S. Highway 61 N St. Francisville, LA 70775 Tel 225 381 4374 eolson@entergy.com Eric W. Olson Site Vice President RBG-47477 June 17, 2014 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

Subject:

Response to Request for Additional Information on River Bend Station Recommendation 2.1 Flood Hazard Re-evaluation River Bend Station - Unit 1 Docket No. 50-458 License No. NPF-47

Reference:

1. Entergy Letter RBG-47447, Response to Request for Information Regarding Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident, dated March 12, 2014
2. River Bend Station Recommendation 2.1 Flood Hazard Re-evaluation Request for Additional Information, email dated June 2, 2014 (Alan Wang to Donald Bentley)

Dear Sir or Madam:

In Reference (1), Entergy Operations, Inc. (Entergy) submitted a response to the Near Term Task Force Recommendation 2.1: Flooding Hazard Re-evaluation Report in response to the Nuclear Regulatory Commission's request for information pursuant to Title 10 of the Code of Federal Regulations 50.54(f).

In reviewing the Flooding Hazard Re-evaluation Report, NRC determined that additional information was required to complete the review (Reference 2). The enclosure to this letter provides a response to this request.

There are no new commitments contained in this submittal. If you have any questions, please contact Mr. Joseph Clark at 225-381-4177.

I declare under penalty of perjury that the foregoing is true and correct: Executed on June 17, 2014.

Respectfully, EWO/dhw

Enclosure:

One CD/DVD with requested information

4) 0

RBG-47477 June 17, 2014 Page 2 of 3 cc:

U.S. Nuclear Regulatory Commission (w/o enclosure)

Region IV 1600 East Lamar Blvd.

Arlington, TX 76011-4511 NRC Resident Inspector (w/o enclosure)

R-SB-14 Central Records Clerk (w/o enclosure)

Public Utility Commission of Texas 1701 N. Congress Ave.

Austin, TX 78711-3326 Department of Environmental Quality (w/o enclosure)

Office of Environmental Compliance Radiological Emergency Planning and Response Section ATTN: JiYoung Wiley P.O. Box 4312 Baton Rouge, LA 70821-4312 Mr. Alan Wang, Project Manager (w/o enclosure)

U.S. Nuclear Regulatory Commission MS 0-8B1 11555 Rockville Pike Rockville, MD 20852-2738 Mr. Rob Kuntz (w/ enclosure)

U.S. Nuclear Regulatory Commission MS 011-FOI 11555 Rockville Pike Rockville, MD 20852-2738

RBG-47477 June 17, 2014 Page 3 of 3

Enclosure:

One (1) CD/DVD containing the following files:

FLO-2D model used for the LIP analysis Digital terrain model (DTM) input into FLO-2D HEC-HMS for surface flow modeling and the Probable Maximum Flood, including calibration simulations HEC-RAS used for the Probable Maximum Flood and river elevations, including calibration simulations CEDAS-ACES used for wind wave effects and wave run-up modeling