ML20217Q834

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Informs That Detailed Response to NRC RAI & Final Calculations Re Thermo-Lag Related Ampacity Derating,Will Be Submitted by 970926
ML20217Q834
Person / Time
Site: River Bend Entergy icon.png
Issue date: 08/28/1997
From: King R
ENTERGY OPERATIONS, INC.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
RBF1-97-0313, RBF1-97-313, RBG-44186, TAC-M82809, NUDOCS 9709030389
Download: ML20217Q834 (2)


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"'.'NJ *2 w,- sua nm# , m,.4 August 28,1997 U.S. Nuclear Regulatory Commission Document Control Desk OPI-17 Washington, DC 20555

Subject:

River Bend Station - Unit I Docket No. 50-458 License No. NPF-47 NRC Request for AdditionalInformation Regarding Thermo-Lag Related Ampacity Derating issues (TAC No. M82809)

File Nos.: G9.5, G9.33.4 RBG-44186 RBF1-97-0313 Ladies and Gentlemen:

The purpose of this letter is to notify your staff of the current submittal date of our response to a staff request for additional information (RAI) concerning Thermo Lag.

Related Ampacity Derating at River Bend Station (RBS), letter dated May 12,1997, In a letter dated June 16,1997. RBS provided an interim response which indicated that the detailed response to the subject RAI along with final versions of the associated ca!culations would be provided by August 28,1997. Ilowever, due to the Ore protection engineering resources allocated to support the Fire Protection Functional Inspection, the detailed response to the RAI and the final calculations are expected to be submitted by September 26,1997. This new submittal date to the RAI has been discussed with Mr. Dave Wigginton of the NRC staff.

. The subject calculations are currently being reviewed for final acceptance. Based on reviews to date, changes to the calculations resulting from the resolution of comments did not result in any additional cables exceeding ampacity ratings.

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.. NRC Request for AdditionalInformation Regarding Thermo Lag Related Ampacity Derating issues (TAC No. M83809)

August ?,8 - 1997 RBF197-0313 RBO-44186 Page 2 of 2 If you have any questions or require additional information, please contact Rick McAdams at (504) 336-6224.

Sincerely, b '

RJK\RMMVntp' cc: Mr. David L. Wigginton U. S. Nuclear Regulatory Commitsion i

M/S OWFN i3-113

, Washinr%n, DC 10555 e

NRC Resident inspectar P. O. Box 1050 St, Francisville, LA 70775

U. S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive, Suite 400 Arlington, TX 70611 Department of Environmental Quality Radiation Protection Division-P.O. Box 82135
Baton Rouge, LA 70884-2135 Attn: Administrator

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