RBG-45072, Submits Final Response to GL 94-02, Long-Term Solution & Upgrade of Interim Operating Recommendations for Thermal- Hydraulic Instabilities in Bwrs. Ltr Documents Completion of Reporting Requirements Contained in Subject GL

Submits Final Response to GL 94-02, Long-Term Solution & Upgrade of Interim Operating Recommendations for Thermal- Hydraulic Instabilities in Bwrs. Ltr Documents Completion of Reporting Requirements Contained in Subject GL

ML20216D536
Person / Time
Site:	River Bend
Issue date:	07/23/1999
From:	King R ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GL-94-02, RBF1-99-0217, RBG-45072, NUDOCS 9907300016
Download: ML20216D536 (3)

Text

Ent rgy oportticns, Inc.

6 A. River Bend Station

( ) 5485 U S Hrgh.vay 61 t Franc sv e, LA 70775 Tel 225 336 6225 i

Fax 225 635 5068 Rick J. King Director Nuclear Safety & Regulatory Affairs July 23,1999 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington,DC 20555

Subject:

River Bend Station - Unit 1 Docket No. 50-458 -

License No. NPF-47 Final Response to Generic Letter 94-02, "Long-Term Solution and Upgrade of Interim Operating Recommendations for Thermal-Hydraulic Instabilities in BWRs" File Nos.: G9.5, G9.42 l

l

References:

1. Generic Letter 94-02,"Long-Term Solution and Upgrade ofInterim Operating Recommendations for Thermal-Hydraulic Instabilities in BWRs," dated July 11,1994.

l 2. RBS Response to Generic Letter 94-02, "Long-Term Solution and i

Upgrade ofInterim Operating Recommendations for Thermal-Hydraulic j Instabilities in BWRs," dated September 12,1994, RBG-40869.

3. RBS License Amendment Request (LAR) 98-02; " Stability," RBS letter dated October 8,1998, RBG-44593.

4. NRC SER on Stability, Licensing Amendment 106, dated May 5,1999.

RBF1-99-0217 RBG-45072 Ladies and Gentlemen:

This letter is EOl's final response for River Bend Station (RBS) to Generic Letter (GL) 94-02, "Long-Term Solution and Upgrade ofInterim Operating Recommendations for Thermal- {-

Hydraulic Instabilities in BWRs." This documents completion of the reporting requirements /

l contained in the generic letter. The initial RBS response to the generic letter was submitted /

in EOI's letter dated September 12,1994 (see Reference 2), and included the selected solution for addressing the concerns.

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9907300016 990723" PDR ADOCK 0S000458 P PDR

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Final Response to Generic Letter 94-02, 'Long-Term Solution and Upgrade ofInterim Operating Recommendations for Thennal-Hydraulic Instabilities in BWRs,"

l July 23,1999 4'

RBF1-99-0217 l RBG-45072 l Page 2 of 2 RBS implemented plant design changes for the Boiling Water F.eactor Owners Group Enhanced Option I-A (EIA) Reactor Stability Long Term Sohtion as documented in NEDO-32339, Revision 1, " Reactor Stability Long-Term Solution. ' inh--A Option I-A." Changes i to the plant Technical Specifications followed NEDO-32?39-A, Supplement 4, " Reactor Stability Long Term Solution: EnhancM Option L A Generic Technical Specifications." EOI submitted proposed Technical Specification changes to the NRC on October 8,1998 (see l Reference 3) and the NRC approved these in amendment 106, dated May 5,1999, to the RBS Operating License (see Reference 4).

Design changes, Technican Specificatiora changes, associated training, and procedural changes implementing the complete EIA solution, as contained in NEDO-32339, Revision 1, including i

Supplements 1 through 4, have been completed. Additionally, RBS successfully completed a plant startup from Refueling Outage 8 using the EIA stability solution.  !

If you have any questions regarding this request or require additional information, please I contact Mr. B. M. Burmeister at (225) 381-4148.

i S- ly, s s l

RJK/BMB cc: Mr. Robert Fretz U. S. Nuclear Regulatory Commission 1 M/S OWFN 13-D-18 Washington, DC 20555 NRC Resident inspector P. O. Box 1050 St. Francisville, LA 70775 U. S. Nuclear Regulatory Commission i Region IV 611 Ryan Plaza Drive, Suite 400 Arlington,TX 76011

BEFORE THE UNITED STATES NUCLEAR REGULATORY COMMISSION l

LICENSE NO. NPF-47 DOCKET NO. 50-458 IN THE MATTER OF ENTERGY GULF STATES,INC. AND ENTERGY OPERATIONS, INC.

AFFIRMATION I, Rick J. King, state that I am the Director, Nuclear Safety & Regulatory Affairs, of Entergy Operations, Inc., at River Bend Station; that on behalfof Entergy Operations, Inc., I am authorized by Entergy Operations, Inc., to sign and file with the Nuclear Regulatory Commission this River Bend Station final response to Generic Letter 94-02,"Long-Term Solution and Upgrade ofInterim Operating Recommendations for Thermal-Hydraulic Instabilities in BWRs,"

and that I signed as Director, Nuclear Safety & Regulatory Affairs, at River Bend Station, Entergy Operations,Inc.; and that the statements made and the matters set forth herein are true and correct to the best of my knowledge, information, and belief.

r-l STATE OF LOUISIANA l PARISH OF WEST FELICIANA SUBSCRIBED AND SWORN TO before me, a Notary Public, commissioned in the Parish above named, this 2 3 M day nf M L.s ,1999.

l l l (SEAL) doe A 1Nuut Claudia F. Hurst I

Notary Public My Commission expires with life.

i