ML20092B492
| ML20092B492 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 09/05/1995 |
| From: | Shell R TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9509120048 | |
| Download: ML20092B492 (2) | |
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Tennessee Valley Authority, Post Offee Box 2000, Soddy-Daisy, Tennessee 37379-2000 September 5,1995 U.S. Nuclear Regulatory Commission ATTiv: Document Control Desk Washington, D.C. 20555 Gentlemen:
In the Matter of
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Docket Nos. 50-327 Tennessee Valley Authority
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50-328 SEQUOYAH NUCLEAR PLANT (SON) - USE OF BABCOCK AND WILCOX (B&W)
ANALYSIS METHODOLOGY TOPICAL REPORTS FOR FUEL CONVERSION The purpose of this letter is to inform NRC of TVA's need to have the review and approval of B&W topical reports completed to support the implementation of SON's conversion to B&W fuel during the Cycle 9 core loads. TVA met with NRC on December 7,1994,in Rockville, Maryland to discuss TVA's schedule for conversion to B&W fuel. This scheoule included the submittal of a SON specific topical report, prepared by B&W, to NRC by March 1996. This schedule required B&W to complete the report and provide it to TVA by December 1995. The analysis work being performed by B&W is based upon methodologies which have either been approved by NRC or are under active NRC review. The methodologies that have not been formally approved by NRC are contained in the following B&W topical reports:
Tonical Reoort No.
Til!g BAW-10168P, Revision 02 BWNT Loss-of-Coolant Accident Evaluation Model for Recirculating Steam Generator Plants - Small Break BAW-101 E 9P-A
- BWCMV Correlation of Critical Heat Flux in l
Mixing Vane Grid Fuel Assemblies i
- Base methocology has been approved by NRC. Extension of base l
methodology to Westinghouse Electric Corporation V5H fuel assemblies is under NRC review.
9509120048 950905 i
DR ADDCK 0500 7
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e U.S.t[uclear Regulatory Commission Page 2 September 5,1995 In letters to NRC dated April 24 and July 3,1995, B&W has requested NRC to
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complete review and approval of the methodologies contained within these topicals in December 1995, to correspond with completion of the SON fuel transition analysis.
TVA also requests NRC to perform the review and approvals by the dates requested by B&W to ensure the license amendment process, associated with the fuel conversion effort, will remain on the schedule presented to NRC.
Please direct questions concerning this issue to Keith Weller at (615) 843-7527.
Sincerely, h,lk R. H. Shell j
Manager SON Site Licensing cc: Mr. D. E. LaBarge, Project Manager Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852-2739 NRC Resident inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379-3624 Regional Administrator U.S. Nuclear Regulatory Commission Region ll 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323-2711 j
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