ML043100150

Request for Additional Information, Exemption for Cladding Material Specified in 10 CFR 50.44, 10 CFR 50.46 and 10 CFR 50 Appendix K. TAC No MC4462

ML043100150
Person / Time
Site:	Summer
Issue date:	11/05/2004
From:	Cotton K NRC/NRR/DLPM/LPD2
To:	Archie J South Carolina Electric & Gas Co
Cotton K, NRR/DLPM, 415-1438
References
TAC MC4462
Download: ML043100150 (6)

Text

November 5, 2004 Mr. Jeffery B. Archie Vice President, Nuclear Plant Operations South Carolina Electric & Gas Company Virgil C. Summer Nuclear Station Post Office Box 88 Jenkinsville, South Carolina 29065

SUBJECT:

VIRGIL C. SUMMER NUCLEAR STATION - REQUEST FOR ADDITIONAL INFORMATION: EXEMPTION FOR CLADDING MATERIAL SPECIFIED IN 10 CFR 50.44, 10 CFR 50.46 AND 10 CFR 50 APPENDIX K (TAC NO. MC4462)

By letter dated September 3, 2004, South Carolina Electric & Gas Company, the licensee for Virgil C. Summer Nuclear Station, submitted an exemption request to allow use of a different fuel cladding material as an alternative to that specified in the Code of Federal Regulations.

The affected regulations are:

! 10 CFR 50.44, Standards for Combustible Gas Control in Light-Water-Cooled Power Reactors

! 10 CFR 50.46, Acceptance Criteria for Emergency Core Cooling Systems for Light-Water Nuclear Power Reactors

! 10 CFR 50 APPENDIX K, ECCS [Emergency Core Cooling Systems] Evaluation Models The U.S. Nuclear Regulatory Commission staff has reviewed the exemption request and determined that it did not provide sufficient information to approve the use of a different fuel cladding material as an alternative to that specified in the Code of Federal Regulations. The enclosed request for additional information (RAI) contains a specific question related to these

J. Archie issues. I have discussed this RAI with Mr. Robert Sweet, Licensing Supervisor, Virgil C.

Summer Nuclear Station, and he agreed to respond to this request by November 12, 2004.

Please contact me if you have any questions.

Sincerely,

/RA/

Karen R. Cotton, Project Manager, Section 1 Project Directorate II Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket No. 50-395

Enclosure:

RAI cc w/encl: See next page

J. Archie issues. I have discussed this RAI with Mr. Robert Sweet, Licensing Supervisor, Virgil C.

Summer Nuclear Station, and he agreed to respond to this request by November 12, 2004.

Please contact me if you have any questions.

Sincerely,

/RA/

Karen R. Cotton, Project Manager, Section 1 Project Directorate II Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket No. 50-395

Enclosure:

RAI cc w/encl: See next page DISTRIBUTION:

PUBLIC PDII-1 R/F KCotton BClayton (Hard Copy)

OGC ACRS KLandis, RII DLPM DPR MRoss-Lee ADAMS Accession Number: ML043100150 OFFICE PM:PDII-1 LA:PDII-1 SC:PDII-1 (A)

NAME KCotton BClayton SPeters for MRoss-Lee DATE 11/05/04 11/05/04 11/05/04 OFFICIAL RECORD COPY

Mr. Jeffrey B. Archie VIRGIL C. SUMMER NUCLEAR STATION South Carolina Electric & Gas Company cc:

Mr. R. J. White Ms. Kathryn M. Sutton, Esquire Nuclear Coordinator Winston & Strawn Law Firm S.C. Public Service Authority 1400 L Street, NW c/o Virgil C. Summer Nuclear Station Washington, DC 20005-3502 Post Office Box 88, Mail Code 802 Jenkinsville, South Carolina 29065 Resident Inspector/Summer NPS c/o U.S. Nuclear Regulatory Commission 576 Stairway Road Jenkinsville, South Carolina 29065 Chairman, Fairfield County Council Drawer 60 Winnsboro, South Carolina 29180 Mr. Henry Porter, Assistant Director Division of Waste Management Bureau of Land & Waste Management Dept. of Health & Environmental Control 2600 Bull Street Columbia, South Carolina 29201 Mr. Thomas D. Gatlin, General Manager Nuclear Plant Operations South Carolina Electric & Gas Company Virgil C. Summer Nuclear Station Post Office Box 88, Mail Code 300 Jenkinsville, South Carolina 29065 Mr. Ronald B. Clary, Manager Nuclear Licensing South Carolina Electric & Gas Company Virgil C. Summer Nuclear Station Post Office Box 88, Mail Code 830 Jenkinsville, South Carolina 29065

REQUEST FOR ADDITIONAL INFORMATION VIRGIL C. SUMMER NUCLEAR STATION EXEMPTION REQUEST By letter dated September 3, 2004, South Carolina Electric & Gas Company, the licensee for V.C. Summer Nuclear Station (Summer), submitted an exemption request to allow use of a different fuel cladding material as an alternative to that specified in the Code of Federal Regulations.

The U.S. Nuclear Regulatory Commission staff requests that the licensee respond to the following question to permit the staff to complete its review of the exemption request Discuss how data collected from the post-irradiation examinations of the Summer lead test assemblies (LTAs), as well as ongoing LTA and irradiation programs within the Westinghouse fleet, will be used to ensure that the fuel performance models remain conservative for these developmental cladding alloys, especially in subsequent cycles.

ENCLOSURE