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| {{#Wiki_filter:Cheryl A. Gayheart 3535 Colonnade Parkway Regulatory Affairs Director Birmingham, AL 35243 205 992 5316 tel 205 992 7601 fax cagayhea@southernco.com March 23, 2021 Docket Nos.: 50-348 NL-21-0020 50-364 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 Joseph M. Farley Nuclear Plant - Units 1 and 2 Final Supplemental Response to NRC Generic Letter 2004-02 Ladies and Gentlemen: | | {{#Wiki_filter:}} |
| The purpose of this submittal is to provide the Southern Nuclear Operating Company (SNC) final supplemental response for Joseph M. Farley Nuclear Plant (FNP), Units 1 and 2, to Generic Letter (GL) 2004-02, dated September 13, 2004, Potential Impact of Debris Blockage on Emergency Recirculation during Design Basis Accidents at Pressurized-Water Reactors.
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| On May 16, 2013, SNC submitted a letter of intent per SECY-12-0093, Closure Options for Generic Safety Issue - 191, Assessment of Debris Accumulation on Pressurized-Water Reactor Sump Performance indicating FNP would pursue Closure Option 2 - Deterministic of the SECY recommendations (refinements to evaluation methods and acceptance criteria) (ML13137A131).
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| The final outstanding issue for FNP with respect to GL 2004-02 is the in-vessel downstream effects evaluation, which addresses that long-term core cooling (LTCC) can be adequately maintained for all postulated accident scenarios that require sump recirculation.
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| The in-vessel downstream effects evaluation has been completed for FNP, Units 1 and 2, and is documented in the enclosure to this letter. This satisfies the GSI-191 commitment identified in the May 16, 2013 Closure Option letter.
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| This letter contains no NRC commitments. If you have any questions, please contact Jamie Coleman at 205.992.6611.
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| I declare under penalty of perjury that the foregoing is true and correct. Executed on the 23rd day of March 2021.
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| Respectfully submitted, Cheryl Gayheart Director, Regulatory Affairs Southern Nuclear Operating Company
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