ML19294A056

Withdrawal of License Amendment Request for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 - Final Response to Generic Letter 2004-02

ML19294A056
Person / Time
Site:	Calvert Cliffs
Issue date:	10/21/2019
From:	David Gudger Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GL 2004-002
Download: ML19294A056 (2)

Text

Exelon Generation ~ 200 Exelon Way Kennett Square. PA 19348 www.exeloncorp.com 10 CFR 50.90 October 21, 2019 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Calvert Cliffs Nuclear Power Plant, Units 1 and 2 Renewed Facility Operating License Nos. DPR-53 and DPR-69 Docket Nos. 50-317 and 50-318

Subject:

Withdrawal of License Amendment Request for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 - Final Response to Generic Letter 2004-02

References:

1. Letter from James Barstow (Exelon Generation Company, LLC) to U.S.

Nuclear Regulatory Commission - "Final Response to Generic Letter 2004-02," dated August 13, 2018 (ML18226A189)

2. Letter from David T. Gudger (Exelon Generation Company, LLC) to U.S.

Nuclear Regulatory Commission - "Supplement to Final Response to Generic Letter 2004-02, dated August 13, 2019," dated October 10, 2018 (ML18283A034)

3. Letter from James Barstow (Exelon Generation Company, LLC) to U.S.

Nuclear Regulatory Commission - "Revised - Final response to Generic letter 2004-02," dated June 7, 2019 (ML19158A075)

4. Letter from David T. Gudger (Exelon Generation Company, LLC) to U.S.

Nuclear Regulatory Commission - "Response to Request for Additional Information Revised - Final Response to Generic Letter 2004-02," dated October 3, 2019 (ML19277D103)

By letter dated August 13, 2018 (Reference 1), as supplemented by References 2, 3, and 4 above, Exelon Generation Company, LLC (Exelon) submitted a license amendment request (LAR) for Calvert Cliffs Nuclear Power Plant, Units 1 and 2. The proposed amendment would have changed the Calvert Cliffs' licensing bases, including the affected portions of the Technical Specifications and Updated Final Safety Analysis Report.

U.S. Nuclear Regulatory Commission Withdrawal of License Amendment Request Docket Nos. 50-317 and 50-318 October 21, 2019 Page2 Upon further review, Exelon has determined to follow a different approach in addressing Generic Safety Issue -191, "Assessment of Debris Accumulation on Pressurized-Water Reactor Sump Performance," and close out Generic Letter 2004-02, "Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized-Water Reactors" (ML042360586).

Accordingly, Exelon withdraws the LAR as documented in Reference 1 and supplemented in References 2, 3, and 4.

There are no regulatory commitments contained in this letter.

In accordance with 10 CFR 50.91, "Notice for public comment: State consultation," Exelon is transmitting a copy of this letter to the designated State Official.

If you should have any questions regarding this submittal, please contact Enrique Villar at 610-765-5736.

Respectfully, David T. Gudger Senior Manager - Licensing Exelon Generation Company, LLC cc: NRC Regional Administrator, Region I NRC Senior Resident Inspector, CCNPP NRC Project Manager, NRR, CCNPP D. A. Tancabel, State of Maryland