RS-09-097, Withdrawal of License Amendment Request to Allow Ganged Rod Drive Capability of the Rod Control Management System
| ML092010462 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 07/20/2009 |
| From: | Benyak D Exelon Generation Co, Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| RS-09-097 | |
| Download: ML092010462 (2) | |
Text
Exelon Nuclear www,exeloncorp.com 4300 Winfield Road Warrenville, IL 60555 RS-09-097 July 20, 2009 U. S. Nuclear Regulatory Commission ATTN : Document Control Desk Washington, DC 20555-0001 LaSalle County Station, Units 1 and 2 Facility Operating License Nos. NPF-11 and NPF-18 NRC Docket Nos. 50-373 and 50-374
Subject:
Withdrawal of License Amendment Request to Allow Ganged Rod Drive Capability of the Rod Control Management System Exelon.
Nuclear 10 CFR 50.90 References :
1.
Letter from D. M. Benyak (Exelon Generation Company, LLC) to U. S.
NRC, "Request for License Amendment to Allow Ganged Rod Drive Capability of the Rod Control Management System," dated August 14, 2007
- 2.
Meeting Summary from S. P. Sands (U. S. NRC), "Pre-application Meeting with Exelon Generation Company, LLC, with Respect to Additional Information Regarding License Amendment Request for Ganged Rod Withdrawal (TAC Nos. MD0360 and MD0361)," dated November 28, 2006
- 3.
Meeting Summary from S. P. Sands (U. S. NRC), "Summary of January 26, 2007, Pre-application Meeting with Exelon for Ganged Rod Withdrawal and Ultimate Heat Sink Amendment Denial," dated March 12, 2007
- 4.
Letter from P. R. Simpson (Exelon Generation Company, LLC) to U. S.
NRC, "Supplemental Information Concerning License Amendment to Allow Ganged Rod Drive Capability of the Rod Control Management System,"
dated May 13, 2008
- 5.
Letter from P. R. Simpson (Exelon Generation Company, LLC) to U. S.
NRC, "Supplemental Information Concerning License Amendment to Allow Ganged Rod Drive Capability of the Rod Control Management System,"
dated September 2, 2008
- 6.
Letter from P. R. Simpson (Exelon Generation Company, LLC) to U. S.
NRC, "Supplemental Information Concerning License Amendment to Allow Ganged Rod Drive Capability of the Rod Control Management System,"
dated September 12, 2008
Respectfully, July 20, 2009 U.S. Nuclear Regulatory Commission Page 2
- 7.
Letter from P. R. Simpson (Exelon Generation Company, LLC) to U. S.
NRC, "Supplemental Information Concerning License Amendment to Allow Ganged Rod Drive Capability of the Rod Control Management System,"
dated October 10, 2008
- 8.
Letter from P. R. Simpson (Exelon Generation Company, LLC) to U. S.
NRC, "Supplemental Information Concerning License Amendment to Allow Ganged Rod Drive Capability of the Rod Control Management System,"
dated January 14, 2009
- 9.
Letter from P. R. Simpson (Exelon Generation Company, LLC) to U. S.
NRC, "Supplemental Information Concerning License Amendment to Allow Ganged Rod Drive Capability of the Rod Control Management System,"
dated February 11, 2009
- 10.
Letter from P. R. Simpson (Exelon Generation Company, LLC) to U.S.
NRC, "Supplemental Information Concerning License Amendment to Allow Ganged Rod Drive Capability of the Rod Control Management System,"
dated March 5, 2009 11.
Email from S. P. Sands (U. S. NRC) to J. L. Schrage (Exelon Generation Company, LLC), "Audit Results Summary Report, Request To Implement Ganged Control Rod Withdrawal Capability, Exelon Generation, La Salle County Station, Facility Operating License No. NPF-11/NPF-18," ADAMS Accession No. ML0833902904, dated January 29, 2009 In Reference 1, Exelon Generation Company, LLC (EGC) submitted a license amendment request (LAR) for LaSalle County Station (LSCS), Units 1 and 2, following two pre-submittal meetings with the NRC on September 16, 2006 and January 26, 2007. The results of these meetings are documented in References 2 and 3. The LAR requested NRC approval to revise the Updated Final Safety Analysis Report to allow ganged control rod drive capability as part of the Rod Control Management System modification.
In response to both verbal and written NRC Requests for Additional Information concerning the LAR, EGC provided supplemental information in References 4 through 10.
EGC provided additional information during an NRC audit at the EGC Kennett Square, PA office on November 24, 2008. The results of this audit are documented in Reference 11.
After further discussions with the NRC on July 17, 2009, EGC has elected to withdraw the LAR.
cut, Y, F' V'1 6e.,
Darin M. Benyak Director - Licensing and Regulatory Affairs