ML103200394

Dresden, Units 2 & 3 and Quad Cities Units 1 & 2 - Withdrawal of Request for Amendment to Technical Specification 3.1.7, Standby Liquid Control (SLC) System

ML103200394
Person / Time
Site:	Dresden, Quad Cities
Issue date:	11/16/2010
From:	Hansen J L Exelon Generation Co, Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RS-10-194
Download: ML103200394 (2)

Text

[=xelon Generation 4300 Winfield Road WanenvnJe, It.60555 RS-10-194 November 16, 2010 www.exeloncorp.com Nuclear 10 CFR 50.90 U.S.Nuclear Regulatory Commission A TIN: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Units 2 and 3 Renewed Facility Operating License Nos.DPR-19 and DPR-25 NRC Docket Nos.50-237 and 50-249 Quad Cities Nuclear Power Station, Units 1 and 2 Renewed Facility Operating License Nos.DPR-29 and DPR-30 NRC Docket Nos.50-254 and 50-265

Subject:

Withdrawal of Request for Amendment to Technical Specification 3.1.7,"Standby Liquid Control (SLC)System"

References:

(1)Letter from Mr.Jeffrey L.Hansen (Exelon Generation Company, LLC)to U.S.NRC,"Request for Amendment to Technical Specification 3.1.7,'Standby Liquid Control (SLC)System'," dated November 10, 2009 (2)Letter from U.S.NRC to Mr.Michael J.Pacilio (Exelon Nuclear),"Dresden Nuclear Power Station, Units 2 and 3, and Quad Cities Nuclear Power Station, Units 1 and2-Request for Additional Information Related to Exelon Generation Company's Request to Amend Standby Liquid Control Technical Specifications (T AC Nos.ME2567 THRU ME2670)," dated September 23,2010 (3)Letter from Mr.Jeffrey L.Hansen, (Exelon Generation Company, LLC)to U.S.NRC, IIAdditionallnformation Supporting the Request for Amendment to Technical Specification 3.1.7,'Standby Liquid Control (SLC)System'," dated October 12,2010 In Reference 1, Exelon Generation Company, LLC (EGC)requested an amendment to Appendix A, Technical Specifications (TS)of Renewed Facility Operating License Nos.DPR-19 and DPR-25 for Dresden Nuclear Power Station, Units 2 and 3 (DNPS), and Renewed Facility Operating License Nos.DPR-29 and DPR-30 for Quad Cities Nuclear Power Station, Units 1 and 2 (QCNPS).The proposed amendment revises Technical Specification (TS)3.1.7,"Standby Liquid Control (SLC)System,lI to extend the completion time (CT)for Condition B (Le.,"Two SLC subsystems inoperable:')

from eight hours to 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.

U.S.Nuclear Regulatory Commission November 16,2010 Page 2 In Reference 2, the NRC forwarded requests for additional information (RAls)concerning the Reference 1 license amendment request.The requested information was provided in Reference 3.On November 10, 2010, a teleconference was held between NRC Division of Operating Reactor Licensing personnel and EGC.During this teleconference, the NRC indicated that the license amendment request could not be approved based on the information provided to date by EGC.Based on this feedback, EGC is withdrawing the license amendment request and requests the NRC to provide the specific issues remaining to be resolved.There are no regulatory commitments contained in this letter.Should you have any questions concerning this letter, please contact Mr.Timothy A Byam at (630)657-2804.nsen Man ge-Licensing Exelo Generation company, LLC