ML080910504
| ML080910504 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 03/28/2008 |
| From: | Cowan P Exelon Generation Co, Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML080910504 (2) | |
Text
Nuclear 200 Exelon Way PA 10 CFR 50.90 March 28, 2008 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Limerick Generating Station, Unit 2 Facility Operating License No. NPF-85 NRC Docket No 50-353
Subject:
Withdrawal of Exelon Generation Company, LLC, License Amendment Request Related to Proposed One-Time Changes to Technical Specifications Section 3.4.3.1, Reactor Coolant System Leakage Detection Systems
Reference:
Letter dated November 16, 2007, from P. B. Cowan, Exelon Generation Company, LLC, to USNRC, "Proposed One-Time Changes to Technical Specifications Section 3.4.3.1, Reactor Coolant System Leakage Detection Systems" In the referenced letter, Exelon Generation Company, LLC (Exelon), requested one-time changes to the Technical Specifications (TS), Appendix A of Operating License No. NPF-85 for Limerick Generating Station (LGS), Unit 2. Specifically, the one-time changes were proposed because the drywell unit cooler condensate flow rate monitoring system became inoperable and could not be repaired on line. The proposed one-time changes were requested to be in effect until the next refuel outage currently scheduled for the Spring of 2009, or the next shutdown of sufficient duration to allow for drywell unit cooler condensate flow rate monitoring system repairs, whichever came first.
On February 1, 2008, an automatic actuation of the Limerick, Unit 2, reactor protection system occurred. The decision was made to bring the unit to cold shutdown and make a containment entry to effect repairs on, among other things, the drywell unit cooler condensate flow rate monitoring system. The repairs were successful and the drywell unit cooler condensate flow
License Amendment Request Withdrawal One-Time Changes to TS 3.4.3.1 (RCS Leakage Detection Systems)
Docket No. 50-353 March 28, 2008 Page 2 rate monitoring system was declared operable on February 4,2008. Therefore, Exelon hereby withdraws the referenced license amendment request.
If you have any questions or require additional information, please contact Glenn Stewart at 610-765-5529.
Respectfully, Pamela B. Cowan Director, Licensing & Regulatory Affairs Exelon Generation Company, LLC cc:
Regional Administrator - NRC Region I NRC Senior Resident Inspector - Limerick Generating Station NRC Project Manager, NRR - Limerick Generating Station Director, Bureau of Radiation Protection - Pennsylvania Department of Environmental Protection