ML061010033
| ML061010033 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 04/24/2006 |
| From: | Sands S Plant Licensing Branch III-2 |
| To: | |
| Stephen P. Sands, LP3-2, 415-3154 | |
| Shared Package | |
| ML061010019 | List: |
| References | |
| TAC MC6803, TAC MC6804 | |
| Download: ML061010033 (7) | |
Text
April 24, 2006 LICENSEE: Exelon Generation Company, LLC FACILITY: Lasalle County Station, Units 1 and 2
SUBJECT:
SUMMARY
OF MARCH 22, 2006, MEETING WITH EXELON REGARDING ADDITIONAL INFORMATION NEEDED TO SUPPORT LICENSE AMENDMENT REQUEST FOR COMPLETION TIME EXTENSION FOR THE CORE STANDBY COOLING SYSTEM (TAC NO. MC6803 and MC6804)
On March 22, 2006, a Category 1 public meeting was held between the U.S. Nuclear Regulatory Commission (NRC) and representatives of Exelon Generation Company (Exelon) at NRC Headquarters, One White Flint North, 11555 Rockville Pike, Rockville, Maryland. The purpose of the meeting was to discuss additional information needed by the NRC staff to complete its review of an amendment request for LaSalle County Station, Units 1 and 2, to extend the completion time (CT) for Required Action C.4, ?Restore required Diesel Generator to OPERABLE status, associated with Technical Specification (TS) 3.8.1 from 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to 6 days.
In addition, the proposed amendment would extend the CT for Required Action F.1, ?Restore on required Diesel Generator to OPERABLE Status, associated with TS Section 3.8.1 from 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> to 6 days. These proposed changes would only be used during maintenance on the core standby cooling system and the diesel generator cooling water system for the upcoming Unit 2 spring 2007 refueling outage and during the subsequent Unit 1 spring 2008 refueling outage. A list of attendees is provided as Enclosure 1.
Exelon presented information (see Agencywide Documents Access and Management System Accession No. ML061010161) in support of its amendment request. The NRC staff discussed these changes with Exelon and queried them on the following four areas. It is requested that Exelon provide their response within 60 days from the date of this letter.
- Address the functionality of the Division 2 Diesel Generator (DG) for both units, at all stages of the Line Stop installation and valve replacement maintenance activity;
- Assuming a loss of offsite power coincident with the worst case single failure (which may be a loss of DG-0) discuss the mitigation strategy for both units assuming one unit operating and one unit shutdown (less than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />);
- Confirm that should the Line Stop(s) fail during an event or occurrence, flooding in either room will not affect required equipment; and
- Specifically address the proposed compensatory measures during the Line Stop installation, Line Stop Removal, and valve replacements. This discussion should be at a sufficient level of detail to address system/major component impacts of these proposed measures.
Members of the public were not in attendance. Public Meeting Feedback forms were not received.
Please direct any inquiries to me at 301-415-3154, or sps1@nrc.gov.
/RA/
Stephen P. Sands, Project Manager Plant Licensing Branch III-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-373 and 50-374
Enclosure:
List of Attendees cc w/encls: See next page
Members of the public were not in attendance. Public Meeting Feedback forms were not received.
Please direct any inquiries to me at 301-415-3154, or sps1@nrc.gov.
/RA/
Stephen P. Sands, Project Manager Plant Licensing Branch III-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-373 and 50-374
Enclosure:
List of Attendees cc w/encls: See next page DISTRIBUTION:
PUBLIC LPLF R/F RidsNrrDorlLplF RidsNrrPmSSands RidsNrrLADClarke RidsOgcRp RidsAcrsAcnwMailCenter RidsRgn3MailCenter RidsNrrPMBSingal DNguyen TWengert PGill RidsNrrDeEeeb RidsNrrDe ADAMS Accession Numbers:
Package ML061010019 Memo ML061010033 OFFICE LPL3-2/PM LPL3-2/LA LPL3-2/BC NAME SSands DClarke DCollins DATE 4/18/2006 4/14/2006 4/24/2006 OFFICIAL RECORD COPY
LaSalle County Station Units 1 and 2 cc:
Site Vice President - LaSalle County Station Regional Administrator Exelon Generation Company, LLC U.S. NRC, Region III 2601 North 21st Road 801 Warrenville Road Marseilles, IL 61341-9757 Lisle, IL 60532-4351 LaSalle County Station Plant Manager Illinois Emergency Management Exelon Generation Company, LLC Agency 2601 North 21st Road Division of Disaster Assistance &
Marseilles, IL 61341-9757 Preparedness 110 East Adams Street Regulatory Assurance Manager - LaSalle Springfield, IL 62701-1109 Exelon Generation Company, LLC 2601 North 21st Road Document Control Desk - Licensing Marseilles, IL 61341-9757 Exelon Generation Company, LLC 4300 Winfield Road U.S. Nuclear Regulatory Commission Warrenville, IL 60555 LaSalle Resident Inspectors Office 2605 North 21st Road Senior Vice President of Operations Marseilles, IL 61341-9756 Exelon Generation Company, LLC 4300 Winfield Road Phillip P. Steptoe, Esquire Warrenville, IL 60555 Sidley and Austin One First National Plaza Vice President - Licensing Chicago, IL 60603 and Regulatory Affairs Exelon Generation Company, LLC Assistant Attorney General 4300 Winfield Road 100 W. Randolph St. Suite 12 Warrenville, IL 60555 Chicago, IL 60601 Chairman LaSalle County Board 707 Etna Road Ottawa, IL 61350 Attorney General 500 S. Second Street Springfield, IL 62701 Chairman Illinois Commerce Commission 527 E. Capitol Avenue, Leland Building Springfield, IL 62706 Robert Cushing, Chief, Public Utilities Division Illinois Attorney General's Office 100 W. Randolph Street Chicago, IL 60601
LaSalle County Station Units 1 and 2 Director - Licensing and Regulatory Affairs Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555 Assistant General Counsel Exelon Generation Company, LLC 200 Exelon Way Kennett Square, PA 19348 Manager Licensing - Dresden, Quad Cities and Clinton Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555 Mr. Christopher M. Crane, President and Chief Nuclear Officer Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555
MEETING WITH EXELON GENERATION COMPANY REGARDING ADDITIONAL INFORMATION ON ON LICENSE AMENDMENT REQUEST FOR COMPLETION TIME EXTENSION FOR THE CORE STANDBY COOLING SYSTEM LIST OF ATTENDEES NAME ORGANIZATION PHONE Terrance W. Simpkin Exelon - LaSalle 815-415-2800 Joseph A Bauer Exelon - Licensing 630-657-2801 Keith Jury Exelon - Licensing 630-657-2831 Mike Peters Exelon - LaSalle 815-415-2591 Peter Wicyk Exelon - LaSalle 815-415-2469 Duc Nguyen NRC/NRR/DLR/LRL 301-415-3202 Tom Wengert NRC/NRR/DORL 301-415-4037 Paul Gill NRC/NRR/DE/EEEB 301-415-3316 Dan Collins NRC/NRR/DORL 301-415-1427 Stephen Sands NRC/NRR/DORL 301-415-3154 Gene Imbro NRC/NRR/DE 301-415-3298 Eva Brown NRC/NRR/DE/EEEB 301-415-2315 ENCLOSURE