ML013120433
| ML013120433 | |
| Person / Time | |
|---|---|
| Site: | Byron, Braidwood  |
| Issue date: | 11/14/2001 |
| From: | Mahesh Chawla NRC/NRR/DLPM |
| To: | Kingsley O Exelon Generation Co |
| Chawla M, NRR/.DLPM, 415-8371 | |
| References | |
| IEB-01-001, TAC MB2612, TAC MB2613, TAC MB2614, TAC MB2615 | |
| Download: ML013120433 (5) | |
Text
Mr. Oliver D. Kingsley, President November 14,2001 Exelon Nuclear Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555
SUBJECT:
BULLETIN 2001-01, CIRCUMFERENTIAL CRACKING OF REACTOR PRESSURE VESSEL HEAD PENETRATION NOZZLES, RESPONSES FOR BYRON STATION, UNITS 1 AND 2, AND BRAIDWOOD STATION, UNITS 1 AND 2 (TAC NOS. MB2614, MB2615, MB2612, AND MB2613)
Dear Mr. Kingsley:
On August 3, 2001, the staff issued Bulletin 2001-01, Circumferential Cracking of Reactor Pressure Vessel Head Penetration Nozzles, to the industry requesting that addressees provide information related to the structural integrity of the reactor pressure vessel head penetration (VHP) nozzles for their respective facilities, including the extent of VHP nozzle leakage and cracking that has been found to date, the inspections and repairs that have been undertaken to satisfy applicable regulatory requirements, and the basis for concluding that their plans for future inspections will ensure compliance with applicable regulatory requirements at their respective pressurized water reactor (PWR) plants. You were requested to provide your response to Item 1 of the Bulletin within 30 days of its issuance.
You provided your response by letter dated August 31, 2001. The staff finds that you have provided the requested information and that, based on this information, there is reasonable assurance that the public health and safety will be maintained.
Addressees are reminded that Item 5 of the bulletin requested the following information within 30 days after plant restart following the next refueling outage:
- a.
a description of the extent of VHP nozzle leakage and cracking detected at your plant, including the number, location, size, and nature of each crack detected;
Mr. O. Kingsley b.
if cracking is identified, a description of the inspections (type, scope, qualification requirements, and acceptance criteria), repairs, and other corrective actions you have taken to satisfy applicable regulatory requirements. This information is requested only if there are any changes from prior information submitted in accordance with this bulletin.
Sincerely,
//RA/
Mahesh Chawla, Project Manager, Section 2 Project Directorate III Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos. STN 50-454, STN 50-455, STN 50-456, and STN 50-457 cc See next page
Mr. O. Kingsley b.
if cracking is identified, a description of the inspections (type, scope, qualification requirements, and acceptance criteria), repairs, and other corrective actions you have taken to satisfy applicable regulatory requirements. This information is requested only if there are any changes from prior information submitted in accordance with this bulletin.
Sincerely,
/RA/
Mahesh Chawla, Project Manager, Section 2 Project Directorate III Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos. STN 50-454, STN 50-455, DISTRIBUTION:
STN 50-456, and STN 50-457 PUBLIC PD3-2 r/f cc See next page A. Mendiola M. Chawla G. Dick C. Rosenberg J. Zimmerman W. Bateman A. Hiser OGC ACRS K. Wichman A. Stone ADAMS Accession Number: ML013120433 OFFICE PM:LPD3-2 PM:LPD3-2 LA:LPD3-2 SC:LPD3-2 NAME MChawla GDick CRosenberg AMendiola DATE 11/13/01 11/13/01 11/13/01 11/14/01 OFFICIAL RECORD COPY
O. Kingsley Byron/Braidwood Stations Exelon Generation Company cc:
Ms. C. Sue Hauser, Project Manager Westinghouse Electric Corporation Energy Systems Business Unit Post Office Box 355 Pittsburgh, Pennsylvania 15230 Joseph Gallo Gallo & Ross 1025 Connecticut Ave., NW, Suite 1014 Washington, DC 20036 Howard A. Learner Environmental Law and Policy Center of the Midwest 35 East Wacker Dr., Suite 1300 Chicago, Illinois 60601-2110 U.S. Nuclear Regulatory Commission Byron Resident Inspectors Office 4448 N. German Church Road Byron, Illinois 61010-9750 Regional Administrator, Region III U.S. Nuclear Regulatory Commission 801 Warrenville Road Lisle, Illinois 60532-4351 Ms. Lorraine Creek RR 1, Box 182 Manteno, Illinois 60950 Chairman, Ogle County Board Post Office Box 357 Oregon, Illinois 61061 Mrs. Phillip B. Johnson 1907 Stratford Lane Rockford, Illinois 61107 George L. Edgar Morgan, Lewis and Bockius 1800 M Street, NW Washington, DC 20036-5869 Attorney General 500 S. Second Street Springfield, Illinois 62701 Illinois Department of Nuclear Safety Office of Nuclear Facility Safety 1035 Outer Park Drive Springfield, Illinois 62704 Exelon Generation Company, LLC Byron Station Manager 4450 N. German Church Road Byron, Illinois 61010-9794 Exelon Generation Company, LLC Site Vice President - Byron 4450 N. German Church Road Byron, Illinois 61010-9794 U.S. Nuclear Regulatory Commission Braidwood Resident Inspectors Office 35100 S. Rt. 53, Suite 79 Braceville, Illinois 60407 Illinois Emergency Management Agency Division of Disaster Assistance &
Preparedness 110 East Adams Street Springfield, Illinois 62701-1109 Chairman Will County Board of Supervisors Will County Board Courthouse Joliet, Illinois 60434 Exelon Generation Company, LLC Braidwood Station Manager 35100 S. Rt. 53, Suite 84 Braceville, Illinois 60407-9619
O. Kingsley Byron/Braidwood Stations Exelon Generation Company, LLC Ms. Bridget Little Rorem Appleseed Coordinator 117 N. Linden Street Essex, Illinois 60935 Document Control Desk-Licensing Exelon Generation Company, LLC 4300 Winfield Road Warrenville, Illinois 60555 Exelon Generation Company, LLC Site Vice President - Braidwood 35100 S. Rt. 53, Suite 84 Braceville, Illinois 60407-9619 Mr. William Bohlke Senior Vice President, Nuclear Services Exelon Generation Company, LLC 4300 Winfield Road Warrenville, Illinois 60555 Mr. Robert J. Hovey Operations Vice President Mid-West Regional Operating Group Exelon Generation Company, LLC 4300 Winfield Road Warrenville, Illinois 60555 Mr. Christopher Crane Senior Vice President Mid-West Regional Operating Group Exelon Generation Company, LLC 4300 Winfield Road Warrenville, Illinois 60555 Mr. K. A. Ainger Director - Licensing Mid-West Regional Operating Group Exelon Generation Company, LLC 4300 Winfield Road Warrenville, Illinois 60555 Exelon Generation Company, LLC Regulatory Assurance Supervisor - Braidwood 35100 S. Rt. 53, Suite 84 Braceville, Illinois 60407-9619 Exelon Generation Company, LLC Regulatory Assurance Supervisor - Byron 4450 N. German Church Road Byron, Illinois 61010-9794 Mr. Robert Helfrich Senior Counsel, Nuclear Mid-West Regional Operating Group Exelon Generation Company, LLC 4300 Winfield Road Warrenville, Illinois 60555 Mr. Jeffrey Benjamin Vice President - Licensing and Regulatory Affairs Exelon Generation Company, LLC 4300 Winfield Road Warrenville, Illinois 60555 Mr. John Skolds Chief Operating Officer Exelon Generation Company, LLC 4300 Winfield Road Warrenville, Illinois 60555 Mr. John Cotton Senior Vice President - Operations Support Exelon Generation Company, LLC 4300 Winfield Road Warrenville, Illinois 60555