United States Nuclear Regulatory Commission - Protecting People and the Environment

News and Correspondence for 2002

This page lists, in chronological order, general news and correspondence on Reactor Vessel Head Degradation for 2002.

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Date Description
12/24/02 Update of Confirmatory Action Letter 3-02-00A Status for Davis-Besse Nuclear Power Station
12/17/02 Davis-Besse Nuclear Power Station, Unit 1 - Requests for Relief from American Society of Mechanical Engineers Boiler and Pressure Vessel Code Requirements for the Third Ten-Year Interval Inservice Inspection Program (RR-A2)
12/13/02 Davis-Besse Nuclear Power Station, Unit 1 - Requests for Relief from American Society of Mechanical Engineers Boiler and Pressure Vessel Code Requirements for the Third Ten-Year Interval Inservice Inspection Program
12/10/02 Davis Besse NRC Update - December 2002 Issue
12/09/02 NRC Integrated Inspection Report No. 50-346/02-17
12/03/02 Staff Evaluation - Davis Besse Response to NRC Bulletin 2001-01
11/29/02 NRC Special Inspection - Boric Acid Corrosion Extend of Condition - Report No. 50-346/02/12 (DRS)
11/29/02 NRC Special Inspection - Reactor Vessel Head Replacement - Report No. 50-346/02-07 (DRS)
11/26/02 Senior Management Review of the Lessons-Learned Report for the Degradation of the Davis-Besse Nuclear Power Station Reactor Vessel Head
11/14/02 Davis Besse NRC Update - November 2002 Issue
11/08/02 Revised Model Requests for Additional Information (RAIs) Related to Boric Acid Corrosion Control Programs (NRC Bulletin 2002-01)
10/30/02 NRC Integrated Inspection Report No. 50-346/02-10
10/30/02 Davis-Besse Oversight Panel Restart Checklist, Revision 1
10/30/02 Model Requests for Additional Information (RAIs) Related to Boric Acid Corrosion Control Programs (NRC Bulletin 2002-01)
10/23/02 Letter from Brian W. Sheron, NRC to Alex Marion, NEI, regarding Emergent Material and Inspection Issues
10/18/02 Temporary Instruction 2515/150: Reactor Pressure Vessel Head and Vessel Head Penetration Nozzles (NRC Bulletin 2002-02)
10/16/02 Condition Report Regarding Preliminary Results from Analysis of Incore Nozzle Samples
10/16/02 Davis Besse NRC Update - October 2002 Issue
10/09/02 NRC Press Release 02-119: NRC Issues "Lessons Learned" Task Force Report on Agency's Handling of Davis-Besse Reactor Vessel Head Damage
10/02/02 Davis-Besse - NRC Augmented Inspection Team Follow-up Special Inspection Report No. 50-346/02-08 (DRS)
10/01/02 NRC Press Release III-02-053: NRC Expands Special Inspection of Worker Radiation Exposures at Davis-Besse
09/30/02

Lessons Learned Task Force Report

09/23/02

Confirmatory Action Letter Response - Revision 1 to Root Cause Analysis Report Regarding Reactor Pressure Vessel Head Degradation

Letter: | Pages 1-50 | Pages 51 - 100 | Pages 101 - 150 | Pages 151 - 186 |

09/23/02 10 CFR 50.55a Requests for Alternative Pursuant to American Society of Mechanical Engineers Boiler and Pressure Vessel Code Requirements at the Davis-Besse Nuclear Power Station - Third Ten-Year Interval Inservice Inspection Program(RR-A26 and RR-A-27)
09/23/02 Transmittal of Revision 3 of the Davis-Besse Return to Service Plan
09/17/02 Davis Besse NRC Update - September 2002 Issue
09/13/02 NRC Special Inspection - Boric Acid Corrosion Extent of Condition - Report No. 50-346/02-09 (DRS)
09/10/02 NRC Preliminary Notification: Crack Identified in Vessel Head Stainless Steel Liner
09/09/02

Davis Besse Condition Report 02-05705: Cladding Crack Found in Original RVH Cavity

Images:
Top View of Cladding
Crack In Cladding

09/07/02 Davis Besse Condition Report 02-05536: Crack Indication in J-Groove Weld of Old CRDM Nozzle 3
08/21/02

Management and Human Performance Root Cause Analysis Report on Failure to Identify Reactor Pressure Vessel Head Degradation: | Pages 1-50 | Pages 51-100 | Pages 101-150 | Pages 151-168 |

08/16/02 Transmittal of NRC Inspection Manual Chapter 0350 Panel Restart Checklist
08/09/02 Replacement of the Reactor Pressure Vessel Head at Davis-Besse Nuclear Power Station
08/08/02 NRC Press Release III-02-048: NRC Oversight Panel to Hold Three Meetings on Davis-Besse Reactor Vessel Head Damage in Lisle, IL, and Oak Harbor, OH
08/01/02 10 CFR 50.55a Request for Use of an Alternative to the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code) Requirements at the Davis-Besse Nuclear Power Station - Third Ten-Year Interval Inservice Inspection Program(RR-A2 Revision)
08/01/02 10 CFR 50.55a Requests for Alternative Pursuant to American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code) Requirements at the Davis-Besse Nuclear Power Station - Third Ten-Year Interval Inservice Inspection Program(RR-A26 and RR-A-27)
07/09/02 NRC Press Release III-02-042: NRC Oversight Panel to Hold Two Meetings in Oak Harbor, Ohio, on Davis-Besse Reactor Vessel Head Damage
06/17/02 NRC Staff Visit to BWXT Hot Cell Facility
06/06/02 NRC Press Release III-02-033: NRC to Hold Three Public Meetings on Davis-Besse June 12 in Ohio
05/30/02 NRC Press Release 02-066: NRC to Meet with FirstEnergy Nuclear Operating Co. June 4 to Discuss Replacement of Davis-Besse Reactor Vessel Head
05/23/02 FENOC Press Release - FENOC Acquires Unused Reactor Vessel Head
05/21/02 Transmittal of Davis-Besse Nuclear Power Station, Unit 1 Return to Service Plan
05/20/02 NRC Press Release 02-060: NRC Task Force to Assess Lessons Learned from Davis-Besse Reactor Vessel Head Degradation
05/16/02 Response to Petition by Union of Concerned Scientists (UCS) under 10CFR2.206 regarding Davis-Besse Nuclear Power Station, Unit 1
05/15/02 Revised Confirmatory Action Letter to Davis-Besse Nuclear Power Station (CAL No. 3-02-001A)
05/15/02 Supplemental Information in Response to NRC Question Number 24 on the Preliminary Probably Cause Summary Report dated March 22, 2002
05/03/02 NRC Press Release III-02-024: Davis-Besse Oversight Panel to Hold First Meeting May 9 in Oak Harbor, Ohio
05/03/02 Davis Besse Nuclear Power Station NRC Augmented Inspection Team - Degradation of the Reactor Pressure Vessel Head - Report No. 50-346/02-03(DRS)
05/02/02 NRC Press Release 02-056: To Meet with FirstEnergy May 7 to Discuss Root Cause of Davis-Besse Vessel Head Degradation
04/30/02 NRC Press Release III-02-023: Establishes Agency Oversight Panel for Davis-Besse Reactor Head Degradation Issue
04/30/02 Responses to NRC Questions on the Preliminary Probable Cause Report dated March 22, 2002.
04/29/02 Letter from J.E. Dyer, Regional Administrator, Region III, to Howard Bergendahl, Vice President - Nuclear, Davis-Besse, regarding NRC Oversight Efforts regarding the Davis-Besse Nuclear Power Station
04/25/02 Partial Response to Confirmatory Action Letter No. 3-02-001 - Repair Plans for the Davis Besse Nuclear Power Station, Unit 1 Reactor Pressure Vessel Head
04/25/02 10 CFR 50.55a Requests for Alternate Pursuant to ASME Code ISI Requirements at the Davis-Besse Nuclear Power Station - Third Ten-Year Interval (RR-A23 and RR-A24)
04/25/02 10 CFR 50.55a Requests for Alternate Pursuant to ASME Code ISI Requirements at the Davis-Besse Nuclear Power Station - Third Ten-Year Interval (RR-A25)
04/18/02

Root Cause Analysis Report

04/17/02 NRC Press Release III-02-021: Dispatches Inspector to Davis-Besse Nuclear Power Station Following Discovery of Radioactive Particles Off-Site
04/04/02 NRC Press Release 02-043: To Meet with FirstEnergy Nuclear Operating Company April 10 to Discuss Proposed Repairs to Davis-Besse Reactor Vessel
04-05-02 NRC Preliminary Notification: Reactor Vessel Head Degradation (Second Update)
03/28/02

Letter from Alex Marion, NEI, to Brian Sheron, NRC, Industry Survey Questions on PWR Head Inspections

  • Attachment 1 : PWR Plant Groupings in Response to Reactor Closure Head Degradation
  • Attachment 2 : MRP Category Definitions for PWR Plant Groupings
  • Attachment 3 : Licensee Responses to Industry Survey Questions on PWR Head Inspections
03/28/02 NRC Press Release III-02-012: Inspection Team to Present Findings April 5 on Davis-Besse Reactor Vessel Head Damage
03/22/02 Probable Cause Summary Report for CR2002-0891, Significant Degradation of the Reactor Vessel Head Pressure Boundary; S. A. Loehlein, Root Cause Team Leader
03-19-02 NRC Press Release 02-031: Requires Pressurized Water Reactor Licensees to Submit Information on Reactor Vessel Heads
03-19-02 Letter from Alexander Marion, MRP, to Brian Sheron, NRC, providing Preliminary Licensee Responses to Industry Survey Questions on PWR Head Inspections.
03-18-02 NRC Bulletin 2002-01: Reactor Pressure Vessel Head Degradation and Reactor Coolant Pressure Boundary Integrity
03-15-02 NRC Preliminary Notification: Significant Metal Loss in Reactor Vessel Head (Update)
03-15-02 NRC Press Release 02-029: NRC Issues Confirmatory Action Letter to Davis-Besse Nuclear Power Station, Schedules Meetings and Establishes a Web Page on Reactor Vessel Head Degradation Issues.
03-13-02 Summary of March 13, 2002, Telephone Conversation on the Davis-Besse Reactor Vessel Head Degradation Follow-up.
03-13-02 Confirmatory Action Letter to Davis-Besse Nuclear Power Station (CAL No. 3-02-001)
03-12-02 NRC Augmented Inspection Team Charter - Davis-Besse Reactor Vessel Head Material Loss
03-12-02 NRC Press Release: III-02-002: NRC to Conduct Augmented Inspection of Davis-Besse Reactor Vessel Damage
03-11-02 Letter from Brian W. Sheron, Associate Director for Project Licensing and Technical Analysis, Office of Nuclear Reactor Regulation, to Alex Marion, Nuclear Energy Institute, regarding Reactor Pressure Vessel Head Degradation at Davis Besse Nuclear Power Station
03-08-02 NRC Preliminary Notification: Significant Metal Loss Observed in Reactor Vessel Head at Davis Besse Nuclear Power Plant

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Page Last Reviewed/Updated Thursday, May 16, 2013