United States Nuclear Regulatory Commission - Protecting People and the Environment

News and Correspondence

This page lists, in chronological order, general news and correspondence on RPV Bottom Head Issues.

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Date Description
10/15/03 Supplement to LER 03-003, Bottom Mounted Instrumentation Penetration Indications
09/08/03 NRC Special Inspection Team Report 050000498/2003008 and 05000499/2003008 and Exercise of Enforcement Discretion
08/21/03 June 12, 2003 Telecon Summary
08/21/03 June 19, 2003 Telecon Summary
08/21/03 Bulletin 2003-02: Leackage from Reactor Pressure Vessel Lower Head penetrations and Reactor Coolant Pressure Boundary Integrity
08/18/03 STP Unit 1 Reactor Pressure Vessel Head Inspection Results
08/15/03 NRC Approval - Request for Relief, RR-ENG-2-32, From ASME Code Requirements for Approval of Half-Nozzle Repair/Replacement for BMI Penetrations
08/13/03 NRC Information Notice 2003-11: Leakage Found on Bottom Mounted Instrumentation Nozzles
08/08/03 Staff observation/assessment of half-nozzle repair design calculations
08/08/03 July 10, 2003 Telecon Summary
08/08/03 June 26, 2003 Telecon Summary
08/08/03 May 22, 2003 Telecon Summary
08/01/03 Request for Relief, RR-ENG-2-35, From the Requirements of the ASME Boiler and Pressure Vessel Code Concerning Use of an Electro-Discharge Machining (EDM) Process (TAC NO. MB9655)
08/01/03 Relief Request RR-ENG-2-33, Alternative Flaw Characterization Criteria for Two Bottom-Mounted Instrument Penetration Welds (TAC NO. MB9727)
07/31/03 NRC Special Inspection Team Review and NRC Staff Evaluation of South Texas Project, Unit 1, Reactor Pressure Vessel Bottom-Mounted Instrumentation Penetration Leackage Investigation and Repair Activities
07/31/03 Summary of Exit Meeting for Special Inspection of Bottom Mounted Instrumentation Nozzle Leakage in South Texas Project, Unit (NRC Inspection Report 050000498/2003008)
07/30/03 Request for Withholding Information from Public Disclosure Per Section 2.790 of Title 10 of the Code of Federal Regulations Concerning Bottom Mounted Instrumentation Forced Outage (TAC No. MB8435)
07/23/03 Revised Summary of ASME Code Calculations Performed for Repair of Bottom Mounted Instrumentation Penetrations
07/17/03 Supplemental Response to Request for Additional Information Regarding Request for Alternative RR-ENG-2-32 (TAC No. MB9696)
07/17/03 Confirmation of 7/11 letter Updated Commitments to Investigate and Repair Bottom Mounted Instrumentation Penetration Indications
07/15/03 May 29, 2003 Telecon Summary
07/15/03 May 20, 2003 Telecon Summary
07/11/03 Updated Commitment to Investigate and Repair Bottom Mounted Instrumentation Penetration Indications.
07/03/03 Response to Request for Additional Information Regarding Request for Alternative RR-ENG-2-32 (TAC No. MB9696)
07/02/03 South Texas Project Unit 1 Docket No. STN 50498 Summary of ASME Code Calculations Performed for Repair of Bottom Mounted Instrumentation Penetrations
07/01/03 Revised Response to Request for Additional Information Regarding Request for Alternatives RR-ENG-2-35
06/27/03 NRC Approval - Request for Relief, RR-EING-2-30, Revision 2, From ASME Code Requirements for Approval of ASME Section XI Code Case N-516-2 for Underwater Welding of Core Barrel Locking Tab
06/26/03 Response to Request for Additional Information Regarding Request for Alternatives RR-ENG-2-35
06/25/03 NRC Approval - Request for Relief, RR-ENG-2-31, From ASME Code Requirements for Approval of ASME Section XI Code Cases N-2143-1 and 2143-1 for the Second 10-Year Inspection Interval
06/25/03 Request for Relief from ASME Section XI Requirements Associated with Characterizing Flaws in Bottom Mounted Instrumentation Penetration Welds (Relief Request RR-ENG-2-33)
06/19/03 Request for Alternative to ASME Section XI Requirements Associated with Half-Nozzle Repair/Replacement for Bottom Mounted Instrument Penetrations (Relief Request RR-ENG-2-32)
06/17/03 May 15, 2003 Telecon Summary
06/17/03 May 8, 2003 Telecon Summary
06/13/03 Request for Alternatives to ASME SEction XI Requirements Associated eith Mechanical Processing of Thermally cut Surfaces (Relief Request RR-ENG-2-35)
06/11/03 Licensee Event Report 03-003, Bottom Mounted Instrumentation Penetration Indications
06/10/03 Relief Request RR-ENG-30, Rev. 2
06/02/03 Revised Request for Approval of ASME Section XI Code Case N-516-2 for Underwater Welding of Core Barrel Locking Tab (Relief Request RR-ENG-2-30)
06/02/03 Bottom Mounted Instrumentation Forced Outage Confidential Information
05/28/03 NRC Press Release 03-069 - NRC to Hold Public Meeting June 5 on Reactor Vessel Penetration Leakage at South Texas Project
05/27/03 April 17, 2003 - Telephone Conversation Summary
05/23/03 April 22, 2003 - Telephone Conversation Summary
05/22/03 South Texas Press Release - STP releases preliminary inspection results
05/20/03 Morning Report for May 20, 2003
05/15/03 Request for Approval of ASME Section IX Code Cases 2142-1 and 2143-1 for the Second Ten-Year Inspection Interval (Relief Request RR-ENG-2-31)
05/12/03 Responses to NRC Questions regarding Bottom Mounted Instrumentation Penetration Indications
05/08/03 Request for Approval of ASME Section XI Code Case N-516-2 for the Second Ten-Year Inservice Inspection Interval (Relief Request RR-ENG-2-30)
05/08/03 April 24, 2003 - Telephone Conversation Summary
05/05/03 NRC Press Release IV-03-021 - NRC to Conduct Special Inspection at South Texas Project Unit 1
05/05/03 Charter for the NRC Special Inspection Team at South Texas Project - Review of Licensee Actions Related to Reactor Vessel Bottom Mounted Instrumentation Penetration Leakage
04/28/03 NRC Press Release 03-051: NRC to hold Public Meeting May 1 on Reactor Vessel Penetration Leakage at South Texas Project
04/24/03 Commitment to Investigate and Repair Bottom Mounted Instrumentation Penetration Indications
04/18/03 NRC Preliminary Notification PNO-IV-03-022: Reactor Vessel Bottom Head Penetration Leakage
04/14/03 NRC Event Report 39754
02/13/03 Response to RAI on Bulletin 2002-01
11/25/02 Bulletin 2002-01 RAI Letter
09/11/02 30 Day Response to Bulletin 2002-02
05/16/02 60 Day Response to Bulletin 2002-01
04/02/02 15 Day Response to Bulletin 2002-01
03/18/02 NRC Bulletin 2002-01: Reactor Pressure Vessel Head Degradation and Reactor Coolant Pressure Boundary Integrity
08/29/01 15 Day Response to Bulletin 2001-01
03/09/89 South Texas Response to GL 88-05
05/31/88 South Texas Response to GL 88-05

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Page Last Reviewed/Updated Tuesday, May 07, 2013