United States Nuclear Regulatory Commission - Protecting People and the Environment

RPV Upper Head Issues -- News and Correspondence for 2002

This page lists, in chronological order, general news and correspondence on RPV Upper Head Issues for 2002.

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Date Description
12/09/02 Letter from Richard Barrett, Director, Division of Engineering to Mr. Alex Marion, NEI - Initial Comments and Questions on MRP-75, "PWR Reactor Pressure Vessel Upper Head Penetrations Inspection Plan," Rev 1
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)
09/10/02

Letter from Alex Marion, NEI, to Dr. Brian Sheron, NRC, regarding EPRI TR 1007337, PWR Reactor Pressure Vessel Upper Head Penetrations Inspection Plan (MRP-75)

08/14/02

Letter from Theodore Marston, EPRI, regarding EPRI Report TP-1006695, Materials Reliability Program Growth for Evaluation Primary Water Stress Corrosion Cracking (PWSCC) Thick-Wall Alloy 600 Material (MRP-55)

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
03/19/02 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
03/11/02 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

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Page Last Reviewed/Updated Wednesday, May 08, 2013