ML040980521
| ML040980521 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 03/11/2004 |
| From: | Sheron B Office of Nuclear Reactor Regulation |
| To: | |
| References | |
| RIC 2004 | |
| Download: ML040980521 (10) | |
Text
RIC 2004: Emergent Technical Issues Session T-11 Dr. Brian W. Sheron, Associate Director Office of Nuclear Regulatory Regulation U. S. Nuclear Regulatory Commission March 11, 2004
2 Session Agenda
Present a range of viewpoints on emergent technical issues
Mr. Chris Crane, President and Chief Nuclear Officer of Exelon Nuclear
Mr. Tom Jordan, Vice President, Engineering & Technical Services, South Texas Project (STP)
Mr. Wayne Lanning, Director, Division of Reactor Safety, USNRC Region I
Mr. Alex Marion, Senior Director, Engineering, Nuclear Energy Institute
Open Discussion
3 Ensuring Openness
Openness Is Critical To:
Ensuring transparency in our communications and early public involvement
Promoting two-way communication on emergent technical issues
Demonstrating respect for the role of the public and our stakeholders in the regulatory process
4 Communication
The NRC is making communication an integral part of conducting business
Public Outreach
More NRC public meetings held within the local vicinity of the plant
Public Workshops
Press Releases
Newspaper Ads
Media Sheets
NRC Public Website
5 Emerging Technical Issues
Materials Degradation
Emergency Core Cooling Sump
6 Managing Degradation Summary Materials exposed to reactor environment will continue to degrade with time and operation National and international technical communities are involved Programs addressing currently identified degradation - technical and regulatory Research program addressing Potential new degradation mechanisms Inspection and monitoring techniques Mitigation and repair strategies NRC and industry are aware of need to aggressively handle degradation as it emerges
7 Materials Degradation Issues
Reactor Pressure Vessel Head Degradation
Upper vessel head
Lower vessel head
Cracking of pressurizer heater sleeves
Boric Acid Corrosion
Leak Detection
8 Emergency Core Cooling Sump
Sump Clogging is a credible concern for PWRs
Technical Assessment Completed
Risk Assessment Completed
Bulletin 2003-01 Issued June 2003
Future Plans
Communications with Stakeholders
Generic Letter Issuance
Final Resolution of Issue
Communication Tools - Redesigned GSI-191 Webpage
http://www.nrc.gov/reactors/operating/ops-experience/pwr-sump-performance.html
10 Summary
The NRC is committed to keeping the public informed and believes that a responsible, effective regulatory process cannot succeed any other way.
Managing challenging issues in a rapidly changing environment
The NRC staff has high confidence that these emerging issues are on the path to resolution