ML032300373
| ML032300373 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 07/21/2003 |
| From: | Olshan L NRC/NRR/DLPM/LPD2 |
| To: | |
| References | |
| Download: ML032300373 (19) | |
Text
NRC FORM 658 U.S. NUCLEAR REGULATORY COMMISSION (9-1999)
TRANSMITTAL OF MEETING HANDOUT MATERIALS FOR IMMEDIATE PLACEMENT IN THE PUBLIC DOMAIN This form is to be filled out (typed or hand-printed) by the person who announced the meeting (i.e., the person who issued the meeting notice). The completed form, and the attached copy of meeting handout materials, will be sent to the Document Control Desk on the same day of the meeting; under no circumstances will this be done later than the working day after the meeting.
Do not Include proprietary materials.
DATE OF MEETiNG The attached document(s), which was/were handed out in this meeting, is/are to be placed 08/15/2003 in the public domain as soon as possible. The minutes of the meeting will be issued in the near future. Following are administrative details regarding this meeting:
Docket Number(s) 50-269,50-270, AND 50-287 Plant/Facility Name OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3 TAC Number(s) (if available)
Reference Meeting Notice JULY 21, 2003 Purpose of Meeting (copy from meeting notice)
TO DISCUSS THE STATUS OF LICENSING ACTIONS NAME OF PERSON WHO ISSUED MEETING NOTICE TITLE L. N. OLSHAN PROJECT MIANAGER OFFICE NRR DIVISION DLPM BRANCH PD 11-1 Distribution of this form and attachments:
Docket File/Central File PUBLIC NR OR 58(-99)PRNEDO ECCEDPPE hs lm a eine sn nom NRIC FORM 658 (9-1999)
PRINTED ON RECYC ED PAPER This form as designed using InForms
I Duke FEnergy Oconee Nuclear S ite NRR Update August 15, 2003 Larry Nicholson 1
Duke Recent Performance VSEnerg Highlights
- Achieved outstanding INPO Rating
- Implemented New Emergency Operating Procedures
- Daily Schedule Effectiveness Routinely >95%
- Corrective Work Order Inventory <60 and Those Greater Than 180 Days Old <20
- Human Performance Indicators (MISPOs, Rework, Etc) Trending in Right Direction 2
FEn ergy TUnderground Power 1%
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h Duke VEnergy. Underground Power Path Replacement k_>
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Underground Power P
I"Pathi Replacemient 5
, Duke
'Energy Plant Infrastructure Upgrade 6
. Major Challenges 2003-2004
- New Reactor Vessel Head Installation
- New OTSG Installation
- Keowee Upgrades
- Modifications to ECCS 7
, Duke
'Energy. Major Challenges 2003-2004
- Control Room Outside Air Intake Relocation
- Upper Surge Tank Mods
- Addition of 600 Volt Capacity
- New Digital EHC Controls
- ISFSI Phase 5 8
Duke VEnergy. ONS Design Basis Initiative
- Mission
- Provide a focused review of the design basis &
implement enhancements to improve design margins and reduce plant risk
- Scope established based on:
- Key safety systems
- Event mitigation strategies
- Design criteria / Design control
- Risk insights 9
Duke VEnergy. ONS Design Basis Initiative Completed Design Basis Studies
- Single Failure Analysis - 9 Key Systems
- ECCS Design Study
- Comprehensive Assessment on Key Safety Systems
- Identify & Assess Risk Significant Operator Actions
- ONS Specific Seal LOCA Model
- Assessment to Validate Project Scope
- Confirmed via Independent Consultant 10
Duke V Energy. ONS Design Basis Initiative
- Completed Significant Plant Modifications
- Service Water Mods
- Ul RCP Seal Upgrade
- SQUG Mods
- AFIS
- KHU Aux Power
- LPSW Auto-Start 11
~WNWWu ViEnergy. ONS Design Basis Initiative
- Improve Operator Interface
- Complete EOP Rewrite to 2-Column Format
- Improve/Eliminate Time Critical Operator Actions
- Strengthened Configuration Management Program
- Improve Engineering Interface
- Calculation Program Upgrade
- Improved Design Basis Document (DBD) 12
Duke VEnergy. ONS Design Basis Initiative Establish Licensing Basis Foundation (completed)
- Safety-Related Classification (OSRDC)
- Conversion to Improved Tech Specs
- UFSAR Reverification
- Chapter 15 Non-LOCA Accident Reanalysis
- Emergency Power Study
w wu Ww riEnergy ONS Design Basis Initiative Establish Licensing Basis Foundation (ongoing)
- Tornado Licensing Basis Submittal
- Control Room Habitability Submittal
- Generic Letter 96-06 Submittal
- Aux Building Flooding Submittal
- HELB Submittal 14
-Energy.
Future Focus Areas Oconee's self assessment identified the following areas for additional review/initiatives
- Seismic risk SSF Reliability
- Appendix R
- Turbine Building flooding
- External flooding
- Containment isolation
- Spent Fuel Pool cooling
- Lower level issues identified through the assessment are being resolved through the corrective action program 15
Duke V Energy.
Licensing Challenges Oconee Facts
- Designed & Licensed Prior to Establishment of Contemporary Requirements
- Diversity versus Redundancy Distinction Between Ch. 15 Accidents and Other Events Non-Chapter 15 scenarios were not analyzed & designed with comparable rigor 16
, Duke Energy.
Licensing Challenges
- Oconee Facts (continued)
Unique; non-Westinghouse, Non-SRP Historical Documentation Not Comprehensive
- SERs Did Not Fully Document What Was Actually Found Acceptable Post-TMI Requirements Did Not Mandate Compliance with the SRP 17
k Duke FEnergy.
Closing Remarks 18