ML20138E559
| ML20138E559 | |
| Person / Time | |
|---|---|
| Issue date: | 04/29/1997 |
| From: | Craig C NRC (Affiliation Not Assigned) |
| To: | Matthews D NRC (Affiliation Not Assigned) |
| References | |
| NUDOCS 9705050028 | |
| Download: ML20138E559 (24) | |
Text
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UNITED STATES g
,j NUCLEAR REGULATORY COMMISSION
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WASHINGTON, D.C. 2055541001
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April 29, 1997 MEMORANDUM T0:
David B. Matthews, Chief Generic Issues and Environmental Projects Branch Division of Reactor Program Managemer?
l Office of Nuclear Reactor Regulation M g/
FROM:
Claudia M. Craig, Senior Project Manager 0,
Generic Issues and Environmental Projects Branch
(
Division of Reactor Program Management Office of Nuclear Reactor Regulation a
SUBJECT:
SUMMARY
OF MEETING WITH THE WESTINGHOUSE OWNERS GROUP (WOG) i AND SENIOR OFFICE OF NUCLEAR REACTOR REGULATION (NRR)
MANAGEMENT l
l On April 16, 1997, members of NRR senior management met with the Westinghouse i
Owners' Group for the semi-annual discussion of topics of mutual interest.
The WOG presentations included: WOG steering committee organization, fuel issues, Alloy 600 reactor vessel head penetration (RVHP) issues, steam l
generator (SG) internals degradation assessment, risk-informed /PRA applications, and life cycle management / license renewal programs. Attachment 1 is a list of meeting attendees, Attachment 2 is a copy of the presentation material.
In the past, the WOG was not involved in fuel issues due to the fact that different vendors supplied fuel to the WOG members and that made it difficult to address issues generically.
However, recent issues have arisen where the WOG may be able to provide generic support.
Therefore, the WOG has decided to form a new working group to address fuel issues. The working group is still in the early stages of development, but a list of potential working group activities was provided at the meeting.
One of these included industry's response to Bulletin 96-01, incomplete rod insertion.
Short, intermediate and long term actions to address the problem were discussed. The WOG plans on l
i commenting on the supplement to the bulletin when it is released for public comment, but may need to request an extension to the comment period in order to gain consensus among the WOG members.
The staff and W0G decided a future
- f h meeting between the staff and the new working group would be helpful to j j1) discuss in detail the working group activities and future interaction with the NRC staff.
The WOG provided a status of the RVHP issue.
Currently, there are no plans to perform inspections; the WOG materials subcommittee believes the safety 1
analysis remains valid for all PWR owners groups and the plant' rankings do not directly or indirectly affect the conclusions in the safety evaluation report.
The WOG indicated the industry is deciding whether an industry wide response to GL 97-01 is warranted.
The WOG will participate in the NEI task force and will work toward a response to GL 97-01 based on feedback from the members.
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D. Matthews April 29, 1997 l
.The NRC staff commented that the NEI task force may want.to meet with the
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staff to discuss options.
- Similarly, the WOG is active in the NEI steam generator (SG) task force responding to the potential SG internals degradation assessment. The WOG discussed the potential program outline which consists of a number of activities, i
The WOG also discussed its activities in the risk-informed PRA applications arena.
The WOG has submitted two topicals, one on risk-based inservice
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testing (IST) and one on risk-based inservice inspection (ISI), and is developing a methodology for extending allowed outage times focusing on the
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accumulator as a model..The WOG believes that implementation of risk-informed
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regulation should not lead to another level of regulatory requirements.
The staff outlined the regulatory guide which will soon be issued for public i
comment. The WOG will strive to provide meaningful comments on the draft regulatory guide and standards review plan when they are released.
The length of the comment period was discussed. Additionally, the staff discussed the j
human aspect of risk and suggested that this may be an area of future work.
j The WOG is also active in the ~ life cycle management / license renewal program.
i This is a key strategic area for the WOG, however, current issues such as FSAR updates and the 50.54(f) letter have been overwhelming licensees' decisions
,i whether to pursue license renewal. Once these issues have been resolved, the WOG stated that the licensa renewal issue will be decided on economics.
It was pointed out by the WOG that the time frame for this decision making is getting shorter for the older plants. The WOG has four major areas of activities including generic topical reports (GTRs), life cycle management, l
generic license renewal implementation plan, and support for implementing plant efforts. The WOG has developed 15 GTRs, four of which have been i
submitted to the NRC for review, one additional GTR will be submitted in the future. The WOG would like to get a schedule for review and approval of the j
GTRs.
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The WOG also provided a listing of all topical reports that have been j
submitted to the NRC and a priority ranking for each. The priority ranking will facilitate the NRC in setting priorities for review.
The NRC staff and WOG agreed to reexamine priorities each time a topical report is submitted and I
that a listing with each topical report status would be provided prior to the semi-annual management meeting. At future meetings, on the high priority 1
items,.it should be defined who has the action (NRC or the WOG), and the due l
.date or time frame for a' decision such that the correct people will be able to attend the meeting.
The staff had two topics it wanted to discuss with the WOG. The staff asked Westinghouse what their expectations were with respect to staff' review of the i
_ WOG risk ranking of MOVs for GL 96-05. The report was submitted to the NRC for information, but in the forwarding letter the WOG stated that utilities j
would be referencing the report in their responses to the GL.
The staff 1
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e April 29, 1997 D. Matthews questioned whether the report was being submitted for information or if some type of review was being requested. The WOG stated they would provide the staff the answer at a later time.
The staff also provided the WOG with a status of the grid reliability issue.
This is an issue that the NRC is watching closely in light of the~ changes taking place as a result of deregulation of the electric industry.
A Commissica meeting is planned to discuss the topic.
Project No. 694 cc w/atts: See next page Attachments: As stated 1
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o D. Matthews. April 29, 1997 questioned whether the report was being submitted for information or if some
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type of review was being requested. The WOG stated they would provide the staff the answer at a later time.
The staff also provided the WOG with a status of the grid reliability issue.
This is an issue that the NRC is watching closely in light of the changes taking place as a result of deregulation of the electric industry. A Commission. meeting is planned to discuss the topic.
Project No. 694 i
i cc w/atts:
See next page l
Attachments: As stated
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DOCUMENT NAME: G:\\ CMC 1\\4 16 97. MIN DISTRIBUTION:See attached page
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To enceive e copy of this aloeumont,inellcate Ethe'Eem: "C" = Copy without attachment /encio.u,o
'E" = Copy with attachment /enclosu,e 4
- N* = No copy 1
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i NAME CCralg':W" RArchitzel*
DMaMhews DATE 4/..Mi/97 4/ 24 /97 4/1f1/97 0FFICIAL RECORD COPY i
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DISTRIBUTION w/ attachments: Summary of April 16, 1997, w/WOG dtd Apr. 29, 1997 Rard Cooy,
Central File ~
PUBLIC ^
PGEB R/F RArchitzel CCraig ACRS OGC E-Mail SCollins/FMiraglia AThadani BSheron l
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BBoger TMartin MSlosson i
MCunningham SNewberry BPrato l
MRubin JLyons DWessman JFlack DMatthews LChandler
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WOG/NRR MEETING APRIL 16, 1997 AT ROCKVILLE, MD MEETING ATTENDEES lLAME ORGANIZATION i
Louis Liberatori WOG/ Consolidated Edison Ted Cloninger WOG/HL&P 1
Jack Bailey WOG/TVA Roger Newton WOG/WEPC0 i
Andrew Drake WOG Project Office Brian Sheron NRC/NRR/DE Claudia Craig NRC/NRR/DRPM/PGEB l
Marylee Slosson NRC/NRR/DRPM Mark Cunningham NRC/NRR/DSSA/SPSB Hank Sepp Westinghouse /NSD Sam Binger WOG Project Office Jack Stringellow WOG/SNC l
Karl Jacobs WOG/NYPA Larry Mathews WOG/SNC Robert Couture WOG/ Northeast Utilities Vance VanderBurg WOG/AEP Ashok Thadani NRC/NRR/ADT Scott Newberry NRC/NRR/DSSA Sam Collins NRC/NRR Mark Rubin NRC/NRR/DSSA/SRXB Bob Prato NRC/NRR/DRPM/PDLR Bob Borsum FTI Nancy Chapman SERCH/Bechtel Ralph Architzel NRC/NRR/DRPM/PGEB Jim Lyons NRC/NRR/DSSA/SRXB Dick Wessman NRC/NRR/DE/EMEB John H. Flack NRC/NRR/DSSA/SPSB ATTACHMENT 1
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WESTINGHOUSE OWNERS GROUP WOG/NRC INFORMATION MEETING
. April 16,1997 : 1:00 PM - 3:00 PM Two White Flint Building - Room 8A1/ F1 Agenda 1:00 PM 1.
INTRODUCTION Ted Cloninger, WOG EAC Chairman
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Houston Lighting & Power
- - Meeting Purpose Agenda Review Lou Liberatori, WOG Vice Chairman 1997 WOG Steering Committee Consolidated Edison
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1:15 PM II. WOG PRESENTATIONS i
e FuelIssues Vance VanderBurg, Analysis S/C Chairman American Electric Power i
Alloy 600 RVHPIssues Larry Mathews, Materials S/C Chairman SG Intemals Degradation Assessment Southem Nuclear RiskInformed/PRA Applications Karl Jacobs, Systems & Equipment e
Engineering S/C Chairman New York Power Authority i
Life Cycle Management / License Renewal Programs Roger Newton, LCM /LR W/G Chairman e
Wisconsin Electric Power i
2:15 PM III. REVIEW WOG NRC SUBMITTALS Lou Liberatori l
Priority of WOG Sut=1Ltals Future Planned WC, sP Submittals 2:45 PM IV. LEC NRC
]
Comments / Suggestion
+ Division of Engineering Review of WOG Risk Ranking of 1
MOVs for GL 96-05 Periodic Verification
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+ Grid Reliability (NRC Conunission Paper)
Action Item Review 3:00 PM V. CLOSING COMMENTS Lou Liberatori i
macace. ooc
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WESTINGHOUSE OWNERS GROUP WOG / NRC INFORMATION MEETING APRIL 16,1997 4
WESTINGHOUSE OWNERS GROUPS WOG / NRCINFORMATION MEETING APRIL 16,1997 I. INTRODUCTION Meeting Purpose
- WOG/NRCInformationMeetingsImplementedin 1992
- ConductedonaBiannualBasis
- InterfaceMeetingsProvide Maintain & enhance communication channels a
Candid discussion of open issues / concerns Major program activity update.
ReviewNRC status ofWOG submittals NRC input to WOG program planning & prioritization process j
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WESTINGIIOUSE OWNERS GROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 I. INTRODUCTION --
I Agenda Review
+
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WESTINGHOUSE OWNERS G.ROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 II. WOG PRESENTATIONS
= FuelIssues l
- Formation of WOG Fuel Working Group i
FonnationMeeting held March 7,1997 I
- Nev. Meeting scheduled for May 8,1997
)
- WOGFuelWorkingGroupCharter i
- Centralfocusforfuelissues
- Provide coordination with NEI, EPRI, and other fuel vendors 2
+ Establish framework for WOG/ Industry response to issues
- Identify strategic fuelissues and action plan i
- mm WESTINGHOUSE OWNERS GROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 j
II. WOG PRESENTATIONS --
i Fuel Issues --
i
- WOGFia:1WorkingGroupPotential Activities
+ Bulletin 96-01,IncompleteRCCAInsertion
- Development ofindustry standard for fuel designs
- Standard for handling fuel design changes
- Review of Reload Safety Analysis Checklist process
- Standardforfueluprating i
- High burn-up fuel designs
- OGs Pursuing Formation of a FuelIssues Group within NEI 4
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1 WESTINGHOUSE OWNERS GROUPS 4
WOG / NRC INFORMATION MEETING APRIL 16,1997 i
4 II. WOG PRESENTATIONS I
l Fuel Issues --
4
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- Bulletin 96-01, Incomplete RCCAInsertion(IRI)
- WOO Continues to Participate In & Monitor IRI Activities
- Issue returned from Analysis Subcommittee to IRO
- Preliminary plans underway to pmvide response / comments on 4
proposed Supplement to Bulletin 96-01
- May request comment period extension iflimited to 30 days in order to compile commente from all WOO members 1
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WESTINGHOUSE OWNERS GROUPS i
WOG / NRC INFORMATION MEETING APRIL 16,1997 4
l II. WOG PRESENTATIONS --
Fuel Issues --
+
- Bulletin 9641, Incomplete RCCA Insertion (IRI)- continued I
- Attending AllWestinghouse/NRC meetings
- January 10 initial discussions ofissue management
- February 19 detail discussion of W mechanical model
- April 17 further discussion of W mechanical model
- Currently evaluating alternatives as a menas to reduce the need to perform mid-cycle tests d
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3 WESTINGHOUSE OWNERS GROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 II. WOQ PRESENTATIONS i
Fuel Issues --
- Bulletin 96-01, Incomplete RCCA Insertion (IRI) - continued Short Temu Manage Existing Cores with W Fuel
- Use H model to determine susceptibility Burnup less than NRC limit - No action required -
- Burnup greater than NRC limit and less than E model susceptibilitylimit-EOC testing
- Burnup greater than the H model susceptibility limits -
4 Avoid if possible (new cores); perform safety evaluation; testing asappropriate 4
WESTINGHOUSE OWNERS GROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 II. WOG PRESENTATIONS 1
Fuct Issues
- Bulletin 96-01, Incomplete RCCAInsertion(IRI).
4
- Intermediate Terar Program to Fmther Confirm Model
- Data from existing high btunup assemblies
- Data from future high burnup assemblies
- Longterm EliminationofProblem 4
- Use model to assess the effer.tiveness of new design features
- Fuel Working Group to plan utilization of operating experience of fuel assemblies with new design features j
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e WESTINGHOUSE OWNERS GROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 II. WOG PRESENTATION _S-w Alloy 600 RVHP Issues
- WOG Has Pro-Actively Participated with the Industry to Address this Issue Submitted safety analysis and obtained SER
- Developed weld repair & inspection guidelines
- Three WOG plants have ' spected m
- Oneplantwithminorindications
- Indications successfully repaired
- Testing continues for crack initiation, crack growth, & mitigation techniques
- NRC Issued SECY-97463 & Generic Letter 97-01
- SurveyofWOGPlantsIndicates
- No near term (<2 yrs) inspection plans fFlBadtfrT(It)
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WESTINGHOUSE OW.NERS GROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 II. WOG PRESENTATIONS..-
Alloy 600 RVHP Issues --
- ConsensusofWOGMaterialsSubcommittee Safety analysis remams valid for all P NR Owners Groups
- Plant rankings (industry or Owners Group specific) do not directly or indirectly effect the conclusions in SER
- WOG & Other OGs Will Continue to Participate on NEI Task Force
- WOG ResponsetoGLBasedonFeedteckofMembers
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WESTINGEOUSE OWNERS GROUPS WOG /.NRC INFORMATION MEETING I
APRIL 16,1997.
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+ SGInternalsDegradatloa Assessment
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- WOG is Acuve on NEI SG Task Force Responding to Potential GL
- WOG IRG recommended ts.sk team be fonned
- WOG Participated in 3/97 N E. JOG Chairmen's Meeting
- Review & Comment on Industry Response
- NEILetterIssued3/14/97 1
-,,,on WESTINGHOUSE OWNERS GROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 II. WOG PRESENTATIONS --
SG Internals Degradation Assessment--
- WOGPotentialProgramOutline
- Review information provided by EPRI causal factor assessment
- Compile existing secondary side inspection data
- Perform assessment ofW SGs for internals degradation characteristics
- Define design, fabrication, and manufacturing processes
. Review generic SG secondary side chemistry practices
- Peerreview
- Additional SG Analysis on a Model Specific Basis Willbe Performed as Necessary WWRchitPFf04) e
i WESTINGHOUSE OWNERS GROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 II, WOG PRESENTATIQhiS a
Risk-InformedPRA Applications j
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current Programs include NRC Ewlorsement ofRisk-Based IST Application to Pumps & Check Valves as well as Risk-Based ISI Application to Piping
- Future Program to Ikvelop Methodology for Extending AOTs Using j
Accumulator as a Model
- WOG Would Lika to Work Closely with the NRC on Finalisig the kisk-Informed SRPs and Reg Guides to Achieve Mutual Bene.Gts Issues need to be resolved to the satisfaction nf the NR C and industry (e.g. U'RF dermition nr.d uncertainty analysis requirements)
.I
- WOO Expectations ofRisk-Infortzed Applications WOG cxpects that implementation ofrisk-informed regulation should not lead to another level of regulatory requirements
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WESTINGHOUSE OWNERS GROUPS j
WOG / NRC INFORMATION MEETING APRIL 16,1997 j
j II. WOqyJESF.J7TATIONS --
Life Cycle Management / License Renewal Program
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- Endorsed by WOO Executive Advisory Committee (January,1993) d
- Program Authorized at the WOG-February 1993 General Session
- $8,225K Program
- 5 YearDuratica (19931997)
- BasicObjectives:
- Develop a Cost-effective Approcci. to License Renewal
- Assist Plants with Lir Cycle Management e
- Recognize and Utilize Maintenance Rule Activities which are i
Similar to licercx Renewal RuJe Requirements i
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i WESTINGHOUSE OWNEP" GROITPS WOG / NRC INFORMATION NEETING APRIL 16,1997 1
IL WOG PERSENTAT10F3_--
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. Life Cycle Managemcot1 License Renewal Program.-
. Currently Four Major Areas of Activity
- 1. GenericTechnical Reparts(G1Rs)
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- 2. LiliCytteManagement l
- 3. Generic LRImplementation Plan i
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- 4. Support for Implementing Plant Efrarts 1
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i WESTINGHOUSE OWNERS GROUPS WOG / NRC MFORMATION MEETING APRIL 16,1997 IL WOG PRESENTAli.0ES.--
+ Life Cycle Management / License Renewal Prog. ram.
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- GENEPJCTECHNICAL RE10R13(OTRs) l$ GTRs have been Completed or are Near Completion (6/97)
}'
= 4 GTRs have been Submitted to the NRC, One Additional G1R. vill 1
be submitted to the NRC t
4
,qTR Tith NRC Subtrdttaj RCS Supports, Rev 0/.1/2 7/95,3/96,3/97 Pressurizer 7/96 Class 1 Piping fs/96 Containments 12/96 j.:
RVInternals TBD
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L ri es WESTINGHOUSE OWNERS GROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 II.,WpG PRESENTATIONS.-
Life Cycle Management / License Renewal Program. w
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- WOO Expectations for Ocneric Technical Reports. w Expected Outcomes from NRC Review
+
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- Agree with GTR Scope
- Agree with identified aging ofTects, TLAAs and the evaluation of
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them
+ Aging cfTects needing management j
+ Aging effects NOT needing management j
- Approve the aging management program ettributes within t3e i
GTRs NRC Review hsues
- NRC Review Tbne i
+ Longer chronological time than expected
- m.,
- NRC Resaarces 4
t WESTINGHOUSE OWNERS GROUPS WOG / N'RC INFORMATION MEETING APRIL 16,1997 l
II. WOG PRESE.MIAllQtCi.-
Life Cyc!c Management / License Renewal Progr.un -
LicenseRenewalConcepts
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Ewlyin a newregulatory process
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Remain flexible as the pmcess matures WCG is still defining ard grouping concepts
- Evahiation Categories
- Design / Event / Aging / Regulatory l
- AgingMauagementTechniques
- Prevention / Mitigation /ConditionMonitonag/rerfonnance Monitoring
- Corrective Optionu i
+ Materia! Change /Environmentchange/ Continued Monitoring / Analysis
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WESTINGHOUSE OWNERS GROUPS WOG / NRC INFORMATION MEETING APRIL 16,1997 III. REVmW WOG NRC SUBMTITALS Priority of WOG Submittals Future Planned WCAP Submittals i
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1 WESTINGHOUSE OWNERS GROUFS WOG / NRC INFORMATION MEETING i
APRIL 16,1997 IV NRC Comments / Suggestions l
- Division ofEngineering Review of WOG Risk Ranking of MOVs for GL 96-05 Periodic Verification
- GridReliability Action Item Review
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WESTINGIIOUSE OWNERS GROUPS WOG / NRC INFORMATION MEETING i
APRIL 16,1997 IV. CLQSNG COMMENTS i
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Table 1: WOG WCAPs Submitted to NRC WOG Estimated WCAP #
Priority Title OG Letter Lead Plant SER Date Actions / Comments 12476 13 Evaluation of LOCA During Mode 3 and Mode OG-91-61 Generic TBD No review currently ongoing, 4 Operation for Westinghouse NSSS November 27,1991 issue will event talfy be resolved through the shutdown rulemaking.
MPR-1807, Joint BWR and Westinghouse Owners Group OG-97-018 March Generic Provided in response to GL Pa O Program on Motor-Operated Valve (MOV) 3,1997 96-05 Penodic Verification License Renewal Submittals WOG Estimated WCAP #
Priority Title OG Ietter Lead Plant SER Date Actions / Comments I4422,Rev.2 1
License Renewal Evaluation' Aging OG-97-024 Generic TBD WOG has responded o several Management for Reactor Coolant Supports Mach 4,1997 sets of RAls 14575 2
License Renewal Evaluation: Aging 0G-96-071 Generic TBD Management for Class 1 Piping August 23,1996 14574 3
License Renewal Evaluation: Aging OG-96-052 Generic TBD WOG has responded to RAls Management for Pressurizer July 3,1996 14756 4
License RenewalEvaluation : Aging OG-96-103 Generic TBD Management for Pressunzed Water Reactor December 11,1996 Containment Structure 14577 5
License Renewal Evaluation: A-ing 2nd quarter,1997 Generic TBD Managentent for Reactor Vessefinternals
+ Estimated SER dates provided by NRC (Claudia Craig) on January I/14/97 WCAP,TBLDOC C)
Revoedhsued W 16.1997
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i Table'2: Anticipated WOG WCAP Submittals to NRC WOG Estimated WCAP #
Priority Title Submittal Date Comments XXXXX Relaxation of PASS Requirements (NUREG-0737) 2nd quarter,1997 14036 Elimination of Periodic Protection Channel Response Time Tests 2nd quarter,1997 Farley Lead Plant XXXXX RT & ESF Logic and RxTrip AOT and STI 3rd Quarter,1997 XXXXX l Accumulator AOT 2nd quarter,1997 Application Specific Integrated Circuits (ASICs) Program WOG Estimated WCAP #
Priority Title Submittal Date Comments XXXXX ASICS Development Program 2nd quarter,1997 South Texas lead Plant e
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+ Estimated SER dates provided by NRC acn_nn noem a-.iw. w iom
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s Table 1: WOG WCAPS Submitted to NRC WOG Estimated WCAP #
Pricrity Title OG Letter Lead Plant SER Date Actions / Comments 14333-P 1
Probabilistic Risk Analysis of the RPS and OG-95-$1 Ginna
1997 responses to RAls 14483 2
Generic Methodology for Expanded Core OG-95-093 Point Beach On Hold
- Review at least 1 year away Operating Limits Report December 1,1995 due to NRC need to address generic COLRissues 14696 3
Core Damage Assessment Guidance OG-96-098 D.C. Cook TBD+
NRC stated review will not November 22,1996 start until 12/97. Lead plant submittal expected 6/97 14358 and 4
WOG Application of Risk-Based Methods to OG-96-078 Vogtle On Hold +
NRC issued letter 10/96 14358 Check Vahe IST - Class 3 non-prop.
September 5,1996 stating generic issues must be Supplement resolved first 14572 5
WOG Application of Risk Based Methods to Submitted by NEI Millstone 3 Surry TBD Piping Inservice Inspection April 4,1996 2
14486 6
ECCS Hot Leg Recirculation Elindna' ion for OG-96-054 Comanche Peak TBD Westinghouse 3 and 4 IAop Design NSSS July 18,1996 14571 7
WOG Application of Risk / Based Methods to OG-964)?7 Shearonllarris On Hold +
NRCissued letter 10/96 Pump IST-Class 3 non-prop.
September 5,1996 stating gen:ric issues must be relved first 14748/14749 8
Justification for increasing Postulated Break OG-97-006 Generic TBD Opening Times in Westinghouse Pressurized January 31,1997 Water Reactors 13877 9
Reliability Assessment of Westinghouse Type TVA LAR
! Watts Bar TBD Under Resiew, Responsed to AR Relays Used as SSPS Slave Relays February 28,1996 RAIs received Septemir. 3, 1996 14750
.10 RCS Flow Verification Using Elbow Taps at Submitted by Farley TBD Submittal noted generic Westinghouse 3-Loop PWRs Southern Company applicability to 3-loop (\\V)
November 26,1996.
PWRs 10541,Rev.2 11 Reactor Coolant Pump Seal Perfonnance, OG-84-122 Generic On Hold
- WCAP not actively being Following Loss of All AC Power May 3,1984 reviewed because fmal OG-86-2G5 (Rev. 2) generic resolution ofissue is December 10,1986 being evaluated 11992 12 Joint Westinghouse /WOG Program: ATWS OG-95-41 Byron On Hold
- NRC to issue letter Rule Administration Process May 2,1995 documenting their positions expressed in 12/96 mtg.
+ Estimated SER dates provided by NRC (Claudia Cmig) on January 1/14/97 wa_mtecc o >
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GRID RELIABILITY ISSUE l
MILLSTONE / HADDAM NECK SHUTDOWN LED TO i
GRID CONCERNS IN CONNECTICUT DURING THE SUMMER OF 1996 j
WESTERN GRID SYSTEM EXPERIENCED MAJOR UPSETS IN 19y6 (ALTHOUGH NO NUCLEAR POWER i
PLANT LOST ITS OFFSITE. POWER SOURCE)
)
FREQUENT LOSS OF OFFSITE POWER EVENTS TO l
NUCLEAR POWER PLANTS WOULD LEAD TO i
ADDITIONAL CHALLENGES TO SSCs AND WOULD l
PLACE GREATER DEPENDENCE ON THE ONSITE POWER SYSTEMS UTILITY DEREGULATION HAS THE POTENTIAL TO
. ADVERSELY. AFFECT GRID STABILITY, BRINGING l
INTO QUESTION LICENSING BASIS OF PLANTS. NRC
}
WILL BE CL.OSELY MONITORING GRID STABILITY AND IS PREPARED TO TAKE ACTIONS AS NECESSARY.
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cc:
Mr. Nicholas Liparulo
]
Westinghouse Electric Corporation i
Mail Stop ECE 4-15 P.O. Box 355 Pittsburgh, PA 15230-0355-i Mr. Andrew Drake, Project Manaer i
2 Westinghouse Owners Group Westinghouse Electric Corporation Mail Stop ECE 5-16 P.O. Box 355 2
i Pittsburgh, PA 15230-0355 i
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