|
|---|
Category:MEETING MINUTES & NOTES--CORRESPONDENCE
MONTHYEARML20207L7711999-03-11011 March 1999
Summary of 990223 Meeting with NSP to Discuss Potential NRC Review Process for New Core & Thermal Hydraulic Computer Modeling Methods Currently Under Evaluation by NSP
ML20207L7611999-03-0909 March 1999
Summary of 990224 Meeting with NSP Re Implications of NSP Recently Extended Commitment for Monticello ITS Submittal, Implications of NRC Initiative Toward risk-informed TSs & Interfacing ITS Conversion
ML20198J1651998-12-15015 December 1998
Summary of 981118 Meeting with Util in Rockville,Md Re Ampacity Validation Analyses.List of Attendees & Handouts Provided by Util Encl
ML20196F6101998-12-0101 December 1998
Summary of 981029 Meeting with Northern States Power, Wisconsin Electric,Wisconsin Public Service & Alliant-IES in Rockville,Md Re Various Aspects of Potential Regulatory Issues Associated with Ongoing Cooperative Efforts
ML20206S6301998-06-17017 June 1998
Summary of 980602 ACRS Thermal Hydraulic & Severe Accident Phenomena Subcommitteemeeting in Rockville,Md Re GE Extended Power Uprate Program for Operating BWRs & NSP lead-plant Application for Power Uprate
ML20217K4731998-04-29029 April 1998
Summary of 980423 Meeting W/Great Bay Power Corp Re Great Bay Power Corp Response to Request for Addl Re Decommissioning Funding Assurance
ML20203B4761998-02-11011 February 1998
Summary of 980128 Meeting W/Util in Rockville,Md Re Licensee Application for License Amend .List of Attendees & Licensee Response to Questions Encl
ML20198L2821998-01-0505 January 1998
Summary of 971219 Meeting W/Util in Rockville,Md Re Decommissioning Funding Assurance.List of Attendees Encl
ML20202C7341997-11-17017 November 1997
Summary of 971023 Meeting W/Westinghouse in Rockville,Md Re Axial Offset Anomaly (Aoa) & Seabrook Fuel Failures.Copy of non-proprietary Presentation Matl & List of Participants Encl
ML20198Q5881997-10-31031 October 1997
Summary of 970910 Meeting W/Util in Rockville,Md Re Status of BWR Power Uprate Program.List of Attendees,Agenda & Handouts Encl
IR 05000424/19970991997-10-0202 October 1997
Summary of 970924 Meeting to Discuss NRC SALP Repts 50-424/97-99 & 50-425/97-99,dtd 970915 for Facility.List of Attendees,Summary of Matls Used & Presentation Encl
ML20211F8071997-09-22022 September 1997
Summary of 970911 Meeting W/Northern States Power Co in Rockville,Md Re Equipment Environ Qualification Program. List of Attendees Encl
ML20216G5171997-09-0404 September 1997
Summary of 970805 Meeting W/Util Re Thermo-Lag Corrective Actions at Peach Bottom & Limerick.List of Attendees & Meeting Handouts Encl
ML20217L8701997-08-14014 August 1997
Summary of 970731 Meeting W/Southern Nuclear Operating Co, Inc in Birmingham,Al Re Plant Status,Major Problems & Other Topics at Farley,Hatch & Vogtle Nuclear Plants.List of Attendees & Presentation Handouts Encl
ML20140F3561997-04-30030 April 1997
Summary of 970414 Meeting W/Util in Rockville,Md to Discuss Issues Associated W/Use of Thermo-Lag Fire Barrier Matl at Plants.Meeting Attendees & Handouts Encl
ML20138C8081997-04-25025 April 1997
Summary of 970410 Meeting W/Peach Bottom Atomic Power Station in Rockville,Md Re Planned Construction of Sf Dry Cask Storage Facility for Units 2 & 3.List of Attendees & Copy of PECO Meeting Handout Encl
ML20133G1401997-01-10010 January 1997
Summary of 961025 Meeting W/Peco in Delta,Pa Re Status of Licensing Actions Associated W/Plants.List of Attendees & Copy of Presentation Matl Encl
ML20132D1331996-12-13013 December 1996
Summary of 961105 Meeting W/Northern States Power & GE to Discuss Contents of 960726 License Amend Request,Pertaining to Monticello Extended Power Uprate Program & Supporting Activities
ML20058G7841993-12-0202 December 1993
Summary of 931103 Meeting W/Util in Rockville,Md Re Evaluation of Core Shroud Indications at Plant.List of Attendees & Meeting Handouts Encl
ML20058F0451993-11-24024 November 1993
Summary of 931103 Meeting W/Util in Rockville,Md Re Submittal Plans for Cost Beneficial Licensing Actions & to Get Feedback from NRC Staff.List of Attendees Encl
ML20058A1931993-11-18018 November 1993
Summary of 931110 Meeting W/Util in Rockville,Md to Discuss Operational Problems,Plant Performance,Recent Personnel & Organizational Changes,Response to 10CFR2.206 Petition & Actions Re Employee Concerns.Viewgraphs Encl
ML20059B0971993-10-20020 October 1993
Summary of Operating Reactors Events Meeting 93-39 on 931013
ML20057F2811993-10-12012 October 1993
Summary of 930929 Meeting W/Util Re Installation of Water Level Monitoring Instrumentation at Plant.List of Attendees & Presentation Slides Encl
ML20058N0011993-09-30030 September 1993
Summary of 930902 Meeting W/Peco Re Installation of Certain Planned analog-to-digital Retrofit Mods During Scheduled Sept 1993 Facility Outage
ML20058M9451993-09-29029 September 1993
Summary of 930908-09 Meeting W/Util in Rockville,Md Re Status of Current Licensing Activities for Plants
ML20058M1861993-09-22022 September 1993
Summary of Operating Reactors Events Meeting 93-35 on 930915
ML20057B6051993-09-16016 September 1993
Summary of 930831 Meeting W/Util in Rockville,Md Re Two Potential Mod Currently Being Considered to Enhance Util Electric Power Sys
ML20057B4771993-09-15015 September 1993
Summary of 930824 Meeting W/Util Re Implementation of dual-site Senior Reactor Limited to Fuel Handling (Lsr) Program.List of Meeting Attendees & Meeting Handouts Encl
ML20149D6051993-09-15015 September 1993
Summary of 930708 Region III Annual Training Managers Conference in Glen Ellyn,Il.Purpose of Meeting to Provide Forum for Discussion on Rev 7 of Operator Licensing Examiner Stds & to Discuss Operator Licensing Issues
ML20057A5691993-09-0202 September 1993
Summary of 930809 Meeting W/Util in Wayne,Pa Re Various Licensing Activities Re Plants.List of Attendees Encl
ML20056F8171993-08-0909 August 1993
Summary of Operating Reactors Events Meeting 93-29 on 930804.List of Attendees & Viewgraphs Encl
ML20056D9841993-05-18018 May 1993
Summary of Operating Reactors Events Meeting 93-17 on 930512
ML20128K0041993-02-11011 February 1993
Summary of 930107 Meeting W/Utils in Rockville,Md to Provide Forum for Licensees to Present Staff W/Info Re Design, Operational & Testing Experience & Justification for long- Term Operability of Alternate Min Flow Path
ML20128K8261993-02-0909 February 1993
Summary of 921123-24 Meeting in King of Prussia,Pa Re Region I Positions on Operator Licensing Issues & Solicit Input from Util Training Staffs
ML20128H6211993-02-0808 February 1993
Summary of 921123-24 Meeting in King of Prussia,Pa Re Positions on Operator Licensing Issues & to Solicit Input
ML20128C7481993-01-28028 January 1993
Summary of Operating Reactors Events Meeting 93-03 on 930127.List of Attendees & Elements Discussed Encl
ML20126K5111992-12-30030 December 1992
Summary of Operating Reactors Events Meeting 92-022 on 921223.Reactor Scram Statistics for Wk Ending 921230 Encl & List of Attendees Encl
ML20126F1241992-12-10010 December 1992
Summary of 921201 Meeting W/Util in Rockville,Md Re Various Licensing Activities.List of Attendees Encl
ML20125E2221992-12-0404 December 1992
Summary of 921123 Meeting W/Util in Rockville,Md Re Transfer of Emergency Planning Responsibility to Commonwealth of Ma. Meeting Agenda,List of Attendees & to FEMA Encl
ML20217C5121991-07-0303 July 1991
Summary of Operating Reactors Events Meeting 91-12 on 910626
ML20198C6831991-06-26026 June 1991
Summary of 910621 Public Meeting at Science & Nature Ctr, Seabrook,Nh Re Weld Radiographic Concerns
ML20058D5281990-10-30030 October 1990
Summary of 901016 Meeting W/Util Re Removal of Limitations Imposed on Use of Odcm.Util Will Submit Formal Request
ML20055H3741990-07-20020 July 1990
Summary of 900727 Presentation by Util Re Facility Cycle 2 Fuel Design & Future Fuel Activities.License Amend Will Be Needed for Plant to Go to Higher Enrichment Fuel for 18-month Cycle.Viewgraphs Encl
ML20129F5871990-07-12012 July 1990
Summary of 900712 VEGP Plant Review Board Meeting 90-96 Re Listed Procedures Including Procedure 00663-C,Rev 0, Fitness-For-Duty Program
ML20055F8001990-07-12012 July 1990
Summary of 900611 Meeting W/Utils to Discuss Merger Arrangements on Future Operation of Facility
ML20055F7341990-07-11011 July 1990
Summary of 900628 Interface Meeting W/Util in Birmingham,Al Re Potential Issues Affecting Both NRC & Licensee Organizations.Next Interface Meeting Tentatively Set for Dec 1990 or Jan 1991.Agenda Encl
ML20129H0511990-06-21021 June 1990
Summary of 900621 Plant Review Board Meeting 90-84.Items Unanimously Recommended for Approval,Listed
ML20129H0401990-05-10010 May 1990
Minutes of 900510 Plant Review Board Meeting 90-67.Submits List of Items That Were Unanimously Recommended for Approval W/Comments
1999-03-09
[Table view]
Category:MEETING SUMMARIES-INTERNAL (NON-TRANSCRIPT)
MONTHYEARML20207L7711999-03-11011 March 1999
Summary of 990223 Meeting with NSP to Discuss Potential NRC Review Process for New Core & Thermal Hydraulic Computer Modeling Methods Currently Under Evaluation by NSP
ML20207L7611999-03-0909 March 1999
Summary of 990224 Meeting with NSP Re Implications of NSP Recently Extended Commitment for Monticello ITS Submittal, Implications of NRC Initiative Toward risk-informed TSs & Interfacing ITS Conversion
ML20198J1651998-12-15015 December 1998
Summary of 981118 Meeting with Util in Rockville,Md Re Ampacity Validation Analyses.List of Attendees & Handouts Provided by Util Encl
ML20196F6101998-12-0101 December 1998
Summary of 981029 Meeting with Northern States Power, Wisconsin Electric,Wisconsin Public Service & Alliant-IES in Rockville,Md Re Various Aspects of Potential Regulatory Issues Associated with Ongoing Cooperative Efforts
ML20206S6301998-06-17017 June 1998
Summary of 980602 ACRS Thermal Hydraulic & Severe Accident Phenomena Subcommitteemeeting in Rockville,Md Re GE Extended Power Uprate Program for Operating BWRs & NSP lead-plant Application for Power Uprate
ML20217K4731998-04-29029 April 1998
Summary of 980423 Meeting W/Great Bay Power Corp Re Great Bay Power Corp Response to Request for Addl Re Decommissioning Funding Assurance
ML20203B4761998-02-11011 February 1998
Summary of 980128 Meeting W/Util in Rockville,Md Re Licensee Application for License Amend .List of Attendees & Licensee Response to Questions Encl
ML20198L2821998-01-0505 January 1998
Summary of 971219 Meeting W/Util in Rockville,Md Re Decommissioning Funding Assurance.List of Attendees Encl
ML20202C7341997-11-17017 November 1997
Summary of 971023 Meeting W/Westinghouse in Rockville,Md Re Axial Offset Anomaly (Aoa) & Seabrook Fuel Failures.Copy of non-proprietary Presentation Matl & List of Participants Encl
ML20198Q5881997-10-31031 October 1997
Summary of 970910 Meeting W/Util in Rockville,Md Re Status of BWR Power Uprate Program.List of Attendees,Agenda & Handouts Encl
IR 05000424/19970991997-10-0202 October 1997
Summary of 970924 Meeting to Discuss NRC SALP Repts 50-424/97-99 & 50-425/97-99,dtd 970915 for Facility.List of Attendees,Summary of Matls Used & Presentation Encl
ML20211F8071997-09-22022 September 1997
Summary of 970911 Meeting W/Northern States Power Co in Rockville,Md Re Equipment Environ Qualification Program. List of Attendees Encl
ML20216G5171997-09-0404 September 1997
Summary of 970805 Meeting W/Util Re Thermo-Lag Corrective Actions at Peach Bottom & Limerick.List of Attendees & Meeting Handouts Encl
ML20217L8701997-08-14014 August 1997
Summary of 970731 Meeting W/Southern Nuclear Operating Co, Inc in Birmingham,Al Re Plant Status,Major Problems & Other Topics at Farley,Hatch & Vogtle Nuclear Plants.List of Attendees & Presentation Handouts Encl
ML20140F3561997-04-30030 April 1997
Summary of 970414 Meeting W/Util in Rockville,Md to Discuss Issues Associated W/Use of Thermo-Lag Fire Barrier Matl at Plants.Meeting Attendees & Handouts Encl
ML20138C8081997-04-25025 April 1997
Summary of 970410 Meeting W/Peach Bottom Atomic Power Station in Rockville,Md Re Planned Construction of Sf Dry Cask Storage Facility for Units 2 & 3.List of Attendees & Copy of PECO Meeting Handout Encl
ML20133G1401997-01-10010 January 1997
Summary of 961025 Meeting W/Peco in Delta,Pa Re Status of Licensing Actions Associated W/Plants.List of Attendees & Copy of Presentation Matl Encl
ML20132D1331996-12-13013 December 1996
Summary of 961105 Meeting W/Northern States Power & GE to Discuss Contents of 960726 License Amend Request,Pertaining to Monticello Extended Power Uprate Program & Supporting Activities
ML20058G7841993-12-0202 December 1993
Summary of 931103 Meeting W/Util in Rockville,Md Re Evaluation of Core Shroud Indications at Plant.List of Attendees & Meeting Handouts Encl
ML20058F0451993-11-24024 November 1993
Summary of 931103 Meeting W/Util in Rockville,Md Re Submittal Plans for Cost Beneficial Licensing Actions & to Get Feedback from NRC Staff.List of Attendees Encl
ML20058A1931993-11-18018 November 1993
Summary of 931110 Meeting W/Util in Rockville,Md to Discuss Operational Problems,Plant Performance,Recent Personnel & Organizational Changes,Response to 10CFR2.206 Petition & Actions Re Employee Concerns.Viewgraphs Encl
ML20059B0971993-10-20020 October 1993
Summary of Operating Reactors Events Meeting 93-39 on 931013
ML20057F2811993-10-12012 October 1993
Summary of 930929 Meeting W/Util Re Installation of Water Level Monitoring Instrumentation at Plant.List of Attendees & Presentation Slides Encl
ML20058N0011993-09-30030 September 1993
Summary of 930902 Meeting W/Peco Re Installation of Certain Planned analog-to-digital Retrofit Mods During Scheduled Sept 1993 Facility Outage
ML20058M9451993-09-29029 September 1993
Summary of 930908-09 Meeting W/Util in Rockville,Md Re Status of Current Licensing Activities for Plants
ML20058M1861993-09-22022 September 1993
Summary of Operating Reactors Events Meeting 93-35 on 930915
ML20057B6051993-09-16016 September 1993
Summary of 930831 Meeting W/Util in Rockville,Md Re Two Potential Mod Currently Being Considered to Enhance Util Electric Power Sys
ML20149D6051993-09-15015 September 1993
Summary of 930708 Region III Annual Training Managers Conference in Glen Ellyn,Il.Purpose of Meeting to Provide Forum for Discussion on Rev 7 of Operator Licensing Examiner Stds & to Discuss Operator Licensing Issues
ML20057B4771993-09-15015 September 1993
Summary of 930824 Meeting W/Util Re Implementation of dual-site Senior Reactor Limited to Fuel Handling (Lsr) Program.List of Meeting Attendees & Meeting Handouts Encl
ML20057A5691993-09-0202 September 1993
Summary of 930809 Meeting W/Util in Wayne,Pa Re Various Licensing Activities Re Plants.List of Attendees Encl
ML20056F8171993-08-0909 August 1993
Summary of Operating Reactors Events Meeting 93-29 on 930804.List of Attendees & Viewgraphs Encl
ML20056D9841993-05-18018 May 1993
Summary of Operating Reactors Events Meeting 93-17 on 930512
ML20128K0041993-02-11011 February 1993
Summary of 930107 Meeting W/Utils in Rockville,Md to Provide Forum for Licensees to Present Staff W/Info Re Design, Operational & Testing Experience & Justification for long- Term Operability of Alternate Min Flow Path
ML20128K8261993-02-0909 February 1993
Summary of 921123-24 Meeting in King of Prussia,Pa Re Region I Positions on Operator Licensing Issues & Solicit Input from Util Training Staffs
ML20128H6211993-02-0808 February 1993
Summary of 921123-24 Meeting in King of Prussia,Pa Re Positions on Operator Licensing Issues & to Solicit Input
ML20128C7481993-01-28028 January 1993
Summary of Operating Reactors Events Meeting 93-03 on 930127.List of Attendees & Elements Discussed Encl
ML20126K5111992-12-30030 December 1992
Summary of Operating Reactors Events Meeting 92-022 on 921223.Reactor Scram Statistics for Wk Ending 921230 Encl & List of Attendees Encl
ML20126F1241992-12-10010 December 1992
Summary of 921201 Meeting W/Util in Rockville,Md Re Various Licensing Activities.List of Attendees Encl
ML20125E2221992-12-0404 December 1992
Summary of 921123 Meeting W/Util in Rockville,Md Re Transfer of Emergency Planning Responsibility to Commonwealth of Ma. Meeting Agenda,List of Attendees & to FEMA Encl
ML20217C5121991-07-0303 July 1991
Summary of Operating Reactors Events Meeting 91-12 on 910626
ML20198C6831991-06-26026 June 1991
Summary of 910621 Public Meeting at Science & Nature Ctr, Seabrook,Nh Re Weld Radiographic Concerns
ML20058D5281990-10-30030 October 1990
Summary of 901016 Meeting W/Util Re Removal of Limitations Imposed on Use of Odcm.Util Will Submit Formal Request
ML20055H3741990-07-20020 July 1990
Summary of 900727 Presentation by Util Re Facility Cycle 2 Fuel Design & Future Fuel Activities.License Amend Will Be Needed for Plant to Go to Higher Enrichment Fuel for 18-month Cycle.Viewgraphs Encl
ML20055F8001990-07-12012 July 1990
Summary of 900611 Meeting W/Utils to Discuss Merger Arrangements on Future Operation of Facility
ML20129F5871990-07-12012 July 1990
Summary of 900712 VEGP Plant Review Board Meeting 90-96 Re Listed Procedures Including Procedure 00663-C,Rev 0, Fitness-For-Duty Program
ML20055F7341990-07-11011 July 1990
Summary of 900628 Interface Meeting W/Util in Birmingham,Al Re Potential Issues Affecting Both NRC & Licensee Organizations.Next Interface Meeting Tentatively Set for Dec 1990 or Jan 1991.Agenda Encl
ML20129H0511990-06-21021 June 1990
Summary of 900621 Plant Review Board Meeting 90-84.Items Unanimously Recommended for Approval,Listed
ML20129H0401990-05-10010 May 1990
Minutes of 900510 Plant Review Board Meeting 90-67.Submits List of Items That Were Unanimously Recommended for Approval W/Comments
1999-03-09
[Table view] |
Text
<- ,
August 9, 1993 MEMORANDUM FOR: Brian K. Grimes, Director Division of Operating Reactor Support FROM: Alfred E. Chaffee, Chief Events Assessment Branch Division of Operating Reactor Support
SUBJECT:
OPERATING REACTORS EVENTS BRIEFING AUGUST 4, 1993 - BRIEFING 93-29 On August 4, 1993, we conducted an Operating Reactors Events Briefing (93-29) to inform senior managers from offices of the Chairman, EDO, AEOD, RES, NRR, OE, ACRS, and regional offices of selected events that occurred since our last briefing on July 28, 1993. Enclosure 1 lists the attendees. Enclosure 2 presents the significant elements of the discussed events.
Enclosure 3 contains reactor scram statistics for the week ending August 1, 1993. No significant events were identified for input into the NRC Performance Indicator Program.
[ original signed by Robert L. Dennig for]
Alfred E. Chaffee, Chief Events Assessment Branch Division of Operating Reactor Support
Enclosures:
As stated DISTRIBUTION:
. Central Files
- cc w/ enclosures: PDR See next page LKilgore, SECY EAB R/F '
KGray RDennig EGoodwin DSkeen EBenner S.
du OT" g 6N 4 h $D O
B/ DOR KGray EAB/ DORS EGoodwin Abhaf
- S e
gu 08/o$/93 >8 /93 08/p/93 08/}/93 OFFICIAL RECORD COPY g g S)_ m ,/:!"/
DOCUMENT NAME: ORTRANS.KAG (G:\KAG) 'l, .f
( (, y . -
.,aw, 9308310139 930809 NRC FILE CENTER CDPV ., i
/ ) ,
PDR ORG NRRB gi
. ~
4' ,
i s'
cc:
T. Murley, NRR (12G18)
F. Miraglia, NRR (12G18)
F. Gillespie, NRR (12G18)
J. Partlow, NRR (12G18) ,
S. Varga, NRR (14E4)
J. Calvo, NRR (14A4)
G. Lainas, NRR (14H3)
J. Roe, NRR (13E4)
J. Zwolinski, NRR (13H24)
E. Adensam, NRR (13E4)
W. Russell, NRR (12G18)
J. Wiggins, NRR (7D26)
A. Thadani, NRR (8E2)
S. Rosenberg, NRR (10E4)
C. Rossi, NRR (9A2)
B. Boger, NRR (10H3)
F. Congel, NRR. (10E2)
D. Crutchfield, NRR (11H21) #
W. Travers, NRR (11B19)
D. Coe, ACRS (P-315)
E. Jordan, AEOD (MN-3701)
G. Holahan, AEOD (MN-9112)
L. Spessard, AEOD (MN-3701)
K. Brockman, AEOD (MN-3206)
S. Rubin, AEOD (MN-5219)
M. Harper, AEOD (MN-9112)
G. Grant, EDO (17G21)
R. Newlin, GPA (2G5)
E. Beckjord, RES (NLS-007) '
A. Bates, SECY (16G15)
T. Martin, Region I W. Kane, Region I C. Hehl, Region I S. Ebneter, Region II E. Merschoff, Region II S. Vias, Region II J. Martin, Region III E. Greenman, Region III J. Milhoan, Region IV B. Beach, Region IV B. Faulkenberry, Region V K. Perkins, Region V bec: Mr. Sam Newton, Manager Events Analysis Department Institute of Nuclear Power Operations 700 Galleria Parkway Atlanta, GA 30339-5957
?
j i ENCLOSURE 1 l
\
LIST OF ATTENDEES OPERATING REACTORS EVENTS FULL BRIEFING (93-29) :
i AUGUST 4, 1993 i
NAME OFFICE NAME OFFICE !
J. PARTLOW NRR P. GILL NRR :
B. SRIMES NRR A. PAL NRR !
- A. CHAFFEE NRR C. THOMAS NRR l E. BENNER NRR C. ROSSI NRR !
! K. GRAY NRR S. VARGA NRR l T. KOSHY NRR M. VIRGILIO NRR J. RAMSEY NRR K. SHEMBARGER OCM/IS ,
S. FLANDERS NRR J. SEGALA OE !
'G. MARCUS NRR D. COE ACRS I D. SHUM NRR F. BRUSH RIII T. YAMADA NRR A. GODY, JR. OEDO !
W. JOHNSON NRR J. GIITTER AEOD i C. BAJWA NRR A. SERKIZ RES I J. KING NRR !
I TELEPHONE ATTENDANCE ;
(AT ROLL CALL) ,
i Reaions Resident Inspectors ;
) Region II l
] Region III ,
Region IV l l
Region V !
y f
IIT/AIT Team Leaders Misc. !
f l
i i
I
- a. ,
ENCLOSURE 2 i
j l
i I
I l
OPERATING REACTORS EVENTS BRIEFING 93-29 LOCATION: 10 B11, WHITE FLINT WEDNESDAY, AUGUST 4, 1993, 11:00 A.M. ,
KOLA STATION BLACK 0UT .
l i
I l
l PRESENTED BY: EVENTS ASSESSMENT BRANCH DIVISION OF OPERATING REACTOR :
SUPPORT, NRR i
l
/
93-29 i KOLA STATION BLACK 0UT ,
FEBRUARY 2, 1993 :
PROBLEM '
GRID DISTURBANCES DUE TO AREA TORNADO CAUSED ALL FOUR .
UNITS TO TRIP. ONSITE POWER MALFUNCTIONS CAUSED TWO UNITS TO BE IN STATION BLACK 0UT (SB0).
CAUSE :
EMERGENCY DIESEL GENERATORS (EDGs) FOR UNITS 1 AND 2 WERE I
RENDERED IN0PERABLE BY DEPLETION OF THE STARTING AIR
- INVENTORY AND OVERLOADING 0F THE EDGs.
SAFETY SIGNIFICANCE SB0 IS A SIGNIFICANT PRECURSOR TO CORE DAMAGE. '
DISCUSSION FEBRUARY 2, 1993: TORNADO CAUSES 330KV, 154KV, AND 110KV TRANSMISSION LINES IN GRID TO BE DAMAGED.
. UNIT 1 !
02:27 TURBINE GENERATOR 2 (TG-2) TRIPPED BY SYSTEM l EMERGENCY PROTECTION 02:32 GRID FREQUENCY RISES TO 53 Hz. SCRAM (AZ1) ACTUATED ON CORE PRESSURE DIFFERENCE INCREASE DUE TO INCREASED REACTOR COOLANT PUMP (RCP) FLOWRATE.
EDGs START BUT TRIP DUE TO ESSENTIAL BUSSES BEING POWERED CONTACT: E. BENNER, NRR/ DORS AIT: li/LA
REFERENCE:
NUCLEONICS WEEK SIGEVENT: N/A VOLUME 34, NUMBER 7
J KOLA 93-29 l l
SINCE AZ1 SIGNAL STILL PRESENT, EDGs START AND TRIP FOR I SEVERAL CYCLES, DEPLETING STARTING AIR SUPPLY.
l
=05:00 POWER SUPPLIED TO SITE BY OFFSITE SOURCE (NIVA-1 NYDR0 ELECTRIC STATION) ,
a UNITS 2. 3 AND 4 - NO NON-PROPRIETARY INFORMATION AVAILABLE.
DISCUSSION l o EDG RUN ALG0RITHM: EDGs START ON SCRAM SIGNAL OR LOSS OF POWER TO ESSENTIAL BUS. IF ESSENTIAL BUS IS ENERGIZED OR UNDER VOLTAGE, EDGs OPERATE AT IDLE FOR 1.5 MINUTES AND THEN AUTOMATICALLY TRIP.
~
o UNITS 1 AND 2 EXPERIENCED VIOLATIONS OF SAFE OPERATING LIMITS AND CONDITIONS. t o UNITS 3 AND 4 EXPERIENCED N0 VIOLATIONS OF SAFE OPERATING LIMITS OR CONDITIONS.
l l
f
. - .
,. , D4 CLOSURE 3 i
I
- ) l REACTOR SCRAM ReportinD Perlo:!: 07/26/93 to 08/01/93 !
l YTD YTD ABOVE BELOW YTD l g PtawT & tfw!T POWER M CAUSE C W LfCATIOWS 15% 15% TOTat j 07/27/93 SEAEROCK 1 100 SA Eqsipment Failure NO 4 0 4 i
07/2E/93 vo;Ttt 1 I 100 SA Maintenance Error WO 2 1 3 i
C7/30/93 PEACH SOTTOM 3 99 SM Maintenance Error to 2 0 2 C7/31/93 MowTICEtto 1 100 SA Equipment f atture WD 2 1 3
!i l
t t
i i
P l
i l
i i
1 l
l I
I I
?
t l
i
?
l i
1 i
Cote: Year To Date (YTD) Totals inclu:le Events Within The CeleMar Year Indicated By The End Date Of The specified Reporting Period I i
ETS-10 Page:1 08/04/93 E 5
n e
. + . ;
J COMPARISON Of WEEKLY SCRAM $1AilSTICS WITH INDUSTRY AVERAGES f PERIOD EWDlWG C8/01/93 :
WUMBER 1993 1992 1991* 199D* 1989*
OF WEEKLY WEEKLY WEEKLY WEEKLY WEEKLY '
SCRA* E A L'!E SCRAMS AVERACE AVE RAGE AVE R AGE AVERAGE '
AVERAGE (YTD)
POWER GGE ATER THAh OR EQUAL TO 15%
EUIPMENT FAILDRE* 2 1.9 2.6 2.9 3.4 3.1 DE51Lh/lhSTALLAT10h ERROR
OPERATIkG ERROR
- C 0.3 0.2 0.6 0.5 1.0 MAlWTEnAECE ERROR
EXTERNAL
4 CTNER* O 0.0 0.2 - -
0.1 subtotal 4 3.0 3.4 3.5 3.9 4.2 6
POWER LESS THAN 15%
EQUIPMENT FAILURE
- O 0.4 0.4 0.3 0.4 0.3 DESICA/lkSTALLATIDh ERROR
OPERAT!WG ESROR* O 0.2 0.1 0.2 0.1 0.3 MAlWTEkANCE ERROR
ENTERhAL* 0 0.0 - - - -
f DThER* 0 0.0 0.1 - - -
i Subtctal 0 0.6 0.7 0.5 0.5 0.6 l
TOTAL 4 3.6 4.1 4.0 4.4 4.8 ,
I i
I 1993 1992 1991 1990 1989 WD OF WEEKLY WEEKLY WEEKLY WEEKLY WEEKLY SCSAu tvDE SCRAMS AVERAGE AVERAGE AVERAGE AVERACE AVE R ACE (YTD) !
TOTAL AUTtmATIC SCRAwS 3 2.6 3.1 3.3 3.2 3.9 l
t TOTAL MAWUAL SCRAMS 1 1.1 1.0 0.7 1.2 0.9 TOTALS MAY LIFFER BECAUSE OF ROUNDING OFF
- Detailed breakdown not in database for 1991 and earlier
- EXTERAAL cause included in EDU!FHENT FAILURE
- MAINTEkAhCE ERROR m d DE51Lk/lhSTALLAtt0W ERROR causes incluoed in OPERATikG ERRM
- OTHER cause inclu3ed in EQUIPMENT FAILURE 1991 a d 1990 '
I ETE.14 Page: 1 08/04/93 i
(" . . . n .
[ NOTES ;
i
- 1. PLANT SPECIFIC DATA BASED ON INITIAL REVIEW OF 50.72 REPORTS FOR THE !
WEEK OF INTEREST. PERIOD IS MIDNIGHT SUNDAY THROUGH MIDNIGHT SUNDAY.
SCRAMS ARE DEFINED AS REACTOR PROTECTIVE ACTUATIONS WHICH RESULT IN ROD MOTION, AND EXCLUDE PLANNED TESTS OR SCRAMS AS PART OF PLANNED SHUTDOWN i IN ACCORDANCE WITH A PLANT PROCEDURE. THERE ARE 111 REACTORS HOLDING AN i OPERATING LICENSE. -
- 2. PERSONELL RELATED PROBLEMS INCLUDE HUMAN ERROR, PROCEDURAL DEFICIENCIES, i AND MANUAL STEAM GENERATOR LEVEL CONTROL PROBLEMS. !
- 3. COMPLICATIONS: RECOVFRY COMPLICATED BY EQUIPMENT FAILURES OR PERSONNEL i ERRORS UNRELATED TO CAUSE OF SCRAM.
~
- 4. "OTHER" INCLUDES AUTOMATIC SCRAMS ATTRIBUTED TO ENVIRONMENTAL CAUSES I (LIGHTNING), SYSTEM DESIGN, OR UNKNOWN CAUSE. !
4 OEAB SCRAM DATA '
l Manual and Automatic Scrams for 1987 ------------------ 435 ,
Manual and Automatic Scrams for 1988 ------------------ 291 l Manual and Automatic Scrans for 1989 ------------------ 252 Manual and Automatic Scrats for 1990 ------------------ 226 ,
Manual and Automatic Scrams for 1991 ------------------ 206 Manual and Automatic Scrams for 1992 ------------------ 212 ,
Manual and Automatic Scrams for 1993 --(YTD 08/01/93)-- 111 !
F i
w d
a j
i 4
1
. - .
