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Category:MONTHLY OPERATING ANALYSIS REPORT
MONTHYEARML20217D6851999-09-30030 September 1999 Monthly Operating Repts for Sept 1999 for North Anna Power Station,Units 1 & 2.With ML20216E5011999-08-31031 August 1999 Monthly Operating Repts for Aug 1999 for Naps,Units 1 & 2. with ML20210S1411999-07-31031 July 1999 Monthly Operating Repts for July 1999 for North Anna Power Station.With ML20209E5641999-06-30030 June 1999 Monthly Operating Repts for June 1999 for North Anna Power Stations,Units 1 & 2.With ML20195G1901999-05-31031 May 1999 Monthly Operating Rept for May 1999 for NAPS Units 1 & 2. with ML20206Q6671999-04-30030 April 1999 Monthly Operating Repts for Apr 1999 for North Anna Power Station,Units 1 & 2.With ML20205K3041999-03-31031 March 1999 Monthly Operating Repts for Mar 1999 for North Anna Power Station,Units 1 & 2.With ML20207K5921999-02-28028 February 1999 Monthly Operating Repts for Feb 1999 for North Anna Power Station,Units 1 & 2.With ML20199C8781998-12-31031 December 1998 Monthly Operating Repts for Dec 1998 for North Anna Power Station,Units 1 & 2.With ML20197G8551998-11-30030 November 1998 Monthly Operating Repts for Nov 1998 for North Anna Power Station,Units 1 & 2.With ML20195D0571998-10-31031 October 1998 Monthly Operating Repts for Oct 1998 for North Anna Power Station,Units 1 & 2.With ML20154H4001998-09-30030 September 1998 Monthly Operating Repts for Sept 1998 for North Anna Power Station,Units 1 & 2.With ML20151W4711998-08-31031 August 1998 Monthly Operating Repts for Aug 1998 for North Anna Power Station Units 1 & 2.With ML20237A4341998-07-31031 July 1998 Monthly Operating Repts for July 1998 for North Anna Power Station,Units 1 & 2 ML20236M3381998-06-30030 June 1998 Monthly Operating Repts for June 1998 for North Anna Power Station,Units 1 & 2 ML20248M1011998-05-31031 May 1998 Monthly Operating Repts for May 1998 for North Anna Power Station,Units 1 & 2 ML20247F4441998-04-30030 April 1998 Monthly Operating Repts for Apr 1998 for North Anna Power Station,Units 1 & 2 ML20216B1891998-03-31031 March 1998 Monthly Operating Repts for Mar 1998 for North Anna Power Station,Units 1 & 2 ML20216E2561998-02-28028 February 1998 Monthly Operating Repts for Feb 1998 for North Anna Power Station,Units 1 & 2 ML20202D5811998-01-31031 January 1998 Monthly Operating Repts for Jan 1998 for North Anna Power Station,Units 1 & 2 ML20198P1351997-12-31031 December 1997 Monthly Operating Repts for Dec 1997 for North Anna Power Station,Units 1 & 2 ML20203F3531997-11-30030 November 1997 Monthly Operating Repts for Nov 1997 for North Anna Power Station,Units 1 & 2 ML20199C6871997-10-31031 October 1997 Monthly Operating Repts for Oct 1997 for North Anna Power Station,Units 1 & 2 ML20217H9201997-09-30030 September 1997 Monthly Operating Repts for Sept 1997 for North Anna Power Station,Units 1 & 2 ML20216H9141997-08-31031 August 1997 Monthly Operating Repts for Aug 1997 for North Anna Power Station,Units 1 & 2 ML20210K5501997-07-31031 July 1997 Monthly Operating Repts for Jul 1997 for North Anna Power Station,Units 1 & 2 ML20210K5581997-06-30030 June 1997 Revised Monthly Operating Rept for June 1997 for North Anna Power Station,Units 1,correcting Error Found on Shutdowns & Power Reductions Summary ML20140E5371997-05-31031 May 1997 Monthly Operating Repts for May 1997 for North Anna Power Station Units 1 & 2 ML20148B3771997-04-30030 April 1997 Monthly Operating Repts for Apr 1997 for North Anna Power Station Units 1 & 2 ML20141E2681997-04-30030 April 1997 Monthly Operating Repts for Apr 1997 for North Anna Power Station Units 1 & 2 ML20140D7551997-03-31031 March 1997 Monthly Operating Repts for North Anna Power Station,Units 1 & 2 ML20135F3111997-02-28028 February 1997 Monthly Operating Repts for Feb 1997 for North Anna Power Station,Units 1 & 2 ML20134H2961997-01-31031 January 1997 Monthly Operating Repts for Jan 1997 for North Anna Power Station Units 1 & 2 ML20133G5291996-12-31031 December 1996 Monthly Operating Repts for Dec 1996 for North Anna Power Station Units 1 & 2 ML20135E4961996-11-30030 November 1996 Monthly Operating Repts for Nov 1996 for North Anna Power Station Units 1 & 2 ML20134K5811996-10-31031 October 1996 Monthly Operating Repts for Oct 1996 for North Anna Power Station Unit 1 & 2 ML20128N1301996-09-30030 September 1996 Monthly Operating Repts for Sept 1996 for North Anna Power Station Unit 1 & 2 ML20117M0781996-08-31031 August 1996 Monthly Operating Repts for Aug 1996 for North Anna Power Station Units 1 & 2 ML20116J6431996-07-31031 July 1996 Monthly Operating Repts for Jul 1996 for North Anna Power Station Units 1 & 2 ML20115G2341996-06-30030 June 1996 Monthly Operating Repts for June 1996 for North Anna Power Station Units 1 & 2 ML20117M1811996-05-31031 May 1996 Monthly Operating Rept for May 1996 for North Anna 1 ML20117E7501996-04-30030 April 1996 Monthly Operating Rept for Apr 1996 for North Anna Power Station Units 1 & 2 ML20107C2951996-03-31031 March 1996 Monthly Operating Repts for Mar 1996 for North Anna Power Station Units 1 & 2 ML20106H0631996-02-29029 February 1996 Monthly Operating Repts for Feb 1996 for NAPS ML20097D5661996-01-31031 January 1996 Monthly Operating Repts for Jan 1996 for North Anna Power Station Units 1 & 2 ML20096C3041995-12-31031 December 1995 Monthly Operating Repts for Dec 1995 for North Anna Power Station,Units 1 & 2 ML20095D8611995-11-30030 November 1995 Monthly Operating Repts for Nov 1995 for North Anna Power Station ML20094H3601995-10-31031 October 1995 Monthly Operating Repts for Oct 1995 for North Anna Power Station ML20093D8781995-09-30030 September 1995 Monthly Operating Repts for Sept 1995 for North Anna Power Station Units 1 & 2 ML20092F5571995-08-31031 August 1995 Monthly Operating Repts for Aug 1995 for North Anna Power Station 1999-09-30
[Table view] Category:TEXT-SAFETY REPORT
MONTHYEARML20217N9281999-10-20020 October 1999 Special Rept:On 991003,PZR PORV Actuation Mitigated RCS low- Temp Overpressure Transient.Caused by a RCP Facilitating Sweeping of Entrained Air Out of RCS Loops.Operating Procedure 2-OP-5.1 Will Be Revised ML20217H3631999-10-14014 October 1999 Rev 0 to COLR for North Anna 2 Cycle 14 Pattern Su ML18152A2811999-10-12012 October 1999 Technical Basis for Elimination of Nozzle Inner Radius Insps (for Nozzles Other than Reactor Vessel),Technical Basis for ASME Section XI Code Case N-619. ML20212J9251999-10-0101 October 1999 Safety Evaluation Accepting Licensee Relief Request IWE-3 for Second 10-year ISI for Plant ML20217D6851999-09-30030 September 1999 Monthly Operating Repts for Sept 1999 for North Anna Power Station,Units 1 & 2.With ML20211N2611999-09-0808 September 1999 Safety Evaluation Concluding That Proposed Irradiation of Fuel Rods Beyond Current Lead Rod Burnup Limit & Clarification of Terminology with Respect to Reconstituted Fuel Assemblies Acceptable ML20211J2561999-08-31031 August 1999 Safety Evaluation Accepting Elimination of Augmented ISI Program for Pressurizer Spray Lines at North Anna Unit 2 ML20216E5011999-08-31031 August 1999 Monthly Operating Repts for Aug 1999 for Naps,Units 1 & 2. with ML20211J2421999-08-31031 August 1999 Safety Evaluation Supporting Removal of Augmented Insp Program on RCS Bypass Lines from Licensing Basis of North Anna,Units 1 & 2 ML20210T0791999-08-13013 August 1999 Safety Evaluation Concluding That Revised Withdrawal Schedules for North Anna Units 1 & 2 Satisfy Requirements of App H to 10CFR50 & Therefore Acceptable ML20210S1411999-07-31031 July 1999 Monthly Operating Repts for July 1999 for North Anna Power Station.With ML20210Q9931999-07-31031 July 1999 Rev 1 to COLR for North Anna Power Station,Unit 2 Cycle 13 Pattern Ud ML20209E5641999-06-30030 June 1999 Monthly Operating Repts for June 1999 for North Anna Power Stations,Units 1 & 2.With ML20195G1901999-05-31031 May 1999 Monthly Operating Rept for May 1999 for NAPS Units 1 & 2. with ML20206L4831999-05-10010 May 1999 SER Accepting Request to Delay Submitting Plant,Unit 1 Class 1 Piping ISI Program for Third Insp Interval Until 010430, to Permit Development of Risk Informed ISI Program for Class 1 Piping ML20206Q6671999-04-30030 April 1999 Monthly Operating Repts for Apr 1999 for North Anna Power Station,Units 1 & 2.With ML20205S0391999-04-21021 April 1999 SER Accepting Request for Relief IWE5,per 10CFR50.55a(a)(3) & Proposed Alternatives for IWE2,IWE4,IWE6 & IWL2 Authorized Per 10CFR50.55a(a)(3)(ii) ML20205K3041999-03-31031 March 1999 Monthly Operating Repts for Mar 1999 for North Anna Power Station,Units 1 & 2.With ML20207K5921999-02-28028 February 1999 Monthly Operating Repts for Feb 1999 for North Anna Power Station,Units 1 & 2.With ML20207E1731999-02-18018 February 1999 Informs Commission of Status of Preparations of IAEA Osart Mission to North Anna Nuclear Power Plant Early Next Year ML20205A0241998-12-31031 December 1998 Summary of Facility Changes,Tests & Experiments,Including Summary of SEs Implemented at Plant During 1998,per 10CFR50.59(b)(2).With ML20199C8781998-12-31031 December 1998 Monthly Operating Repts for Dec 1998 for North Anna Power Station,Units 1 & 2.With ML20198H9541998-12-0303 December 1998 Safety Evaluation Authorizing Proposed Alternative for Remainder of Second 10-yr Insp Interval for Plant ML20198J5561998-12-0303 December 1998 ISI Summary Rept for North Anna Power Station,Unit 1 1998 Refueling Outage Owner Rept for Inservice Insps ML20197G8551998-11-30030 November 1998 Monthly Operating Repts for Nov 1998 for North Anna Power Station,Units 1 & 2.With ML20196G1381998-11-0303 November 1998 Safety Evaluation Authorizing Rev to Relief Request NDE-32 for Remainder of Second 10-yr Insp Interval for Each Unit ML20195D0571998-10-31031 October 1998 Monthly Operating Repts for Oct 1998 for North Anna Power Station,Units 1 & 2.With ML20154L0691998-10-14014 October 1998 COLR for North Anna Power Station Unit 1 Cycle 14 Pattern Xy ML20155J6911998-10-0909 October 1998 Staff Response to Tasking Memorandum & Stakeholder Concerns ML20154H4001998-09-30030 September 1998 Monthly Operating Repts for Sept 1998 for North Anna Power Station,Units 1 & 2.With ML20151X8011998-09-10010 September 1998 Special Rept:On 980622,groundwater Level at Piezometer P-22 Was Again Noted to Be Above Max Water Level by 0.71 Feet. Increased Frequency of Piezometer Monitoring & Installed Addl Piezometers at Toe of Slope Along Southwest Section ML20151W4711998-08-31031 August 1998 Monthly Operating Repts for Aug 1998 for North Anna Power Station Units 1 & 2.With ML20237A4341998-07-31031 July 1998 Monthly Operating Repts for July 1998 for North Anna Power Station,Units 1 & 2 ML20236V1251998-07-14014 July 1998 ISI Summary Rept for Naps,Unit 2,1998 Refueling Outage Owners Rept of Isis ML20236K5531998-07-0707 July 1998 SER Accepting Request for Change in ISI Commitment on Protection Against Pipe Breaks Outside Containment ML20236M3381998-06-30030 June 1998 Monthly Operating Repts for June 1998 for North Anna Power Station,Units 1 & 2 ML20248M1011998-05-31031 May 1998 Monthly Operating Repts for May 1998 for North Anna Power Station,Units 1 & 2 ML20248C8831998-05-29029 May 1998 SER Accepting Alternatives Proposed by Licensee for Use of Code Case N-535,pursuant to 10CFRa(a)(3)(i) in ASME Section XI Inservice Insp Program ML20247K9281998-05-15015 May 1998 Special Rept:On 980428,letdown PCV Exhibited Slow Response When C RCP Was Started.Cause to Be Determined.Review of Operating Procedure Will Be Performed to Determine If Enhancements Are Necessary ML20216A8971998-05-0606 May 1998 Rev 0 to Cycle 13 Pattern Ud COLR for North Anna Unit 2 ML20247F4441998-04-30030 April 1998 Monthly Operating Repts for Apr 1998 for North Anna Power Station,Units 1 & 2 ML20217B5321998-04-20020 April 1998 Safety Evaluation Supporting Proposed Alternative to ASME Code for Surface Exam of Seal Welds on Threaded Caps for Plant Reactor Vessel Head Penetrations for part-length CRDMs ML20217H9611998-04-0707 April 1998 Special Rept:On 980216,groundwater Level at Piezometer P-22, Again Noted to Be Above Max Water Level by 0.41 Feet.Design Package for Installation of Addl Standpipe Piezometers at Toe of Slope Southeast Section,Developed ML20216B1891998-03-31031 March 1998 Monthly Operating Repts for Mar 1998 for North Anna Power Station,Units 1 & 2 ML20216E8801998-03-0606 March 1998 Safety Evaluation Authorizing Licensee Request for Relief from ASME Code Requirements,Paragraph IWA-2400(c) (Summer Edition W/Summer 1983 Addenda),For Upcoming Naps,Unit 1 Outage,Per 10CFR50.55a(a)(3)(ii) ML20216E2561998-02-28028 February 1998 Monthly Operating Repts for Feb 1998 for North Anna Power Station,Units 1 & 2 ML20199J6431998-02-0202 February 1998 Safety Evaluation Approving Request for Approval to Repair Flaws in Accordance W/Gl 90-05 for ASME Code Class 3 SW Piping for North Anna,Unit 1,as Submitted in ISI Relief Request NDE-46 on 971218 ML20202D5811998-01-31031 January 1998 Monthly Operating Repts for Jan 1998 for North Anna Power Station,Units 1 & 2 ML20198S7571998-01-15015 January 1998 Safety Evaluation Accepting Licensee Request for Approval to Repair Flaws IAW GL-90-05 for ASME Code Class 3 Svc Water Piping ML20198P1351997-12-31031 December 1997 Monthly Operating Repts for Dec 1997 for North Anna Power Station,Units 1 & 2 1999-09-08
[Table view] |
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VIHOINIA }$M:CTHIC AND POWEH COW'ANY Hiruwown,Vinuix A unuel November 15,1990 U. S. Nuclear Regulatory Commission Serial No. 90 720 Attention: Document Control Desk NL&P/JMJ:Jmj Washington, D.C. 20555 Docket Nos. 50 338 50 339 License Nos. NPF 4 NPF 7 Gentlemen:
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS 1 AND 2 MONTHLY OPERATING REPORT Encloced is the Monthly Operating Report for North Anna Power Station Units 1 and 2 for the month of October 1990.
Very truly rs,
)
' (
di W. . tW rt Senior Vice President Nuclear Enclosures cc: U.S. Nuclear Regulatory Commission 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Mr. M. S. Lesser NRC Senior Resident inspector North Anna Power Station 90112e.visiSoto31 ron R nooce osooo33e pdc
l t I-VIRGINIA POWER COMPANY NORTH ANNA POWER STATION NONTHLY OPERRTING REPORT NONTH: October YEARt 1990 Approved:
s
's@ tier. ::m6dger d
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"* . e i! ,
f ,
OPERATING DATA REPORT l
DOCKET No.: 50 338
[ DATE: Novenber 4, 90 COMPLETED BY: T. Phlttips PMONE: (703) 894 2537 OPERATING STATUS
- 1. Uni t N ame s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N or t h Anna 1
- 2. R epor t i ng Pe r i od s . . . . . . . . . . . . . . . . . . . . . . . . 0c t obe r 1990
- 3. Licensed Thermal Power (MWt)t............. 2,893
- 4. Nameplate Rating (Gross MWe):............. 947
- 5. Design Electrical Rating (Net MWe) ....... 907
- 6. Maxinun Dependable Capacity (Gross MWe) .. 959
- 7. Maxinue Dependable Capacity (Net MWe) .... 911
- 8. If changes occur in capacity Ratings (Items No. 3 thru 7) since last report, give reasons:
N/A
- 9. Power level to which restricted, if any (Net MWe): ,,_N / A
- 10. Reasons for restrictions, if any: N/A This Month Yat D Canulative
- 11. Hour s i n R epor t i ng P er i od. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745.0 7,296.0 108,348.0
- 12. Nwber of Hours R eac t or was Cr i t i c a t . . . . . . . . . . . . . . . . . . . . . 745.0 7,284.4 78,526.9
- 13. React or R eserve Shutdown Hours. . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0 0.0 6,603.6
- 14. Hours Generator 0n Line.................................. 745.0 7,262.0 75,756.0
- 15. Uni t R eserve Shut down Hours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0 0.0 0.0
- 16. Gross Thermal Energy Generat ed (MWH) . . . . . . . . . . . . . . . . . . . . . 1,809,641.9 20,580,103.6 202,470,881.6 17.' Gross E lec t ri cal E ner0y Generat ed (MWH). . . . . . . . . . . . . . . . . . 601,479.0 6,825,580.0 66,532,402.0
- 18. Net E t tetrical Energy Generated (MWH) . . .. . . . . . . . . . . . . . . . . 566,707.0 6,484,539.0 62,979,752.0
- 19. Unit Service Factor...................................... 100.0% 99.5% 69.9%
- 20. Unit Availability Factor................................. 100.0%' 99.5% 69.f t
- 21. Uni t capac i ty F ac t or (us i ng MDC Net ) . . . . . . . . . . . . . . . . . . . . . 83.5% 97.4% 65.J%
- 22. Uni t capac i t y f ac t or (using DE R Net ) . . . . . . . . . . . . . . . . . . . . . 83.9% 98.0% v .1%
- 23. Forced Outage Rate....................................... 0.0 0.5% 12.7%
- 24. Shutdowns Scheduled Over Next 6 Months (type, Date, and Duration of Each):
_60*
day Refueling Outage scheduled 1/4/91
- 25. If Shutdown at end of Report Period, estimated time of Startups _N/A
- 26. Units in Test Status (Prior to Commercist Operation):
Forecast Achieved IN111AL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERAll0N
m
+
AVERAGE DAILY UNIT POWER LEVEL Docket No.: __ 50-338 Unitt NA-1 ,
Date November 4. '90 completed by: T. PhilligA_
Phonet (703) 894-2537.
MONTH: October 1990 -
DAY AVERAGE DAILY POWER DAY AVEIAGE DAILY LEVEL LEVEL (NWa-Net) IEVEL (NWe" Net) 1 _
842 16 .
753 2 837 17 752 3 834 18 751 4 ,
828 19 749 5 810 20 746 6 794 21 726 7 807 22 726 8 820 23 724 ;_
9 793 24 721 10- 789 25 718 11 785 26 716 12 782 27 ,__
701 13 779 28 __ 693 14 777 29 690
-15 771 30 687 31 685 Instructions:
On this format, list the average daily unit power level in MWe-Net. for each day in the reporting 'aonth. Compute to the nearest whole megawatt.
l .
NOF.TM ANNA POWER STATION UNIT NO.I 1 NONTH: October.
3UMMARY OF OPERAT1.NG EXP.ERLEECE Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
DAIR 115.1 DA.td October 01, 1990 0000 Bogan month with Unit at 95%, 912MW, in coastdown for refueling outage.
October 31, 1990 2400 Ended month with unit at 76%, 733MW.
UNIT SHUTDOWNS AND POWER REDUCTIONS' ,
DOCKET NO.: 50-338 UNIT NAME: NA-1 DATE: November 4, 1990 REPORT MONTH: October 1990 COMPLETED BY: T. Phillips PHONE: (703) 894-2537 2 3 4 5 1 .
Licensee System Comnonent Cause & Corrective
~No. Date Type Duration Reason Method of Shutting Event Code code Action to (hrs) Down Reactor Report # Prev nt Recurrence
3: Method 4:
1: Type 2: Reason A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions F= Forced 2= Manual Scram for preparation of Data S= Scheduled B= Maintenance or Test 3= Automatic Scram Entry Sheets for Licensee C= Refueling 4= Continuations Event Report (LER) File D= Regulatory Restriction 5= Load Reduction (NUREG-0161)
E= Operator Training & License Examination 9=Other F= Administrative 5:
G= Operational Error H=Other-(explain)
Exhibit H - Same Source
=
t Page 1 of __1 UNIT 8HUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.: 50-338 Report Nonth Octobgr Unit Name NA-1 Year: ,1990 Dates November 4. '90 completed by: __Todd Phillies
. OPERAflNG DATA REPORT l DOCKET No.: 50 339 i
Daft Noventer 4, 90 COMPLitt0 Bf 1. Phillips PHONE: (703) 894 2774 OrtRA11NG STATUS
- 1. Unit Names................................ North Anna 2
- 2. Deporting Periods........................ 0ctober 1990 3, t iconsed t hermal Power (MWt ) . . . . . . . . . . . . . 2893
- 4. Nameplete Rating (Cross MWe) ............. 947
- 5. Design Electrical Rating (het Mie):....... 907
- 6. Maalpun Dependable Capacity (Cross MWe):.. 957
- 7. Maximun Dependable capacity (Wet MWe) .... 909
- 8. If changes occur in Capacity Ratings (Items No. 3 +hru 7) since last report, give reasons
_ N/A t
- 9. Power levet to which restricted, if any (Net MWe): _ W/A
- 10. Reasons for restrictions, If any: N/A 4
This Month V t.D Cmulative
- 11. Hours in Reporting Period................................ 745.0 7,296.0 86,616.0
- 12. Nm ber of Hours Reactor was Critical..................... 0.0 5,570.3 69,692.4
- 13. Reac t or R eserve shut down Hour s. . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0 36.9 5,891.8
- 14. H our s Gene r a t or 0n L i ne . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0 5,570.2 68,822.1
- 15. Uni t R eserve Shut down Hours. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0 0.0 0.0
- 16. Cross thermal Energy Genera t ed (MWH ) . . . . . . . . . . . . . . . . . . . . . 0.0 15,267,117.4 183,413,464.4
- 17. Cross E lec t r ical Energy Generat ed (MWH ). . . . . . . . . . . . . . . . . . 0.0 5,027,524.0 60,033,041.0
- 18. Nat E lec t rical Energy Generat ed (MWH) . . . . . . . . . . . . . . . . . . . . 0.0 4,769,708.0 57,608,540.0
- 19. Unit Service factor...................................... 0.0% 76.3% 79.5%
- 20. Unit Availability factor................................. 0.0% 76.3% 79.5%
- 21. Unit Capacity Factor (using MDC Net)..................... 0.0% 71.8% 74.0%
- 22. Uni t Capac i ty F ac t or (us i ng DE R We t ) . . . . . . . . . . . . . . . . . . . . . 0.0% 72.1% 73.3%
- 23. Forced Outage Rate....................................... 0.0% 0.4% 6.5%
- 24. thutdowns scheduled Over Next 6 Months (Type, Date, and Duration of tach):
,,f75 day Refueling /10 year 151 Outage started 8/22/90
- 25. If shutdown at end of Report Period, estimated time of startup: 11/5/90
- 26. Units in Test Status (Prior to Consnercial Operation):
Forecast Achieved INITIAL CRiflCALITY IWlilAL tttCTRICITY COMMERCIAL OPfRATION
1
! AVERAGE DAILY UNIT POWER LEVEL Docket No.t 50-339 Unitt NA-2 Dates November 4. '90 completed by: T. Phillins Phonet (703) 894-2537 NONTH: October 1990 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY LEVEL LEVEL (MWe-Net) LEVEL (NWa-Net) 1 0 16 0 2 0 17 0 3 0 18 0 4 0 19 0 5 0 20 0 6 0 21 0 7 0 22 0 8 0 23 0 9 0 __ 24 0 10 0 25 0 11 __
0 26 0 12 0 27 0 13 0 28 0 14 0 29 0 15 0 30 0 31 0 Instructions:
On this format, list the average daily unit power level in MWe-Net'for each day in-the reporting month, compute to the nearest whole megawatt.
1
NORTH ANNA POWER STATION UNIT NO.I 2 MONTH: October SUMMMY OF OPERATING EXPERIENCE Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
Dain Time DAin October 01, 1990 0000 Bogan month with Unit in mode 6, 0%.
October 08, 1990 2100 Entered mode 5.
October 22, 1990 0945 Received RCS Overpressure annunciator twice at 335 psig, 2-RC-PCV-24 55C cycled each tin' .
Problem determined to be trans-mitter reading 35 psig high.
0946 Depressurized RCS to 300 psig.
1047 Placed keyswitches for 2-RC-PCV-2455C to "of f" for transmitter calibration.
l'.45 Transmitter successfully calibrated.
1252 Returned 2-RC-PCV-24550 keyswitches to " auto".
October 30, 1990 0503- Entored mode 4.
October 31, 1990 1623 Entered mode 3.
October 31, 1990 2400 Ended month with Unit in mode 3, 0%.
4
T UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-339 UNIT NAME: NA-2 DATE: November 4, 1990 REPORT MONTH: October 1990 COMPLETED BY: T. Phillips PHONE: (703) F94-2537 3 4 5 1 2 Component Cause & Corrective Duration Reason Method of Licensee System No. Date Type Event Code Code Action to (hrs) Shutting Prevent Recurrence Down Reactor Report #
4 N/A MS RM S/G Maintenance planned 90-2 900821 S 745.0 C RC PCV Transmitter card repaired 901022 N/A 3: Method 4:
1: Type 2: Reason A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions F= Forced 2= Manual Scram for preparation of Data S= Scheduled B= Maintenance or Test Entry Sheets for Licensee 3= Automatic Scram Event C= Refueling 4= Continuations Report (LER) File D= Regulatory Restriction 5= Load Reduction (NUREG-0161)
E= Operator Training & License Examination 9=Other F= Administrative 5:
G= Operational Error H=Other (explain)
Exhibit H - Same Source
Page 1 of __1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.: 50-339 Report Month October Unit Name NA-2 Years 1990 Dates November 4, 90 Completed by: Todd Phillins ,
- 90-2 August 21, 1990 Main Generator taken off-line at 0310 hours0.00359 days <br />0.0861 hours <br />5.125661e-4 weeks <br />1.17955e-4 months <br />. Unit entered mode 3 at 0323 hours0.00374 days <br />0.0897 hours <br />5.340608e-4 weeks <br />1.229015e-4 months <br />. Unit entered mode 4 ;
at 1933 hours0.0224 days <br />0.537 hours <br />0.0032 weeks <br />7.355065e-4 months <br />.
August 22, 1990 Unit entered mode 5 at 1612 hours0.0187 days <br />0.448 hours <br />0.00267 weeks <br />6.13366e-4 months <br /> for 10 year ISI/
Refueling outage.
September 04, 1990 Unit entered mode 6 at 0801 hours0.00927 days <br />0.223 hours <br />0.00132 weeks <br />3.047805e-4 months <br />.
October 08, 1990 :
Unit entered mode 5 at 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br />.
October 22, 1990 Received RCS Overpressure annunciator twice at 335psig, 2-RC-PCV-2455C cycled each time. Problem determined to be transmitter reading 35 psig high. Transmitter-re-calibrated.
! October 30, 1990 ,
Unit entered mode 4 at 0503 hours0.00582 days <br />0.14 hours <br />8.316799e-4 weeks <br />1.913915e-4 months <br />.
October 31, 1990
[ Unit entered mode 3 at 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br />.
l' tw --a $