ML20129G807
| ML20129G807 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 04/30/1985 |
| From: | Garner B, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | Beebe M NRC OFFICE OF RESOURCE MANAGEMENT (ORM) |
| References | |
| 85-341, NUDOCS 8507180279 | |
| Download: ML20129G807 (16) | |
Text
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4 VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH April YEAR 1985 APPROVED:
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STATION MANAGER
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e507180279 e50430 PDR ADOCK 05000338 R
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l OPERATING DATA REPORT DOCKET NO. 50-338 DATE 05-03-85 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS 1.
Unit Name:
North Anna 1 2.
Reporting Period:
April, 1985 3.
Licensed Thermal Power (MWt):
2775 4.
Nameplate Rating (Gross MWe):
947 5.
Design Electrical Rating (Net MWe):
907 6.
Maximum Dependable Capacity (Gross MWe):
941 7.
Maximum Dependable Capacity (Net MWe):
893 8.
If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons Changes due to adjustment of Aux. Loads and MSR Modifications 9.
Power Level To Which Restricted, If Any (Net'MWe):
N/A
- 10. Reasons For Restrictions, If Any:
N/A This Month Yr.-to-Date Cumulative
- 11. Hours In Reporting Period 719 2879 60,107 12.
Number of Hours Reactor W'as Critical 719 2879 41,250.7 13.
Reactor Reserve Shutdown Hours 0
0 3,084.2
- 14. Hours Generator On-Line 719 2851.8 39,964
- 15. Unit Reserve Shutdown Hours 0
0 0
16.
Gross Thermal Energy Generated (MWH) 1,991,429 7,619,714 104,479,376 17.
Gross Electrical Energy Generated (MWH) 672,807 2,574,313 33,946,498 18.
Net Electrical Energy Generated (MWH) 640,294 2,445,997 32.061._975 19.
Unit Service Factor 100.0 99.0 66.5 20.
Unit Availability Factor 100.0 99.0 66.5 21.
Unit Capacity Factor (Using MDC Net) 99.7 95.1 59.7 22.
Unit Capacity Factor (Using DER Net) 98.2 93.7 58.8
- 23. Unit Forced Outage Rate 0
0.9 11.2 24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
25.
If Shut Down At End Of Report Period, Estimated Date of Startup:
- 26. Units In Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION t.
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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-338 UNIT NA-1 DATE 05-03-85 COMPLETED BY Brenda Garner TELEPHONE 703-894-5151X252' NONTH April, 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (NWe-Net)
(NWe-Net) 1 894 17 893 2
894 18 893 3
894 19 893 4
895 20 892 5
895 21 852 6
891 22 892 7
878 23 891 8
891 24 890 l
9 891 25 892 10 891 26 886 11 895 27 890 l
12 894 28 892 13 894 29 892 14 894 30 891 15 894 31 16 893 INSTRUCTIONS On this format, list the average daily unit power level in NWe-Net for each day in the reporting. month.. Compute to the nearest whole megawatt.
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UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.
50-338 REPORT MONTH April UNIT NAME NA-1 YEAR 1985 DATE 05-03-85 COMPLETED BY Brenda Garner No entries this month.
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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-338 UNIT NAME North Anna 1 DATE 05-03-85 REPORT MONTH April, 1985 COMPLETED BY Brenda Garner TELEPHONE-(703) 894-5151 X2527 l
Ns.
Date Type Duration Reason Method of Licensee System Component cause & Corrective (Hours)
Shutting 3
d' 4 Code Action to 5
Down Reactor Report #
Prevent Recurrence 85-11 850421 S NA H
5 NA NA NA Ramped Unit 1 Down for Load Following Unit returned to 100% power.
I 2
3 4
F: Forced Reason:
Method:
Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram.
Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuations (NUREG-0161)
E-Operator Training & License Examination 5-Load Reduction F-Administrative 9-Other G-Operational Error (Explain) 5 H-Other (Explain)
Exhibit H - Same Source
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VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO.
1 MONTH April
SUMMARY
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.
DATE TIME DATA April 1, 1985 0000 Began this month with Unit at 100% power -
940 MW.
April 21, 1985 0243 Commenced load reduction on Unit to 850MW 90% power for load follow.
0320 Commenced load reduction to 800 MW - 85%
power for load follow.
0348 Commenced load reduction to 750 MW - 78%
power for load follow.
0420 Unit stabilized at 750 MW - 78% power 0530 Commenced load reduction of 50 MW for load 0
follow.
0549 Unit stabilized at 705 MW - 70% power.
0715 Commenced power increase to 100% power.
l 0810 Stabilized reactor power at 900 MW -
l 90% for calorimetric.
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0840 Calorimetric complete - Commenced to ramp up l
925 MW - 100% power l
0921 Unit at 100% power - 940 MW l
April 30, 1985 2400 Ended this month with Unit at 100% power.
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OPERATING DATA REPORT DOCKET NO.
50-339 DATE 05-03-85 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS Notes:
1.
Unit Name:
North Anna 2 2.
Reporting Period:
April, 1985 3.
Licensed Thermal Power (MWt):
2775 4.
Nameplate Rating (Gross MWe):
947 5.
Design Electrical Rating (Net NWe):
907 6.
Maximum Dependable Capacity (Gross MWe):
941 7.
Maximum Dependable Capacity (Net MWe):
893 8.
If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons-Channes due to adjustment of Aux. Loads 9.
Power Level To Which Restricted, If Any (Net'MWe):
N/A
- 10. Reasons For Restrictions, If Any:
N/A This Month Yr.-to-Date Cumulative
- 11. Hours In Reporting Period 719 2,879 38,375 12.
Number of Hours Reactor Was Critical 699.7 2,820.2 28,610.6 13.
Reactor Reserve Shutdown Hours 19.3 28.5 4,014.3
- 14. Hours Generator On-Line 623.8 2,614.7 28,019.8
- 15. Unit Reserve Shutdown Hours 0
0 0
- 16. Gross Thermal Energy Generated (MWH) 1,551,537 6,389,794 71,890,035 17.
Gross Electrical Energy Generated (MWH) 516,263 2,123,735 23,821,000
- 18. Net Electrical Energy Generated (MWH) 489,020 2,009,790 22,579,052 19.
Unit Service Factor 86.7 90.8 73.0 20.
Unit Availability Factor 86.7 90.8 73.0 21.
Unit Capacity Factor (Using MDC Net) 76.1 78.1 65.9 22.
Unit Capacity Factor (Using DER Net) 75 77 64.9 23.
Unit Forced Outage Rate 6.6 9.9 6.8 24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
25.
If Shut Down At End Of Report Period, Estimated Date of Startup:
- 26. Units In Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION L
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.o AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-339 UNIT NA-2 DATE 05-03-85 COMPLETED BY Brenda Garner TELEPHONE 703-894-5151X2527 MONTH April DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1 881 17 884 2
878 18 125 3
878 19 6
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4 883 20 186 5
883 21 374 6
868 22 812 7
883 23 882 8
882 24 884 9
885 25 881 10 887 26 317 11 888 27 0
12 887 28 72 13 886 29 246 14 842 30 667 15 885 31 16 885 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.
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of 1
UNIT SFUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.
50-339 REPORT MONTH April UNIT NAME NA-2 YEAR 1985 DATE 05-03-85 COMPLETED BY
.Brenda Garner 85-15 (1)
On April 18, 1985 at 0608 Unit 2 taken off line due to high unidentified RCS leakage.
Unit 2 returned to 100%
power on April 21, 1985 at 1952.
85-18 (2)
On April 26,1985 at 0915 Unit 2 Automatic Reactor Trip.
Loss of 2-I Vital Bus due to 125 volt D.C. bus supply Breaker to inverter was opened inadvertently.
Unit 2 returned to 100% power on April 30,,1985 at 1130.
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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-339 UNIT NAME North Anna 2 DATE 05-03-85 REPORT MONTH April COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)
Shutting Event Code Code AC I" 3
4 5
Down Reactor Report #
Prevent Recurrence 85-13 850406 S
NA H
5 NA NA NA Ramped Unit 2 down for load following. Unit returned to i
100% power.
85-14 850414 S
NA H
5 NA NA NA Ramped Unit 2 down for load following. Unit returned to 100% power.
4 85-15 850418 F
40.7 A
1 NA NA NA Ramped down Unit 2 off line for high unidentified RCS leakage.
i Unit returned to 100% power on April 21, 1985 at 1952.
85-16 850422 S
NA H
5 NA NA NA Ramped Unit 2 down for load following. Unit returned to 100% power.
85-17 850426 S
NA H
5 NA NA NA Ramped Unit 2 down for load following.
f 1
2 3
4 F: Forced Reason:
Method:
Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram.
Entry Sheets for Licensee' C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuations (NUREG-0161)
E-Operator Training & License Examination 5-Load Reduction F-Administrative 9-Other G-Operational Error (Explain) 5 H-Other (Explain)
Exhibit H - Same Source
}*.
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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-339 UNIT NAME North Anna 2 DATE 05-03-85 REPORT MONTH April COMPLETED BY Brenda Garner TELEPHONE' (703) 894-5151 X2527 No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)
Shutting 3
- 4
- 5 Action to Down Reactor Report #
Prevent Recurrence 85-18 850426 F
54.5 H
3 NA NA NA Reactor trip due to loss of 2-I Vital Bus.
Returned to 100% power on April 30, 1985 at 1130.
1 2
3 4
F: Forced Reason:
Method:
Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or-Test 2-Manual Scram.
Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report _(IIR) File D-Regulatory Restriction 4-Continuations (NUREG-0161)
E-Operator Training & License Examination 5-Load Reduction F-Administrative 9-Other G-Operational Error (Explain) 5 H-Other (Explain)
Exhibit H - Same Source
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e VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO.
2 MONTH April
SUMMARY
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.
DATE TIME DATA April 1, 1985 0000 Began this month with Unit 2 at 100% power.
935 MW April 6, 1985 0233 Commenced rampdown for load follow.
0326 Stabilized Unit at 83% - 790 MW 0441 Commenced ramp up to 100% power.
0628 Calorimetric complete at 98% power.
Commenced ramp up to 100% power.
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0636 Unit at to 100% power - 930 MW.
April 14, 1985 0125 Commenced rampdown of 300 MW for a load follow.
0311 Stabilized power 70% - 675 MW 0516 Commenced ramp up to 100% power.
0625 Stabilized at 90% for calorimetric 0725 Calorimetric complete Unit at 100% power.
April 18, 1985 0038 Commenced rampdown at 150 MW/hr due to high unidentified leakage 0608 Unit 2 off line. Mode 2 April 19, 1985 2234 Reactor in Mode 1.
2248 Unit 2 on line 2345 Unit stabilized at 30% power - 243 MW for Chemistry hold.
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VIRGINIA EI.ECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO.
2 MONTH April
SUMMARY
OF OPERATING EXPERIENCE l
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.
DATE TIME DATA April 20, 1985 2039 Commenced rampdown power to 10% - 70 MW to repair 2-RC-6.
2125 Stabilized power at 10%.
April 21, 1985 0120 Commenced ramp up to 30% power.
0207 Stabilized Unit at 30% power 240 MW (Chemistry Hold).
1514 Commenced ramp up to 100% power.
1630 Holding Unit at 50% power - MW to start HP heater drain pumps.
1650 Commenced ramp up to 100% power 1700 Stabilized at 55% power - 600 MW to start Main Feed Pump.
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1706 Commenced ramp up to 100% power 1843 Holding unit at 90% power for calorimetric 1915 Commenced ramp up to 100% power 1952 Stabilized at 100% power 933 MW 2340 Commenced rampdown to 800 MW for load follow.
April 22, 1985 0000 Stabilized Unit at 800 MW for load following 0045 Commenced rampdown to 640 MW - 85% power for load follow.
0234 Commenced 50 MW load reduction for load follow.
2
r VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO.
2 NONTH April
SUMMARY
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.
DATE TIME DATA April 22, 1985 0245 Unit at 590 MW - 77% power and holding 0412 Commence ramp up 625 MW - 80% power 0439 Commence ramp up 700 MW - 87% power 0525 Commence ramp up 790 MW - 90% power 0555 Stabilized Unit at 935 MW - 100% power April 26, 1985 0100 Commenced rampdown 100 MW due to load follow 0144 System operator requested additional 50 MW reduction 1
0208 Stabilized Unit at 80% power - 790 MW 0430 Commenced ramp up to 100% power 0455 Stabilized Unit at 87% power - 840 MW l
l 0510 Commenced ramp up to 100% power 1
0555 Stabilized Unit at 100% power - 930 MW 0915 Reactor Trip due to loss of Vital Bus 2-1.
April 27, 1985 0435 Enter Mode 2 April 28, 1985 1515 Unit in Mode 1 l
1544 Unit on line 1635 Stabilized Unit at 30% power-250 MW Chemistry hold 3
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o-VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO.
2 MONTH April
SUMMARY
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.
DATE TIME DATA April 30, 1985 0539 Commence ramp up to 100% power.
1130 Stabilized unit at 100% power - 925 MW 2400 Ended this month with unit at 100% power.
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May 15,1985 Iri[MdiEthe[R'.fBeebsl Serial No.85-341 M
Office of Resource Management N0/DAS:acm U. S. Nuclear Regulatory Commission Docket Nos. 50-338 Washington, D. C. 20555 50-339 License Nos. NPF-4 NPF-7
Dear Mr. Beebe:
Enclosed is the Monthly Operating Report for North Anna Power Station Unit Nos. I and 2 for the month of April, 1985.
Very truly yours, O<
p
-4 A
W.' u L.
tewart Enclosure (3 copies)
-cc:
Mr. J. M. Taylor, Director (12 copies)
Office of Inspection and Enforcement Mr. J. Nelson Grace (1~ copy)
Regional Administrator Region II Mr. M. W. Branch NRC Resident Inspector North Anna Power Station