ML20138R824

Monthly Operating Repts for Aug 1985

ML20138R824
Person / Time
Site:	North Anna
Issue date:	08/31/1985
From:	Garner B VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML20138R820	List: ML20138R819 ML20138R824 ML20138R828
References
NUDOCS 8511190080
Download: ML20138R824 (13)

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VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH August YEAR 1985 APPROVED:

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OPERATING DATA REPORT DOCKET NO. 50-338 DATE 09-03-85 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS

1. Unit Name: North Anna 1

2. Reporting Period: August, 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 NWe): 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:

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 744 5,831 63,059

12. Number of Hours Reactor Was Critical 427.5 5,514.5 43,886.2

13. Reactor Reserve Shutdown Hours 316.5 316.5 3,400.7

14. Hours Generator On-Line 395.5 5,455.3 42,567.5

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 950,419 14,678,458 111,538,120

17. Gross Electrical Energy Generated (HWH) 319,535 4,945,126 36,317,311

18. Net Electrical Energy Generated (MWH) 302,417 4,698,674 34,314,652

19. Unit Service Factor 53.2 93.6 67.5

20. Unit Availability Factor 53.2 93._6_ 67.5

21. Unit Capacity Factor (Using MDC Net) 45.5 90.3 61.9

22. Unit Capacity Factor (Using DER Net) 44.8 88.8 60.0

23. Unit Forced Outage Rate 46.9 6.4 11.2

24. Shutdownc Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

Refueling, 11-01-85, 48 days

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 I

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-338 UNIT NA-1 DATE 09-03-85 COMPLETED BY Brenda Garner TELEPHONE 703-894-5151X2527 MONTH August, 1985 DAY AVERAGE DAILY POWER IIVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 885 17 67 2 870 18 248 3 43 19 248 4 0 20 465 5 0 21 880 6 0 22 887 7 0 23 888 8 0 24 891 9 0 25 890 10 0 26 890 11 0 27 891 12 0 28 891 13 0 29 890 14 0 30 890 15 0 31 890 16 0 INSTRUCTIONS On this format, list the average daily unit power icvel in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

n-Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO. 50-338 REPORT MONTH August UNIT NAME NA-1 YEAR 1985 DATE 09-03-85 COMPLETED BY Brenda Garner 85-16 1 On August 3, 1985 at 0415 Unit 1 taken off line due to 'A' steam generator tubes. Repairs were made and Unit returned on line August 17, 1985 at 1644. August 20, 1985 at 2049 Unit I was at 100% power.

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UNIT SHUTDOWNS AND POWER RFDUCTIONS DOCKET NO. 50-338 UNIT NAME North Anna 1 DATE 09-03-85' REPORT MONTH August, 1985 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 Type Duration Reason 2 I

No. Date Method of Licensee System Component Cause & Corrective (Hours) Shutting ven Code Code Acdon to 3 4 5 Down Reactor Report # Prevent Recurrence 85-16 850803' S 348.5 B 1 NA- NA NA Ramped Unit 1 off line to repair 'A', steam generator tubes. Unit returned to 100%

power.

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- 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 O  %

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VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO. 1 MONTH August

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 August 1, 1985 0000 Began this month with Unit at 928 MW-100%

power August 2, 1985 2135 Commenced rampdown to 0% power to repair

'A' steam generator tubes.

August 3, 1985 0415 Unit off line 0442 Reactor shutdown August 16, 1985 0915 Reactor critical 1040 Unit at 4.5% power August 17, 1985 1644 Unit on line 1810 Unit holding at 275 MW-30% power for chemistry August 20, 1985 1215 Commenced ramp up to 100% power 1742 Unit holding at 841 HW-90% power for 1-PT-24 calorimetric 1810 Calorimetric, 1-PT-24, complete 2015 Commenced ramp up to 100% power 2049 Unit stabilized at 925 MW-100% power.

August 31, 1985 2400 Ended this month with Unit at 925 MW-100% power.

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l OPERATING DATA REPORT l DOCKET NO. 50-339  ;

DATE 09-03-85 1 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS Notes:

1. Unit Name: North Anna 2

2. Reporting Period: August, 1985

3. Licersed 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 NWe): 893

8. If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons:

9. Power Level To Which Restricted, If Any (Net MWe): N/A

10. Reasons For Restrictions, If Any: N/A l

This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 744 5,831 41,327

12. Number of Hours Reactor Was Critical 744 5,707.4 31,497.8

13. Reactor Reserve Shutdown Hours 0 93.3 4,079.14

14. Hours Generator On-Line 744 5,480 30,885.1

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 2,032,025 14,136,302 79,636,543

17. Gross Electrical Energy Generated (MWH) 670,136 4,692,472 26,389,737

18. Net Electrical Energy Generated (MWH) 636,110 4,448,177 25,017,439

19. Unit Service Factor 100.0 94.0 74.7

20. Unit Availability Factor 100.0 94.0 74.7

21. Unit Capacity Factor (Using MDC Net) 95.7 85.5 68.0

22. Unit Capacity Factor (Using DER Net) 94.3 84.1 66.7

23. Unit Forced Outage Rate 0 6.0 12.0

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

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4 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-339 l

UNIT NA-2 I s.s s

' DATE 09-03-85 l t i COMPLEIED BY Brenda Garner

, o TELEPHONE 703-894-5151X2527 MONTH August DAY AVEFAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)- (MWe-Net) 1 867 17 873 2 ,

811 18 874 3 863 19 874 4 859 20 873 5 847 21 873

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6 701 22 875 7- 716 23 875 8 873 24 '

891 t

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- . 9 874 25 890 10 874 26 875

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874 27 875 12 875 28 875 13 872 29 874 14 867 30 865 15 867 31 769 16 870 INSTRUCTIONS On this format, list the 2virage )lifly unit power level in MWe-Net for each day in the reporting month. Compoth to the nearest whole megawatt, i

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Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO. 50-339 REPORT MONTH August UNIT NAME NA-2 YEAR 1985 DATE 09-03-85 COMPLETED BY Brenda Garner No entries this month i

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' UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-339 UNIT NAME North Anna 2

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DATE 09-03-85

. REPORT MONTH August COMPLETED BY Brenda Garner g -

TELEPHONE (703) 894-5151 X2527 2

. N3.- Date Typel ' Duration. Reason Method of Licensee System Component- Cause & Corrective j' (Hours) Shutting **" Code Action to 3

Down Reactor Report #

• 4 - 5 Prevent Recurrence 85-40 850802. S. NA H 5 NA NA NA Ramped down to 71% power for-load follow. Unit returned to 100% power.

85-41 850805 S NA B 9 'NA NA NA Ramped down to 83% power'for repairs on B Train Feedwater Heater. Unit returned to l- 100% power.

l 85-42 850830 .S NA H 5 NA NA NA Ramped down to 56% power for Turbine Valve Freedom Test.

I Unit returned to 100% power.

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• REVISED 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 l 'H-Other (Explain)- Exhibit H - Same Source l

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r. m VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO. 2 MONTH August

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 August 1, 1985 0000 Began this month with Unit at 910 MW - 100%

power.

August 2, 1985 0056 Commenced rampdown of 260 MW for Load follow.

0245 Unit holding at 644 MW - 71% power for load follow.

0410 -Commenced ramp up to 100% power.

0418 Unit holding at 665 MW - 73% power, per System Operator.

0516 Commenced ramp up to 100 % power.

0615 Unit holding at 818 MW - 88% power per System Operator.

, 0740 Commenced ramp up to 100% power.

.0822 Unit stabilized at 910 MW - 100% power.

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lf August.5, 1985 2130 Commenced rampdown of 150 MW per hour to 750 MW for 'B' Train Feedwater Heater s-2250 Unit holding at 750 MW - 83% power for repairs on 'B' Train.Feedwater Heater.

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- August 7, 1985 2130 Commenced ramp up to 100%~ power, 'E' Train Feedwater Heater repairs complete.

2250 Unit holding at 922 MW ,98% power for

. .2-PT-24 calorimetric.

2325 Unit stabilized at 932 NW - 100% power, N

2-PT-24 calorimetric complete.

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VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO. 2 MONTH August

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 August 30, 1985 2320 Commenced rampdown for 2-PT-34.3, Turbine Valve Freedom Test.

2340 Unit holding at 860 MW - 92% power.

August 31, 1985 0045 Turbine Valve Freedom Test, 2-PT-34.3 completed.

0204 Commenced rampdown of 200 MW per System-Operator for load follow 0324 Commenced rampdown of 100 MW for load follow 0350 Commenced rampdown of 50 MW for load follow 0410 Unit holding at 500 MW 56% power for load follow August 31, 1985 0600 Commenced ramp up to 100% power.

0640 Unit holding at 600 MW - 66% power 0757 Commenced ramp up to 100%

1000 Unit' stabilized at 914 MW, 100% power.

2400 Ended this month with unit at 914 MW -

100% power.

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