ML20115C833

Monthly Operating Repts for Feb 1985

ML20115C833
Person / Time
Site:	North Anna
Issue date:	02/28/1985
From:	Jun Lee, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	Beebe M NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
85-182, NUDOCS 8504180588
Download: ML20115C833 (17)

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t VIRGINIA POWEP. COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH February YEAR 1985 APPROVED:

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8504180588 850228 PDR ADOCK 05000338 (

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OPERATING DATA REPORT DOCKET NO. 50-338 -

DATE 03-06-85 COMPLETED BY Joan N. Lee-TELEPHONE (703) 894-5151 X252 u

OPERATING STATUS

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1. Unit Name: North Anna 1

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. 2. Reporting Period: February, 1985 L3. . Licensed Thermal Power (Wt): 2775

!4. Nameplate: Rating-(Gross MWe): 947

5. . Design Electrical Rating (Net MWe): 907

6. -Maximum Dependable Capacity (Gross NWe): 937

7. Maximum Dependable Capacity (Net NWe): 890

8. :If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reason, N/A 9., Power Level To Which-Restricted, If Any (Net NWe): N/A 10.: Reasons For Restrictions, If Any. N/A This Month Yr.-to-Date Cumulative

11. . Hours In Reporting Period 672 1416 58,644

~12. Number of Hours Reactor Was Critical. 672 1416 39,787.7 '

, 113.'-Reactor Reserve Shutdown Hours 0 0 3,084.2

- 14.- Hours Generator On-Line 672 1388.8 38,501.0-

15. Unit Reserve Shutdown Hours. 0 0 0-

16. -Gross Thermal Energy Generated (MWH) 1,818,107 3,793,111 100,657,773

-17. Gross Electrical Energy Generated (MWH) 615,814 1,284,152 32,656,337-J18. . Net Electrical Energy Generated (MWH). 585,498 1,220,800 30,836,778

19. Unit Service Factor 100.0 98.I 65.6

20. Unit Availability Factor 100.0 98.0 65.7 121.- Unit Capacity Factor (Using MDC Net) 97.9 96.9 58.7:

22.' . Unit Capacity Factor (Using DER Net) 96.1 95.0 57.6

. 23 '. Unit Forced Outage Rate 0 1.9 13.0 ,

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

1 (25. -If Shut Down At End Of Report Period, Estimated Date of Startup:

26. l Units In Test Status (Prior to Commercial Operation):

Forecast Achieved j^ . INITIAL CRITICALITY INITIAL ELECTRICITY

. COMMERCIAL OPERATION ..

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e AVERAGE DAILY UNIT POWER LEVEL l DOCKET NO. 50-338 UNIT NA-1 DATE 03-06-85 COMPLETED BY Joan N. Lee TELEPHONE 703-894-5151X252' MONTH February, 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 895 17 898 2 882 18 897 .'

3 896 19 881 4 893 __

20 894 5 895 21- 886 6 895 22 888 7 896 23 824 8 893 24 810 f

9 893 25 804 10 897 26 846 11 896 27 887 12 896 28 568 13 895 29 14 895 30 15 897 31 16 899 i

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.

.l UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-338  ;

North Anna 1 UNIT NAME .

DATE 03-06-85 REPORT MONTH Februa ry, 1985 COMPLETED BY Joan Lee TELEPHONE (703) 894-5151 X2527 .

Typel Duration Reason 2 Cause &' Corrective No. Date Method of Licensee System Component (Hours) Shutting Event Code 4

Code 5

Action to 3

Down Reactor Report # Prevent Recurrence 85-01 850202 S H 5 - - -

Ramped down for Load following.

Unit returned to 100% power.

85-02 850219 S H 5 - - -

Ramped down for load following.

Unit returned to 100% power.

85-03 850223 S. H 5 - - -

Ramped down for load following.

Unit returned to full power.

85-04 850224 S H 5 - - -

Ramped down for load following.

Unit returned to full power.

85-05 850224 S H 5 - - -

Ramped down for load following.

Unit returned to 100% power.

85-06 850226 S H 5 - - -

Ramped down for load following.

Unit returned to 100% power.

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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 K-Other (Explain) Exhibit H - Same Source

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-338- .

UNIT NAME North Anna 1 "

DATE 03-06 REPORT MONTH February, 1985 COMPLETED BY. Joan Lee TELEPHONE (703) 894-5151 X2527 ,

l 2 Ms. Date Type Duration Reason Method of Licensee System Component Cause_& Corrective (Hours) Shutting Event Code 4; Code 5

Action to 3 Prevent Recurrence Down Reactor Report #

85-07 850228 F A 5 - - -

Ramped unit down to 30% power due to secondary Chemistry problems caused by condenser' tube leaks. Ended this month with unit at 30% power.

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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 i

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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Page 1 of -1 UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO. 50-338 REPORT MONTH February UNIT NAME NA-1 YEAR '1985 DATE 03-06-85 COMPLETED BY Joan Lee

- No entries this month.

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VIRGINIA POWER-NORTH ANNA POWER STATION' UNIT NO. 1 NONTH. February

SUMMARY

OF OPERATING EXPERIENCE Listed below in chronological sequence is a summary of operating

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experiences for this month which required load reductions or resulted in-significant non-load related incidents.

DATE TIME DATA February 1, 1985' 0000 Began this month with Unit I at 100% power.

February 2, 1985- 0116 Commenced Rampdown to approximately 840 MW for Turbine Valve Freedom test.

0216 Stabilizing at 850 MW. 90% power.

0450 Competed Turbine Valve Freedom test.

Commenced ramp up to 100%.

. -; 0540 Stabilized at 98% for estorimetric.

0600 calorimetrie complete - unit at 100%

power.

February 19, 1985 0021 Commenced rampdown to 850 MW for load following.

l 0055 Continuing rampdown to 750 MW for load following.

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l-0203 Commenced increase approximately 15 - 20 MW 0215 Stabilized power at 800 MW. 88% power.

0221 Commenced ramp up to 850 MW. 90% power.

0229 Gassed Vet 0403 Unit I to 100% power.

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February 23, 1985 0026 Commenced Rampdown for load following L 0124 Unit at 77% - 750 MW

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0130 Stabilized power at 75%. 730 MW per System Operator.

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VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO. 1 MONTH 'Februa ry

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 February 23, 1985 0215 Commenced rampdown of another 100 MW per

' System Operator 0252 Stabilized power to 640 MW. 68% power. .

0542 Commenced ramp up to 100% per System .

Operator.

0657 Stabilized power at 90% 'for ~ calorimetric.

0719 calorimetric complete.

g 0805 Unit 1 at 100% power.

- February 24, 1985 0104 commenced rampdown for load following Approximately 200 MW.

0207 Unit at 764 NW continuing rampdown to 640 MW per System Operator.

0254 Stabilized at 640 MW - 67% power.

0658 Commencing ramp up to 100% power 0803 Unit at 87% - 822 MW 0830 Stabilized power at 90% for calorimetric.

0912 calorimetric complete. Unit I at 100%

power.

2235 Commenced rampdown to 640 MW for load following.

February 25, 1985 0054 Stabilized power at 650 MW - 68% pcwer per System Operator.

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VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO. 1 MONTH- 'Februa ry

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 February 25, 1985_ 0600 Commenced ramp up to 100% power.

0753 Stabilized power at 90% for. calorimetric..

0901 calorimetric complete. Unit at 100% power. _

February 26, 1985 0006 Commenced rampdown of 200 MW for load Following.

0123 Stabilized power at 78% - 735 MW 0500 Commenced ramp up to 100%

0707 Stabilized power at 98% for calorimetric.

0723 .CalorimetricJ complete. Unit at 100%

power.

Febrauray 28, 1985 1106 Commenced ramping Unit down to 30% due to secondary Chemistry problems.

1411 Unit 1 at 30% power.

2400 Ended this month with Unit I at 30%

power.

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n OPERATING DATA REPORT-DOCKET NO. 50-339 DATE. 03-06-85 COMPLETED BY Joan N. Lee TELEPHONE (703) 894-5151 X252 OPERATING STATUS Notes:

-1. Unit Name: North Anna 2

2. Reporting Period: February, 1985

3. Licensed Thermal Power (MWt): 2775

4. -Nameplate Rating (Gross MWe): 947

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c5. Design Electrical Rating (Net MWe): 907

6. Maximum Dependable _ Capacity (Gross NWe): 939

7. Maximus Dependable Capacity (Net MWe): 890

8. If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reason N/A

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'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 672 1416 36,912 l 672 1416 27,206.4

!- 12. Number of Hours Reactor Was Critical

13. Reactor Reserve Shutdown Hours 0 0 3,985.8 l 26,716.9 L 14. Hours Generator On-Line 567.8 1311.8

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 1,328,924 3,392,260 68,892,501

l. 1,132,553 22,829,818

17. Gross Electrical Energy Generated (MWH) 436,557

18. Net Electrical Energy Generated (MWH) 412,077 1,074,469 21_A43.731 l 19. Unit Service Factor 84.5 92.6 72.4 l

20. Unit Availability Factor 84.5 92.5- 72.4

21. Unit Capacity Factor (Using MDC Net) 68.9 85.3 65.9

22. Unit Capacity Factor (Using DER Net) 67.6 83.7 64.6

23. Unit Forced Outage Rate 15.5 7.3 12.9

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 l

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-339 UNIT NA-2 DATE 03-06-85 COMPLETED BY Joan N. Lee TELEPHONE 703-894-5151X252 MONTH February DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (NWe-Net) (NWe-Net) 1 883 17 844 2 887 18 881 ,

3 887 19 883 4 _

405 20 883 5 0 21 884 6 0 22 894 7 0 23 891 8 0 24 893 9 197 25 865 10 457 26 894 11 882 27 891 f

12 842 28 883 l

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14 210 30 15 209 31 16 219 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 SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-339 .

UNIT NAME North Anna 2

• DATE 03-06-85 REPORT MONTH February- COMPLETED BY Joan Lee TELEPHONE (703) 894-5151 X2527 ,

2 Ms. Date l

Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours) Shutting Event Code 4

Code 5

Action to Down Reactor3 Report # Prevent Recurrence 85-03 850204 F 104.2 A 5 Ramped Unit 2 off liae due to tube rupture in 'C' water box (S/G Chemistry problems).

i Repairs made and Unit 2 returned to full power.

1 i 85-04 850212 S H 5 Ramped down for load following.

Unit returned to full power.

! 85-05 850213 S A 5 Commenced Unit 2 rampdown due to j secondary Chemistry problems. 'C' waterbox out of service. Repairs made. Unit returned to full pover.

85-06 850225 S H 5 Ramped down for load following.

Unit returned to full power.

Ended this month with Unit 2 at il 100% power.

j 1 2 3 4 l 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 j G-Operational Error (Explain) . 5

! H-Other (Explain) Exhibit H - Same Source 9

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Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO. 50-339 REPORT MONTH February UNIT NAME NA-2 YEAR 1985 DATE 03-06-85 COMPLETED BY Joan Lee 85-03 F '(1) On February 4, 1985 at 1544 Unit 2 was ramped off line due to tube rupture in 'C' waterbox (S/G Chemistry problems). Repairs made . and Unit 2 returned on line February 8. 1985 at 2347.

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O VIRGIPIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO. 2 NONTH February

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 February 1, 1985 0000 Began this month with 100% power.

February 4, 1985 0610 MW decreasing - Vacuum decreasing. Suspect

'C' waterbox (tube rupture) investigating.

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0625 Placed h'ogger in service ramped down approximately 3%.

0630 Commenced flooding 'C' waterbox.

0640 Unit at 98% power - 862 MW 0850 Commenced rampdown to 30% power due to S/G Chemistry problems.

1110 Stabilized power at 30% - 230 MW 1445 Commenced ramping Unit 2 off line due to S/G Chemistry problems.

1544 Unit 2 off line.

February 8, 1985 1242 Latched turbine 1258 Turbine at 1800 RPM 2333 Unit 2 in Mode 1 2347 Unit 2 on line February 9, 1985 0039 Stabilized power at 30% for chemistry hold.

30% - 249 MW.

February 10, 1985 1205 Commenced ramp up to 100%

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-TJ VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO. 2 MONTH February

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 signific.ent non-load related incidents. -

t DATE TIME DATA February 10, 1985 1505 Stabilized power at 75% - 700 W 1713 Holding power at 90% for start-up of 2H,EDG.

1726 Re-commenced power increase to 100% .

1916 Unit 2 at 100% power.

February 12, 1985 0005 Commenced rampdown of 200 W for load following.

0117 Stabilized power at 785 W. 75% power.

0450. Commenced ramp up to 100% power.

0610 stabilized power at 98% for calorimetric.

0740 calorimetric complete - Unit at 100% power.

February 13, 1985 0809 Commenced Unit 2 rampdown due to secondary ,

Chemistry problems 'C' waterbox out of service.

0955 Stabilized power at 50% - 515 W.

i 1320 Commenced rampdown to 30%.

1415 Stabilized power at 30% - 208 W.

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February 16,,1985 2345 Commenced ramp up to 100% power.

L February 17, 1985 0023 Unit 2 at 62% power 540 W.

0235 Stabilized power at 90% for calorimetric.

0310 calorimetric complete. Commenced ramp up f to 100% at 3% per hr.

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4 VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO. 2 MONTH February

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 February 17, 1985 0430 Unit 2 at 100% power.

February 25, 1985 0110 Commenced Unit 2 rampdown for load following 0238 Stabilized power at 82% - 800 MW .

0530 Commenced ramp up to 100% power.

0611 Stabilized power at 90% for calorimetric.

0635 calorimetric complete. Commenced ramp up to 100%.

0644 Unit at 100% power.

February 28. 1985 2400 Ended this month with Unit 2 at 100% power.

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March 15, 1985 wweemmaroeuen

Mr. Maurice R. Beebe Serial No.85-182

' Office of Resource Management' N0/JHL:acm U. S.-Nuclear Regulatory Commission Docket Nos. 50-338 Washington, D. C. 20555 50-339 License Nos. NPF 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 February, 1985.

Very truly yours,

( 'n

.. N W. L. Stewart 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 i

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