ML20129G123

Monthly Operating Repts for Mar 1985

ML20129G123
Person / Time
Site:	North Anna
Issue date:	03/31/1985
From:	Jun Lee, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	Beebe M NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
85-260, NUDOCS 8506070158
Download: ML20129G123 (16)

Text

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OPERATING DATA REPORT DOCKET NO. 50-338 DATE 04-02-85 COMPLETED BY Joan N. Lee TELEPHONE (703) 894-5151 X2527 OPERATING STATUS

1. Unit Name: North Anna 1

2. Reporting Period: March, 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): 937

7. Maximum Dependable Capacity (Net MWe): 890

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 Yr.-to-Date Cumulative

11. Hours In Reporting Period 744 2160 59,388

12. Number of Hours Reactor Was Critical 744 2160 40,531.7

13. Reactor Reserve Shutdown Hours 0 0 3,084.2

14. Hours Generator On-Line 744 2132.8 39,245.0

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 1,830,174 5,623,285 102,487,947

17. Gross Electrical Energy Generated (MWH) 617,354 1,901,506 33,273,691

18. Net Electrical Energy Generated (MWH) 584,903 1,805,703 31,421,681

19. Unit Service Factor 100.0 98.7 66.1

20. Unit Availability Factor 100.0 98.7 66.1

21. Unit Capacity Factor (Using MDC Net) 88.3 93.9 59.4

22. Unit Capacity Factor (Using DER Net) 86.6 92.1 58.3

23. Unit Forced Outage Rate 0 1.2 12.8

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 , .

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- v AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-338 UNIT NA-1 DATE 04-02-85 COMPLETED BY Joan N. Lee TELEPHONE 703-894-5151X2527 MONTH March, 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 234 17 897 2 234 18 890 3 247 19 882 4 243 20 896 5 256 21 896 6 832 22 896 7 896 23 895 8 882 24 886 9 898 25 892 10 895 26 893 11 896 27 895 12 896 28 895 13 897 29 891 14 897 30 877 15 896 31 895 16 897 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.

Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO. 50-338 REPORT If0 NTH March UNIT NAME NA-1 YEAR 1985 DATE 04-02-85 COMPLETED BY Joan Lee No entries this month.

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-338 UNIT NAME North Anna 1 DATE 04-02-85 REPORT MONTH March, 1985 COMPLETED BY Joan Lee

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TELEPHONE (703) 894-5151 X2527 No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours) Shutting - 3 "*"' Code Action to Down Reactor Mcport ! *4 5 Prevent Recurrence 85-07 850228 F A 4 - - - -

Continuation of 30% power hold due to secondary chemistry problems caused by condenser tube leaks e 85-08 850301 S B 5 - - -

Ramped down to 28% power for Turbine Valve Freedom test -

Unit returned to 30% power.

85-09 850308 S B 5 - - -

Ramped down to 80% power to replace Bus duct cooling fan belts. Unit returned to 100%

power.

85-10 850329 S B 5 - - -

Ramped down for Turbine Valve Freedom test. Unit returned to 100% power.

4 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

VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO. 1 MONTH March SUM 1ARY 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 March 1, 1985 0000 Began this month with Unit at 30% power due to secondary chemistry problems caused by condenser Tube leaks. -

. 2340 Commenced ramp down to 196 MW 28%. power for Turbine Valve Freedom test.

March 2, 1985 0020 Stabilized Unit at 195 MW 28% Power for Turbine Valve Freedom test.

0052 Commenced Turbine Valve Freedom test.

0120 Test complete. Holding power at 28% 195 MW per System Operator.

0402 Commenced increasing power to 30%.

0440 Unit at 30% power - 280 MW.

March 5, 1985 2135 Commenced ramp up to 100% power at 0.3% per hour.

March 6, 1985 0346 Stabilized Unit at 90% to perform calorimetric.

0422 Calorimetric complete ramping up to 100% power.

0543 Unit at 100% power.

March 8, 1985 1235 Commenced ramping Unit down to 80% to replace bus duct cooling fan belts.

1345 Stabilized power at 81% - 822 MW.

1420 Repairs complete - commenced ramp up to 100%.

1545 Stabilized power at 98% power - 921 MW for calorimetric.

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6 VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO. 1 MONTH March

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 March 8, 1985 1610 Calorimetric complete - Commenced ramp up to 100% power.

1630 Unit at 100% power.

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March 29, 1985 2140 Commenced ramp down for Turbine Valve Freedom test.

2330 Stabilized power 91% power - 865 MW.

2335 Commenced Turbine Valve Freedom test.

March 30, 1985 0516 Turbine Valve Freedom Test complete -

commenced ramp up to 100%.

0615 Unit at 100% power.

March 31, 1985 2400 Ended this month with Unit 1 at 100% power.

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8 OPERATING DATA REPORT DOCKE1 NO. 50-339 DATE 04-02-85 COMPLETED BY Joan N. Lee TELEPHONE (703) 894-5151 X2527 OPERATING STATUS Notes:

1. Unit Name: North Anna 2

2. Reporting Period: March, 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): 939

7. Maximum Dependable Capacity (Net MWe): 890

-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 Yr.-to-Date Cumulative

11. Hours In Reporting Period 744 2160 37,656

12. Number of Hours Reactor Was Critical 704.5 2120.5 27,910.9

13. Reactor Reserve Shutdown Hours 9.2 9.2 3,995

14. Hours Generator On-Line 679.1 1990.9 27,396.0

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (HWH) 1,445,997 4,838,257 70,338,498

17. Gross Electrical Energy Generated (MWH) 474,919 1,607,472 23,304,737

18. Net Electrical Energy Generated (MWH) 446,301 1,520,770 22,090,032

19. Unit Service Factor 91.3 92.2 72.7

20. Unit' Availability Factor 91.3 92. 2 72.7

21. Unit Capacity Factor (Using MDC Net) 67.4 79.1 65.9

22. Unit Capacity Factor (Using DER Net) 66.1 77.6 64.7

23. Unit Forced Outage Rate 9.5 7.8 13.1

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

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-339 UNIT NA-2 DATE 04-02-85 COMPLETED BY Joan N. Lee TELEPHONE 703-894-5151X2527 MONTH March DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 883 17 886 2 882 18 523 3 882- 19 0 4 880 20 56 5 536 21 197 6 215 22 199 7 216 23 519 8 216 24 67 9 214 25 219 10 505 26 850 11 877 27 880 ___

12 882 28 850 13 883 29 864 14 870 30 879 15 884 31 881 16 886

-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.

Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO. 50-339 REPORT MONTH March UNIT NAME NA-2 YEAR 1985 DATE 04-02-85 COMPLETED BY Joan Lee 85-10 F (1) Commenced ramping Unit 2 off line on March 18, 1985 at 1145 to comply with Tech. Spec. 3.8.1.1 due to EDG 2J being inoperable. Repairs were made and Unit 2 returned to 100% power on March 23, 1985 at 1401.

85-11 (F) (2) On March 23, 1985 at 2308 Unit 2 Manual Reactor Trip. Trip was initiated due to loss of off site power bus #4 which de-energized reserve station service transformers A and B.

Repairs were made and Unit 2 returned to 100% power on March 26, 1985 at 0315.

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-339 UNIT NAME North. Anna 2 DATE 03-06-85 REPORT MONTH March COMPLETED BY Joan Lee TELEPHONE (703) 894-5151 X2527 No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours) Shutting ven de de A*'I " '

3 4 5 Down Reactor Report # Prevent Recurrence 85-07 850305 F NA A 5 NA NA NA Ramped Unit 2 down to_30% power because of Condenser Tube leaks.

85-08 850308 S NA - B 5 NA NA NA Ramped Unit down to 24% power 205MW for Turbine Valve Freedom test. Unit returned to 30% power.

Unit 2 returned to 100% power March 10, 1985 at 1914.

85-09 850314 S NA H 5 NA NA NA Ramped Unit 2 down for load

, following. Unit returned to 100%

power.

85-10 850318 F 48.0 A 5 LER 85-04 NA NA Ramped down Unit 2 off line to comply with Tech. Spec. 3.8.1.1 due to inoperable 2J diesel.

Repairs made. Unit returned to 100% power on March 23, 1985 at 1401. ,

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

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-339 UNIT NAME North Anna 2 DATE 03-06-85 REPORT MONTH March COMPLETED BY. Joan Lee i

TELEPHONE (703) 894-5151 X2527 l

No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours) Shutting "*"'

• 4 de ^ I" 3 5 Down Reactor Report # Prevent Recurrence 85-11 850323 F 16.9 A 2 LER 85-05 NA NA Unit 2 Reactor trip was initiated due to loss off offsite power Bus

1. 4 which de-energized Reserve Station Buses A & B. Repairs "

made and Unit 2 returned to 100%

power on March 26, 1985 at 0315.

85-12 850328 S NA H 5 NA NA NA Ramped Unit 2 down for load following. Unit returned to 100%

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

1 2 3 4 4

F: Forced Reason: Method: Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Dsta 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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'6 vTRCINIA POWER NORTH ANNA POWER STATION UNIT NO. 2 MONTH March

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 March 1, 1985 0000 Began this month with Unit 2 at 100% power.

March 5, 1985 1110 Commenced ramp down to 30% power due to condenser tube leaks.

1250 Unit 2 Stabilized at 30% power - 250 MW -

(Chemistry Hold).

March 8, 1985 2320 Commenced ramp down to 24% power - 205 MW for Turbine Valve Freedom Test.

0029 Stabilized Unit at 24% power - 205 MW.

0055 Turbine Valve Freedom test complete -

commenced ramp up to 30% power.

0148 Stabilized Unit at 30% power - 262 MW.

March 10, 1985 0839 Commenced ramp up to 100% power.

1630 Stabilized unit at 90% power - 827 MW for calorimetric.

1914 Calorimetric complete - Unit at 100% power -

935 MW.

March 14, 1985 0139 Commenced ramp down or 100 wW for load followin

- 0220 Unit at 87% power - 840 MW, decreasing another 50 MW per System Operation.

0240 Unit at 81% power - 775 MW 0313 Commenced ramp up to 100% power.

0538 Unit 2 at 100% power.

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-o VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO. 2 MONTH March

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 March 18, 1985 1145 Commenced ramp down o f Unit 2 to comply with Tech Spec. 3.8.1.1 due to EDJ 2J being inoperable.

1706 Unit 2 off line.

March 19, 1985 2136 Repairs made Unit 2 Reactor Critical.

March 20, 1985 1703 Unit 2 on line.

1752 Stabilized at 30% power - 233 MW for Chemistry Hold.

March 23, 1985 0900 Commenced ramp up to 100% power.

1253 Stabilized power at 90% power - 865 MW for Calorimetric.

1315 Calorimetric complete - commenced ramp up to 100%.

1401 Unit 2 at 100% power.

2308 Unit 2 Reactor Trip initiated due to Loss of offsite power Bus No. 4 which de-energized Reserve Station Service transformers A and B March 24, 1985 0920 Repairs made - Unit 2 Reactor Critical.

1549 Unit 2 on line.

, 1650 Unit at 30% - 196 MW Chemistry Hold.

March 25, 1985 2222 Commenced ramp up to 100% power.

March 26, 1985 0037 Unit at 52% power - 540 MW.

0315 Unit 2 at 100% power.

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

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 March 28, 1985 0046 Commenced ramp down o f 200 MW for load following per System operator.

0134 Stabilized power at 79% power - 752 MW 0425 Ramp up to 850 MW per System Operator.

Power at 89%.

0448 Commenced ramp up to 100% power.

0528 Stabilized power at 98% for calorimetric.

0556 Calorimetric complete. Unit at 100% power.

March 29, 1985 0207 Commenced ramp d own oF 100 MW for l'ad o followins-per System Operator.

0240 Stabilized power at 89% - 838 MW.

0456 Commenced ramp up to 100% power.

0555 Stabilized at 98% for calorimetric.

0625 Calorimetric complete. Unit at 100% power.

March 31, 1985 2400 Euded this month with Unit at 100% power.

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. cs Rnhmor1411rymts23 61 April 12, 1985 Mr.-Maurice R.'Beebe Serial No.85-260 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-4 NPF-7 j

Dear Mr. Beebe:

l Enclosed is the Monthly Operating Report for North Anna Power Station Unit Nos. I and 2 for the month of March, 1985.

Very truly yours, l 1 y u N,

W. L. Stewart Enclosure (3 copies) cc: Mr. J. M. Taylor, Director (12 copies)-

Office of Inspection and Enforcement ilr. J. Nelson Grace (1 copy)

-Regional Administrator Region II Mr. M. W. Branch NRC Resident Inspector North Anna Power Station t-

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VIRGINIA POWER 4

NORTH ANNA POWER STATION

. MONTHLY OPERATING REPORT MONTH March YEAR 1985 t,

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APPROVED:

STATION MANAGER t

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