ML20087M564

Monthly Operating Repts for Feb 1984

ML20087M564
Person / Time
Site:	North Anna
Issue date:	02/29/1984
From:	Jun Lee, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	Haller N NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
135, NUDOCS 8403300055
Download: ML20087M564 (16)

Text

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I VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH February YEAR 1984 APPROVED:

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STATION MANA 1

i 8403300055 840229 '

PDR ADOCK 05000338 -- { {L R PDR

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OPERATING DATA REPORT DOCKET NO. 50-338 DATE 03-04-84 COMPLETED BY Joan N. Lee '.

TELEPHONE (703) 894-5151 X2527 OPERATING STATUS Notes:

1. Unit Name: North Anna 1

2. Reporting Period: February 1984

3. Licensed Thermal Power (MWt): 2775

4. Nameplate Rating (Gross NWe): 947

5. Design Electrical Rating (Net MWe): 907

6. Maximum Dependable Capacity (Gross NWe): 930

7. Maximum Dependable Capacity (Net NWe): 883

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

i No change in gross MDC. MDC net changed to reflect Station Service loads effective 02-01-84.

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

10. Reasons For Restrictions, If Any: N/A This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 696 1,440 49,881.0

12. Number of Hours Reactor Was Critical 494.6 708.6 34,295.1

13. Reactor Reserve Shutdown Hours 7.1 7.1 3,028.6

14. Hours Generator on-Line 490.5 687.8 33,349.4

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 1,293,539 1,833,192 86,884,965

17. Gross Electrical Energy Generated (MWH) 436,500 618,215 28,002,402

18. Net Electrical Energy Generated (MWH) 413,439 586,119 26,417,293

19. Unit Service Factor 70.4 47.8 66.9

20. Unit Availability Factor 70.4 47.8 66.9

21. Unit Capacity Factor (Using MDC Net) 67.3 46.3 60.4

22. Unit Capacity Factor (Using DER Net) 65.4 44.9 58.3

23. Unit Forced Outage Rate 29.6 52.2 12.4

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

Uait 1 Refuelina Outane 05-11-84 Scheduled Fall Maintenance 11-23-84 i

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

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

Forecast Achieved I

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION I

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-338 UNIT NA-1 ,

, DATE 03-04-84 COMPLETED BY Joan N. Lee TELEPHONE 703-894-5151X2527 MONTH February

, DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (NWe-Net) (NWe-Net) 1 0 17 898 2 0 18 893 3 0 19 876 4 0 20 898 5 0 21 900 6 0 22 900 7 0 23 900 8 81 24 899 ,

9 221 25 895 10 416 26 892 11 693 27 900 12 701 28 899 13 775 29 898 14 896 30 15 897 31 16 898 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 PWER REDUCTIONS EXPLANATION SHEET DOCKET NO. 50-338 ,

REPORT MONTli February UNIT NAME NA-1 .

4 YEAR 1984 DATE 03-04-84 COMPLETED BY Joan Lee 84-02 (F) Outage continued from last month. Unit was on-line at 0924 on February 8, 1984.

84-03 (F) (1) At 0958 on February 8, 1984 a reactor trip was caused by a turbine trip. High vibration on the EHC pumps caused a low EHC level turbine trip. Repairs were made and Unit I was on-line at 1410 on February 8,1984. This month ended with unit at 100% power.

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DOCKET NO. 50-338 UNIT SHUrDOWNS AND POWER REDUCTIONS UNIT NAME North Anna 1 DATE 03-04-84 February COMPLETED ,BY Joan Lee REPORT MONTH TELEPHONE. (703) 894-5151 X2527 TypeI Duration Reason Cause & Corrective 2 System Component No. Date Method of Licensee Shutting "'"' Code AI "

(Hours) 3 "4 5 Prevent Recurrence Down Reactor Report #

201.4 A 2 NA NA NA Outage continues from last 84-02 840108 F month. Ended month of January with unit off-line. Unit was on-line February 8, 1984 at 0924.

4.1 A 3 NA NA NA High vibration on EHC pumps 84-03 840208 F caused a low EHC level turbine trip. Repairs made and unit back on-line at 1410 February 8, 1984.

B NA NA NA NA Unit ramped down for Turbine 84-04 840218 S Valve Freedom Test. Unit returned to full power.

B NA NA NA NA Unit ramped down for Turbine 84-05 840225 S Valve Freedom Test. Unit returned to full power.

Ended this month with unit at 100% power.

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I F: Forced Reason: Method: Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparatioh 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 ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO. 1 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 1,1984 0000 Started this month with Unit in Mode 5 due to the Reactor Coolant System leakage.

Repair of steam generator tube leaks in progress.

February 7,1984 0815 Entered Mode 4.

February 8,1984 0512 Unit 1 Reactor critical.

0815 Entered Mode 1.

0924 Unit 1 generator on-line.

0958 Reactor trip due to high vibration on EHC pump causing a low EHC level turbine trip.

February 8,1984 1221 Reactor critical.

1410 Unit 1 on-line.

I 1450 Holding power at 30%, 223 MW for chemistry hold.

Februa ry 10, 1984 0500 Commenced ramp up to 100% at 3% per hour.

February 13, 1984 Unit 1 at 100% power.

1838 February 18, 1984 2050 Commenced rampdown for Turbine Valve Freedom Test.

Februa ry 19, 1984 0019 Commenced Turbine Valve Freedom Test. 91%

power 867 NW.

0044 Completed Turbine Valve Freedom Test. System Operator requested to hold load on Unit I and reduce load on Unit 2 by 150 MW due to low system load.

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Februa ry 19, 1984 0427 Commenced power increase to 100% per System Operator.

0735 Unit at 100% power.

Februa ry 25, 1984 2058 Commenced rampdown for Turbine Valve '

Freedom Test at 3% per hour. *,

Februa ry 26, 1984 0005 Holding power at 860 MW, 91% power.

Februa ry 26, 1984 0020 Commenced Turbine Valve Freedom Test.

0049 Completed Turbine Valve Freedom Test.

Commenced increasing power at 3% per hour.

0400 Unit at 100%.

Februa ry 29, 1984 2400 Ended this month with unit at 100% power.

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1 OPERATING DATA REPORT DOCKET NO. 50-339 DATE 03-04-64 '

COMPLETED BY Joan N. Lee TELEPHONE (703) 894-5151.X2527 OPERATING STATUS Notes:

1. Unit Name: North Anna 2

2. Reporting Period: February 1984

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 NWe): _

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 NWe): N/A

10. Reasons For Restrictions, If Any: N/A This Month Yr.-to-Date Cumulative 11, Hours In Reporting Period 696 1,440 28,152

13. Number of Hours Reactor Was Critical 621.7 1,365.7 21,012.6

13. Reactor Reserve Shutdown Hours 3.5 3.5 3,783.5

14. Hours Generator On-Line 584.5 1,328.5 20,835.6

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (NWH) 1,474,396 3,431,253 53,847,294

17. Gross Electrical Energy Generated (NWH) 483,285 1,123,980 17,838,347

18. Net Electrical Energy Generated (NWH) 457,966 1,065,901 16,917,983

19. Unit Service Factor 84.0 92.3 74.0

20. Unit Availability Factor 84.0 92.3 74.0

21. Unit Capacity Factor (Using MDC Net) 73.9 83.2 67.6

22. Unit Capacity Factor (Using DER Net) 72.5 81.6 66.3

23. Unit Forced Outage Rate 6.2 6.2 6.9

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

Scheduled Maintenance 03-30-84 Unit 2 Refuelina Outane 09-21-84

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 l INITIAL ELECTRICITY  !

COMMERCIAL OPERATION l

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

,. UNIT NA-2 DATE 03-04-84 COMPLETED BY Joan N. Lee TELEPHONE 703-894-5151X2527 MONTH February DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 869 17 834 2 866 18 857 3 0 19 841 4 0 20 837 5 0 21 867 6 0 22 870 7 33 23 873 8 208 24 874 9 21k 25 863 10 620 26 87,0_

11 863 27 869 12 867 28 870 13 824 29 872 14 837 30 15 804 31 16 840 -

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 negawstt.

Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO. 50-339

• REPORT MONTH February UNIT NAME NA-2 ,,

YEAR 1984 DATE 03-04-84

. COMPLETED BY Joan Lee 84-05 F (1) On February 2, 1984, at 2227 Unit 2 commenced ramping down due to sulfuric acid released into the Unit 2 condensate stream and ultimstely into the unit's steam generators. By 0335 February 3,1984, tLe Unit was off-line. The unit was cooled down and cheeical clean up began immediately. The unit was returned to service on February 7, 1984 at 1907.

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UNIT SNUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-339 UNIT NAME North Anna 2 DATE 03-04-84 REPORT MONTH February COMPLETED BY Joan Lee TELEPHONE' (703) 894-5151 X2527 l 2 Component Cause & Corrective No. Date Type Duration Reason Method of Licensee System (Nours) Shutting "*"

• 4 Code 5

^" "

3 Down Reactor Report # Prevent Recurrence 84-05 840203 F 111.5 G 2 NA NA NA Ramped down due to injection of sulfuric acid into Unit 2 condensate stream and ulti-malety into the Unit's steam generators. Following chemical clean up the unit was returned to service.

84-06 840210 S B NA NA NA Ramped down for Turbine Valve Freedom Test. Unit returned to full power.

84-07 840212 S B NA NA NA Ramped down for load following.

Unit returned to full power.

84-08 840213 S B NA NA NA NA Ramped down for load foi. lowing.

Unit returned to full powen 84-09 840214 S B NA NA NA NA Ramped down for load following.

Unit returned to full power.

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-Manua'. 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 ,

M-Other (Explain) Exhibit H - Same Source

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-339

' UNIT NAME North Anna 2 DATE 03-04-84 REPORT MONTH Februa ry COMPLETED BY Joan Lee l

TELEPHONE! (703) 894-5151 X2527 l

2 System Component Cause & Corrective No. Date Type Duration Reason Method of Licensee Shutting Event Code Code *I" (Hours) 3 4 5 Down Reactor Report # Prevent Recurrence 84-10 840216 S B NA NA NA NA Ramped down for load following.

Unit returned to full power.

NA NA NA NA Ramped down for load following.

84-11 840219 S B Unit returned to full power.

84-12 840219 S B NA NA NA NA Ramped down for load following.

Unit returned to full power.

84-13 840225 S B NA NA NA NA Ramped down for Turbine Valve Freedom Test. Unit returned to full power. Ended this

' month with Unit at 100%.

3 4 1 2 F: Forced Reason: Method: Exhibit F - Instructions ,

S: Scheduled A-Equipment Failure (Explain) 1-Manual for PreparationJof 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 (MUREG-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

I VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION i

UNIT NO. 2 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 1,1984 0000 Started this month with Unit at 100% power.

February 2,1984 2228 Commenced ramp down at 150 MW per hour due to sulfuric acid injected into the Unit 2 condensate stream and utimately into the Unit's steam generators.

February 3,1984 0335 Generator off-line.

0340 Tripped main turbine.

February 6,1984 0556 Reactor critical.

February 7,1984 1907 Unit 2 on-line.

February 8,1984 0108 Unit at 30% power, 242 MW for chemistry hold.

Fettrary 10, 1984 0620 Commenced ramp up to 100% power.

1026 Unit at 90%. Holding for calorimetric.

1127 Increasing power to 100%.

1213 Unit at 100% power.

2310 Commenced rampdown to 850 MW for Turbine Valve Freedom Test.

2339 Holding at 850 MW, 92% power.

0015 Commenced Turbine Valve Freedom Test.

0116 Completed Turbine Valve Freedom Test.

0118 Commenced ramp up to 100%.

0144 Unit at 100% power.

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February 12, 1984 2340 Commenced rampdown for load following.

February 13, 1984 0202 Holding at 650 MW, 69% power per System Operator.

0400 Commenced ramp up to 100% power.

0557 Unit at 100%. '

2338 Commenced ramp down for load following.

0020 Unit at 890 MW, power at 96%.

0118 Unit stabilized at 750 MW.

0355 Commenced ramp up to 100% power.

0502 Stabilizing at 98% power for calorimetric.

0525 Calorimetric complete. Unit at 100% power.

Februa ry 14, 1984 2345 Commenced ramp down for load following per System Operator.

February 15, 1984 0000 Continuing ramp down for load following.

Unit at 94% power, 872 MW.

0040 Informed by System Operator to continue ramp down to 675 MW.

0122 Holding power at 675 MW.

0156 Informed by System Operator to reduce power to 625 MW.

0215 Stabilizing power at 625 MW.

- 0438 Commenced ramp up per System Operator.

0634 ' Stabilizing power at 90% for calorimetric.

0740 Unit at 100% power.

February 16, 1984 0005 Commenced rampdown for load following.

0055 Stabilized at 724 MW, 76% power.

0242 Commenced ramp up per 0.P. 2.1.

0323 Holding at 824 MW, 86% power for calorimetric.

0357 Completed calorimetric and commenced ramp up to 100% power.

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,. , . . . , -.-....,,-,,..c-.- . - . . _ . .

1 Februa ry 16, 1984 0454 Unit at 100% power.

February 19, 1984 0050 Commencing ramp down for load following per System Operator.

0150 Stabilizing power at 83% power, 775 MW. ,,,

0505 Commenced ramp up to 100% power. ,,,

0623 Unit at 100% power.

February 19, 1984 2325 Commenced ramp down for load following per System Operator.

Februa ry 20, 1984 0030 Power at 84%, 789 MW.

0509 Commenced ramp up to 100% power.

February 20, 1984 0604 Unit at 100% power.

Februa ry 25, 1984 0007 Commenced ramp down for Turbine Valve Freedom Test.

0044 Commenced Turbine Valve Freedom Test. Unit at 840 MW.

0145 Turbine Valve Freedom Test complete. Commenced ramp up to 100%.

0240 Unit at 100% power.

Februa ry 29, 1984 2400 Ended this month with Unit at 100% power.

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f VIRGINIA ELECTHIC AND Pownu COMPANY Ricnwoxn,Vinauxu 23261 i

W.L. STEWART vics r"""'"""'

Ni cLEAm Oramatrons March 14, 1984 Mr. N. M. Haller, Director Serial No. 135 Office of Management and Program Analysis N0/JHL:acm U. S. Nuclear Regulatory Commission Docket Nos. 50-338 Washington, D. C. 20555 50-339 License Nos. NPF-4 NPF-7

Dear Mr. Haller:

Enclosed is the Monthly Operating Report for North Anna Power Station Unit Nos. l'and 2 for the month of February, 1984.

Very truly yours, W. L. Stewart Snclosure (3 copies) cc: Mr. R. C. DeYoung, Director (12 copies)

Office of Inspection and Enforcement Mr. James P. O' Reil 3y (1 copy)

Regional Administrator Region 11 Mr. M. W. Branch NRC Resident Inspector North Anna Power Station-i )

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