ML20096C304

Monthly Operating Repts for Dec 1995 for North Anna Power Station,Units 1 & 2

ML20096C304
Person / Time
Site:	North Anna
Issue date:	12/31/1995
From:	Bowling M, Stall J VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
96-010, 96-10, NUDOCS 9601170217
Download: ML20096C304 (12)

Text

.. . . . . _ _ _ _ _ _ _ _ _ _ - _ _

l I

VIRGINIA EI.ncUtIC AND Powen Co>f PANY RictixoNu, VIRGINIA 20261 l

l January 10, 1996 l

U. S. Nuclear Regulatory Commission Serial No.96-010 Attention: Document Control Desk NL&OS/JHL/ CMC Washington, D.C. 20555 Docket Nos. 50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:

VIRGINlA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS 1 AND 2 MONTHLY OPERATING REPORT Enclosed is the December 1995 Monthly Operating Report for North Anna Power Station Units 1 and 2.

Very truly yours, M. L. Bowling, Manager Nuclear-Licensing and Operations Support Enclosure i

cc: U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street, NW l Suite 2900 1 Atlanta, GA 30323 I i.gr. R. D. McWhorter i NRC Senior Resident inspector North Anna Power Station '

17zeyb g9 9601170217 951231 PDR ADOCK 05000330 gi R PDR \

. - - _ - . . . - = . - . - . - . - . -. . . - . _

< n I  !

i 4

i 1

4 i

.i

't i

I VIRGIN 1.1 POWER COMPANY NORTH ANNA POWER STATION j

MONTHLY OPERATING REPORT l- l 4

I MONTH: December YEAR: 1995 f

4 T

T 4

Approved:

J p stauon sanager 2

l OPERATING DATA REPORT DOCKET No.: 50-338 DATE: January 5,1996 CONTACT: J. A. Stall PHONE: (540) 894-2101 OPERATING STATUS

1. Un i t N ame r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N o r t h Anna 1

2. Reporting Period:......................... December 1995-

3. L icensed Thermal Power (MWt ): . . . . . . . . . . . . . 2,893

4. N ameplate Rating (Gross MWe): . . . . . . . . . . . . . 994

5. D sign Electrical Rating (Net MWe):....... 907

6. Maximum Dependable capacity (Gross MWe):.. 940

7. M2ximum Dependable Capacity (Net MWe):.... 893

8. If changes occu.- in capacity Ratings (Items No. 3 thru 7) since last report, give reasons: ____N/A l l

l l

l

9. Power level to which restricted, if any (Net MWe): ____N/A

10. Reasons for restrictions, if any: N/A l l

l 1

l This Month Y-t-D Cumulative

'1 I

11. H ours i n R epor t i ng Pe r i od. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 744.0 8,760.0 153,636.0 l

12. Number of Hours Reactor was Critical...................... 744.0 8, 738.6 117,186.4 l

13. Rsactor Reserve Shutdown Hours...................... ..... 0.0 20.9 6,951.4

14. Hours Generator 0n-Line................................... 744.0 8,733.8 114,187.5

15. Unit Reserve Shutdown Hours............................... 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH)...................... 2,084,982.1 25,128,157.2 305,313,737.1

17. Gross Electrical Energy Generated (MWH)................... 682,434.0 8,242,715.0 100,318,335.0 j

18. Het Electrical Energy Gener ,J (MWH)..................... 648,964.0 7,838,868.0 95,041,154.0 l

19. Unit Service Factor......... ............................ 100.0% 99.7% 74.3%

20. Unit Availability Factor.................................. 100.0% 99.7% 74.3%

21. Uni t Capaci ty Factor (using MDC Ne t ) . . . . . . . . . . . . . . . . . . . . . . 97.7% 99.8% 69.2%

22. Unit Capacity Factor (using DER Net)...................... 96.2% 98.7% 68.2%

23. Forced Outage Rate........................................ 0.0% 0.3% 9.3%

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):_ Refueling Outage Scheduled for February 10, 1996, Duration 29 Days

25. If Shutdown at end of Report Period, estimated time of Startup: _N/A

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION I

,,, -.. - ,+,,-4 e ,,. < , , , e c - .-

w .-.

4 AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 3 Unit: NA-3 Date: January 5, 1996 i Contact J. A. Stall Phone: (540) 894-2101 i

)

}

l MONTH: December 1995 i DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 894 17 879 l 2 901 18 877 3 901 19 873 4 901 20 871 5 900 21 868 6 900 22 856 4 7 900 23 838 8 900 24 838 d 9 901 25 835 10 900 26 832 .

11 900 27 829 {

12 900 28 826 j 13 899 29 814  !

14 899 30 806 15 899 31 804  ;

16 896 j l

1 i

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 l

NORTH ANNA POWER STATION l

UNIT-NO.: 1 MONTH: December

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 1 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 December 01, 1995 0000 Began month with unit at 100% power, 944 MWe, '

1125 Commenced ramp from 100% power, 944 MWe to perform Turbine Valve Freedom Test (TVFT).

1210 Unit stable at 91% power, 870 MWe, 1258 TVFT completed satisfactorily.

1313 Commenced unit ramp to 100% power from 915 power, 867 MWe.

1419 Unit stable at 100% power, 945 MWe.

December 15, 1995 1500 Commenced End of Life coastdown for February l 1996 Refueling Outage. j December 31, 1995 2400 Ended month with unit at 89.4% power, 849 MWe, i Several small unit ramp-downs (<5% power each) have occurred during this month to match Tave and Tref during end-of-cycle coastdown and are not individually recorded in this report.

l

_ .. .__ __ ..-.__=.___m _ . . . _ _ . . . . . . _ . . . _ _ ~ _ . _ _ _ _ _ , _ _ . . . _ _ _ _ _ . . - . _ _ _ _ . . _ . _ . _ . _ _ . . . _ _ _ _ _

d 4

1 i

Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.: 50-338 Report Month December Unit Name: NA-1 Year: 1995 Date: Januarv 5, 1996

Contact:

J. A. Stall

• No entry this month.

1 1

I a

l i

1 l

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-338 UNIT NAME: NA-1 DATE: January 5, 1996 REPORT MONTH: December 1995 CONTACT: J. A. Stall PHONE: (540) 894-2101 1

1 2 3 4 5 No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs) Shutting Event Code Code Action to Down Reactor Report # Prevent Recurrence o No Entry This Month i 1: Type 2: Reason 3: Method 4:

F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F- Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-Ol61)

F= Administrative 9=Other G= Operational Error 5:

H=Other (explain) Exhibit H - Same Source s

i .. .

s OPERATING DATA REPc4T

. a.

DOCKET NO. 50-339

DATE

January 5, 1996 CONTACT: J. A. Statt

PHONE

(540) 894 2101 1

OPERATING STATUS s

1 A

l

1. Un i t N ame

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N o r t h Anna 2 l

2. Reporting Period

......................... December 1995 '

7

3. Licensed Thermal Power (MWt):............. 2893 l

4. Nameplate Rating (Gross MWe):............. 979 j 5. Ossign Electrical Rating (Net MWe):....... 907

6. MJtXimun Dependable Capacity (Gross MWe):.. 944

7. MIximun Deperuste Capacity (Net MWe):.... 897 i

4

8. If changes occur in Capacity Ratings (Items No. 3 thru 7) since test report, give reasons: N/A i l

1 1 n

1

9. Power Level to which restricted, if any (Net MWe): _ N/A

10. Raasons for restrictions, if any: N/A This Month Y*t-D Cumulative

11. Hours in Reporting Period................................. 744.0 8,760.0 131,904.0

12. Nunber o f Hours Reac tor was Cri t i ca l . . . . . . . . . . . . . . . . . . . . . . 744.0 7,124.1 110,057.6

13. Reactor Reserve Shutdown Hours............................ 0.0 26.1 6,535.0 1

14. Hours Generator 0n-Line................................... 744.0 7,087.4 108,923.1

15. Unit Reserve Shutdown Hours............................... 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) ..................... 2,150,951.2 19,361,274.7 295,977,238.7

17. Gross Elect rical Energy Generated (MWH) . . . . . . . . . . . . . . . . . . . 709,995.0 6,354,561.0 96,831,418.0

18. Nst Electrical Energy Generated (MWH)..................... 676,339.0 6,031,671.0 92,571,639.0

19. Unit Service Factor....................................... 100.0% 80.9% 82.6%

20. Unit Availability Factor.................................. 100.0% 80.9% 82.6%

21. Unit capacity Factor (using MDC Net)...................... 101.3% 77.2% 78.0%

22. Unit Capacity Factor (using DER Net)...................... 100.2% 75.9% 77.4%

23. Forced Outage Rate........................................ 0.0% 0,4% 4.9%

l

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

i l

1

25. If Shutdown at end of Report Period, estimated time of Startup: N/A

26. Units in Test Status (Prior to comercial Operation):

Forecast Achieved 1

INITIAL CRITICALITY 1

INITIAL ELECTRICITY l'

COMMERCIAL OPERATION I

J

AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-339 Unit: NA-2 Date: Januarv 5, 1996 Contact J. A. Stall Phone: (540) 894-2101 MONTH: December 1995 i

DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER j LEVEL (MWe-Net) LEVEL (MWo-Net) 1 911 17 907 i 2 911 18 909 3 911 19 910 4 911 20 912 l 5 910 21 912 6 910 22 910 i 7 909 23 911 l 8 909 24 911 l 9 901 25 912 i 10 911 26 912 11 910 27 910 l 12 910 28 908 f 13 909 29 908  !

14 909 30 908 15 893 31 908 16 907  !

l i

l Instructions:

On this format, list the average daily unit power level in MWe- l Net for each day in the reporting month. Compute to the nearest ,

whole megawatt. l l

NORTH ANNA POWER STATION UNIT NO.: 2 MONTH: December

SUMMARY

OF OPERA'IING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a summary of operating j experiences for this month which required load reductions or resulted in l significant non-load related incidents.

Date Time Data December 01, 1995 0000 Began month with unit stable at 100% power, 955 MWe, December 08, 1995 2320 Commenced rampimg unit from 100% power, 953 MWe l to allow removal of 2-FW-E-1B relief valve. l December 09, 1995 0100 Unit stable at 99% power, 935 MWe, I 1347 Feedwater heater, 2-FW-E-1B, returned to service. Commenced ramp to 100% power.

1400 Unit stable at 100% power, 954 MWe.

! December 15, 1995 0907 Commenced ramping unit from 100% power, 953 MWe

] for Turbine valve Freedom Test (TVFT).

0940 Unit stable at 90% power, 855 MWe.

1046 TVFT Completed satisfactorily.

l 1324 Commenced ramping unit from 90% pcwer, 871 MWe to 100% power.

1441 Unit stable at 100% power, 953 MWe.

December 31, 1995 2400 Ended month with unit stable at 100% power, 957 Mwe.

t 1

4 1

]

1 i

Page 1 of 1 1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet I i

1 Docket No.: 50-339 l I

Report Month December Unit Name: NA-2  !

Year: 1995 Date: Januarv 5, 1996

Contact:

J. A. Stall 1

• No entry this month.

l l

l l

c i

i a

]

f i

r l

4

DOCKET NO.: 50-339 UNIT NAME: NA-2 DATE: January 5, 1996 REPORT MONTH: December 1995 CONTACT: J. A. Stall PHONE: (540) 894-2101 1 2 3 4 5

, No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs) Shutting Event Code Code Action to Down Reactor Report # Prevent Recurrence

• No Entry This Month 1: Type 2: Reason 3: Method 4:

F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F- Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-0161)

F=Adulinistrative 9=Other G= Operational Error 5:

H=Other (explain) Exhibit H - Same Source o

.