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

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I VIRGINIA EI.ncUtIC AND Powen Co>f PANY RictixoNu, VIRGINIA 20261 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 cc:

U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 i.gr. R. D. McWhorter i

NRC Senior Resident inspector North Anna Power Station 17zeyb g9 9601170217 951231 PDR ADOCK 05000330 gi R

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VIRGIN 1.1 POWER COMPANY

I NORTH ANNA POWER STATION j

MONTHLY OPERATING REPORT l-l 4

I MONTH:

December YEAR:

1995 f

4 T

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Approved:

J p

stauon sanager 2

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 9.

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

10. Reasons for restrictions, if any:

N/A This Month Y-t-D Cumulative I

11. H ours i n R epor t i ng Pe r i od.................................

744.0 8,760.0 153,636.0

12. Number of Hours Reactor was Critical......................

744.0 8, 738.6 117,186.4

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

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

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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

)

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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 4

6 900 22 856 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

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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.

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NORTH ANNA POWER STATION 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 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.

..-.__=.___m

. _... _ _ ~ _. _ _ _ _ _, _ _... _ _ _ _ _.. -. _ _ _ _.. _. _. _. _ _... _ _ _ _ _

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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 I

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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 No Entry This Month o

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

A 1.

Un i t N ame :................................ N o r t h Anna 2 2.

Reporting Period:......................... December 1995 3.

Licensed Thermal Power (MWt):.............

2893 7

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

8.

If changes occur in Capacity Ratings (Items No. 3 thru 7) since test report, give reasons:

N/A 4

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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

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%

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

N/A i

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 INITIAL CRITICALITY 1

INITIAL ELECTRICITY COMMERCIAL OPERATION 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

l 10 911 26 912 11 910 27 910 f

12 910 28 908 13 909 29 908 14 909 30 908 15 893 31 908 16 907 l

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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

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 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 to allow removal of 2-FW-E-1B relief valve.

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.

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.

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1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet i

Docket No.:

50-339 l

Report Month December Unit Name:

NA-2 Year:

1995 Date: Januarv 5, 1996

Contact:

J.

A.

Stall 1

No entry this month.

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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

.