ML20117E750

Monthly Operating Rept for Apr 1996 for North Anna Power Station Units 1 & 2

ML20117E750
Person / Time
Site:	North Anna
Issue date:	04/30/1996
From:	Bowling M, Matthew W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
96-247, NUDOCS 9605160347
Download: ML20117E750 (12)

Text

1 VIHOINIA ELECTHIC Ah'D PowEH COMPANY j llICIIM ONu, V HOINIA 20261 May 13, 1996 l

l United States Nuclear Regulatory Commission Serial No.96-247 j Attention: Document Control Desk NLOS/RPC ,

Washington, D.C. 20555 Docket Nos. 50 338 l 50-339 l License Nos. NPF-4 l NPF-7 i I

Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS 1 AND 2 M_ONTHLY OPERATING REPORT Enclosed is the April 1996 Monthly Operating Report for North Anna Power Station Units 1 and 2. ,

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Very truly yours, M. L. Bowling, M nager Nuclear Licensing and Operations Support Enclosure cc: U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street, NW Suite 2900 Atlanta, Georgia 30323 Mr. R. D. McWhorter NRC Senior Resident inspector North Anna Power Station 9605160347 960430  ;

PDR R

ADOCK 0500033G PDR

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1000:19 [ I

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i VIRGINIA POWER COMPANY NORTH ANNA POWER STATION l MONTHLY OPERATING REPORT i

I MONTH: April YEAR: 1996 l

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i Approved:

Station Manager

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• OPERATING DATA REPORT  !

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DOCKET No.: 50-338  !

DATE: May 5, 1996 j CONTACT: W. R. Matthews  !

PHONE: (540) 894-2101 l OPERATING STATUS i

1. Unit Names................................ North Anna 1 ,

2. Reporting Periods......................... April'1996 l

3. Licensed Thermal Power (MWt) ............. 2,893 l 4. Nameplate Rating (Gross MWe)2............. 994

5. Dssign Electrical Rating (Net MWe):....... 907 l

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

( '7. M ximum Dependable Capacity (Net MWe) .... 893 l

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

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

10. Ra: cons for restrictions, if any: N/A L

b This Month Y t-D Cumulative i

11. Hours in Reporting Period................................. 719.0 2,903.0 156,539.0  ;

l - 12. N aber of Hours Reactor was critical...................... 719.0 2,202.5 119,388.9 (

l 13. Ratetor Reserve Shutdown Hours............................ 0.0 43.0 6,994.4  !

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14. Hours Generator 0n-Line................................... 719.0 2,174.7 116,362.2

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

16. Grois Thermal Energy Generated (MWH)...................... 2,079,624.4 5,520,280.5 310,834,017.6

17. Grors Electrical Energy Generated (MWH).... . . ..... . ...... . 685,111.0 1,815,212.0 139,145,825.0

18. nit Electrical Energy Generated (MWH)..................... 652,522.0 1,719,383.0 96,760,537.0 ,

19. Unit Service Factor....................................... 100.0% 74.9% 74.3%

l 20. Unit Availability Factor.................................. 100.0% 74.9% 74.3%

! 21. Unit Capacity Factor (using MDC Net)...................... 101.6% 66.3% 69.2%

22. Unit Capacity Factor (using DER Net)...................... 100.1% 65.3% 68.2%

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23. Forced Outage Rate........................................ 0.0% 0.0% 9.2%  ;

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

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 INITIAL ELECTRICITY 4

COMMERCIAL OPERATION 4

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AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338-Unit: NA-1 Date: May 5. 1996 Contact W. R. Matthews i Phone (540) 894-2101 MONTH: April 1996 1

l DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Ne t) 1 909 17 909 l 2 18 908 909 3 909 19 908 4 908 20 908 5 909 21 908 6 909 22 908 7 909 23 908 8 909 24 908 9 905 25 906 10 906 26 906 11 909 27 907 12 909 28 907 13 906 29 907 14 909 30 906 15 904 16 906 l

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l 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. j

NORTH ANNA POWER STATION UNIT NO.: 1 MONTH: April l

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SUMMARY

_OF__ OP_BRATING_EXP ERIENCE Page 1 of 1 Listed below in chronological sequence is a summary of. operating l experiences for this month which required load reductions or resulted in significant non-load.related incidents.

Es_t_t Time Rmta April 01, 1996 0000 Began month with unit at 100% power, 954 MWe.

April 13, 1996 1129 Commenced ramp down from 100% power, 956 MWe for l

Turbine Valve Freedom Test (TVFT).

1212 Unit stable at 91.4% power, 883 MWe.

1240 Commenced ramp from 91.4% power to 100% power after completion of TVFT.

1510 Unit stable at 100% power, 956 MWe.

April 30, 1996 2400 Ended month with unit stable at 100% power, 952 MWe.

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UNIT SHUTDOWN AND POWER REDUCTIONS i Explanation Sheet Docket No.: 50-338 ,

Report Month April Unit Name: NA-1 l 1

i Year 1996 Date: May 5, 1996 l

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Contact:

W. R. Matthews l

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• No Entries This Month. I l

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UNIT SHUTDOrt3S AND POWER REDUCTIONS DOCKET NO.: 50-338 UNIT NAME: NA-1 DATE: May 5, 1996 ,

REPORT MONTH: April 1996 CONTACT: W. R. Matthews PHONE: (540) 894-2101 1 2 3 4 5 Wo. 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 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= Administrative 9=Other G= Operational Error 5:

H=Other (explain) Exhibit H - Same Source

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, . OPERATING DATA REPORT 4

, DOCKET NO.: 50-339

! DATE: May 5, 1996 i l'

[ CONTACT: W. R. Matthews .'l PHONE: (540) 894-2101 i i

i j OPERATING STATUS l

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1. Un i t N am s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N or t h Anna 2 l

2. R epor t i s p Per i od s . . . . . . . . . . . . . . . . . . . . . . . . . Apr i l 1996 l

3. Licensed Thermal Power (MWt) ............. 2693 4.- Nameplate Rating (Gross MWe) ............. 979

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

6. ' MJtximum Dependable Capacity (Gross MWe):.. 944

7. MIximum Dependable Capacity (Net MWe) .... 897 1

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

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

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i This Month' Y-t-D Cumulative

11. Hours i n R eport i ng Per i od. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 719.0 2,903.0 134,807.0

12. Nunber of Hours Reactor was Cr i t i cal . . . . . . . . . . . . . . . . . . . . . . 719.0 2,903.0 112, % 0.6 l 13. R1 actor Reserve Shutdown Hours............................ 0.0 0.0 6,535.0 l .14. Hours Generator 0n-Line................................... 719.0 2,903.0 111,826.1

! 15. Unit Reserve Shutdown Hours............................... 0.0 0.0 0.0 j 16. Gross Thermal Energy Generated (MWH) ..................... 2,079,578.0 8,396,173.9 304,373,412.6

17. Gross E lect ri cal Energy Generated (MWH) . . . . . . . . . . . . . . . . . . . 684,519.0 2,764,276.0 99,595,694.0

18. N1t Electrical Energy Generated (MWH)..................... 651,925.0 2,633,336.0 95,204,975.0

19. Unit Service Factor....................................... 100.0% 100.0% 83.0%

20. Unit Availability Factor.................................. 100.0% 100.0% 83.0%

21. Unit Capacity Factor (using MDC Net)...................... 101.1% 101.1% 78.5%

j 22. Unit Capacity Factor (using DER Net)...................... 100.0% 100.0% 77.9%

23. Forced Outage Rate........................................ 0.0% 0.0% 4.8%

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

r j 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 INITIAL ELECTRICITY COMMERCIAL OPERATION

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l AVERAGE DAILY UNIT POWER LEVEL t

Docket No.: 50-339 Unit: NA-2 ,

Date: May 5. 1996 Contact W. R. Matthews l Phone: (540) 894-2101 MONTH: April 1996 I

DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) i 1 907 17 907 2 907 18 908 l 3 908 19 902

! 4 906 20 906 l 5 906 21 907 ,

6 908 22 906 i 7 907 23 906 8 907 24 907 9 907 25 907 i 10 907 26 906 i l

11 908 27 907 l 12 908 28 907 j 13- 908 29 906 14 908 30 906 15 906 16 907 Instructions:

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

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, , NORTH ANNA POWER STATION l

, UNIT NO.:- 2 l MONTH: Acril l

SUMMARY

OF OPERATING EXPERIENCE ,

1 Page 1 of 1 Listed below in chronological sequence is a summary of op'erating experiences for this month which required load reductions or resulted in .

significant non-load related incidents. l l Date Time Data l

April 01, 1996 0000 Began month with unit stable at 100% power, 954 MWe.

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April 19, 1996 0921 Commenced unit ramp down for Turbine Valve Freedom Test (TVFT). Unit at 100% power, 952 MWe.

1035 Unit stabilized at 90% power, 876 MWe.

l 1112 Completed TVFT. Commenced ramp to 100% power.

l Unit at 90% power, 876 MWe.

1140 Unit stable at 100% power, 952 MWe.

( April 30, 1996 2400 Ended month with Unit stable at 100% power, 951

Mwe.

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9 Page 1 of __1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet l Docket No.: 50-339 Report Month April Unit Name: NA-2 Year: 1996 Date: May 5, 1996 l

Contact:

W. R. Matthews l

• No entries this month.

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DOCKET NO.: 50-339 . .

UNIT NAME: NA-2

• DATE: May 5, 1996 REPORT MONTH: April 1996 CONTACT: W. R. Matthews 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 Entries 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= Administrative 9=Other G= Operational Error 5:

H=Other (explain) Exhibit H - Same Source

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