ML20083L357

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

ML20083L357
Person / Time
Site:	North Anna
Issue date:	04/30/1995
From:	Bowling M, Stall J VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
95-234, NUDOCS 9505180290
Download: ML20083L357 (12)

Text

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VIH01NIA ELuc nic Ann Powan COMPANY RICHMOND,VIHUINIA 202 61 l l

May 11, 1995 U. S. Nuclear Regulatory Commission Serial No.95-234 i Attention: Document Control Desk NL&P/JHUCMC I

Washington, D.C. 20555 Docket Nos. 50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:

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

Very truly yours, h '

M. L. Bowling, Manager Nuclear-Licensing and Programs Enclosure i

cc: U.S. Nuclear Regulatory Commission '

Region ll 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Mr. R. D. McWhorter NRC Senior Resident inspector North Anna Power Station 95o518o290 95o43o PDR ADOCK 05000338 R PDR

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.. <- . j VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH: ADril YEAR: 1995 e

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l Approved:

d Station Manager

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l OPERATING DATA REPORT DOCKET NO.: 50-338 DATE: May 5, 1995 l CONTACT: J. A. Stall PHONE: (703) 894-2101 .

1 OPERATING STATUS '

1 Uni t N ame: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . North Anna 1

2. Reporting Period:......................... April 1995

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

5. Design Electrical Rating (Net MWe) ....... 907

6. Maxinsn Deperdable Capacity (Gross MWe):.. 948

7. Maxinun Dependable Capacity (Net MWe):.... 900

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 "We): N/A

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

11. Hours i n R epor t ing Per i od. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 719.0 2,879.0 147,755.0

12. Number of Hours Reactor was Critical...................... 719.0 2,857.6 111,305.4

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

16. Hours Generator 0n-Line................................... 719.0 2,852.8 108,306.5

15. Uni t R eserve Shutdown Hours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH)...................... 2,079,473.9 8,187,253.8 288,372,833.7

17. Gross Electrical Energy Generated (MWH)................... 685,279.0 2,694,326.0 94,769,946.0

18. Net Electrical Energy Generated (MWH)..................... 652,214.0 2,564,257.0 89,766,543.0

19. Unit Service Factor....................................... 100.0% 99.1% 73.3%

20. Uni t Avai l abi l i t y F ac t or . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100.0% 99.1% 73.3%

21. Unit Capacity Factor (using MDC Net)...................... 100.8% 99.0% 68.0%

22. Unit Capacity Factor (using DER Net)...................... 100.0% 98.2% 67.0%

23. Forced Outage Rate........................................ 0.0% 0.9% 9.8%

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

23. 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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AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 Unit NA-1 Date:- May 5. 1995

Contact:

J. A. Stall Phone: (703) 894-2101 F

MONTH: April 1995 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 909 17 908 2 908 18 908 3 909 19 908 4 907 20 909 5 906 21 908 6 906 22 906 l 7 906 23 907 8 905 24 907 9 906 25 908 10 906 26 908 11 906 27 907 12 908 28 900 13 906 29 907 14 906 30 910 15 909 16 909 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.

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, , , NORTH ANNA POWER STATION UNIT NO.

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MONTH: Acril ,

SUMMARY

OF OPERATING EXPERIENCE I

Page 1 of 1  :

Listed below in chronological sequence is a summary' of operating '

enperiences for ' this month which required load reductions or resulted in significant non-load related incidents.  :

.Date Time Data  !

April 01, 1995 0000 Began month with unit at 100% power, 954 MWe.  ;

April 28, 1995 1114. Commence rampdown to 91% power for Turbine Valve .;

Freedom Test (TVFT).

April 28, 1995 1214 Unit stable at 90.9% power, 870 MWe. ,

April 28, 1995 1310 Commence ramp. to 100% power following satisfactory completion of TVFT. i April 28, 1995 1518 Unit stable at 100% power, 945.5 MWe, l

April 30, 1995 2400 Ended month with unit at 100% power, 954 MWe. .

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. UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet i l

Docket No.: 50-338 Report Month ADril Unit-Name: NA-1 Year 1995 Date: May 5, 1995 3

Contact:

J. A. Stall'

• No entry this month.

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UNIT SHUTDOWNS AND POWER REDUCTIONS -

DOCKET NO.:- 50-338 UNIT NAME: NA-1 DATE: May 5, 1995 REPORT MONTH: April 1995 CONTACT: J. A. Stall.

PHONE: (703) 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 Dowm 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=Lcad Reduction (NUREG-0161)

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

H=Other (explain) Exhibit H - Same Source 4

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OPERATICG DATA REPORT DOCKET No.: 50-339 i DATE: May 5, 1995 I

CONTACT: J. A. Stall PHONE: (703) 894 2101 OPERATINO STATUS

1. Uni t Name: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . North Anna 2 '

2.' Reporting Perlodi......................... April 1995 3.1 Licensed Thermal Power (MWt) ............. 2893

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i Nameplate Rating (Gross MWe) ............. 979

5. Design Electtfcal Rating (Net MWe) ....... 907

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Maximum Dependable Capacity (Gross MWe):.. 935

7. Maxlaun Dependable Capacity (Net MWe):.... 887 F

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

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9. Power level to bAlch restricted, If any (Net MWe): N/A

10. Reasons for restrictlons, If any: N/A >

This Month Y t-D Cumulative

11. Hours in Reporting Period................................. 719.0 2,879.0 126,023.0

12. NLnber of Hours Reactor was Critical...................... 0.0 1,994.0 104,927.5

13. Reactor Reserve Shutdown Hours............................ 0.0 1.3 6,510.2 r

16. Hours Generator 0n Lfne................................... 0.0 1,993.5 103,829.2 C : <". , m - l

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

16. Gross Thermal Energy Generated (MWH) . . . . . . . . . . . . . . . . . . . . . 0.0 4,874,638.6 281,490,602.6

17. Gross Electrical Energy Generated (MWH). ...... .. .. .. ... ... 0.0 1,587,700.0 92,064,557.0

18. Net Electrical Energy Generated (MWH)..................... 0.0 1,500,859.0 88,040,827.0

19. Unit Service Factor....................................... 0.0%

69.2% 82.4%

20. Un I t A va i l ab t 1 i ty Fac t or. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0% 69.2% 82.4%  !

21. Unit Capacity Factor (using MDC Net)...................... 0.0% 58.8% 77.6%

32. Unit Capacity Factor (using DER Net)...................... 0.0% 57.5% 77.0%

23. Forced Outage Rate........................................ i 0.0% 0.0% 5.1%

' 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): . Refueling / Steam Generator Replacement, 03/25/95, 80 days '

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25. If Shutdown at end of Report Period, estimated time of Startup: 06/16/95

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

Forecast Achieved

!NITIAL CRITICAllTY INtilAL ELECTRICITY  !

COMMERCIAL OPERATION

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j AVERAGE DAILY UNIT POWER LEVEL l Docket No.: 50-339 Unit NA-2 Date May 5, 1995

Contact:

J. A. Stall Phone: (703) 894-2101 MONTH: April 1995 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Nst) LEVEL (MWe-Net) 1 0 17 0 2 0 18 0 3 0 19 0 4 0 20 0 5 0 21 0 6 0 22 0 7 0 23 0 8 0 24 0 ___

9 0 25 0 10 0 26 0 11 0 27 0 12 0 28 0 13 0 29 0 14 0 30 0 15 0 16 0 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

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NORTH ANNA POWER STATION UNIT NO.: 2-MONTH: ADril

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 April 01, 1995 0000 Began month with unit in Mode 6 for scheduled Refueling and Steam Generator Replacement Outage.

- April 30, 1995 2400 Ended month with unit defueled for Refueling.

and Steam Generator' Replacement Outage.

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UNIT SHUTDOWN AND POWER REDUCTIONS '

Explanation Sheet Docket No.: 50-339 .

Report Month Anril Unit Name: NA-2 Year 1995 Date: May 5. 1995  :

Contact J. A. Stall

1. 95 Unit shutdown for scheduled Refueling /SGRP outage March 24, 1995 at 2038 hours0.0236 days <br />0.566 hours <br />0.00337 weeks <br />7.75459e-4 months <br />.

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q DOCKET NO.: 50-339.

UNIT NAME: NA-2.

DATE: May 5, 1995-REPORT MONTH: April 1995 CONTACT: J. A. Stall PHONE: (703) 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-95-01 950325 S 720 C/H 1 N/A N/A N/A N/A 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 - Snme Source t

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