ML20094H360

Monthly Operating Repts for Oct 1995 for North Anna Power Station

ML20094H360
Person / Time
Site:	North Anna
Issue date:	10/31/1995
From:	Saunders R, Stall J VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
95-580, NUDOCS 9511140138
Download: ML20094H360 (12)

Text

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VIRGINIA ELECTRIC AND Powen COMI'ANY

- , RICIIMOND,VIROINIA 200 61 November 8,1995 4

i U. S. Nuclear Regulatory Commission Serial No.95-580 Attention: Document Control Desk NL&OS/JHUCMC Washington, D.C. 20555 Docket Nos. 50-338 50-339 License Nos. NPF-4 NPF-7 .

l Gentlemen: l VIRGINIA ELECTRIC AND POWER COMPANY l NORTH ANNA POWER STATION UNITS 1 AND 2 '

MONTHLY OPERATING REPORT Enclosed is the October 1995 Monthly Operating Report for North Anna Power Station )

Units 1 and 2. l Very truly yours, R. F. Saunders Vice President-Nuclear Operations Enclosure cc: U.S. Nuclear Regulatory Commission Region ll 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 j

Mr. R. D. McWhorter NRC Senior Resident inspector North Anna Power Station

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951114o138 951031 .

PDR ADOCK 0500o338 /

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i VIRGINIA POWER COMPANY  !

NORTH ANNA POWER STATION  !

MONTHLY OPERATING REPORT l 1

1 MONTH: October YEAR: 1995 1 l l l

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l Approved:

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pT stauon Manager m ----

. OPERATING DATA REPORT

. DOCKET NO.: 50-338 DATE: November 5, 1995 CONTACT: J. A. Stall PHONE: (703) 894-2101 OPERATING STATUS

1. Unit Name:................................ North Anna 1

2. R eport i ng Per i od: . . . . . . . . . . . . . . . . . . . . . . . . 0c t ober 1995

3. Licensed Thermal Power (MWt):............. 2,893

4. Nameplate Rating (Gross MWe):............. 994

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

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

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

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 MWe): _N /A

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

11. Hours i n R eport i ng Per i od. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745.0 7,296.0 152,172.0

12. Nunber of Hours Reactor was Cr i t ical . . . . . . . . . . . . . . . . . . . . . . 745.0 7,274.6 115,722.4

13. R: actor Reserve Shutdown Hours............................ 0.0 20.9 6,951.4 it. Hours Generator 0n-Line................................... 745.0 7,269.8 112,723.5

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

16. Gross Thermal Energy Generated (MWH ) . . . . . . . . . . . . . . . . . . . . . . 2,154,437.2 20,960,264.4 301,145,844.3

17. Gross Electrical Energy Generated (MWH)................... 706,678.0 6,878,827.0 98,954,447.0

18. nit Electrical Energy Generated (MWH)..................... 671,999.0 6,541,165.0 93,743,451.0

19. Unit Service Factor....................................... 100.0% 99.6% 74.1%

20. Unit Availability Factor.................................. 100.0% 99.6% 74.1%

21. Unit Capacity Factor (using MDC Net)...................... 101.0% 99.9% 68.9%

22. Uni t Capaci ty Fact or (using DER Net) . . . . . . . . . . . . . . . . . . . . . . 99.5% 98.8% 67.9%

23. Ftrced Outage Rate........................................ 0.0% 0.4% 9.4%

25. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):_ Refueling Outage Scheduled far February 10, 1995, Duration 34 Days

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

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

l AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 l Unit: NA-1

! Date: November 5, 1995 Contact J. A. Stall Phone: (703) 894-2101 l

l MONTH: October 1995 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) t- 1 902 17 904 l 2 902 18 905 l 3 901 19 901 l 4 901 20 902 5 901 21 902 6 901 22 901 7 901 23 901 8 901 24 901 9 902 25 902 10 904 26 901 11 904 27 894 12 904 28 903 13 904 29 902 14 904 30 902 15 905 31 902 16 903 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, I

NORTH ANNA POWER STATION I

.. i UNIT NO.s 1 MONTH: October

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 1 ,

Listed below in chronological sequence is a summary of operating i experiences for this month which required load reductions or resulted in significant non-load related incidents.

Date Time Data i I

October 01, 1995 0000 Began month with unit at 100% power, 948 MWe.

October 27, 1995 0918 Commenced power reduction from 100%, 948 MWe for l Turbine Valve Freedom Test (TVFT).

1004 Unit stable at 93% power, 875 MWe for TVFT.

1111 Completed TVFT satisfactorily.

1133 Commenced ramp up to 100% power from 92% power, 873 MWe, 1245 Unit stable at 100% power, 944 MWe.

October 31, 1995 2400 Ended month with unit at 100% power, 947 MWe.

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UNIT SHUTDOWN AND POWER REDUCTIONS i Explanation Sheet I Docket No.: 50-338 Report Month October Unit Name: NA-1 Years 1995 Date: November 5, 1995

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: November 5, 1995 REPORT MONTH: October 1 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 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

. OPERATING DATA REPORT l

.' DOCKET Wo.: 50-339 DATE: November 5,1995 ,

CONTACT: J. A. Stall J PHONE: (703) 894-2101 i

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OPERATING STATUS

1. Unit Name:................................ North Anna 2

2. Repor t i ng Per i od: . . . . . . . . . . . . . . . . . . . . . . . . 0ctober 1995

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

4. Nameplate Rating (Gross MWe):............. 979

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

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

7. Maximum Dependable Capacity (Net MWe):.... 897 j i

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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. R;csons for restrictions, if any: N/A l

This Month Y-t D Cumulative i

11. Hours i n R eport i ng Per i od. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745.0 7,296.0 130,440.0

- 12. Number of H ours R eactor was Cri t i cal . . . . . . . . . . . . . . . . . . . . . . 745.0 5,685.7 108,619.2 j

13. R actor Reserve Shutdown Hours............................ 0.0 1.3 6,510.2 l

14. H our s Generat or 0n- L i ne. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745.0 5,653.9 107,489.6 l

15. Unit Reserve Sherdown Hours............................... 0.0 0.0 0.0 l

16. Gross The rmal Energy Generat ed (MWH) . . . . . . . . . . . . . . . . . . . . . 2,149,192.2 15,236,340.1 291,852,304.1 '

17. Gross E lectri cal Energy Generat ed (MWH) . . . . . . . . . . . . . . . . . . . 708,837.0 4,993,762.0 95,470,619.0

18. N;t E lect ri cal Energy Generat ed (MWH) . . . . . . . . . . . . . . . . . . . . . 674,144.0 4,735,B81.0 91,275,849.0

19. Unit Service Factor....................................... 100.0% 77.5% 82.4%

20. Unit Availability Factor.................................. 100.0% 77.5% 82.4%

21. Unit Capacity Factor (using MDC Net)...................... 100.9% 72.8% 77.8%

22. Uni t capaci ty Factor (us i ng DER Net ) . . . . . . . . . . . . . . . . . . . . . . 99.8% 71.6% 77.2%

23. Fcreed Outage Rate........................................ 0.0% 0.0% 4.9%

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

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

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

Forecast Achieved l INITIAL CRITICALITY ]

INITIAL ELECTRICITY COMMERCIAL OPERATION

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AVERAGE DAILY UNIT POWER LEVEL i i

Docket No.: 50-339 Unit: NA-2 L November 5, 1995 l

Dates i

Contact J. A. Stall -

Phone: (703) 894-2101 l l i

I l MONTH: October 1995  ;

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f DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 910 17 906 2 909 18 907 '

3 908 ,

19 909 4 908 20 909 5 908 21 909 ,

6 841 22 909 l

7 884 23 909 l l 8 907 24 909 l 9 906 25 910 10 905 26 909 11 905 27 909 -

12 904 28 910 13 905 29 910 i 14 905 30 910 l

15 906 31 911 l 16 905 i

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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.: 2

. MONTH: October

SUMMARY

OF OPERATING EXPERIENCE

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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 October 01, 1995 0000 Began month with unit stable at 100% power, 954 MWe.

October 06, 1995 0738 Commenced unit ramp down for Turbine Valve Freedom Test (TVFT) from 100% power, 946 MWe.

• 0809 Unit stable at 90% power, 862 MWe, 0900 Completed TVFT satisfactorily. Holding power ,

at 90% for Condenser Waterbox inspections.  !

October 07, 1995 0418 Commenced unit ramp . following "A" Condenser Waterbox maintenance from 90% power, 854 Mwe. -

One tube was plugged. I i

l 0517 Stopped ramp at 98% power, 924 Mwe for calorimetric. -

l 0625 Commenced ramp to 100% power.

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! 0647 Unit stable at 100% power, 947 Mwe. j l

l October 31, 1995 2400 Ended month with unit stable at 100% power, l 959 Mwe. l l

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Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.: 50-339 Report Month October Unit Names NA-2 Year 1995 Date November 5, 1995

Contact:

J. A. Stall

• - No Entry This Month F

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DOCKET NO.: 50-339- ' " '

UNIT NAME:  ; N A - 2'. .

DATE: November 5, 1995 REPORT MONTH: October 1 1995 CONTACT: J. A. Stal-1  ;

PHONE: (703) 894-2101' i

1 2 3 4 5 Mo.

Date Type Duration Reason Method of Licensee System- Component Cause & Corrective (hrs) Shutting Event Code Code ' Action-to Down Reactor Report # Prevent Recurrence ONo Entry This Month 1: Type 2: Reason 3: Method. 4: I F= Forced A= Equipment Failure (explain)- 1= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data' 2 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 i

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