ML20044C036

Monthly Operating Repts for Feb 1993 for North Anna Power Station,Units 1 & 2

ML20044C036
Person / Time
Site:	North Anna
Issue date:	02/28/1993
From:	Bowling M, Kane G VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
93-129, NUDOCS 9303170029
Download: ML20044C036 (12)

Text

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VIRGINIA EI.ECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261.

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i March 10, 1993 U. S. Nuclear Regulatory Commission Serial-No.-

93-129 Attention: Document Control Desk NL&P/JMJ:jm]

.l Washing;on, D.C. 20555 Docket Nos.

50-338:-

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'50-339 c1 License Nos..NPF-4' NPF-7 i

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Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS 1 AND 2 MONTHLY OPERATING REPORT

't Enclosed is the Monthly Operating Report for North Anna Power Station Units 1 and 2 l

forthe month'of February 1993.

Very truly yours, M. L. Bowling, Mdnager-Nuclear Licensing and Programs Enclosure cc:

U.S. Nuclear Regulatory Commission 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 -

Mr. M. S. Lesser NRC Senior Resident inspector North Anna Power Station 1

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,_ 1 _, _00338 PDR iADOCK'050 p'

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VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT

'I MONTH:

Februarv YEAR:

1993

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Approved:

S

'st6 tion Manager

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. 4 OPERATING DATA REPORT 1

DOCKET No.:

50-338 DATE: March 4, 1993 CONTACT: G. E. Kane PHONE: (703) 894-2101 OPERATING STATUS 1.

Un i t N ame :................................ h or t h A nna 1 2.

Report i ng Pe r i od:......................... F ebruary 1993 3

3.

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

2,748

- 4.

N amepl a te Rat i ng ( Gross MWe).............

947 5.

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

907 G.

Maximum Dependable capacity (Gross MWe):..

894 7.

Maximum Dependable Capacity (Net MWe):....

848 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 HWe): ___N/A

10. Seasons for restrictions, if any:

N/A i

This Month Y-t-D Cumulative

11. H ours in R eport i ng Pe r i od................................

672.0 1,416.0 128,772.0

12. Number of Hours Reactor was critical.....................

0.0 84.2 94,015.0

13. Seactor Reserve Shutdown Hours...........................

0.0 15.7 6, 773.7

14. Hours Generator On-Line..................................

0.0 83.0 91,079.7 1

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

0.0 0.0 0.0

.16. Gros s Thermal Energy Generat ed (MWH).....................

0.0 95,402.5 240,271,589.4

17. Gross Elect rical Energy Generated (MWH)..................

0.0 31,066.0 78,957,971.0

18. Het E lectrical Energy Generat ed (MWH)....................

0.0 27,823.0 74,741,763.0

19. Unit Service Factor......................................

0.0%

5.9%

'70.7%

20. Uni t Aval l ebi li ty F ac t or.................................

0.0%

5.9%

70.7%

21. Unit Capacity Factor (using MDC Net).....................

0.0%

2.3%

65.0%

22. Unit Capacity Factor (using DER Net).....................

0.0%

2.2%

64.0%

23. Forced Outage Rate.......................................

0.0%

0.0%

11.4%

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

'25. If Shutdown at end of Report Period, estimated time of Startup: April 21, 1993.

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

Forecast Achieved.

INITIAL CRITICALITY i

INITIAL ELECTRICITY j

COMMERCIAL OPERATION

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i AVERAGE' DAILY UNIT POWER LEVEL Docket No.:-

50-338

l Units.

-NA Date:

Mar.

4.

1993

Contact:

G.

E. : Kane '-

-Phone:

-(703)-894-2101-

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MONTH:

February 1993 4

DAY AVERAGE DAILY POWER DAY' AVERAGE DAILY POWER LEVEL (MWe-Net)

-LEVEL (MWe-Net):-

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17

'O 2

0 18 O'

-3 0

19 0-1; 4

0 20' 0'

i 5

0

.21 0-

-6 0

22-0 7

0-23 0

L; 8

0-24 0'

9

'O 25'

'O~

j 10' O

26 0

^

11 0'

27 0-12 0

'28 0-

'13 0

l 14 0

~I 15 0

16 0

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. Instructions:

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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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_ m UNIT SHUTDOWNS AND POWER REDUCTIONS

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DOCKET NO.:

50-338 UNIT NAME:

NA-1 DATE: Mar.

4, 1993 REPORT MONTH: Feb. 1993 CONTACT:

G.

E. Kane 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 93-01 930104 S

672.0 C/H 1

N/A N/A N/A Shutdown for refueling and replacenent of Steam Gen-erators.

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

2 -

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I Page 1

of _,1 s

UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Dooket No.:

50-338 Report Month February Unit Name:

NA-1 Year:

1993 Date! Mar.

4, 1993

Contact:

G.

E. Kane i

1. 93-01 Jar.uary 4, 1993 4

Main generator taken of f-line at 1100 hours0.0127 days <br />0.306 hours <br />0.00182 weeks <br />4.1855e-4 months <br /> for a i

refueling and steam generator replacement outage.

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NORTH ANNA POWER STATION UNIT NO.:

1

. MONTH:

February

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 February 01, 1993 0000 Began month with unit defueled for a steam generator replacement outage.

February 28, 1993 2400 Ended month with unit remaining defueled.

Old steam generators have been removed and placed in storage.

New generators are in place with welding ongoing.

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OPERATING DATA REPORT t

DOCKET No.:

50-339 DATE: March 4, 1993 '

CONTACT:

G. C. Kane i

3 PHONE:- (703) 894-2101-i OPERATING STATUS 1.

Uni t N ame s................................ N ort h Anna 2 2.

Reporting Periodi......................... February 1993 3.

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

2893 4 Naneplate Rating (Gross MWe):.............

947

.5.

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

907 6.

Maximum Dependable capacity (Gross MWe):..

957

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7.

Maxinksa Dependable capacity (Net MWe):....

909 i

- 8.

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

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9.

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

10. Reasons for restrictions, if any:

N/A i

This Month Y-t-D Cumulative

11. Hours i n R eport i ng Per i od................................

672.0 1,416.0 107,040.0

12. Number of Hours Reactor was cri t ical.....................

672.0 1,416.0 88,460.2 r

13. React or Reserve Shutdown Hours...........................

0.0 0.0 6,244.4

14. Hours Gerera t or 0n-L i ne..................................

672.0 1,416.0 87,429.1

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

0.0 0.0 0.0

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16. Gross Thermal Energy Generated (MWH).................... 1,943,126.8 4,094,726.0 236,219,490.5 i

17. Gross E lectrical' Energy Generated (MWH)..................

637,415.0 1,342,714.0 77,379,430.0 18.' Net E lect ri cal Energy Generat ed (MWH)....................

606,883.0 1,278,378.0 74,102,859.0

10. Unit Service Factor......................................

100.0%

100.0%

81.7%

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20. Uni t A va l t abi li ty Fac t or.................................

100.0%

100.0%

81.7%

21. Uni t Capac i t y f ac t or ( usi ng MDC Net ).....................

99.4%

99.3%

76.9%

22. Uni t Capac i t y F ac t or ( us i ng DER Net ).....................

99.6%

99.5%

76.3%

23. F orc ed Out a g e R o t e......................................

0.0%

'0.0%

5.5%

l

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):Ref ueling outage, September 4,

.1993, 60 days.

1

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

N/A

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

Forecast Achieved

.i INITIAL CRITICALITY INITIAL ELECTRICITY l

COMMERCIAL OPERATIDN i

i 1

.l AVERAGE DAILY UNIT POWER LEVEL

~t Docket No.:.

50-339 i

Unit NA-2 Date:-

Mar. 4, 1993

Contact:

G.

E. Kane Phone:.

(7031 894-2101

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MONTH:

February 1993

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DAY AVERAGE DAILY' POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

LEVEL (MWe-Net):

5 1

903 17 905 2

903 18 903 3

904 19 899 j

4 904 20 904 5

904 21 903-

j 6

904' 22 903 l

7 904 23 902 4

8 904 24-903 l

9 904

.25

-901 10 903' 26 901 11 904 27 901

-l 12 903 28 902 13 903 14 904

~15 905

.16 905 t

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 nearesti i

whole-megawatt.

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4

UNIT SHUTDOWNS AND POWER REDUCTIONS

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DOCKET NO.:

50-339 UNIT NAME:

NA-2 DATE: Mar.

4, 1993 REPORT MONTH: Feb. 1993 CONTACT: G.

E.

Kane 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 e 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

Page 1

of __1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-339 Report Month February Unit Name:

NA-2 Year:

1993 Date: Mar.

4.

1993

Contact:

G.

E. Kane

• No entry this month.

NORTH ANNA POWER STATION UNIT NO.:

2 MONTH:

Februarv

-BUMMARY 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 February 01, 1993 0000 Began month with unit at 100% power, 952 MWe.

Febraury 19, 1993 1302 Commence rampdown to 92% power for TVFT.

1345 Unit stable at 92% power, 880 MWe.

1438 Commenced ramp to 100% power following satisfactory completion of TVFT.

1624 Unit stable at 100% power, 949 MWe.

February 28, 1993 2400-Ended month with unit at 100% power, 949 MWe.

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