ML20092F152

Monthly Operating Repts for Jan 1992 for North Anna Power Station,Units 1 & 2

ML20092F152
Person / Time
Site:	North Anna
Issue date:	01/31/1992
From:	Mladen C, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
92-105, NUDOCS 9202190112
Download: ML20092F152 (12)

Text

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f Vil40lNI A I!LI:CTitlO ANil I' owl lt COMI'ANY liarsiuoxas,Vinuixar utiuol l

t February 12, 1992 U. S. Nuclear Regulatory Commission Serial No.

92 106 Attention: Document Control Desk NL&P/JMJ:jmj Washington, D.C. 20555 Docket Nos.

50 338 1

50 339 License Nos. NPF 4 NPF 7 t'

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 January 1992.

Very trulyyours,

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W. L. Stewart Senior Vice President Nuclear Enclosures.

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 i

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i 9202190112 920131 PDR ADOcK 0500o338 k,

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I VIRGINIA POWER COMPANY i

NORTN ANNA POWER STATION MONTMLY OPERATING REPORT MONTN Januarv YEAR:

1992 i

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Approved:

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J OPf RAtits Data RIP 0af 00CKtt No.:

50 338 j

DA't I f ebr uary 3,1992 COMPit tf D 6f

't. Mladen PHONE: (703) 894 2T74 (ttRA1tho $tAtus 1.

tel t h ome s................................ kor t h Anna 1 2.

R epor t t h0 Pe r i od s......................... J erwary 1992

3. - 1 ( c eris ed t h erma l Powe r ( t/Jt ' n..,..........

2,893 e

4.

homeplate Rating (Gross W e).............

94T 1

Design (tectrical Rating (ket Mue):.......

907 6.

Maxinue Deperdable Capacity (Cross We)..

959 T.

Maalaus Deperdable Capacity (Wet We)....

911 t

8.

If changes occur in Capacity Ratir.gs (items to, 3 thro T) since last report, give reasons:

j N/A 9.

Power levet to which restricted, if any (het Mile): _ /A W

10. Reasons for restrictions, if any N/A this Month fat D CLswletive

11. H our s i n R epor t i ng Per i od................................

744.0 744.0 119.316.0

12. Ctsntser of Hours Reet t or was Cr i t i c al.....................

0.0 0.0 86,688.5

13. R eactor R eserve Shut down Hours...........................

0.0 0.0 6,721.7

14. tours Gener a t or 0n L i ne..................................

0.0 0.0 83.771.5

15. Uni t R eserve Shut down Hours..............................

0.0 0.0 0.0

16. Gros s t hermal E ner gy Generat ed (WM ).....................

0.0 0.0 222,152,772.4

17. Gross tiec t ricot Energy Genera t ed (WH)..................

0.0 0.0 73,257,047.0 18, tot E lec t rical Ener gy Gener st ed (WN)....................

0.0 0.0 69,354,617.0

-19. Unit Service factor......................................

0.0%

0.0%

70 2%

20. Uni t Ava i l abi l i t y f ac t or.................................

0.0%

0.0%

T0.2%

21. Uni t cepec i t y f ac t or (us ing MDC het ).....................

0.0%

0.0%

64.0%

22. Uni t Capac i t y f ac t or (us ing DE R Wet ).....................

0.0%

0.0%

64.1%

23. forced Outege Rate.......................................

29.0%

29.0%

12.6%

24. thutdowns $cheduled Over Next 6 Months (Type, Date, and Duration of f ach)

N/A

25. If Shutdown et ord of Report Period, estimated time of Startup 03/13/92

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

i forecast Achieved INITIAL CRifitAllif IWillAL ELECTRICITY COMMERCIAL OP[ RATION

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Avr. RAGE DAILY UNIT POWER LEVEL Docket No.t 5.Q-2) 8 Unit

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Dat6i f.9)n qary_1 1122 completad by 8.__Ca..lilad.cn Phone

.[2.Q21 894-2774 MONTH January 192 L DAY AVERAGE DAILY POWER DAY AVERAGE DAILY LEVEL LEVEL (MWe-Net)

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 9

14 0

30 0

15 0

31 0

16 0

Instructionst On this format, list the average daily unit power level in MWe-Not for each day in the reporting month.

Compute to the nearest whole megawatt.

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Pago 1_ o f __1 UNIT SHUTDOWN AND POWER REDUCTIOND Explanation Sheet Docket No.1 _ EDr_338 Report Month 2Anuary Unit Namut NA-1 Yuart,_1,912_.

Dates Egbruary 3, 1912 Completed by:

Cathio Mladen

/91-10 December 23, 1991 Commenced unit ramp-down and initiated "Hotification of Unusual Event" at 1632 hours0.0189 days <br />0.453 hours <br />0.0027 weeks <br />6.20976e-4 months <br />.

Main Generator taken off-lino at 2059 hours0.0238 days <br />0.572 hours <br />0.0034 weeks <br />7.834495e-4 months <br />.

Main Turbino manually tripped at 2106 hours0.0244 days <br />0.585 hours <br />0.00348 weeks <br />8.01333e-4 months <br />.

Unit ontored Hodo 3 at 2149 hours0.0249 days <br />0.597 hours <br />0.00355 weeks <br />8.176945e-4 months <br />.

December 24, 1991 Unit entered Mode 4 at 0230 hours0.00266 days <br />0.0639 hours <br />3.80291e-4 weeks <br />8.7515e-5 months <br />.

Unit ontored Modo 5 at 0718 hours0.00831 days <br />0.199 hours <br />0.00119 weeks <br />2.73199e-4 months <br />.

Terminated "Hotification of Unusual Event

• at 0730 hours0.00845 days <br />0.203 hours <br />0.00121 weeks <br />2.77765e-4 months <br />.

1. 92-01 January 10, 1392 Unit in Mode 5 for planned inspection and maintenance of Steam Generators.

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.:

50-338 UNIT NAME:

NA-1 DATE: February 3, 1992 REPORT MONTH: January 1992 COMPLETED BY:

C. Mladen PHONE:

(703) 894-2774 1

2 3

4 5

No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)

Shatting Event Code Code Action to Down Reactor Report #

Prevent Recarrence 91-10 911223 F

216.0 A

4 N/A SB SG Unit shutdown required l

by T.S.

3.0.3 due to j

declaring all three steam generators inoperable.

92-01 920110 S

528.0 B

4 N/A SB SG S/G inspections and maintenance planned.

3: Method 4:

1: Type 2: Reason F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or Test 2= Manual Scra=

for preparation of Data 3= Automatic Scram Entry Sheets for Licensee C= Refueling 4= Continuations Event Report (LER) File D= Regulatory Restriction E= Operator Training & License Examination 5= Load Reduction (NUREG-Ol61)

F= Administrative 9=Other 5:

G= Operational Error Exhibit H - Same Source H=Other (explain)

o NORTH ANNA POWER STATION UNIT NO.

1 NONTHI J Jiuary HVMMARLQLDEIRATIN9_XXPERIZILCR Listed below in chronological sequence is a

summary of operating experiencon for this month which required load reductions or resulted in significant non-load related incidents.

D419 TlMt D41A f

January 01, 1992 0000 Bogan month with unit in Hodo 5.

January 31, 1992 2400 Ended month with unit in Mode 5.

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OPtRAtlko DAfa ttPORT Docitt me.:

50 339 DA1( February 3, 1992 i

COMPttitD Bt C. Mladen FNONf (703) 894 2774 OPERAtlWQ $1ATUS 1.

Uni t k ame s................................ W or t h Ama 2 2.

R epor t i ng P e r i od s......................... J arua r y 1992 3.

Licensed thermet Power ( Wt):.............

2893 4.

Nameptete Reting (Gross W e):.............

947 5.

Design Itectrical Reting (Net W e).......

907 6.

Mastma DepeMable Capacity (Gross We)..

957 7.

Me:Imm Deperdable Capacity (het We)....

909 8.

If changes occur in Capacity Ratings (items No. 3 thru 7) since test report, give reasons W/A 9.

Power levet to which restricted, if any (Net We): _ /A W

10. Peesons for restrictions, if any:

N/A this Month YtD Cumulative

11. Cour s i n R epor t I ng P er i od................................

744.0 744.0 97,584.0

12. Nader of Hours t ract or was Cr i t ica t.....................

732.1 732.1 80,468.0

13. R eac t or R ese rve shut down H our s...........................

11.9 11.9 6,069.3

10. b. 's Generator 0n Line..................................

717.0 717.0 79,491.4

15. Unit Reserve shutdown Hours..............................

0.0 0.0 0.0

16. Gross Therme t E ner gy Genera t ed (WW )..................... 1,984,061.2 1,984,061.2 213,801,194.3

17. Gross t iec t rical E nergy Generat ed (MWM)..................

647,575.0 647,575.0 70.027,701.0

18. Ne t t i ec t r i cal Ener gy Genera t ed (WW)....................

615,306.0 615,306.0 67,115.039.0

19. Uni t se rvi c e f ac t or......................................

96.4%

96.4%

81.5%

20. Unit Aveliability factor.................................

96.4%

96.4%

81.5%

21. Unit Capacity factor (using MDC Net)..................,..

91.0%

91.0%

76.4%

22. Uni t Capac i t y f ac t or (us ing DE R We t ).....................

91.2%

91.2%

75.8%

23. f orc ed Out a ge R a t e.......................................

3.6%

3.6%

6.0%

26. $hutdowns schedul'ed Over Went 6 Months (Type, Date, and Duration of tech):_ Refueling / Maintenance Outage,

_ Scheduled to Corner.ce 02/26/92; Estimeted Duration of 60 Days

25. If shutdown at end of Report Period, estimated time of startup N/A

. 26. Unite in fest Status (Prior to Ctenercist Operation):

forecast Achieved IWlilAt CRiflCALITY INITIAL tttCTRICl1Y

' COMMERCIAL OPERAil0N

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.:

50-339 UNIT NAME:

NA-2 DATE: February 3, 1992 REPORT MONTH: January 1992 COMPLETED BY:

C. Mladen PHONE:

(703) 894-2774 i

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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 92-02 920129 F

27.0 A

3 92-001 SJ FCV Reactor trip due to "C" j

Main Feedwater Regulating Valve closure due to d

failed driver card.

4 Replaced card.

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4 4

1 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 i

E= Operator Training & License Examination 5= Load Reduction (NUREG-0161) 4 F= Administrative 9=Other G-Operational Error 5:

,l H=Other (explain)

Exhibit H - Same Source i

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AVERAGE DAILY UNIY POWER LEVEL l

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Docket No.4 50-339 Unitt NA-2

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Dates February _3.

1992 i

completed byl. c. Mladan l

Phonet (703) 894-2774 i

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January 1992 i

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DAY AVERAGE DAILY POWER DAY AVERAGE DAILY LEVEL LEVEL (NWa-Met)

LEVEL (NWe-Met)

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903 17 889' 2

903 18 874

-3 903 19 864

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-4 902 20 861 5

902 21 858 l

6 901 22 855 7

903 23 853 8

901 24 835 9-903 25 833 6

10 898 26 830 11-903 27 827 12 902 28.

824 13 902 29 114 i

14 900 30 188-i 15 898 31 715 l

16 894

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- Instructions 8 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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CORTH ANNA P02ER STATION UNIT NO,t 2

l MONTH 8 a2ADunty_

RUMMARLAZ_QEIRATIEQ JXFIRIINCE 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.

Dals Tint Data January 01, 1992 0000 Bogan month with unit at 100% power, 953MWo.

January 10, 1992 0928 Commenced unit ramp-down to BbOMWo for TVPT.

0955 Unit stable at 880MWo.

1050 TVTT completed satisfactorily.

3058 Commenced unit ramp-up to 100%

power.

1124 Unit stable at 100% power, 942MWo.

January 13, 1992 0143 Unit RCS boron concentration less than 1

ppm, commenced power coastdown for refueling outage.

January 29, 1992 0325 Roactor trip as a result of "C" Main Feedwater Regulating valve failing closed.

1517 Unit ontored Modo 2.

January 30, 1992 0510 Unit entered Modo 1.

0628 Main generator placed on-line.

1004 Unit stable at 30%

power for Chemistry hold.

1703 Commenced unit ramp-up to 48% power.

1747 Unit stable at 48% power, 343MWo.

2057 Commenced unit ramp-up.

2231 Suspended power increase for QPTR datormination.

January 31, 1992 0101 Commenced unit ramp-up.

2400 Ended month with unit at 86% power, 815MWo.

s Pago 1

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_1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation sheet Dookat No.:

50-339 Report Month January Unit Name NA-2 Yeart _1992 Dates Eebruary_3, 19J2 Completed by: __Cathic Mladen

1. 92-02 January 29, 1992 Reactor trip as a result of "C" Main Foodwater Regulating Valvo clonure at 0325 hours0.00376 days <br />0.0903 hours <br />5.373677e-4 weeks <br />1.236625e-4 months <br />.

Unit ontored Modo 2 at 1517 hours0.0176 days <br />0.421 hours <br />0.00251 weeks <br />5.772185e-4 months <br />.

January 30, 1992 Unit ontored Modo 1 at 0510 hours0.0059 days <br />0.142 hours <br />8.43254e-4 weeks <br />1.94055e-4 months <br />.

Main generator on-line at 0628 hours0.00727 days <br />0.174 hours <br />0.00104 weeks <br />2.38954e-4 months <br />.

Unit stable at 30% power for Chemistry hold at 1004 hours0.0116 days <br />0.279 hours <br />0.00166 weeks <br />3.82022e-4 months <br />.

Commenced unit ramp-up to 48% power at 1703.

Unit stable at 48% power at 1747 hours0.0202 days <br />0.485 hours <br />0.00289 weeks <br />6.647335e-4 months <br />.

Commenced unit ramp-up at-2057 hours.

Suspended unit ramp-up for QPTR datormination at 2231 hours0.0258 days <br />0.62 hours <br />0.00369 weeks <br />8.488955e-4 months <br />.

January 31, 1992 Commenced unit ramp-up at 0101 hours0.00117 days <br />0.0281 hours <br />1.669974e-4 weeks <br />3.84305e-5 months <br />.

Ended month with unit at 86% power in power coastdown.

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