ML20199F035

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Monthly Operating Repts for Dec 1998 for Ano,Units 1 & 2
ML20199F035
Person / Time
Site: Arkansas Nuclear  Entergy icon.png
Issue date: 12/31/1998
From: Coffman S
ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20199F020 List:
References
NUDOCS 9901210177
Download: ML20199F035 (10)
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Text

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F Arkansas Nuclear One Unit 1 Monthly Operating Report l

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j 9#01210177 990114 PDR ADOCK 05000313 h E

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l OPERATING DATA REPORT {

I DOCKET NO: 50-313 I UNIT: ANO Unit 1 DATE: January 14,1999 l COMPLETED BY: Steve Comman l TELEPHONE: (501) 858-5560 OPERATING STATUS l

1. Unit Name: Arkanses Nuclear One -Unit 1
2. Reportars Penod. Decenter 1-31 i 3.- Licensed %ernal Ptmer(MWt): 2,568 I
4. Nameplate Rating (Gross MWe): 903
5. Design ElectncalRating(Not MWe): 850
6. . Maximum E-,--: ' " Capadty (Gross MWe): 883 I
7. Maximum Dependable Capacity (Net MWe): 836
8. If Changes Occur in Capacity Ratings (Items Numt cr 3 Through 7) Since Last Report, Give Reasons
9. PowerIAvel To Which Restncted if Any (Net MWe):  ;
10. ReasonsForRestrictions. IfAny: '

MONTl! YR-TO-DATE CUMULATIVE l

11. Hoursin Reporting Penod 744.0 8,760.0 210,691 1
12. Number ofHours Reactor Was Critical $95.0 7,425.0 160,680.6
13. Reactor Reserve Shutdown Hours 0.0 0.0 5,044.0 .
14. Hours Generator On-Line 586.5 7,365.9 158,184.9
15. Unit Reserve Shutdown Hours 0.0 0.0 817.5 '
16. Gross nymalEnergy Generated (MWH) I,504,305 18,770,807 372,155,559
17. Gross Electncal Energy Generated (MWH) 524,097, 6,501,227 125,220,099
18. Net Electrical Energy Generated (MWH) 497,652 6,215,053 119,251,389 I
19. Unit Semcc Factor 78.8 84.I 75.I
20. Unit Avadability Factor 78.8 84.1 75.5
21. Unit rapeey Factor (Using MDC Net) 80 0 84.9 67.7
22. Unit Capacity Factor (Using DER Net) 78.7 83.5 66.6
23. Unit Fory:ed Outage Rrc 21.2 4.5 9.2
24. Shutdowns Scheduled over Next 6 Months (Type, Date, and Durabon of Each):
25. If Shut Down At End of Report Period. Estimated Date of SGutup: 01/08/99
26. Units in Test Status (Pnor 10 Commercial Operation): Fwart Achieved INITIAL CRITICALITY 08/06nd INITIAL ELECTRICITY 08/17n4 COMMERCIAL OPERATION 12/19ne l

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. AVERAGE DAILY UNrl'POWERLEVEL l-DOCKET NO: 50-313 l UNIT. ANO Unit 1 DATE: January 14.1999 COMPLETED BY: Steve Caninan TELEPHONE: (501) 858-5560 t MONTH D----" -

s 1998 l

l DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 1................,....... 862 1 2 ... .... .... ..... 862 3...................... 860 t

4............................ 860 t

5. . . . . . . . 860 6............. ... 859 l 7........................... _

860 8............ 860 9............... 860 i i

10.......................... 861 11.......................... 847 l 12...................... 857 ,

13............................ 858 j

14.................... 861 15.......................... 862.,

16.................. 862 17 ..... ...... . . . .

861 18 ... .

861.

19....................... 861 20......................... 862 21.................~......... 862 22e........................ 862 23......................... 862 2 4 .. ....... .......

860 y> .. . 2%

26........................ -36 27......................... -35

-30 28.........................

-34 29...................

-34 30.....................

-32 31...................

AVGS: 669 INSTRUCTION On this farmat, list the average daily unit power level in MWe-Net for each day in reporting month Complete to the nearest whole megawatt.

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UNIT SHUTDOWNS AND POWER RED TCTIONS .' I REPORT FOR DECEMBER 1996 DOCKET NO. 50 313 ,

UrC NAME ANO Unit 1 DATE Jaauary 14,1999 COMPMTFb SY Steve Coffman -

TEMPHONE 501-858-5560 .

METHOD OF IJCENSEE SYSTEM COMPONENT Dt> RATION SHUTTING DOWN EVENT CAUSE & CORRF JTIVE ACTION 1D E9, R&H M8 fHOURS) REASON 8 REACTORS REPORTS Eggg* ggpls PREVENMGREEN_G ,

98-44 981225 F 79.4 A 2 1-9540500 MD SCN An esosee'g large member of fish, onestly threedP2 shed _;;. " f, 3 leches leeg, stuencJ by colder weeer

^ , . --.., obstructed circeleting weeer ,

flew threagh time traveling screens. The hopending less of circulating water flow forced toe emit so be tekee off Nee. i Corrective *%es wiH be reparted moder  !

LER-1-9F ** ' 4a.

98-05 981228 F 87.3 A 2 1-98-40540 MD auf Afkr moein ations were emede se repear time troveMag screens oss ;supswve tiwer perferiesece, the selt was pieced back en f line. Asether sigolficent fhh letrosion eccurred forcing eine eelt to be tekee off line due to degrading circulating water ,

conditsees. Correcthe actises wlR be '

reported under LER-1-98405-08.

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F: Forced Reasse: Method. Eubibit G -lestractless '

S: Scheduled A - Equipenest Fellere (Enplein) 1 - Mesuel for Properaties eJDate j B - Meistemence of Test 2 - Meesel Scrum. Entry Sheets forIJcessee  :

C- RefheNeg 3- Aeteenetic Screen. Event Report (LER) FHe (NUREG4161)

D- Regoletery Restricties 4 - Contie=stine [

E - Operster Training A EJcesse Enemleettee 5 - Leed Reduction j F- Adunimistrettee 9 - Other 5  !

G - Operstiseml Error Exhibit I- Some Source 1 H - Other (Esplais)

NRC MONTHLY OPERATING REPORT OPERATING

SUMMARY

DECEMBER 1998 UNIT ONE

%e unit began the month opern!.ing at 100% power. At 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br /> on the eleventh, a power reduction to 85% was con ment;ed for the monthly turbine governor valve testing. Following the completion of the monthly Woine governor valve test, the unit was returned to 100% power at 0102 hours0.00118 days <br />0.0283 hours <br />1.686508e-4 weeks <br />3.8811e-5 months <br /> the following day. At 0851 hours0.00985 days <br />0.236 hours <br />0.00141 weeks <br />3.238055e-4 months <br /> on the twenty-fifth, the unit was manually taken off line when an unusually large nu.'ber of fish, threadfin shad approximately 3 inches long, stunned by the colder water 'emperature:, (A structed circulating water flow through the traveling screens.

After removing the uh from the in;2ke structure and making repairs and minor modifications to the traveling screens, the reactor was taken critical at 2230 hours0.0258 days <br />0.619 hours <br />0.00369 weeks <br />8.48515e-4 months <br /> on the twenty-seventh and the turbine was placed on line at 0716 hours0.00829 days <br />0.199 hours <br />0.00118 weeks <br />2.72438e-4 months <br /> the next day. At 0842 hours0.00975 days <br />0.234 hours <br />0.00139 weeks <br />3.20381e-4 months <br /> on the twenty-eighth, the unit was manually taken offline from 12% power when another major fish intrusion obstructed circulating water flow into the intake structure, causing damage to the traveling screens. The unit was shutdown for the remainder of the month with repair and improvement efforts in progress.

There were no challenges to the primary system code safeties nor automatic actuations of the electromatic relie f valve during this reporting period.

I Arkansas Nuclear One Unit 2 Monthly Operating Report )

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OPERATING DATA REPORT DOCKET NO: 50-368 UNIT: ANO Unit 2 DATE: January 14,1999 COMPLETED BY: Steve Cofhnan TELEPHONE: (50l) 858-5560 i' OPERATING STATUS i

1. Unit Name. Arkansas Nuclear One-Unit 2 '
2. Reporttag Period. Decemoer 1-31
3. Licensed DermalPower(MWt): 2,815 ,
4. N==T *I Rating Giross MWe): 942.57  !
5. Design ElectncalRating (Not MWe): 8%

6.- Marimn= Dependable Capacity (Gross MWe): 897 .

7. Maximum napand hia Capacity (Not MWe): 858 l
8. If Changes Occur in Capacity Ratings (Iterns Nurnber 3 Through 7) Since

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Last Report, Give Reasons- ,

9. PowerI.4 vel To Which Resencted. If Any (Net MWe):
10. ReasonsForRestnctions IfAny-(

MONTH YR-TO-DATE CUMULATIVE i

11. Entrs in Reporting Period 744.0 8,760.0 164,520.0 i
12. Nn=har of Hours Reactor Was Critical 744.0 s,009.7 131,587.6 13.

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Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 744.0 7,995.s 129,338.1 L
15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 l
16. Gross nennal Energy Generated (MWH) 1,% 7,050 22,161,334 346,544,784
17. Gross Electncal Energy Generated (MWH) 647,642 7,213,586 114,256,333 '
18. Net Electrical Energy Generated (MWH) 617,341 6,877.275 10s,77s,868  ;
19. Unit Semce Factor 100.0 91.3 78.6  !
20. Unit AvailabilityFactor 100.0 91.3 78.6 21.

22.

Unit Capacity Factor (Using MDC Net)

Unit Oapacity Factor (Using DER Net) 96.7 91.0 91.5 86.1 77.1 72.5

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23. Unit Forced Outage Rate 0.0 2.0 9.1 I
24. Shutdowns Schedu'ad Over Next 6 Months (Type, Date, and Durauon of Each): .

Refbeling outase 2R13 scheduled to commence January 8,1999 with an expected duration of 55

!- days '

25. If Shut Down At End cf Report Penod Estimated Date of Startup:
26. Units in Tat Status (Prior to Ca===cial Operauon): Forecast Actueved INITIAL CRITICALITY 12/05n8 INTTIAL ELECIRICITY 12/2678
COMMERCIAL OPERATION 03/26/80 l

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO: 50 368 UNIT. ANO Unit 2 DA'IE: January 14,1999 COMPLETED BY: Steve Coffman TELEPHONE: (501) 858-5560 MONTH D=- - 2_-:= 1998 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 1............ ... as2 2......................... as1 3.................... 878 4.............. sto 5....................... a77 6.. . . . . . . . . . . . . . . . . . 878 7....... . . . . . . as4 8....... . . . . . . . . . . . as5 9 ... . . . . . . . . . . 885 10 . ... as4 11....................... as5 12 . 384 13 . . . .... . .. and 14....................... 377 15 .. . . . . . . . . . .

369 16 ... . . . .... . . . . . . . . .

857 17 . .. .. .. . . . . . . .

849 18................ 834 19 ..... . . . . . .

830 20....................... s17

21. ..............

a13

22. . . . . . .

79I 23..................._.. 77s ,

24...................... 770 25: . . .

767

26. 759 27......................... 746 28 ...... 737 29 ... .. 729 30..............,.. 722 3 I .. .. . . .. ... . ., 712 AVGS: 830 INSTlW Q lOE On this format, list the average daily unit power 1 vel in MWe-Net for each day in reporting month.

Complete to the nearest whole megawatt.

, UNIT SHUTDOWNS AND POWER REDUCTIONS .'

l REPORT FOR DECEMSER 1998 DOCKET NO. 50-368 UNIT NAME ANO Unit 2 DATE January 14,1999 COMPIETED BY Steve Cofheen -

TE1XPHONE 501-558-5560 METHOD GF IJCENSEE DURATION SHUTTING DOWN EVENT SYSTEM COMPONENT CAUSE A CORRECTIVE ACTION TO Sh DAH M' GIOURS) REASON 2 REACTOR: REPORT # CODE' CODE' PREVENT RECURRENCE meme l

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f 1 2 3 4 F: Forced Reesen: Methed: Exhibit G-Instmetiens l 5: Scheduled A-E ,_ ^ Fallere (Empiele) 1 - Mennel for Pruperation of Data B - Meineseence of Test 2 - Mennel Scream. Entry Sheets for IJeemose C - Refinallag 3 - Ameannetic Scrona. Eveet Report (I2R) File (NUREG-4161)

D- R, _ _ :- ,Restriction 4 - Contimention l E - Operecer Troistag & IJcesse Emannimettee 5 -Imed Reduction F- Adenteistration 9 - Other .5 G-Cr._'__ ' Error Exhibit I- Sense Searce H - Other (Emplain) ,

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NRC MONTHLY OPERATING REPORT  ;

1 OPERATING

SUMMARY

DECEMBER 1998 UNIT TWO l

i The unit began the month operating at 100%. At 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> on the fourteenth, the unit began a l power coastdown due to fuel depletion. The unit ended the month at 81% with the coastdown continuing in preparation for the upcoming 2R13 refueling outage. I There were no challenges to the primary system code safeties nor automatic actuations of the low ;

temperature overpressure protection valves during this reporting period.

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