ML20236R053

Monthly Operating Repts for June 1998 for Ano,Units 1 & 2

ML20236R053
Person / Time
Site:	Arkansas Nuclear
Issue date:	06/30/1998
From:	Whitt M ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20236R047	List: 0CAN079803, Forwards Monthly Operating Repts for June 1998 for Ano,Units 1 & 2 & Revised Monthly Operating Rept for May 1998 for ANO, Unit 2.Correction to Page Is Italicized & Included as Attachment 1 to Rept ML20236R053 ML20236R078
References
NUDOCS 9807210215
Download: ML20236R053 (11)

Text

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,' OPERATING DATA REPORT DOCKET NO: 50-313 DATE: July 15,1998 COMPLETED BY: M. S. Whist TELEPHONE: (50l) 858-5560 OPERATING STATUS

1. Unit Name Arkansas Nuclear One-Unit i

2. Reporting Period. June 1-30

3. Licensed Thennel Power (MWt): 2,568

4. Nansplass Rating (Gross MWe): 903

5. Design Electrical Rating (Not MWe): 850

6. Maxi- W Capacsty (Gross MWe): 883

7. Maxianen W Capacity (Net MWe): 836

8. If Cheapes Occur la Capacity Raungs (Items Number 3 iluough 7) Simoe Last Report, Give Reasons'

9. Power Level To Which Restnoted. If Any (Not MWe):

10. ReasonsForRestncuens if Any:

MONTH YR-10-DATE CUMULATIVE

11. Hows in Reporting Paried 720.0 4,343.0 206.274.0

12. Number of Hours Reactor Was Critical 720.0 3,157.0 156,412.6

13. Reactor Reserve Shutdown Hours 0.0 0.0 5.044.0

14. ' Hours Generator On-Line 720.0 3,106.4 153,925.4

15. Unit Reserve Shutdown Hour 0.0 0.0 817.5

16. Groes %ennalEnergy Generated (MWH) 1.847,723 7,843.761 361.228.513

17. Gross Electncal Energy Generased (MWH) 635,980 2,724,700 121,443,572

18. Not Electncal Energy Generated (MWH) 609,590 2,599,618 115.635,954

19. Unit Service Factor 100.0 71.5 74.6

. 20. Unit Avadabahty Factor 100.0 71.5 75.0

21. Unit Capacity Factor (UsingMDC Net) 101.3 71.6 67.I

22. Unit Capacity Facter(Using DER Not) 99.6 70.4 66.0 23,- Unit Forced Outage Rate 0.0 5.6 9.3

24. Shutdowns 61=adad Over Next 6 Months (Type. Date, and Duration of Each):

25. If Shut Down At End of Report Penod Estimated Date of Startup.

26. Units in Test Status (Prior to f%====cial Operation): Forecast Actueved INITIAL CRITICALITY 08/06n4 INITIAL ELECI'RICITY 08/17n4 COMMERCIAL OPERATION 12/1954 l

, 9007210215 990715 PDR ADOCK 05000313 R pg

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s AVERAGE DAILY UNIT POWER LEVEL DOCKET NO: 50-313 UNIT: One l DATE: July 15.1998 l

' I OOMPETED BY: M. S. Whitt TELEPHONE: (50I) 858-5560 1

MON'IH lmpe 1996 DAY AVERAGE DAILY POWER EVEL j (MWo-Net) 1......................... 848 2.............................. 849 3............................ 847 4............................, 846 5.............................. 840 6......................... 849 7.............................. 851 8........................... 850 9........................ 850 10............................. 851 11........................... 852 12..................... 852 13........................ 849 14............................ 848 15...................... - 846 16.......................... 846 17........................... 848 18........................... 848 19............................. 849 20........................... 847 21-....................... 846 2............................

846 23............................ 845 24......................... 544

. 25 ...... ............

843 26.......................... 842 27......................... 842 843 28.........................

842 29........................

842 30...........................

AVGS: 847 INSTRUCTION L On this format, 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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i NRC MONTHLY OPERATING REPORT )

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OPERATING

SUMMARY

JUNE 1998 UNIT ONE I

The unit began the month ofJune operating at 100% power.

At 2104 hours0.0244 days <br />0.584 hours <br />0.00348 weeks <br />8.00572e-4 months <br /> on the fiAh, a power r@ian to 85% was emW for the monthly turbine governor valve test. Following the completion of the test, the unit was returned to 100% power at 2317 hours0.0268 days <br />0.644 hours <br />0.00383 weeks <br />8.816185e-4 months <br /> that same day. At 1027 hours0.0119 days <br />0.285 hours <br />0.0017 weeks <br />3.907735e-4 months <br /> on the sixth, a power reduction to 94% was commenced due to reduced condenser vacuum. AAer condenser vacuum was returned to normal -

- levels, the unit was returned to 100% power at 1215 hours0.0141 days <br />0.338 hours <br />0.00201 weeks <br />4.623075e-4 months <br /> that same day. A power reduction to 95% was commenced at 0707 hours0.00818 days <br />0.196 hours <br />0.00117 weeks <br />2.690135e-4 months <br /> on the eighth for a circulating water and senke bay outage.

At 0748 hours0.00866 days <br />0.208 hours <br />0.00124 weeks <br />2.84614e-4 months <br /> that same day, power was returned to 100% power while the bay outage continued until 0511 hours0.00591 days <br />0.142 hours <br />8.449074e-4 weeks <br />1.944355e-4 months <br /> on the eleventh. A second power reduction for a bay outage was commenced at 0710 hours0.00822 days <br />0.197 hours <br />0.00117 weeks <br />2.70155e-4 months <br /> on the SAcenth At 0900 hours0.0104 days <br />0.25 hours <br />0.00149 weeks <br />3.4245e-4 months <br /> that same day, power was returned to 100% while the bay outage continued until 1657 hours0.0192 days <br />0.46 hours <br />0.00274 weeks <br />6.304885e-4 months <br /> on the sixteenth. . The unit operated the remainder of the month at full power.

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

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Reportang Period: June 1998 REFUELING INFORMATION

1. Name of facabty. Ar&==== N=ela= One - Unit 1

2. Scheduled date for next refueling shutdown September 10.1999

3. Scheduled date for restart follomas refueling: October 14.1999

4. Will refuchng or resumption of operation thereaAer require a *d+=1 specification change or other heense amendinent? If answer is yes, what, in general, will there be? If answer is no, has the reload fuel design and core configuraten been reviewed by your Plant Safety Review Committee to deternune whether any unreviewed safety questions are associated with the core reload (Ref.10CFR Section 50.59)?

No.No

5. Scheduled date(s) for submitting proposed licensing action and supporting information N/A

6. Important hcensing consideratens associated with refueling, e.g., new or different fuel design or supplier, unreviewed design or j for =e analysis methods, significant changes in fuel doJyi, new operating procedures.

None planned

7. The number of fuel assemblies (a) in the core, (b) in the spent fuel storage pool and (c) dry cask storage-a).122 b)111 c) (R

8. 'Ihe present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requested or is planned, in number of fuel assemblies:

present26.1 increase size by 9

9. 'Ihe projected date of the last refueling that can be discharged to the spcut fuel pool assuming the presentlicensed capacity:

l Full core off land e===hility is no L==r avai1=hla natil a sufEci=t an==t of m-t fuel can be niaced in on-site dry storane 3 i

Arkansas Nuclear One Unit 2 Monthly Operating Report l

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," OPERATING DATA REPORT DOCKET NO: 50-368 DATE: July 15,1998 COMPLETED BY: M. S. Whin TELEPHONE: 203 :58-5560 OPERATING STATUS

1. - Unit Name: Arkansas Nuclear One-Unit 2

2. Reponing Period June 1-30

3. Liosased Thennel Pouer(MWt): 2.815

4. Nameplate Rating (Gross MWe): 942.57

5. Design Electrical Rating (Not MWe): 896

6. Mari===== Dependable Capacity (Gross MWe): 897

7. Maximum thr=adahia Capacity (Not MWe): 858

8. If Changes Occur in Capacny Ratises (Items Number 3 *through 7) Since Last Repon, Give Reasons

9. Power 1.4 vel To Whach Restrused. If Amy (Not MWe):

10. Ransons For Restnctions. If Any:

MONTH YR-TO-DA'!E CUMULATIVE

11. Hoursin Raponing Pened 720.0 4,343.0 _

160,103.0

12. Number of Hours Reactor Was Critical 720.0 3,592.7 127,170.6

13. Reactor Reserve Shuklowa Hours 0.0 0.0 0.0

14. Hours Generator On-Line 720.0 3,57s.s 124,921.1

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thennal Energy Generated (MWH) 2.011.229 9,859,551 334.243,001

17. Gross Elecencal Energy Generated (MWH) 650,03s 3,205,040 110,247,787

18. Net Electrical Energy Generated (MWH) 620,334 3,050,796 104,952,389

19. Unit Service Factor 100.0 s2.4 78.0

20. Unit AvailahilityFactor 100.0 s2.4 7s.0

21. Unit Capacity Factor (Using MDC Net) 100.4 s 1.9 76.4

22. Unit Capacity Factor (Using DER Net)_ 94.5 77.0 71.9

23. Unit Forced Outage Rate 0.0 4.4 9.4

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

I

25. If Shut Down At End of Report Penod. Estimated Date of Stanup-

26. Units in Test Status (Prior to Comunercial OperrJoa): Forecast Actueved l

INITIAL CRITICALITY 12m5ns INITIAL ELECTRICITY 12/26n8 COMMERCIAL OPERATION 03/26/80

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i AVERAGE DAILY UNIT POWER LEVEL DOCKET NO: 50-368 UNIT: Two DATE: July 15.1998 l

COMPLETED BY: M. S. Whitt l

l "IELEPHONE: (50I) 858-5 % 0 l

MON 1li haglig DAY AVERAGE DAILY POWER LEVEL (MWe-Ne0 l

1............................ 369 2........................ 866 3............................ 867 4.......................... 867 5............................. 877 6......................... 879

'7............................ 651 8......................... 873 9...................... 869 10........................... 869 i 11............................ 370 12......................... 867 13........................... 866 14............................ 869 j 15.......................... 875 16........................... 875 17....................... 870 i 18......................... 867 I 19........................... 868 20........................... 866 21............................. 868 22............................ 863 23........................ 868 24........................... 868 25........................... 866 26........................... 366 27......................... 867 28...................... 866 865 i 29.............................

866 30....................... .!

i AVGS: 362 INSTRUCTION ,

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. Reporting Period: June 1998 REFUELING INFORMATION

1. Name of facilsy: Arkansas Nuclear One - Unit 2

2. Scheduled date for next refueling shutdown: T--- v 8.1999

3. Scheduled date for restart following refueling: February 22.1999

4. Will refuchng or resumptum of operaten therenAer require a technical specification change or other hoense amendment? If answer is yes, what, in general, will there be? If answer is no, has the reload fuel design and core configuration been remewed by your Plant Safety Review Committee to detennine whether any unreviewed safety questions are == wined with the core reload (Ref.10CFR Section 50.59)?

No.No

5. Scheduled date(s) for submitting proposed licesising actaan and wdig information N/A

6. Important licensing considerations ===aci=*M with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, new operating procedures.

None planned

7. The number of fuel assemblies (a) in the core (b) in the spent fuel storage pool and (c) dry cask storage:

a) 122 b)242 c) 41

8. The present hcensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been i@ or is planned, in number of fuel assemblies:

present211 increase size by 9

9. The projected date of the last refueling that can be discharged to the spent fuel pool assummg the Presentlicensed capacity:

Fud core off-load capability is no taaaar av a hk navit a nuW am--* of & fuel can be al-w in c- 6 dry storane or =aa-e fuer nant n en .: i.. .n.. fuel -y--:=- = are recovered l

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,' .' NRC MONTIILY OPERATING REPORT l OPERATING

SUMMARY

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JUNE 1998 UNIT TWO The unit began the month of June operating at 100% power.

At 0130 hours0.0015 days <br />0.0361 hours <br />2.149471e-4 weeks <br />4.9465e-5 months <br /> on the seventh, a power reduction to 70% was commenced due to a condenser tube leak. Following repairs, the unit was returned to full power at 0138 hours0.0016 days <br />0.0383 hours <br />2.281746e-4 weeks <br />5.2509e-5 months <br /> on the eighth.

The unit operated the remainder of the month at full power. I f

There were no challenges to the primary system code safeties nor automatic actuations of the low temperature overpressure protection valves during the reporting period.

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