0CAN059705, Monthly Operating Repts for Apr 1997 for Arkansas Nuclear One Units 1 & 2

Monthly Operating Repts for Apr 1997 for Arkansas Nuclear One Units 1 & 2

ML20141E807
Person / Time
Site:	Arkansas Nuclear
Issue date:	04/30/1997
From:	Mims D, Whitt M ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
0CAN059705, CAN59705, NUDOCS 9705210115
Download: ML20141E807 (14)

Text

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, 'LJ Entergy operation 3,Inc.

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1448 SA 333 AusscMe. AR 72801 Tel 501858-5000 May 15,1997 OCAN059705 U. S. Nuclear Regulatory Commission Document Control Desk

' Mail Station OP1-17 Washington, DC 20555

Subject:

Arkansas Nuclear One- Units ; ud 2 Docket Ncs. 50-313 and 50-368 License Not DPR-51 and NPF-6 Monthly Operating Report Gentlemen:

Arkansas Nuclear One (ANO), Units 1 and 2 Technical Specifications 6.12.2.3 and 6.9.1.6, respectively, require the submittal of a Monthly Operating Report. The purpose of this letter is to complete the reporting requirement for April 1997, Very truly yours, C'7?[4

. Dwight C. Mims l Director, Nuclear Safety DCM/eam Attachment I

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9705210115 970430 1' PDR ADOCK 05000313 c

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i U. S. NRC l

. May 15,'1997 -

, . OCAN059705 Page 2

' cc: - Mr. Ellis .W. Merschoff  ;

_ Regional Administrator l

U. S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064  ;

NRC Senior Resident inspector Arkansas Nuclear One P.O. Box 310 London, AR 72847 .

Mr. George Ktiman NRR Project Manager Region IV/ANO-1 & 2 U. S. Nuclear Regulatory Commission

' NRR Mail Stop 13-H-3  ;

One White Flint North 11555 Rockville Pike Rockville, MD 20852 i

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J Arkansas Nuclear One Unit 1 ,,

Monthly Operating Report i

i OPERATING DATA REPORT DOCKET NO: 50-313 DATE: May 15,1997 COMPLETED BY: M. S. Whitt TELEPHONE: (501) 858-5560 OPERATING STATUS

1. Unit Name: Arkansas Nuclear One - Unit 1

2. Reporting Period: Apr.1-30

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

4. Nameplate Rating (Gioss MWe): 903

5. Design Electrical Rating (Net MWe): 850

6. Maximum Dependable Capacity (Gross MWe): 883

7. Maximum Dependable Capacity (Net MWe): 836

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Sir.ee Last Report, Give Reasons:

9. Power Level To Which Restricted. If Any (Net MWe):

10. Reasons For Restrictions. If Any:

MONTH YR-TO-DATE CUMULATIVE

11. Hours in Reporting Period 719.0 2,879.0 196,050.0

12. Number of Hours Reactor Was Critical 719.0 2.879.0 147,374.6_

13. Reactor Reserve Shutdown liours 0.0 0.0 5,044.0

14. IIours Generator On-Line 719.0 2.879.0 144,974.3

15. Unit Reserve Shutdown flours 0.0 0.0 817.5

16. Gross Thermal Energy Generated (MWII) 1,840,950 7,031,314 338,559,104

17. Gross Electrical Energy Generated (MWII) 641,464 2,453,024 113,602,400

18. Net Electrical Energy Generated (MWII) 615,645 2,349,984 108,135,216

19. Unit Service Factor 100.0 100.0 73.9

20. Unit Availability Factor 100.0 100.0 74.4

21. Unit Capacity Factor (Using MDC Net) 102.4 97.6, 66.0

22. Unit Capacity Factor (Using DER Net) 100.7 96.0 64.9

23. Unit Forced Outage Rate 0.0 0.0 9.7

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

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

26. Units in Test Status (Prior to Commercial Operation): Forecast Achieved INITIAL CRITICALITY 08/06n4 INITIAL ELECTRICITY 08/17n4 COMMERCIAL OPERATION 12/19n4 l

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1 AVERAGE DAILY UNIT POWER LEVEL i

DOCKETNO: 50-313 UNIT: One DATE: May 15,1997 COMPLETED BY: M. S. Whitt TFIEPHONE: (501) 858-5560 MONTH April.1997 4 .

4 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 1.......................... 859

2...................... 858 3....................... 857 4 . .. . . . . 857 5...................... 858

~6..................... 858 7,................... 856 8....................... 856 9....................... 856 10................,, 856 11......................... 856 12...................... 860 13... . ... ....... ., 859 14 . ............. 859 15 ..... . . . . . . . . . . . . .

858 16.................... 858 17 .. . . . . . . . . . . .

859 18................. 852 19...................... 853 20................... 856 21.................... 858 22.................... 857 23................... 857 24................... 857 I 25 ..............

855

. 26..................... 855

.27................. 856

- 2 8 ..... ..

858 29.....,.............. 845

-30.,................ 850 ,.

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' AVGS: 856 INSTRUCTION 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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UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT FOR APRIL 1997 -

DOCKET NO. 50-313 UNIT NAME ANO Unit 1 DATE May 15,1997 -

COMPLETED BY M. S. Wititt TELEPHONE 501-858-5560 METHOD OF LICENSEE DURATION SHUTTING DOWN EVENT SYSTEM COMPONENT CAUSE & CORRECTIVE ACTION TO M DATE TYPE' (HOURS) REASON 2 REACTOR 8 REPORT # CODE' CODE 5 PREVENT RECURRENCE ,

none 1 2 3 4 F: Forced Reason: Method: Exhibit G -Instructions  ;

S: Scheduled A - Equipment Failure (Explain) 1 - Manual for Preparation of Data B - Maintenance of Test 2 - Manual Scram. Entry Sheets forIJcensee C- Refueling 3 - Automatic Scram. Ewnt Report (LER) File (NUREC-0161)

D- Regulatory Restriction 4 - Continuation -

E - Operator Training & IJcense Examination 5 -Imd Reduction F- Administration 9 - Other 5 G - Operational Ermr Exhibit I- Sanne Source H - Other (Esplain)

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. s NRC MONTIILY OPERATING REPORT OPERATING

SUMMARY

APRIL 1997 UNIT ONE The month began with the unit operating at 100% power.

. At 2235 hours0.0259 days <br />0.621 hours <br />0.0037 weeks <br />8.504175e-4 months <br /> on the eighteenth, a power reduction to 85% was commenced to perform the monthly main turbine valve testing. Following completion of the test, power was returned to 100% at 0120 hours0.00139 days <br />0.0333 hours <br />1.984127e-4 weeks <br />4.566e-5 months <br /> on the nineteenth. The unit operated the remainder of the month at 100%

power.

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

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1 Reporting Period: April 1997 j l

REFUELING INFORMATION

1. Name of facility: Arkansas Nuclear One - Unit 1

2. - Scheduled date for next refueling shutdown: March 20.1998 l

3. Scheduled date for restart following refueling: May 9.1998

4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? If answer is yes, what, in general, will there be? If answer is no, has the reload fuel design and core configuration been reviewed by your Plant Safety Review Committee to determine 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. Impo tant licensing considerations associated with refueling, e.g., new or different fuel design or i supplier, unreviewed design or performance analysis methods, significant changes in fuel design, new operating procedures.

None olanned

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)258 c)41!

8. The 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

present 268 increase size by 0

9. The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity  ;

Full core off-load capability no lonner available until a sufficient amount of spent fuel can be placed i in on-site dry storage. i l

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Arkansas Nuclear One Unit 2 Monthly Operating Report

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OPERATING DATA REPORT DOCKET NO: 50-368 DATE: hv 15,1997 COMPLETED BY: M. S. Whitt TELEPliONE: (501) 853 5560 OPERATING STATUS *

1. Unit Name: Arkansas Nuclear One - Unit 2

2. Reporting Period: Apr.1-30

3. Licensed Thermal Power (MWt): 2,815

4. Nameplate Rating (Gross MWe): 942.57

5. Design Electrical Rating (Net MWe): 912

6. Maximum Dependable Capacity (Gross MWe): 897

7. Maximum Dependable Capacity (Net MWe): 858

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

9. Power Level To Which Restricted. If Any (Net MWe): 884

10. Reasons For Restrictions. If Any: Selfimposed power restriction to ~ 97.0% power based on__

T-hot limitations in combination with steam generator plugging and fouling levels MONTH YR-TO-DATE CUMULATIVE I 1. Hours in Reporting Period 719.0 2,879.0 149,879.0

12. Number ofIlmars Reactor Was Critical 719.0 2,879.0 118,413.3

13. Reactor Reserve Shutdown llours 0.0 0.0 0.0

14. Ilours Generator On-Line 719.0 2,879.0 116,206.9

15. Unit Reserve Shutdownllours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWII) 1,967,205 7,813,086 310,148,503

17. Gross Electrical Energy Generated (MWH) 664,896 2,643,894 102,395,139

18. Net Electrical Energy Generated (MWil) 635,575 2,526,033 97,470,597

19. Unit Service Factor 100.0 100.0 77.5

20. Unit Availability Factor 100.0 100.0 77.5

21. Unit Capacity Factor (Using MDC Net) 103.0 _

102.3 75.8

22. Unit Capacity Factor (Using DER Net) 96.9 96.2 71.3 i

23. Unit Forced Outage Rate 0.0 0.0 9.9  ;

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

Refueling Outage 2R12 scheduled to begin May 9,1997, with an expected duration of 45 days i

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

26. Units in Test Status (Prior to Commercial Operation): Forecast Achieved INITIAL CRITICALITY 12/05n8 INITIAL ELECTRICITY 12/26n8 COMMERCIAL OPERATION 03/26/80 l

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e AVERAGE DAILY UNIT POWER LEVEL DOCKET NO: 50-368 UNIT: Two .

DATE: May 15,1997 COMPLETED BY: M. S. Whitt TEIFPHONE: (501) 858-5560 -

. MONTH 'Aoril 1997 DAY. AVERAGE DAILY POWER LEVEL (MWe-Net) 1.............. 884 2....................... 883 ,

3...................... 883 4........................ 882 5....................... 881- ,

6.................... 884 7 .... . . . . . . . . . . . . . . . 885 [

s........................... 886 9................... 886

' 10 . .. . ... . . . .. 885

'11...................... 884  ;

j 12...................... 887 I3................... 887

. 14.................. 885 ,

15.................. 885 ,

t 16....................... 885 885 ':

17........................

18...................... 884

' 19 . . . . . . . .. . ... . . . . .

882 1

20....................... 881 21..................... 881 22................... 884

. 23................... 885 24................ ..

885 2 5 .. .. . .. . .. . . . 883 26..........-........... 884 i 4

s7.....................

6 884 4

28. ....... ..... ...

884  !

29........................ 883 '

3 0 .. .... . .. .. . . . . . . . . . .

880 AVGS: 884 i

. INSTRUCTION t

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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UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT FOR APRIL 1997 DOCKET NO. 50-368 UNIT NAME ANO Unit 2

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DA';E May 15,1997 COMPLETED BY M. S. %1titt TELE

• HONE 501-358-5560 METHOD OF LICENSEE DURATION SHUTTING DOWN EVENT SYSTEM COMPONENT CAUSE & CORRECTIVE ACTION TO M DATE TYPE' (IIOURS) REASON 2 REACTORS REPORT # CODE

• CODES PREVENT RECURRENCE none 1

l 1 2 3 4 F: Forced Reason: Method: Exhibit G -Instructions S: Scheduled A - Equipment Failure (Esplain) 1 - Manual for Preparation of Data l B - Maintenance of Test 2 - Manual Scram. Entry Sheets for Ucensee

! C- Refueling 3 - Automatic Scrani. Event Report (LER) File (NUREG-4161)

D- Regulatory Restriction 1 - Continuation ,

E - Operator Training & Ucense Examination 5 -Imad Reduction

! F- Administration 9 - Other 5 l

G - Operational Error Exhibit I- Sanne Source H - Other (Explais) l ___ - _ _ - _ - - _ _ _ - _ - _ - _ _ _ .

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NRC MONTIILY OPERATING REPORT OPERATING

SUMMARY

APRIL 1997 UNIT TWO The unit operated the entire month of April at 97% power.

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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Reporting Period: April 1997 l

- REFUELING INFORMATION ]

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

2. Scheduled date for next refueling shutdown: May 9.1997 I

3. Scheduled date for restart following refueling: June 25.1997  !

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4. Will refueling or resumption of operation thereaRer require a technical specification change or other i license maaAment? If answer is yes, what, in general, will there be? If answer is no, has the reload l fuel design and core configuration been reviewed by your Plant Safety Review Committee to determme whether any unreviewed safety questions are associated with the core reload (Ref.10CFR Section 50.59)?

Yes. proposed amendment to allow the use of Cycle Independent Shape Annealing Matrix (CISAM_),

5. Scheduled date(s) for submitting proposed licensing action and supporting information:

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CISAM submitted October 1996 (2CAN109603).

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6. Important licensing considerations associated 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.

Fuel enrichment channe approved in TS amendment 178 dated January 14.1997.

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

4 stomge, and d) new fuel pit: ,

a) 112 b)s.8Z c) .48 d)!!2

8. The 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:

present 988_ increase size by 0

9. The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

. DATE: May 1997 (Loss of full core off load capability)

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