ML20141F432

Monthly Operating Repts for Apr 1997 for Sequoyah Nuclear Plant Units 1 & 2

ML20141F432
Person / Time
Site:	Sequoyah
Issue date:	04/30/1997
From:	Hollomon T, Shell R TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9705210317
Download: ML20141F432 (10)

Text

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l Tennessee Valley Authortty. Post Offce Box 2000. SoddtDaisy. Tennessee 37379-2000 I

I May 14,1997 l U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 Gentlemen:

In the Matter of ) Docket Nos. 50-327 Tennessee Valley. Authority ) 50-328 SEQUOYAH NUCLEAR PLANT (SQN)- APRIL 1997 MONTHLY OPERATING REPORT Enclosed is the April 1997 Monthly Operating Report as required by SQN Technical Specification 6.9.1.10.

If you have any questions concerning this matter, please telephone J. W. Proflitt at (423) 843-6651.

Sincerel

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n g R. H. Shell

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Site Licensing and Industry Affairs Manager I Enclosure cc: See page 2 /j [ {t 9705210317 970430 PDR ADOCK 05000327 R PDR i

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) U.S.' Nuclear Regulatory Commission Page 2 May 14,1997 .

9 cc (Enclosure):

Mr. R. W. Hernan, Project Manager

sU.S. Nuclear Regulatory Commission  !

One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852-2739 INPO Records Center Institute of Nuclear Power Operations 700 Galleria Parkway  ;

Atlanta, Georgia 30339-5947

.f

. Ms. Barbara Lewis, Assistant Editor, Database  ;

McGraw-Hill, Inc. _

~ 1200 G Street, NW, Suite 1100  ;

i : Washington, D.C. 20005

. Mr. James Lang, Manager Advanced Reactor Department  !

Electric Power Research Institute {

3340 Ililhiew Avenue Palo Alto, California 94304 ,

NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road ,

Soddy-Daisy, Tennessee 37379-3624  :

Regional Administrator U.S. Nuclear Regulatory Commission Region II 61 Forsythe St., SW, Suite 23T85 L Atlanta, Georgia 30323-3415 l

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l TENNESSEE VALLEY AUTIIORITY SEQUOYAll NUCLEAR PLANT MONTIILY OPERATING REPORT TO TIIE NUCLEAR REGULATORY COMMISSION APRIL 1997 UNIT 1 DOCKET NUMBER 50-327 LICENSE NUMBER DPR-77 UNIT 2 DOCKET NUMBER 50-328 LICENSE NUMBER DPR-79

OPERATIONAL

SUMMARY

APRIL 1997 UNIT 1 Unit 1 Cycle 8 refueling outage continued throughout the month of April. Unit I was in Mode 6 at the

- beginning of the month with fuel being unloaded from the core. Unit I entered "no mode" on April 1 at 1108 -

EST when core ofiload was completed. Unit 1 entered Mode 6 on April 18 at 0133 EDT and entered Mode 5 on April 25 at 1600 EDT, Unit I remained in Mode 5 at the end of April.

UNIT 2 Unit 2 generated 848,190 megawatt hours (MWh) (gross) electrical power during April with a capacity factor of 102.1 percent.;There were no outages or pcwer reductions of greater than 20 percent to report during

-April.

SUMMARY

OF POWER-OPERATED RELIEF VALVES (PORVs) AND SAFETY VALVES CHALLENGES No PORVs or safety valves were challenged in . April.

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AVERAGE DAILY UNIT POWER LEVEL -

DOCKET NO. 50-327 UNIT NO. One DATE: 05-05-97 ,-

COMPLETED BY: T. J. Hollomon TELEPHONE: (423) 843-7528 ,

. MONTH: APRIL 1997 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL  ;

DAY- (MWe-Net) -DAY (MWe-Net) i i

1' ,,

-5 17 -4 i 2 -1 18 -l  !

3 -1 19 -4 4 -1 20 -l [

5 -4 21 -4 "6 -6 22 -l 7 -6 23 -4 8 ,

-6 24 -l 9 -1 25 -4 4 10 -1 26 -4 6

11 -1 27 -4 t

12 28 -4 ,

13' -4 29 -4 y"

14 -4 30 -4 i

'15- -1 31 NA i

16 4 I

i

l a

J

- AVERAGE DAILY UNIT POWER LEVEL >

DOCKET NO, 50-328 UNIT NO. Two _

DATE: 05-05-97 COMPLETED BY:' T. J. Hollomon TELEPHONE: (423) 843-7528

. MONTH: APRIL 1997 ,

i AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY. (MWe-Net) DAY (MWe-Net)  ;

1 1143 17 1143' 2 1142 18 1141 3 1142 19 1144 _

i 4 1142 20 1142

.5 1140 21 1141

)

6 1141 22 1140 7 1143 23 1141 j 8- 1143 24 1141 9 1140 25 1140 10 1141 26 1129 11 1140 27 1143  ;

12, 1140 28 1141 13 1143 29 1141 14 1142 30 1140 15 1141 31 NA j 16 1141 l

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s OPERATING DATA REPORT DOCKET NO. 60 M7 DATE 05/05/97 r COMPLETED BY T.1 Hollomon TELEPHONE (423) 843-7528 DPERATING STATUS

1. Unit Name: Sequovah Unit One

2. Reporting Period: April 1997

3. Licensed Thermal Power (MWt): 3411.0

4. Nameplate Rating (Gross (MWe): 1220.6

5. Design Electrical Rating (Net MWe): 1148.0

6. Maximum Dependable Capacity (Gross MWe): 1155.0

7. Maximum Dependable Capacity (Net MWe): 1117.0

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

9. Power Level to Which Restricted, If Any (Net MWe): N/A

10. Reasons for Restrictions, If Any: N/A This Month Yr-to-Date Cumulative

11. Ilours in Reporting Period 719 2,879 138,792

12. Number ofHours Reactor Was Critical 0.0 1,920.9 79,244

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 0.0 1,920.9 77,492.5

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWh) 0.0 6,242,349.6 252,597,337

17. Gross Electrical Energy Generated (MWh) 0 2,178,003 85,970,143

18. Net Electrical Energy Generated (MWh) -2,044 2,100,415 82,478,053 l

19. Unit Service Factor 0.0 66.7 55.8 l I

20, Unit Availability Factor 00 66.7 55.8

21. Unit Capacity Factor (Using MDC Net) -0.3 65.3 53.2

22. Unit Capacity Factor (Using DER Net) -0.2 63.6 51.8

23. Unit Forced Outage Rate 0.0 0.0 31.5 l

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:_ May 11.1997

- l OPERATING DATA REPORT 1

DOCKET NO. 50-328  ;

! DATE .05/05/97 '

COMPLETED BY T. J. Hollomon i

- TELEPHONE (423) 843-7528 j 1

' OPERATING STATUS  :

~

1., Unit Name: Seouovah Unit Two

2. ' Reporting Period: Anril 1997  !

3.l Licensed Thermal Power (MWt): 3411.0 l 4.INameplate Rating (Gross (MWe): 1220.6 i

5. Design Electrical Rating (Net MWe): 1148.0  ;

• 1155.0 l

6. Maximum Dependable Capacity (Gross MWe):

l 7.; Maximum Dependable _ Capacity (Net MWe): 1117.0 j

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

I 9.; Power Level to Which Restricted, If Any (Net MWe): N/A j 10. Reasons for Restrictions, If Any: N/A f i

' This Month Yr-to-Date Cumulelive

11. Hours in Reporting Period 719 2.879 130,752-  !

12. Number of Hours Reactor Was Critical 719.0 2,879.0 82,481  ;

13. Reactor Reserve Shutdown Hours 0 0 0 j

14. . Hours Generator On-Line 719.0 2,879.0 80,551.5 i

, 15. Unit Reserve Shutdown Hours 0 0 0 l

16. Gross Thermal Energy Generated (MWh) 2,449,341.5 9,769,031.9 257,508,686 j 17, . Gross Electrical Energy Generated (MWh) 848,190 3,382,800 87,581,857- l

18. Net Electrical Energy Generated (MWh) 819,266 3,272,228 83,951,947  !

19.- Unit Service Factor 100.0 100.0 61.6 l

20. Unit Availability Factor innn 100.0 61.6

21. Unit Capacity Factor (Using MDC Net) 102 0 101.8 57.5 i 22, Unit Capacity Factor (Using DER Net) 99.3 99.0 55.9  !

L 23. _ Unit Forced Outage Rate 0.0 0.0 30.5 .

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

- Unit 2 Cycle 8 Refueling Outage is scheduled to begin on October 17,1997 with a duration of 50 days.

- 25. If Shut Down At End of Report Period, Estimated Date of Startup: *A l

DOCKET NO : M-327 UNIT NAME: One '

UhTT SHUIDOWNS AND POWER REDUCTIONS DATE: 05m3/97 .

COMPLETED BY: T. J Hollomon -

REPORT MONTit APRIL 1997 TELEPHONE: (423) 843-7528 2

No. Date Type' Outage Reason Method of Licensee System Component Cause and Correctin Action to Prennt d

Duration Shutting Event Report Code Code' Recurrence

, (Hours) Domi No.

Reactor' I 970401 S 719.0 C 4 Unit I has entered C)tle 8 refueling outage on March 22 at 0054 EST. Unit I uns in Mode 5 at the end of April.

2

'F:- Forced Reason: ' Method

• Exhibit G-Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry sheets for Licensce C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuation of Existing Outage (NUREG-1022)

E-Operator Training and License Exam 5-Reduction F-Administrative 9-Other ' Exhibit I- Same Source G-Operational Error (Explain)

H-Other (Explain)

. , . . .- . . . . . _c 3-S_'

DOCKET NO.: 50-328 '

UNITNAME: Tao

- UhTT SHUIDOWNS AND POWER REDUCrlONS - DATE " 05Alim '

COMPLETED BY: T.1 Hrdiaman -

REPORT MONni: APRIL 1997 TFTFPHONE: (423) 843-7528 -

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No. - -Dase : Type'- Ousage Reason Method of Ilcensee S3stem Component ramer and Cam 64 Action to Prevent .i Duration Shutting Event Code

• Code' Recurrence (Hours) Down.. Report No.

Reactor' Here were no outages or power reductions of grenser than 20 percent to report during April -i i-i

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.2

'F: Forced Reason. ' Method Mibit G-Instructions  ;

5: Scheduled A Fmdpmen* Failure (Explain) 1-Manual for Ny sus of Data' B-Maintenance or Test 2-Manual Scram Entry sheets for Licensee C-Refueling 3-Automatic Scram Ewnt Report (LER) File D-Regulatory Restnction 4-Continuation of Existing Outage (NUREG-1022)

E-Operator Training and License Exam 5-Reduction

, F-Administrative 9-Other hibit I- Same Source G-Operational Error (Eglain) l

. H Other(Explain) ,

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