ML20198J894

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

ML20198J894
Person / Time
Site:	Sequoyah
Issue date:	09/30/1997
From:	Hollomon T, Salas P TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9710220196
Download: ML20198J894 (10)

Text

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IUA wcw ve , uno sw one aw tra sonay o r,y to m mr9 October 10, 1997 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) - SEPTEMBER 1997 MONTHLY OPERATING REPORT Enclosed is the September 1997 Monthly Operating Report as required by SON Technical Specification 6.9.1.10.

If you have any questions concerning this matter, please telephone me at (423) 843-7170 or J. D. Smith at (423) 843-6672.

Si cerely,

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[ ,.q e ro Salas b

Site Licensing and Industry Affairs Manager ,ef.

Enclosure cc: See page 2 9710220196 970930 "

PDR ADOCK 05000327 R PDR i $fhj

U.S.-Nuclear Regulatory Commission P' age 2 October 10, 1997 cc (Enclosure):

Mr. R. W. Hernan, Project Manager U.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 Ms. Barbara Lewis, Assistant Editor, Database McGraw-Hill, Inc.

1200 G Street, NW, Suite 1100 Washington, D.C. 20005 Mr. James Lang, Manager Advanced Reactor Department Electric Power Research Institute 3340 Hillview 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 Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303-3415

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Ia TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT MONTHLY OPERATING REPORT TO THE NUCLEAR REGULATORY COMMISSION SEPTEMBER 1997 UNIT 1 DOCKET NUMBER 50-327 LICENSE NUMBER DPR-77 UNIT 2 DOCKET NUMBER 50-328 LICENSE NUMBER DPR-79

l l1 l OPERATIONAL

SUMMARY

-SEPTEMBER-1997 UNIT 1 Unit 1 generated. 838,333 megawatt hours (MWh) (gross) _ electrical power during September'with a capacity factor of 100.8 percent. Unit 1 was

. operating at-100. percent power-at the end of September.

UNIT 2 Unit'2' generated 694,120' MWh (gross) electrical power.during September-with a capacity factor of 83.5 percent. Unit 2-continued to coast down toEthe Unit 2 Cycle 8 refueling outage. Unit 2 was operating at 75 percent reactor power at the-end of September.

SUMMARY

OF POWER-OPERATED RELIEF VALVES (PORVs) AND SAFETY VALVES CHALLENGES No PORVs or safety valves were challenged in September, r-I i

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50 327 UNIT NO. One DATE: 10 06 97 COMPLETED BY: -T. J. Ilollomon - TELEPilONE: (423) 843 7528 MONTil: SEPTEMBER 1997

- AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY- (MWe Net) DAY (MWe Net)

I 1120 17 1128 2 1120- 18 1128 3- 1119 19 1128

-4 1120 20 1128 5 1124 21 1131 6 1125 22 1129 7 1125 23 1134 8 1126 24 1135 9 1124 25 1135 10- 1124 26 1136 11- '1124- 27 ,

1136 12 1125 28 1134 13 1127 29 1134 14 1126 30 1135 15_ 1126 31 NA

-- 16 -1127

3 1-AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-328 UNIT NO. Two DATE: 10-06-97

- COMPLETED BY: T.1 liollomon ' TELEPilONE: (423) 843-7528 MONTil;_ SEPTEMBER 1997 -

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AVERAGE DAILY POM.'t LEVEL AVERAGE DAILY POWER LEVEL DAY (MWa Net) DAY (MWe-Net) 1 1038 17 920 2- 1034 18 903 3 1022 19 904 4 1014 20 892 5 984 21 892 6 993 27 866 7 989 23 866 8 984 24 863 9 975 25 858 10 971 26 849 11 963 27 849 12 956 28 850 13- 945 29 847 14 -944 30 835 15 -- 929' 31 NA h 924

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OPERATING DATA REPORT DOCKET NO. 50-327 DATE 10/06/97 COMPLETED BY T. J. Hollomon TELEPHONE (423) 843-7528 OPERATING STATU.S

1. Unit Name: Seouovah Unit One

2. Reporting Period: Seotember 1997

3. Licensed Thermal Power (MWt): 3411 0

4. Nameplate Rating (Gross (MWe): 1220.6

5. Design Electrical Ratir.g (Net MWe): 114R0

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:

E 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 720 6,551 142,464

12. Number of Hours Reactor Was Critical 720.0 5,324.0 82,647

13. Reactor Reserve Shutdown Hours 0 0 ~

0 14, llours Generator On Line 720.0 5,279.0 80,850.6

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWh) 2,454,177.6 17,361,674.3 263,716,662

17. Gross Electrical Energy Generated (MWh) 838,333 5,990,761 89,782,901

18. Net Electrical Energy Generated (MWh) 810,893 5,786,045 86,163,683

19. Unit Service Factor 100.0 80.6 56 8

20. Unit Availability Factor 100 0 80.6 56.8

21. Unit Capacity Factor (Using MDC Net) 100 8 79.1 54 1

22. Unit Capacity Factor (Using DER Net) 98.1 76.9 52.7

23. Unit Forced Outage Rate 0.0 06 30 6

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

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

g OPERATING DATA REPORT DOCKET NO. 50 328 DATE 10/06/97 COhiPLETED BY L1llollomon TELEPilONE (4231843-7528 QPIEATING SIA1113

1. U11t Name: Sequoyah Unit Two

2. H: porting Period: Sentember 1997

3. Licensed Thermal Power (MWt): 1411 0

4. Nameplate Fating (Gross (htWe): 1220.6

5. Design Ekctrm:.!!1ating (Net htWe): 11480

6. hiaximum Dependable Capacity (Gross MWe): 11550

7. hinximun. Dependable Capacity (Net h1We): 1117.0 8 If Chanps 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 Ar.,. N/A This hionth Yr.-to Date Cumulative i1. Ilours in Reporting Period 720 6.551 134.424

12. Number ofilours Reactor Was Criti" 720.0 6,551.0 86,153 t

13. Reactor Reserve Shutdown llous 0 0 0

14. Ilours Generator On Line 720.0 6,530.7 84,203.2

15. Unit Reserve Shutdown lleurs 0 0 ~

0

16. Gross Thermal Energy Generated (htWh) 2.017,336.8 21,539,623.1 269,279,277

17. Gross Electrical Energy Generated (MWh) 694,120 7,402,817 91,601,874

18. Net Electrical Energy Generated (MWh) 668,304 7,159,301 87,839,020

19. Unit Service Factor 100.0 99.7 _

62 6

20. Unit Availability Factor IDILn 99 7 62 6

21. Unit Capacity Factor (Using MDC Net) 83 1 97.8 _

58 5

22. Unit Capacity Factor (Using DER Net) 80 9 95 2 56.9

23. Unit Forced Outage Rate 00 0.3 29,6

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

Unit 2 Cycle 8 Refueling Outage began October 5,1997 with a scheduled duration of 40 days.

25. If Shut Down At End of Report Period, Estimated Date of Startup: N/A

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DOCKET NO; m-W .",

UNTT NANE Or DATE- 105W UNIT SHbTOUWNS AND POWER REDti (ONS f COMPLETED BY: T J h elic o en I-REPORT MONTH: 5_EFFEMBER 1997 TELEPHONE (423) 543-7523 Type' Ou: age Reason' Method of Licensee Sprem Cuu wwJ Csw and Count Acks to Prewnt

! No. Date Shutting Ewnt Report Code' Code' R-a Duration (Hours) Down No.

Reac or' There were no outages or po tr .h of great:r than 20 percent in the awrage daily poner Icwl during spa.

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2 Reason ' Method 'Exhsbit G-Instructions

'F: Forced A-Eympmsg Failure (Explain) 1-Manual for Prrme 12on of Data S: Scheduled B-Maintenance or Test 2-Manual Scram Emry sheets for Licensee C-Refueling 3-Automatic Scram Ewnt Report (LER) File D-Regulatory Restriction 4-Continuation of Existing Outage (51' REG-1022)

E-OperatorTraining and Licutse Eum 5-Reduction F-Administratnt 9-Other ' Exhibit I -Same Source G4.iierel Error (Explain)

H-Other(Explam)

DOCKET NO.: M-323 .g UNTr NAME: Two UNIT SHU DOWNS AND POWER REDUCTIONS DATE- 1OMw COMPLETED BY: T T Holknen REPORT MOMit S_EPTEMBER 1997 TELEPHONE: (423) 543-7528 2

No. Date Type' Outage Reason Mctbod of Ixensee System C--.----

+ Cause .ux! Corn:ctne Acuca to Prcver:t Duration Shutting Estnt Code

• Code' R- w W ars) Donti Report No.

Reactor' There ser: no outages or power . "-- 4 +

cf greater than 20 pcreent in the astrage daily powerlevel danng Swie. Unit 2 e_ a - " to coast down to the Unit 2 Cycle 3 refueling outage. Unit 2 was operating at 75 percern reactor poutr at the end of Scpimin.

'F: Forced Reason. 4fethod *Exlubit G-Instructions S: Scheduled A-Equipment Failure C plain) I-Manual for Poe.ee of Data B-Main ^mcua,e or Test 2-Manual Scram Entry shcess for Licensee C-Refueling 3-Automatic Scram Estat Report (LER) File D-Regulatory Restriction 4-Continuation ofExisting Outage (NLREG-1022)

E-Operator Training and License Exam 5-Reduction F-Administratist 9-Other ~ht I- Same Source G.Operatiml Error (Explain)

II-Other (Explain)

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