ML20077Q207

Monthly Operating Repts for Jul 1991 for Sequoyah Nuclear Plant Units 1 & 2

ML20077Q207
Person / Time
Site:	Sequoyah
Issue date:	07/31/1991
From:	Hollomon T, Joshua Wilson TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9108210116
Download: ML20077Q207 (10)

Text

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• k August 15, 1991 U.S. Nuclear Begulatory Commission ATTN: Document Contral Desk Washington, D.C. 20555 Gentlemen:

In the Matter of ) Docket Nos. 50-327 Tennessee Valley Authority ) 50-328 SEQUOYAll NUCLEAR PLANT (SQN) - JULY 1991 MONTilLY OPERATING REPORT Enclosed is the July 1491 Monthly Operating Report as required by SQN Technical Specificatian 5.9.1.10.

If you have any questions concerning this matter, please call M. A. Cooper at (615) 843-8422.

Very truly yours, TENNESSEE VALLEY AUTHORITY

& $irW L. Wilson

' nelosure cc: See page 2 flO3210116 9107s3 k,UI'; ADOCf: 03606 3 g Pos

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2 U.S. Nuclear Regule .ry Connission August 15, 1991 cc (Enclosure):

INPO Records Center institute of Nuclear Power Operations 1100 Circle 75 Parkway, Suite 1500 Atlanta, Georgia 30389 Mr. D. E. LaBarge. Project Manager U.S. Nuclear Regulatory Commission One White Flint, North 11555 nockville Pike Rockville, Maryland 20852 Mr. Ted Marston, Director Electric Power Research Institute P.O. Box 10412 Palo Alto, California 96304 NRC Resident Inspector Sequoyah Nuclear Plant '

2600 Igou Ferry Road Soddy-Daisy. Tennessee 37379 Regional Administration U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region 11-101-Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 ,

t Mr. B. A. Wilson, Project Chief U.S. Nuclear Regulatory Commisslou Region 11 101 Marietta Street. NW, Suite 2900

. Atlanta, Georgia 30323 Mr. F. Yost, Director Research Services Utility Data Institute 1700 K Street. NW, Suite 400 Washington, D.C. 20006 t

IENSSEEVALLEYAUIBORITY .

N[CLEARPOWERGROUP SEQU0YAH ECLEAR PLASI

>1051HLY0?ERAll5GREPORI I0IHE ECLEARREGULAIORYCOMISSIOS JULY 1991 UNIT 1 DOCKEI E BER 50-327 LICENSE NDBER D?R-77 131I2 DOCKET E BER 50-328 LICENSE SD13ER DPR-79

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. i OPERAII014L SDMY l JtU 1991 l f I

UN IT _1, i i

Unit 1 generated 843,630 megawatt hours (FNh) (gross) electrical power during  !

July with a capacity factor of 97.6 percent. On July 9, 1991, at 0514 Eastern -l daylight time (EDT) No.1 reactor coolant pump (RCP) oil reservoir level I high/ low alarm came in as a result of an oil leak affecting the upper oil l reservoir level. At 1700 ED,T a power reduction to 60 percent was initiated to I add _ oil to No. 1 RCP. On July 10, 1991, at 0300 EDT power increase was .!

initiated. Unit 1 was operating at 100 percent power at 0847 EDT on  !

July 10, 1991, and continued to operate at 100 percent power through the end f of the month. l

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UNIT 2 --

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Unit 2 generated 839,975 tNh (gross) electrical power during July with a  !

capacity factor of 97.2 percent. [

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POV _ OPERATED RE!.lEF VALVES (PORV) AND SAFETY VALVES

SUMMARY

-l There were no challenges to P0kVs or safety valves in July, j 0FFSITE DOSE CALCULATION MANUAL (ODCM) CHANGES f i

t There were no changes to the ODCM during July. i i

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1 AVERAGE dally UNII P0'iER LEVEL .

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-DOCKET NO. ,_50-327 UNIT No. One DATE: 08-06-91 l COMPLETED BY: T. J. Hollomon TELEPHONE: (515) 843-7528 MONTH: JULY 1991 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net) 1 1117 17 1107,,  ;

2 1114 _

18 1106 3 1112 19 1106 .,

4 1112 20 1106 5 1109 21 1105 6 1109 22 1104 7 1109 __

23 1103 ,

8 1109 24 1103 9 1013 25 1101 10 1004 26 1100- ,

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11 1099 27 1101 12 1099 28 1101 13 1079 29 1101 14 1057 30 1099 15 _ _ .

-1106 31 1083 16 1106 I

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, . . _ _ . _ . , , ~ . _ _ . - _ , , - - . , _ _ . _ _ . _ _ _ . . _ . . _ . _ , . _ _ _ _ _ _ _ _ _ _ _ . . . _ _ . _ . . . . . _ _ _ . _ _ _ _ _ _ , _ . _ _ . _

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AVERAGE DAILY L31I P0k'ER LEVEL DOCKET NO. 50-328 UNIT No. Two DATE: 08-06-91 COMI'LETED BY: T. J. llollomon 7ELEPHONE: (615) 843-7528 l

MONTil JULY 1991 AVERAGE DAILY POWEk LEVEL AVERAGE DAILY l'0WER LEVEL DAY (MWe-Net) DAY (MWe-Net) 1 1096 17 1091 2 1096 18 1090 3 1099 19 ___}090 4 1097 20 1090 5 1095 21 1090 6 1094 22 1091 7 1094 23 1089 8 1095 24 1089 9 1083 25 1088__

10 1088 26 1086 i

11 1093 27 1087 12 1091 28 1088 l 13 1089 29 1059 la 1084 30 1089 15 1089 31 1090 1

16 108_9_

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I OPERAf!NG DAT A REPOR1 fi DOCKET NO. _t0.:.32 7 _

CATC A gn i 9. 1991 l COMPLETED BY f. J. Ho11om2 L l fELtPHONE LfdiL143 4 . MIL,. l t

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OPERATING $TATUS [

l Notes l  !

Ii Unit Name: _itqusyah Vru t Ore l l f

2. Reporting Period: .Al v 1991 l l

3. Licensed thermal Power WWt): 3411.0 l .l 4,- Nameplate Rating (Gross Mwe): 1720.6 l l

$. Design Electrirdi Rating INet We): 11/.S . 0 _ ,,. l l

6. Manimum Dependat% Capacity (Gross MWe) 11C 2d l l

7. Maximum Dependable Capacity (Net We): 1122.0 l I t

8. If Changes Ocor in Capacity Ratirgs (Item Numbers 31hrough 7) Since Last Report Give Reasons:

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9. Power Level fa Which Restricted, if Any (Net We): _,JuA l

10. Reasons or r Rest rictions. If Any: N/A _  !

i This Month Yr.to-Date Cumulative

- 11. Hours in Reporting Feriod 744 B.097 83.312 h

12. Number of Hours Reactor Wat Critical 744.Q _ 4211 /5.02B

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13. Reactor Reserve _5hutdown Hours 0 0 _ L ,,  ;

14. Hours Generator On-Line 744.0 4.937.3. 44.033.1_,

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15. Unit Reserve ibutdown. Hours 0 0_  ;

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16. Gross Thermal Energy Generated (WH) L31013 .. 16.62LtQ2d. 143.984,512, _,..

17. Gross Electrical Energy Generated (HWH) _B43.630 5.685.f20 48.80LM

18. Net Electrical Energy Generated (HWH) 813463 5.489.287 .:C . 7C6 163 l

19. Unit Service Factor 100.0 97.1 49.8_ {

20. Unit Availability f actor 10LO 97.1. __

49,8 .i

, _ 21. Unit Capacity Factor (Using MDC Net) 97.4 06.2 47.2  ;

22. Unit Capacity f actor (Using DER Net) 91L 94.0 _.

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23. Unit-Forced Outage Rate 0.0 2.9 42.5 i

24. $hutdowns Scteduled Over Next 6 Months'(Type Date, and Duration of Each): l Unit 1 Cycle 5 refueling out ug j. scheduled to begin Octoter 5. 1991. with geesrator [

nnIbroni z ation scheduled f or Novwhe r 2L,,1L91.

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25. If Shut Down At End Of Report Per_iod. Estimated Date of Startup: N/A i I

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OPERA 11NG DATA REPORT l

DOCKti NO.30-220 l DAtt .AuguaLL_.192L COMPLEftD BY L a loljsepp_ ,

1Et ! PH0kE [fdiL.34h1521 DELWINLileik5 l Notes l l 1 Unit Name: $12wcyAb._Vait Two - l j ,

2. Reporting Period: _Juj d 971 , l l  !

3. ' Licensed Thermal Power (Nt): _3411.0 l l  !

4. Nameplate Ratlog (Gross N e): J222.d l j. I

5. Design Electrical Ratirg (Net MWe): 11 % 0 l l s

6. Maulmum Dependable Capacity (Gross MWe): ._LliLO l. l l

- 7. Masimue Dependable Capacity (Net MWeli .,112LO _j ,.

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8, if Changes Onur in Capacity Ratings (! tem Numbers 3 Through 7) Since Last Report. Give Reasons; y b

9. Power Level lo Which Restricted if Any (Net mws t: .

N/A _.

! 10. Reasons For Restrictions. If Any: N/A _.

i This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 741 _ 5.0S L. 10JL2 *

' 12. Number of Hours Reactor Was Critical 74LO_ _ S .QS2.JL 15 dis

- 13. Reactor Reser e Shutdown Hours 0 0 0 14.. Hours Generator On-Line 7410 5.01L 44 gr ig3_

15. Unit Reserve Shutdown Hours 1.0 . 0 0 t

16. Gross Thermal (nergy Generated (MWH)

. 1 J 1327).1 _lLDRjahfL _l3SJLW ,

17. Gross Electrical Energy Generated (MWH) 939.2]i_ _ _. 5. 78LESL_ , 47.270.3Q1

.18. Net Electrical Energy Generated (MWH) HQLiO3 . 5.578.122 _45.2002D0

19. Unit Service factor 10LO _ O,3 $$L

20. Unit Availability factor 100.0 .. .99.3_ $5. 5. .

21. Unit Capacity factor (Using MDC Net) 97.0 97.7 1Q.1

22. Unit Capacity factor (Using DER Net) 94 0 95.5_ . 49.Q_

23. Unit forced Outace Rate _ _ _ 0.0 OJ.,. 3Lt_._

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

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25, if $ hut Down At Cnd Of Report Period, Estimated Date of Startup: ,,3/A ,

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DOCKET NO: 5'J-32 7 UN;f NAME: T wg ___

UNIT SHufDOWNS WD POWER Rf Duri!ONS DATE: _ 021DS/21 _ ,

COMPL E f t 0 tW:Im L H911 cmc'1 RE POR T MONTH:_Aly_1991 iE tE Pt@Af : tttB L333-1326 Cause and Corrective Method of Licensee A(tion to Duration Shutting Down twent Systgm Compgnent Prevent Recurs e.ne 2 3 Report f4u. Code Code Type I

( tiou r s ) Reasor: Heactor . _ _ _

feu . Date . _ __ _ _ _ _

No shutdown or power 'aductions greater than 10 pertent for a 24-hour period to report.

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N=hibitCr-Instructions 2 3 Method: for Preparation of Data II: forced Reasuri: 1-Manual S: Scheduled A-Equipment foilure (E, plain)  ?-Manual Scram fntry sheets for licensee fi-Mainten4nte or fest Event Report (LLR) file C-kefueling 3-Au l.omo t i t ! cram 4-Continuation of Laisting Outage ( f40k t G- 102/ )

0-Regulatory Restruction 5 Redut. tion E -Operator T raining and t it ense E, amination 9-Other SE x h i t,i t 1-Same Source F-Administrative G-Operat ional E rror (fxplain) li-Other (Emplain)

1 DOCEFT NO:- ' 50-328 .. . ..

llNIT SHUTDOWNS AND POWER REDUCTIONS UNIT MAME; One

• l DATE' 00/09/91 REPORI' mMIH:Al.yE1L COMPLETED BY:U ttphn. -

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IELEPHONE ih.15) 843-1528 i

Method of_ licensee 'Cause and Corrective  !

Shutting Down Event , A(tion to I Duration Systge Compgnent ,[

Type l Reason2 Reactor Code Code Prevent Recurrence No. Date (Hours) Report No.  ;

8 910709' F B 5 AB, P On July 7. 1991 at 0514 EDT.No. 1 ~.3 RCP oil. reservoir level high/ low . l j alarm (ame in as a result-of an

• oil leak affecting the upper oil.'

. reservoir level .

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d Exhibit G-Instructions I F: forced 2 Wedson: 3Hethod:

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A-Equipment failure (Emplain)' 1-Manual for Preparation of Data S: Scheduled i B-Maintenance or Test 2-Hr.rual Scram Entry sheets for Licensee C-Refueling 3-Automatic Sr. ram Event Report (LER) File  !

D-Keoulatory Westruction 4-Continuation of Exesting Outage -(NUREG-1022) i L-Operator Training and License Examination 5-Reduction' i F-Administrative ,

9-Other G-Operat'ional Error (Emplain) 5 Exhibit 1-Same source l 8

H-Other (E* plain) '

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