ST-HL-AE-3894, Monthly Operating Repts for Sept 1991 for South Texas Project Electric Generating Station,Units 1 & 2

Monthly Operating Repts for Sept 1991 for South Texas Project Electric Generating Station,Units 1 & 2

ML20085E991
Person / Time
Site:	South Texas
Issue date:	09/30/1991
From:	Jump W, Kent A HOUSTON LIGHTING & POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
ST-HL-AE-3894, NUDOCS 9110210315
Download: ML20085E991 (14)

Text

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The Light companyhumit llousum Lighting & Power un Pndnt u nit nudting Station P.R f as N MMW""In Ton 7,%d October 14, 1991 ST-HL AE-3894 File No.: G02 10CFR50.71 U. S. Nuclear Regulatory Comm.ssion Attention: Document Control Desk Washington, DC 20555 South Texas Project Electric renerating Station Units 1 6 2 Docket Nos. STN 50-498 & 50-499 Monthlv Operating Renorts for September J 2,9.1 9 Pursuant to 10CFR50.71(a) and South Texas Project Electric Generating Station (STPECS) Technical Specification 6.9.1.5, attached are the Monthly Operating Reports for September, 1991-.

If you should have any questions on this matter, please contact Mr. C. A. Ayala at (512) 972-8628.

h dwt William J. Jump f Manager Nuclet- Licensing MYJ/ amp Attachments: l' STPECS Unit 1 Monthly Operating Report September, 1991 2j STPECS Unit 2 Monthly Operating Report - September, 1991 m P\91080001,1&2 A Subsidiar) of i fouAon induMries lacorporated l 9110210315 910930 PDR ADOCK 05000499

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, ST-HL-AE 389 4 Houstoq Lighting & Poser Company File No. : CO2 '

South Texas Project Electric Generating Station Page 2 cc

Regional = Administrator,= Region IV Rufus S. Scott Nuclear Regulatory Commission Associate General Counsel 611 Ryen Plaza Drive, suite'400 Houston Lighting & Power Company ,

Arlington, TX 76011 P. O. Box 61867 l ._

Houston, TX 77208 I b.

George Dick, Project Manager ,

U.S. Nuclear Regulatory Com:nission INP0 ,

Washirgton, DC 20555 Records Center 1100 circle 75 Parkway

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E 0 J.-I. Tapia: Atlanta, CA 30339-3064 (f

l - Senior Resident Inspector

-'c/o U..S. Nuclear negulatory Dr. Joseph M, Hendrie Commission - 50 Be11 port Lane P. O.-Box-910 Bellp'rt, NY 11713 Bay City, TX :77414 D, Y Lacker

l. J.'R._Newman, Esquire Bureau of Radiation Control l: - Newman & Holtzinger. P C. Texas Department of Health L 1615 L Street, N.W. 1100 West 49th Street Washington,_'DC 20036 Austin, TX 78756 3189 D. E. Ward /T. M. Puckett Central Power and Light Company l P. O. Box 2121

!- Corpus Chr!sti, TX 78403 J. C. Lanier/M, B, Lee City of Austin Electric Utility Department P.O. Box'108d:-

Austin,LTX .78767 l

-K. J; Fiedler/M, T. Hardt.

L City Public Servico Board P. O. Box 1771 San Antonio, TX -78296 i-

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l Revised 10/11/91 L4/NRC/

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ATl ACHMENT l ST HL AE 3f 9 O PAGE _ L_..OF G = _.

SOUTil TEXAS PROJECT ELECTRIC GENERATING STATION UNIT 1 HONTilLY OPERATING PEPORT SLPTEMBER 1991-Il0USTON LICitTING AND POVER CO.

NRC D_CKET No. 50-498 LICENSE NO. NPF-76 t

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Rev!cwedBy:) . [ 14ffh_ + 30 io,!;ffi l l'latit. Enr leerit) ,, Matu p,0 0 Date k ,_l,Q h h[

Approved By: ,_nane s,,nge,er s nete

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nenony_s mu STPEGS Unit 1 began the reportin6 period at 100% reactor power. On 9/6/91 at 0133 the unit was removed from service duo to 1cakage, exceeding technical specification limits, froin the Reactor Coolant System, Repairs were made and the unit was returned to service on 9/8/91 at 2124. -The unit returned - to 1004 j

- renetor. power on 9/9/91.

The reporting period was concluded with the uait at full power.

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[ ATTACHMENT 1.

ST HL AE 387 4

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OPERATING DATA REPORT L --

DOCKET NO. }k-498

,- UNIT 1 DATE pet. 3. 1991 '

COMPLETED BY A . P . Jgult._,

TELEPil0NE 512/972-7786 OP"*ATING STATUS

1. REPORTING PERIOD:- 09/01 09/30 GROSS HOURS IN REPORTING PERIOD: .l2Q,,

2. CURRENTLY AUTHORIZED 'POWE'l LEVEL (MWt): 380Q_

MAX.DEPENS. CAPACITY (MWe Net): 1.250.6 DESIGN ELECTRICAL RATING.(MWe-Net): .1250.ft_

3. POWER LEVEL TO Wi!IGli RESTRICTED (IF ANY)(MWe-Net): _ Sone 4~. REASONS FOR RESTRICTION (IF ANY): N/A Tills MONTii YR TO DATE CUMUIATIVE

.5, NUMBER OP ll0URS REACTOR _WAS CRITICAL..... 662.2 4254.7 18035.8

6. REACTOR RESERVE SIIUTDOWN ff0URS...... ... _Q 0 __ Q

7.  !!OURS CENERATOR ON LINE . . . . . . . . . . . . , . . . . 652.2 4131.1, 17772 J 8 .. UNIT RESERVE SilUTDOWN ll0URS . . . . . . , , . . . . . . Q 0 0

9. GROSS TilERMAL ENERGY CENERATED (MWt).... 245825.2 15728455,' 62906663

10. CROSS _ ELECTRICAL ENERGY GENERATED (MWH).. 831760 5139380 . 212 %3],2

11. NET ELECTRICAL ENERGY GENERATED (MWH) . . , . 7887,11 __ 4855607 -19980090

.12. REACTOR SERVICE FACTOR. ...... .......... 92.9.1 64'.91 66.41

13. REACTOR AVAILAEILITY FACIOR. . . ..........._ 92.0% 64.9% 66.4%

14. UNIT SERVICE' FACTOR., ..... .... ,,...... 90.6% 63.1% 63.6%

15, - UNIT AVAIIABILITY FACTOR. . . . . . . . . . . .. 90,fti ' 63.1% 63.6%

16. UNIT CAPACITY FACTOR.(Using MDC)......... _ S7.6% 59d1 .58.8%

17. W.T CAPALITY FACTOR (Using Design MWe). _,S,]J,1 59 11- 5 8 . H3, .

18. vNIT. FORCED OUTAGE RATE..... . .......... 9.fil 11,91 14.5%

19. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTilS ("PE, DAT5:, AND DUR,. TION OF EACil):

N/A

- 20. IF S!!UT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARWP: N/A I

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.- ATTACHMENT /

ST HL AE-3714 -

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AVERAGE DAILY Ut;IT' POWER LEVEL DOCKET No. 50 498 UNIT 1 DATE Oct. 3. 1991 COMPLETED BY Am I' . KenC ,,,

TELEP110NE 112/31.2-7786 MONTil .,,,,. SEPTEMBER -

DAY- AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL

..(MWo. Net) (MWe-Not) 1_ ,,,,

-1729 1. 7 1219 _,

2- 1231 18 1227 ..

3 1231 _ 19 1231 .,

x , 4- _ _ 1734 20 12 %

3 .

1235 . . , , _ ,

21 . ,_, 12/10 6 _0 22 1239 __

7 0 23 __

1235 . _ .

'U 0 24

-- 8 _ , , 123.1.

~9 . _ _ . _ , E87- 25 1138

10 ___ ..._1225 .

26 191 -.

, N 11- 1232 .

27 1737 12 1230 28 _ 1239 ,

13 12,32 29 1239 14- ,

1731 30 1234 15 1227 31 _ ll/A .

'16 1230 1

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UNIT SEUTDOWNS AND TOLER REDUCTIONS DOCKET NO. L50-498; -

.UNITL 1 DATE Oct. 3. 1991'

.COMPLt.Atu BY A.P. Kent TELEPHONE' 117/972-7786 REPORT MONTH SEPTEMBER l

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10 2u 3 4 .5 No. Date Type , Duration Reason Method of Licensee System . Component Cause & Corrective Action to I i (Hours) Shutting Event Code Code Prevent Recurrence Down I;eport #

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j Reactor ,

91-Oi 910906 F 67.8 A 1 1-91~-019 AE ISV The unit was removed from service and

j the reactor shurlovn due to leakage - from -

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]  ; the Reactor Coolant System. A 10-15 I gallen per minute packing leak on the

! Letdown Isolation Valve exceeded technical specification limits. The valve packing:- ,

j l was replaced. "

Corrective actions to prevect recurrence

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I"F F: Forced S: Scheduled Reason:

A-Equipnent Failure (Explain)

Method:

1-Manual IEEE 805-1983 IEEE803A-1983l 1

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'P B-Maintenance or Test C-Refueling 2-Manual Scram 3-Automatic Scram fio'%] ! ,

D-Regulatory Restriction 4-Cont. of.Existir.g '7aC-wI E-Operator Training & License Exaui Outage '

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-F-Administrative 5-Reduction g-G-Operational Error (Explain) 9-Other . t- i H-Other (Explain)-  ;

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f0RVs and Safety Valves SuramE y Thorn vere no PORV or Safety Valves challenged during the reporting period,

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ST-HleAE .5% #14 ,

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SOUTH TEXAS PP.03ECT EIICTRIC GENERATING STATION UNIT 2 MONTHLY OPERATING Rt. PORT SEPTEMBER 1991 HOUSTON LICHTING AND POWER CO.

NRC DOCKET NO 50-499 LICENSE NO. NFF-80

' '3 b !" i Reviewed >:

Supervisor Date Revi By: -

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[ Plant Ib{;lneering Managnr Date

/.pproved By. Smx /0/N1/

Plant '1anager j- Date 1

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9 ATTACHMENT >

ST HL-AE-3% d 0F __ A .-

_ J' AGE __ n __

Monthly Summary STPECS Unit 2 began the reporting period at 100% reactor power. On 9/14/91 at 0133 the unit was removed from service for refueling and s chedt.l ed maintenance, i

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ATTACHMENT 2 ST HL AE 38 W OF 3 PAGE ._,3.__.

OPERATING DATA REPORT DOCV.ET No. 50-499 >

UNIT 2 _ _ ,

d DATE Qs L 3 J 931 -

e,JdPLETED BY /Lf J ent 4

'I ELEP110NE 512/977 7786 OPERATING STATUS 1, REPORTING PERIOD: 09/01-09/30 CROSS 110URS IN REPORTING PERIOD: 720

2. CURRENTLY AUT110RIZED POWER LEVEL (MWt): 3800 MAX.0EPEMD.CAPACIrl (MWo Net): 1250.6 DESIGN ELECTRICAL RATING (MWe-Net): _1250.6

3. POWER LEVEL TO WillCll RESTRICTED (IF ANY)(MWe-Net ): None 4, REASONS FOR RESTRICTION (IF ANY): N/A Tills MONfil YR TO DATE CUMUIATIVE

5. NUMBER OF ll0URS REACTOR WAS CRITICAL,., .

31L f4 5.,992 _Q 14973J

6. REACTOR RYSERVE St.UTDOWN 110URS, . .,, ,

_Q 0 0 7, 110URS CENERATOR ON LINE. . ........, , .

31 LG 5889.5 14235.1

8. UNIT RESERVE SilUTDOWN 110URS , .,,. ,,,,,.

J 0 0

9. CFOSS TilERMAL ENERGY GENERATED (MWt).., ll7714J6 22134966 5]f40234

10. CROSS ELECTRICAL ENF'lGY GENERATED (MW11), , 396100 7490580 17513QhQ

11. NET ELECTRICAL T.NERCY GENERATED (MWil) . , , , 370135 7147461 16596222 12, REACTOR SERVICE FACTOR. . ,... .. . ... 43 M 91.51 74.8% ,

13. REACTOR AVAIIABILITY FACTOR , ....... . 43 R 91.5% _74J1

14. UNIT SERVICE FACTOR. ..., , , ..... 4 3 _h], 89.9% 71.1%

15. UNIT AVAII ABILITY FACTOR. . . . ...... ... 43.5% 39.91 71,l.1

16. UNIT CAPACITY FACTOR (Using MDC), .. ,

4_121 87.2% .56,35

17. UNIT CAPACITY FACTOR ('.' sing Design MWe) . 4i J,1 67.2% 66.3%

18. UNIT FORCED OUTAGE RATE.. ,. . . .. . O&t 4.2% 14.81

19. SilUTDOWNS SCllEDULED OVER NEXT 6 MONTils (TYPE, DATE AND DURATION OF EACil):

N/A

20. IF EMUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP: ,_12/5/91

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ATTACHMENTA ST-ML AE-3TW PAGE 4 -0F 3_ u AVERAGE DATIY UNIT POWER LEVEL DOCKET NO. }0-499 UNIT 2 ,

DATE Qct. 3. 1991 COMPLETED BY A.P Kent TELEPHONE 112/972-7781 MONTH . SEPUSEIL, DAY AVERAGE DATLY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (Mh'e -Ne t) (MWe-Net) ,

1 1227 17 0 2 1228 __ 18 0 3 1228 19 0 4 1229 20 0 5 1230 21 0 4 12L9 22 0 ,_

7 1224 23 0 8- __

1226 24 0 9' 1211 25 0 16 __ 1229 26 0

.11 1229 27 0 12 1230 28 0 13 1038 29 0 14- 0 30 0 15 0 31 N/A 16 0

UNIT SHUTDOWPiS AND POUER REDUCTIO.4S DOCKET NO. 50 499 UNIT 2 DATC Oct. 3. 1991 COMPLETED BY A.P. Kent TELEPliONE 512 /972-778r3 REPORT MONTri Ef.fEMBER 2I 3 4 5 l'

Licensee System Ccaponent Cause & Corrective Act.fon to No. Date Type Duration Reason Method of Prevent Recurrence Shutting Event Code Code (ifours)

Down Report

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N/A Refueling and scheduled maintenance 91-07 91091t. E S l 406.4 l C 1 N/A N/A outage.

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1 2 Method: IEEE 805-1983 IEEE 803A-1933 CO F: Forced Re as on .-

.-Equip: cent Failure (Explain) 1-Manual !yk S: Scheduled ;l Og B-Eaintenance or Test 2-Manual Scram II **

• 3- Autcetic Scram C-Refueling "@

4-Cont. of Existing D-Regulatory Restriction i E-Operator Training & License Exam . Outage 5-Redtetion e.

F-Administrative G-Operational Error (Explain) 9-Other H-Other (Explain)

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E'NYA A11!L11thLyJa]3ggyygyy, e There were no PORV or Safety valves challeriged during the reporting period.

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