ML20079C697

Monthly Operating Rept for May 1991 for River Bend,Unit 1

ML20079C697
Person / Time
Site:	River Bend
Issue date:	05/31/1991
From:	Hendl G, Odell W GULF STATES UTILITIES CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9106250130
Download: ML20079C697 (5)

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- .i gr GULF STA TES UTILITIES COhfPA NY ' *

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f, E i i .f-June 17, 1991 TGG- 35,209 Filo !bc. G9.5, CA.25 U. S. Nuclear Pcgulatory Camission fxx:tsmnt Control Ibak Washington, D.C. 20555 i Gentlanen t River neixi Station - Unit 1 Docket No. 50-458 Gulf States Utilitjen Ocun;xiny has encloccd the May 1991 bbnthly Operating Report for River Bend Station (RDS) - Unit 1. 'Ihis report is sulmitted in accordance with RBS 'Ibchnical Specification 6.9.1.6.

Sincerely, ,. ..

i xlwlll ,)f\

W. II. Cde ittnager - Overnight River Ihnd Nuclear Group Enclosure cc: U. S. Nuclear Regulatory Cmmission NRC Resident Inspector i Ibgion IV P. O. Box 1051 1 611 Ryan Plaza Drive, Suite 1000 St. Franciaville,1A 70775 Arlington, TX 76011 INPO Records Center Chester R. Obarg 1100 Circle 75 Parkvay PUCT Atlanta, CA 30339 7800 Shoal Creek Blvd.

Suite 400N Austin, TX 78757 l

l Cajun Electric Powr Ccop. , Inc.

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9106250130 910531 -

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DOCKET NO. 50/458 .

RIVER DEND STATION UNIT 1 REPORT NO. R-91-Q.05 DATE lung 12, 1991 COMPLETED DY .4e._F,s._Ilg.ndl TITLE 11I_m_CmapJiAnsuL.

AD41Y.Et TELEPHONE 1Q.(-1gJ-4732 MONTH tiAh_1191 DAY AVERAi1E DAILY DAY AVERAGE DAILY POWER LEVEL POWER LEVEL (MWo-Net) (MWo-Nat)

1. 924 17. 912

2. 920 18, 890

3. 912 19. 579

4. 863 20. 916

5. 848 21, 920

6. 928 22. 921

7. 930 23. 920

8. 924 24. 9.R9

9. 921 25. 577 10, 905 26. 879 11, 652 27. 919

12. 919 28. 919

13. 919 29. 920

14. 920 30. 919

15. 923 31. 911 . , _

16. 920

DOCKET NO. 50/458 RIVER DEND STATION UNIT 1 REPORT NO. R-91-005 DATE J. mbt._1L__11Pl COMPLETED BY G. P. Handl TITLE Hru qoppliance Analyst TELEPHONE }04-381-4732 P AG E _l._, OF ._2_.,

GP.ERATING__STh1UA

1. REPORTING PERIOD: MAY, 1991 GROSS llOURS IN REPORTING PERIOD: 211

3. CURRENTLY AUTliORIZED POWER LEVEL (Mwt): 2094 MAX. DEPEND CAPACITY (MWo-Not): 936 DESIGN ELECTRICAL RATING (MWo-Not): 215_

3. POWER LEVEL TO WilICH RESTRICTED (IF ANY) (MWo-Not): N/A

4. REASONS FOR RESTRICTION (IF ANY): N/A NOTE 1: Items 5 thru 11 Cumulativo uses actual lifetimo values.

THIS YR TO CUMU-MONTH DATE LATIVE (NOTE 1)

5. NUMBER Or llOURS REACTOR WAS CRITICAL. . 744 3451.62 36,861.41

6. REACTOR RESERVE SilUTDOWN }{OURS. . . . . 0 0 0

7. IlOURS GENERATOR ON LINE . . . . . . . . 744 3403.27 34,586._70

8. UNIT RESERVL SHUTDOWN IIOURS . . . . . . 0 0 0

9. GROSS THERMAL ENERGY GENERATED (MWil) . . 2,081,388 L 4 89,620 90,847,449

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 701,291 3,212,12.E 30,665,64),

11. NET ELECTRICAL ENERGY GENERATED (MWH) . 656,209 3,010.551 28,692.301

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DOCKET NO. 50/458 RIVER DEND STATION UNIT 1 REPORT NO. R-91-005 DATE 14DD_12.u19J1_._

COMPLETED DY 0. P. llandl TITLE RW.91npliangg_

Anglyat _,

TELEPitONE 5_04-301-(122.

PAGE 2 OF _R_

QP_ERhTING STATUS NOTE 2 : Items 12 thru 18 Cumulativo uses actual commerical operation values to date.

THIS YR TO CUMU-MONTH DATE LATIVE (NOTE 2)

12. REACTOR SERVICE FACTOR. . . . . . . . 1Q.Q1 95.27% 76.2%

13. REACTOR AVAILABILITY FACTOR . . . . . 1Q21 95.27% 76.2%

14. U!1IT SERVICE FACTOR . . . . . . . . . 1.QS1 ELJ_41 74.494

15. UNIT AVAILABILITY FACTOR. . . . . . . . LQR1 93.94% 21_421

16. UNIT CAPACITY FACTOR (Using MDC). . . . 94.23% 88.78% fL.151

17. UNIT CAPACITY FACTOR (Using Design MWn) 94.23% 88.78% 68.15%

18. UNIT FORCED OUTAGE RATE . . . . . . . . 0% 6.06% 7.90%

19. SHUTDOWNS SCllEDULED OVER NEXT SIX MONTIIS (TYPE, DATE, AND DURATION OF EACll) : Mid-Cycle 910922 10._DAYE

20. UNITS IN TEST STATUS (PRIOR TO COMMERICAL OPERATION):

N/A

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_ UNIT SHUTDOWNS AND POWER REDUCTIONS ..*.

. TIME . TIME START RECOVER OF- FROM DURATION TYPE REASON METHOD l

NO. 'DATE OCCURANCE' OCCUR)NCE (HOURS) NOTE (1) NOTE (2) NOTE (3) CORRECTIVE ACTION / COMMENTS i

l 91 '910511 0200 1445 14.3 F- A' 1 Steam leak 1ESS-NRV34B; j '

910511 furmanite repair.

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! 91-06 '910518 2100 2121 24.4 F A 1 Conductivity increase due to

! 910519 'C' waterbox tube leaks; 12 tubes plugged.

l 1-

91-07 ,910525 0 1 3 4'- 005S 23.4 F A J Conductivity increase due to I 910526 'C' waterbox tube leaks; 8 I tubes. plugged.

SUMMARY

o - -- - - - - - - __

; NOTE ' (1) TYPE'OF OCCURANCE

ENTER CODE DOCKET NO. 50/458 F: FORCED. i RIVER BEND STATION UNIT 1 j- S: SCHEDULED i

NOTE (2) REASON FOR OCCURANCE: ENTER CODE REPORT NO. R-91-005 l A: EQUIPMENT FAILURE (EXPLAIN IN CORRECTIVE ACTIONS / COMMENTS)

]: B: MAINTENANCE OR TEST REPORT MONTH MAY C: REFUELING f D: REGULATORY RESTRICTION E: OPERATOR TRAINING AND LICENSE EXAMINATION DATE: June 12, 1991 j F: ADMINISTRATIVE j G: OPERATIONAL ERROR (EXPLAIN IN CORRECTIVE ACTIONS /COMMENTE) G. F. Hendl H: OTHER (EXPLAIN IN CORRECTIVE ACTIONS / COMMENTS) COMPLETED BY

^

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, NOTE-(3) METHOD OF SHUTTING-DOWN REACTOR OR REDUCING POWER.: ENTER ONE Y

// # b -[ X .

j. 1. MANUAL SIGNAW RE

2. MANUAL SCRAM

3. AUTOMATIC SCRAM Sr. Compliance Analyst

4. 'OTHER (EXPLAIN IN CORRECTIVE ACTION / COMMENTS) TITLE

! TELEPHONE 504-381-4732

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