ML19327C213

Monthly Operating Rept for Oct 1989 for VC Summer Nuclear Station Unit 1.W/891109 Ltr

ML19327C213
Person / Time
Site:	Summer
Issue date:	10/31/1989
From:	Bradham O, Haltiwanger J SOUTH CAROLINA ELECTRIC & GAS CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 8911210184
Download: ML19327C213 (5)

Text

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i C' South Carolina Electric & Gas Compariy Oll'a S. C*adham '

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• 4- P.O. Bos 68 Wee Presioent

Jenkinsvillo, FC 29D63 lvuchar Oper:teons i (MS) 34!4040 j SCE&O j

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[ November 9, 1989 j h

i I-Document Control Desk  !

U. S. Nuclear Regulatory Comission  !

i' Washington, DC 20555 l

i. Attention: Mr. Learned W. Barry L j i

SUBJECT:

Virgil C. Summer Nuclear Station l

" Docket No. 50/395 i Operating License No. NPF-12  !

! October Monthly Operating Report f Gentlemen: l Please find enclosed the October 1989 Monthly Operating Report for the Virgil C.

Summer Nuclear Station Lnit No. 1. This submittal is made in accordance with the requirements of Technical Specifications, Section 6.9.1.10. i If there are any questions, please call me at your convenience.

L Vcry truly yours,

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[ 0. S. Bradham

,. RJB/JWH/OSB: led  :

Attachments c: D. A. Nauman/0. W. Dixon, Jr./T. C. Nichols, Jr.

E. C. Roberts l W. A. Williams, Jr. J. B. Knotts, Jr. i S. D. Ebneter J. W. F11tter L J. J. Hayes, Jr. INPO Records Center -

General Managers ANI Library C. A. Price Marsh & McLennan ,

R. B. Clary NPCF  ;

K. E. Nodland NSRC J. C. Snelson RTS RG890002)

R. L. Prevatte file 818.03-1) i t

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Document Control Desk October Monthly Operating Report l- Page 1

! ATTACHMENT I

!' AVERAGE DAILY UNIT POWER LEVEL L

DOCKET NO.: 50/395 UNIT: V. C. SUMMER I DATE: 11/01/89 i COMPLETED BY: J. W. HALTIWANGER

!' TELEPHONE: (803) 345-4297 7

OCTOBER 1989 DAY AVERAGE DAILY POWER LEVEL- DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

.1. 380 17, 179

2. 880 18. 177  !

3. 880 19. 175

4. 880 20, 98  !

5, 880 21. -31

6. 843 22. -30

7. 880 23. 26 i

8. 880 24. -23

9. 880 25. -21 ['

10. 880 26. -18

11. 879 27. 233

12. 880 28. 675

13. 837 29. 882

14. 174 30. 881 l

15. 174 31. 880

16. ._175

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! .g Document Control Desk October M 'hly Operating Report Page 2

. ATTACHMENT II OPERATING DATA REPORT.

DOCKET NO.: 50/395 UNIT: V. C. SUMMER I i DATE: 11/01/89  :

COMPLETED BY: J. W. HALTIWANGER 1ELEPHONE: (803) 345-4297 l OPERATING STATUS

1. Reporting Period: October 1989 Gross Hours in Reporting Period: 745

2. Currently Authorized Power Level (MWt): 2775  ;

Max. Depend. Capscity (MWe-Net): 885 '

Design Electrisel Rating (MWe-Net): 900 3.PowerLeveltoWhichRestricted(IfAny)(MWe"et): N/A

4. Reasons for Restrictions: N/A THIS MONTH YR TO DATE CUMULATIVE

5. Number of Hours Reactor Critical 613.8 5834.9 38571.5

6. Reactor Reserve Shutdown Hours 0.Q 0.0 0.Q

7. Hours Generator on Line 594 6 5608.7 37741.4 'i

8. Unit Reserve Shutdown Hours a0 0.0 0.0 E

9. Gross Thermal Energy Generated (MWH) 1292027 13656527 98505131 .

10. Gross Electrical Energy (MWH) 409010 4445430 12592259

11. Net Electrical Energy Generated (MWH) 383671 .__4,198270 10.885428 l 12. Reactor Service Factor 82.4 80.0 75.4

13. Reactor Availability Fact ? 82.4 80.0 75.4

14. Unit Service factor 79.8 77.6 73.8 l 15. Unit Availability Factor 79.8 77.6 73.8

i. 16. Unit Capacity Factor (Using MDC) 58.2 65.0 68d

17. Unit Capacity Factor (Design MWe) 57.2 63.9 67.1

18. Unit Forced Outage Rate 2Qd 22.4 9.1

19. Shutdowns Scheduled Over Next 6 Months (Type, Date & Ouration of Each):

Refuelino. March 1. 1990. 80 Days

20. If Shut Down at End of Report Period. Estimated Date of Startup:

N/A l 21. Units in Test Status (Prior to Commercial Operatien): N/A '

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l Document Control Desk 'I October Monthly Operating Report )

Page 3 a i

I ATTACHMENT 111  ;

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50/395  ;

UNIT: V. C. SUMMER I '

DATE: 11/01/89  ;

COMPLETE' ) BY: J. W. HALTIWANGER  :

TELEPHONE: (803) 345-4297 l

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OCTOBER 1989 Method of '

TYPE Shutting l

No. Date F or S Duration Reason Down the Corrective Actions /

Forced or (Hours) Reactor or Comments ,

Scheduled Reducing  ;

Power l

r 11 891014 F 0.0 A 5 Repair Condenser Tube Let.k/ Hold for High Oxygen Levels 12 891020 F  ?.5 A 9 Repair ALTEREX 13 891020 F 147.9 A 1 ."sepair Condenser ,

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Document Control Desk October Monthly Operating Report

' Page 4 ATTACHMENT IV NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.: 50/395 UNIT: V. C. SUMMER I DATE: 11/01/89 COMPLETED BY: J. W. HALTIWANGER TELEPHONE: (803) 345-4297 OCTOBER 1989 The Virgil C. Summer Nuclear Station operated at approximately 100 percent powee

until October 13 when power was reduced to 30 percent to find and repair condenser tube leaks. Following this repair, high Condensete System oxygen levels required power to be held at 30 percent.

- t l- On October 20 at 1422 hours0.0165 days <br />0.395 hours <br />0.00235 weeks <br />5.41071e-4 months <br />, the main generator was taken off-line to repair the 1 alterex slig, ring and brushes. Reactor power was maintained at 30 percent on steam dumps. ' At 1705 hours0.0197 days <br />0.474 hours <br />0.00282 weeks <br />6.487525e-4 months <br />, the geriorator was placed on-line. Se:ondary chemistry l subsequently indicated further leaks in the condenser so the plant was shut down to make repairs. The generator was taken off-11ne at 1759 hours0.0204 days <br />0.489 hours <br />0.00291 weeks <br />6.692995e-4 months <br />, and the plant entered Mode 3 at 0020 hours2.314815e-4 days <br />0.00556 hours <br />3.306878e-5 weeks <br />7.61e-6 months <br /> on October 21. 1 l

On October 26 at 1133 hours0.0131 days <br />0.315 hours <br />0.00187 weeks <br />4.311065e-4 months <br />, the reactor was taken critical, and the generator was I placed on line at 2156 hours0.025 days <br />0.599 hours <br />0.00356 weeks <br />8.20358e-4 months <br />.

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The plant was operating at 100 percent power at the end of October.

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