ML20043G149

Monthly Operating Rept for May 1990 for VC Summer Nuclear Station Unit 1.W/900613 Ltr

ML20043G149
Person / Time
Site:	Summer
Issue date:	05/31/1990
From:	Bradham O, Haltiwanger J SOUTH CAROLINA ELECTRIC & GAS CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9006190121
Download: ML20043G149 (5)

Text

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. th C;roliria Electric & o:s C:mpany cl S Bradham Jenkinsville. SC 29005 - Nuclear Operations l (803)3454040 t SCE&G June 13, 1990-Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555 j Attention: Director, Office of Resource Management l

SUBJECT:

Virgil C. Summer Nuclear Station Docket No. 50/395 Operating License No. NPF-12 i May Monthly Operating Report Gentlemen:

Please find enclosed the May 1990 Monthly Operating Report for the Virgil C.

Summer Nuclear Station Unit No. 1. This submittal is made in accordance with the requirements of Technical Specifications, Section 6.9.1.10.

If there are any questions, please call me at your convenience.

Very truly yours, hf ,An '"

0. S. Bradham DCH/JWH/0SB: led-Attachments c: 0. W. Dixon, Jr./T. C. Nichols, Jr.

E. C. Roberts l R. V. Tanner J. B. Knotts, Jr.

S. D. Ebneter J. W. Flitter L 'J. J. Hayes, Jr. INPO Records Center General Managers ANI Library C. A. Price Marsh & McLennan R. B. Clary NPCF K. E. Hodland NSRC J. C. Snelson- RTS MON 2000 NRC Resident Inspector File 818.03-1

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,o Document Control Desk May Monthly Operating Report Page 1 f

ATTACHMENT I AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 50/395 UNIT: V. C. SUMMER I DATE: 06/01/90 COMPLETED BY: J. W. HALTlWANGER TELEPHONE: (803) 345-4297 I

MAY 1990 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. -6 17. -35

2. -6 18. -33

3. -6 19. -33

4. -6 20. -33

5. -7 21. -33  !

6. -7 22. -34

7. -8 23. -34

8. -7 24. 111

9. -10 25. 184

10. -11 26. 189

11. -12 27. 252

12. -11 -28, 565

13. -23 29. 658

14. -33 30. 844

15. -36 31, 871

16. -36

o Document Control Desk May Monthly Operating Report Page-2 ATTACHMENT II OPERATING DATA REPORT DOCKET NO.: 50/395 UNIT: V. C. SUMMER 1 DATE: 06/01/90 COMPLETED BY:- J. W. HALTIWANGER TELEPHONE: (803) 345 4297 i

' OPERATING STATUS

1. Reporting Period: May 1990 Gross Hours in Reporting Period: 744

2. Currently Authorized Power Level (MWt): 2775 Max. Depend. Capacity (MWe Net): 885 Design Electrical Rating (MWe-Net): 900

3. Power level to Which Restricted (If Any)(MWe-Net): N/A

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

5. Number of Hours Reactor Critical 239.2 2209.3 42222.1

6. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

7. Hours Generator on Line 185.3 2152.7 41312.3

8. Unit Reserve Shutdown Hours 0.0 0.0 0.0

9. Gross Thermal Energy Generated (MWH) 305992 5732736 108103049

10. Gross Electrical Energy (MWH) 95440 1894420 35756129

11. Net Electrical Energy Generated (MWH) 77568 1694787 33794703

.12. Reactor Service factor 32.2 61.0 75.1 e

13. Reactor Availability Factor 32.2 61.0 75.1

14. Unit Service Factor 24.9 59.4 73.5

15. Unit Availability factor 24.9 59.4 73.5

16. Unit Capacity Factor (Using MDC) 11.8 52.9 67.9

17. Unit Capacity Factor (Design MWe) 11.6 52.0 66.8

18. Unit. Forced Outage Rate 0.0 0.0 8.5 -

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

N/A 20.-If Shut Down at End of Report Period, Estimated Date of Startup:

N/A

21. Units in Test Status (Prior to Commercial Operation): N/A 1

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.. i Document Control Desk

~May Monthly Operating Report Page 3 ATTACHMENT !!!

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50/395 UNIT: V. C. SUMMER I DATE: 06/01/90 COMPLETED BY: J. W. HALTIWANGER TELEPHONE: (803) 345-4297 MAY 1990 Method of P

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

Forced or (Hours) Reactor or Comments Scheduled Reducing Power 1 3-23-90 S 558.7- C 4 Fifth Refueling Outage-l Continuing l-p

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Document Control Desk May Monthly Operating Report Page 4 ATTACHMENT IV NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.: 50/395 UNIT: V. C. SUMMER I DATE: 06/01/90 i COMPLETED BY: J. W. HALTlWANGER l TELEPHONE: (803) 345-4297 -j

't MAY 1990 l Virgil C. Summer Nuclear Station (VCSNS) was down for refueling on May 1, 1990.

On May 22 at 0550 hours0.00637 days <br />0.153 hours <br />9.093915e-4 weeks <br />2.09275e-4 months <br />, initial criticality was achieved for Cycle 6. On May 24, ]

Mode 1 was entered at 0515 hours0.00596 days <br />0.143 hours <br />8.515212e-4 weeks <br />1.959575e-4 months <br /> and the generator breaker was closed at 0640.. i 100 percent power was reached at 1345 hours0.0156 days <br />0.374 hours <br />0.00222 weeks <br />5.117725e-4 months <br /> on May 31.  ;

VCSNS was operating at approximately 100% power at the end of May.

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