ML20207P475

Monthly Operating Rept for Dec 1986

ML20207P475
Person / Time
Site:	Summer
Issue date:	12/31/1986
From:	Loignon G, Nauman D SOUTH CAROLINA ELECTRIC & GAS CO.
To:	Barry L NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
NUDOCS 8701160171
Download: ML20207P475 (5)

Text

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-Director, Office of Resource Management December Monthly Operating Report Page 1 ATTACHMENT I AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50/395 UNIT -V. C. SU4tER I DATE 1/ 2/87 COMPLETED BY G. A. LOIGNON TELEPHONE (803) 345-5209 DECEMBER 1986 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

LEVEL (MWe-Net) 1.

882 17 877 2.

879 18.

878 3.

880 19.

838 4.

410 20.

802 5.

-34 21.

803 E.

275 22.

802 7.

751 23.

802 8.

862 24 801 9.

872 25.

802 10.

873 26.

803 11.

873 27.

803 12.

874 28.

803 13.

875 29.

805 l

14.

875 30.

805 l

15.

875 31.

801 16.

877 l

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OC 95 Y

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P Director, Office of Resource Management December Monthly Operating Report Page 2 ATTACHMENT II OPERATING DATA REPORT DOCKET N0.

50/395 UNIT V. C. SUMMER I DATE 1/ 2/87 COMPLETED BY G. A. LOIGN0N TELEPHONE (803) 345-5209 OPERATING STATUS

1. Reporting Period:

December 1986 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. Num,te of Hours Reactor Critical 714.0 8453.2 20446.5

6. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

7. Hours Generator on Line 707.4 8350.9 19991.2

8. Unit Reserve Shutdown Hours 0.0 0.0 0.0

9. Gross Thermal Energy Generated (MWH) 1,844,820 22,556,754 52,394,320

10. Gross Electrical Energy (MWH) 606,620 7,478,800 17,409,459 t

l

11. Net Electrical Energy Generate <l (MWH) 578,821 7,160,639 16,583,277 l

12. Reactor Service Factor 96.0 96.5 77.7

13. Reactor Availability Factor 96.0 96.5 77.7

14. Unit Service Factor 95.1 95.3 76.0

15. Unit Availability Factor 95.1 95.3 76.0 l

16. Unit Capacity Factor (Using MDC) 87.9 92.4 71.2

17. Unit Capacity Factor (Design MWe) 86.4 90.8 70.0

18. Unit Forced Outage Rate 4.9 4.7 6.8

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

l l

Refueling, March 6, 1987, 60 Days

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 l

m,

Director, Office of Resource Management December Monthly Operating Report Page 3 ATTACHMENT III UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET N0.

50/395 UNIT V. C. SUMMER I DATE 1/ 2/87 COMPLETED BY G. A. LOIGNON TELEPHONE (803) 345-5209 DECEMBER 1986 Method of TYPE Shutting F or S Duration Down the Corrective Actions /

No.

Date Reason Forced or (Hours)

Reactor or Comments Scheduled Reducing Power l

9 861204 F

36.6 A

1 Repair Reactor Coolant Drain Tank Pumps l

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Director, Office of Resource Management December Monthly Operating Report Page 4 ATTACHMENT IV NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.

50/395 UNIT V. C. SUMMER I DATE 1/ 2/87 COMPLETED BY G. A. LOIGNON TELEPHONE (803) 345-5209 DECEMBER 1986 ATTACHMENT IV NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE On December 1, 1986, the Virgil C. Summer Nuclear Station, Unit 1 was operating at approximately 100% power.

On December 4, 1986, at 1100 hours0.0127 days <br />0.306 hours <br />0.00182 weeks <br />4.1855e-4 months <br />, a shutdown from 100% power commenced to repair the Reactor Coolant Drain Tank pumps. The reactor was shutdown at 1345 hours0.0156 days <br />0.374 hours <br />0.00222 weeks <br />5.117725e-4 months <br />. The generator was placed on line at 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br /> on December 6.

On December 19, 1986, at 1155 hours0.0134 days <br />0.321 hours <br />0.00191 weeks <br />4.394775e-4 months <br />, the shaft of the 'B' Main Feedwater Pump sheared. Power was reduced from 100% to 92%.

On December 31, 1986, the plant remained at 92% power while repairs were being made to the feed pump.

/CCVt.Zo e

na Electric & Gas Company Den A.

- Columbia. SC 29218 Nucear Operations (803) 748-3513

~*

January 9, 1987 Director Office of Resource Management U. S. Nuclear Regulatory Commission MNBB 7602 Washington, DC 20555 ATTN: Mr. Learned W. Barry

SUBJECT:

Virgil C. Summer Nuclear Station Docket No. 50/395 Operating License No. NPF-12 December Monthly Operating Report

Dear Mr. Barry:

Please find enclosed the December 1986 Monthly Operating Report for the Virgil C. Summer Nuclear Station Unit No. 1.

This submittal is made in accordance with the requirements of Technical Specification 6.9.1.10.

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

ry t uly i

k A!. Ndume n AM: GAL: DAN /bjh Attachments pc:

0. W. Dixon, Jr./T. C. Nichols, Jr.

K. E. Nodland E. C. Roberts R. A. Stough

0. S. Bradham G. O. Percival J. G. Connelly, Jr.

R. L. Prevatte D. R. Moore J. B. Knotts, Jr.

W. A. Williams, Jr.

INP0 Records Center H. R. Denton ANI Library J. Nelson Grace L. N. Carter Group Managers R. E. Rainear W. R. Baehr S. D. Hogge C. A. Price NPCF C. L. Ligon (NSRC)

File R. M. Campbell, Jr.

FEM i i

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