ML20101P901

Monthly Operating Rept for June 1992 for VC Summer Nuclear Station

ML20101P901
Person / Time
Site:	Summer
Issue date:	06/30/1992
From:	Haltiwanger J, Skolds J SOUTH CAROLINA ELECTRIC & GAS CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9207140068
Download: ML20101P901 (5)

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..e July 8, 1992 Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555 Attention: Director Office of Resource Management Gentlemen:

Subject:

VIRGIL C. SUMMER NUCLEAR STATION DOCKET NO. 50/395 OPERATING LICENSE NO. NPF-12 JUNE MONTHLY OPERATING REPORT Enclosed is the June 1992 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, John L. Skolds JWH:RJB: led Attachments c:

0. W. Dixon J. W. Flitter R. R. Mahan F. Yost R. J. White INP0 Records Center S. D. Ebneter ANI Library G. F. Wunder Marsh & McLennan General Managers NSRC G. J. Taylor RTS (MON 2000)

NRC Resident inspector file (818.03-1)

J. B. Knotts Jr.

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NUCLLAR EXCELLENCE - A SUMMER TRADITION!

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Director, Office of Resource Management June Monthly Operating Report Page 1 ATTACllMENT I AVERAGE DAILY UNIT POWER LEVEL DOCKET HO.

50/395 UNIT V. C. SUMMER I DATE 7/ 1/92 COMPLETED BY J. W. IIALT1WANGER TELEPHONE (803) 345-4297 JUNE 1992 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(HWe-Het) 1.

887 17.

884 2.

888 18, 887 3.

889 19.

887 4

888 20.

887 5.

882 21.

886 6.

785 22.

886

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837 23.

887 8.

887 24.

886 9.

888 25, 887 10.

888 26.

887 11.

887 27.

887 12, 886 28.

887 13.

887 23.

886 14.

888 30.

887 15, 885 16.

887

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Director, Office of Resource Management June Monthly Operating Report Page 2 ATTAC!! MENT 11 OPEkATING DATA REPORT DOCKET NO.

50/395 UNIT V. C. SUMMER I DATE 7/ 1/92 COMPLETED BY J. W.

IIALTIWANGER TELEPHONE (803) 345-4297 OPERATING STATUS

1. Reporting Period June 1992 Gross flours in Reporting Period:

720

2. Curtently Authorized Power Level (HWt):

2775 Hax. Depend. Capacity (HWe-Net):

885 Design Electrical Rating (HWe-Net):

900

3. Power Level to Which Restricted (If Any)(HWo-Net):

N/A

4. Reasons for Restrictions:

N/A Tills HONTil YR TO DATE CUMULATIVE

5. Number of Hours Reactor Critical 720.0 4136.1 58760.7

6. Reactor Reserve Shutdown flours 0.0 0.0 0.0

7. Ilours Generator on Line-720.0 4115.6 57603.3

8. Unit Reserve Shutdown !!ours 0.0 0.0 0.0

9. Gross Thermal Energy Generated (HWH) 1982126-11234942 149803709

10. Gross Electrical Energy (MWH) 661590 3760590 49645999

'11. Het Electrical Energy _ Generated (HWH) 634791 3600138 47147420 1 ~2. Reactor Service Factat-100.0 94.7 78.9

13. Reactor Availability Factor 100.0 94 7 78.9

14. Unit Servics F ctor 100.0 94.2 77.3

15. Unit Availability Factor 100.0 94,2 77.3

16. Unit Capacity Factor (Using HDC) 99.6 93.2 71.5

17. Unit Capacity Factor (Design HWe) 98.0 91.6 70,3

18. Unit Forced Outage Rate 0.0 0.0 6.3

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

NONE

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

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Director, Office of Resource Management June Monthly Operating Report Page 3 i

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ATTACHMENT III UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50/395 UNIT V. C. SUMMER I DATE 7/ 1/92 COMPLETED BY J. W. HALTIWANGER TELEPHONE (803) 345-4297 JUNE 1992 NO.-

DATE TYPE DURATION REASON HETHOD CORRECTIVE ACTION / COMMENTS NOME 1.0 REASON At Equipment Failure B: Maintenance or Test C Refueling Da Regulatory Restriction El Operator Training-and License Examination F: Administrative G1 Operational Error H: Other (Explain) 2.0 METHOD 1: Manual

.7 : Hanual Scram 3: Automatic Scram 41 Continuatloa (Use initial Date) 5: Power Reduction (Duration 0.0) 9..Other (Explain) m,._

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Director. Office of Resource Management June Monthly Operating Report Page 4 i

ATTACHMENT IV NARRATIVE

SUMMARY

Of OPERATING EXPERIENCE DOCKET NO.

E0/395 UNIT V. C. SUMMER I DATE 7/1/92 COMPLETED BY J. W. HALTIWANGER TELEPHONE (803) 345-4297 V. C. Summer Nuclear Station operated at approximately 100 percent power for the first (cur day 3 of the month.

On June 5th power was reduced to approximately 88 percent for repair of a main feedwater pump seal.

Power was returned to 100 percent on the 7th.

V On June 24th the 2A feedwater heater dumped to the condenser due to failure of a level switch. Consequently, power was reduced to 93 percent.

The heater _was reset and power was returned to 100 percent.

L The plant operated at approximately 100 parcent power for the remainder of l

the month.

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