ML20095A391

Monthly Operating Rept for Mar 1992 for VC Summer Nuclear Station Unit 1

ML20095A391
Person / Time
Site:	Summer
Issue date:	03/31/1992
From:	Haltiwanger J, Skolds J SOUTH CAROLINA ELECTRIC & GAS CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9204160332
Download: ML20095A391 (5)

Text

7 10CFR50.36 3 .

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April 10,1992 Document Control Desk U. S. Nuclear Regulatory Comission Washington, DC 20555 Attention: Director, Office of Resource Management Gentlemen: ,

Subject:

VIRGIL C. SUMMER NUCLEAR STATION 3

DOCKET NO. 50/395 OPERATING LICENSE N0. NPF-12 MARCH F0NTHLY OPERATING REPORT Enclosed is the March 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 cny questions, please call me at your convenience. _,

Very truly yours, 2John L.4/Skolds JWH:RJB:JLS: led Attachments c: 0. W. Dixon Jr. J. W. Flitter R. R. Mahan F. Yost R. J. White INPO Records Centee 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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9dO4[i033'2 920331 PDR ADOCK 05000395 ,

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HUCLEAR EXCELLENCE - A SIMIER TRADITION!

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. i Director, Office of Resource Managemer.t March Monthly Operating Report Page 1 ATTACHMENT I AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50/395 UNIT V. C. SUMMER I DATE 4/ 1/92 COMPLETED.BY J. W. HALTIWANGER

-TELEPHONE (803) 345-4297 MARCH 1992

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

1. 892. 17. 860

2. 893 18. '292

3. 893 19, 893

4. 892 20. 892

5. 891 21. 893

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6. 890 22. 892 7 893 23. 892-

8. 892 24. 892 9 893 25, 891

10. 890 26. 891 3

11. 891 27. 832

12. 892 '28, 891

13. 649 29. 893

14. 363 30. 833 15, 607 31. 891

16. 751

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Director, Office of Resource Managcrent March Monthly Operating Report Page 2 ATTACHMENT II OPERATING DATA REPORT

' DOCKET AO. 30/395 UH T V. C. SUMMER I DATE 4/ 1/92-COMPLETED BY J. W. HALTIWANGER-TELEPHONE (803) 345-4297-OPERATIWG STATUS

1. Reportitig Period: March 1992 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 Aeactcr Critical 744.0 2184.0 56808.6-

6. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

7. Hours Generator on Line 744.0 2184.0 55671.7

8. Unit Reserve Shutdown Hours 0.0 0.0 0.0

9. Gross Thermal Energy Generated (MWH).1977379 5945682 144514449 a

10. Gross Electrical Energy (HWH) 661450 1994070 47879469

11. Net Electrical Energy Generated (MWH) 53100e 1912418 -45459700

12. Reactor Service Factor 100.0 .100.0 78.6 13.. Reactor Availability Factor 100.0 100.0 78.6

14. Unit Service Factor 100.0 100.0 77.0

15. Unit Availability Factor 100.0 100.0 77.0 7 16. Unit Capacity Factor (Using MDC) 96.3 98.9 71.0 17 Unit Capacity Factor (Design HWe) 94.7 97.3 69.9

18. Unit Forced Outage Rate 0.0 0.0 6.5 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 j

Director, Office 02 Resource Management March Monthly Operating Report Page 3 ATTACHMENT III UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50/395 UNIT V.C. SUMMER I DATE 4/ 1/92 COMPLETED BY J. W. HALTIWANGER TELEPHONE (803) 345-4297 MARCH 1992 NO. DATE TYPE DURATION REASON METHOD CORRECTIVE ACTION / COMMENTS 1 920313 S 0.0 A 5 REPAIR TURBINE INTERCEPT VALVE CIRCUITRY 1.0 REASON '

A: Equipment Failure B: Maintenance or Test C: Refueling D: Regulatory Restriction E: Operator Training and License Examination F: Administrative G: Operational Error H: Other (Explain) 2.0 METHOD 1: Manual 2: Manual Scram 3: Automatic Scram 4: Continuation (Use initial Date) 5: Power Reduction (Duration 0.0)

9. Other (Explain)

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

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO. 50/395 UNIT V. C. SUMMER I DATE 4/ 1/92 COMPLETED BY J. W. HALTIWANGER TELEPHONE (803) 345-4297 MARCH 1992 V. C. Summer Nuclear Station operated at approximately 100% power for the first 12 days of March.

On March 13, power was reduced below 50 percent for repair work on the turbine intercept valve control circuitry.

During this power reduction scheduled repairs were also performed on the main feedwater pemp. Following all repair activ!tles the plant returned to full power on the 17th.

The ta.o? operated at full power for the remainder of March.

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