ML20247B648
| ML20247B648 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 04/30/1989 |
| From: | Bradham O, Haltiwanger J SOUTH CAROLINA ELECTRIC & GAS CO. |
| To: | Barry L NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 8905240186 | |
| Download: ML20247B648 (5) | |
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Sogrgna Electric & Gas Company.
m e in v le SC 29065 Nuclear Operations SCE&G meme May 11, 1989 Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555 Attention: Mr. Learned W. Barry
SUBJECT:
Virgil C. Summer Nuclear Station Docket No. 50/395 Operating License No. NPF-12 April Monthly Operating Report Gentlemen:
Please find enclosed the April 1989 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.
O. S. Bradham
.AMM/JWH/OSB: led Attachments c:
D. A. Nauman/0. W. Dixon, Jr./T. C. Nichols, Jr.
E. C. Roberts W. A. Williams, Jr.
INP0 Records Center S. D. Ebneter ANI Library J. J. Hayes, Jr.
L. N. Carter l
General Managers R. V. Tanner C. A. Price /R. M. Campbell, Jr.
J. W. F11tter R. B. Clary Marsh & McLennan K. E. Nodland NPCF J. C. Snelson NSRC G. O. Percival RTS (RG 890002)
R. L. Prevatte file (818.03-1)
J. B. Knotts, Jr.
$Y Y~'
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- Document Control Desk April Monfhly Operating Report Page'1 ATTACHMENT I AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.:
50/395 UNIT:
V. C. SUMMER I DATE: 05/01/89 COMPLETED BY:
J. W. HALTIWANGER TELEPHONE:
(803) 345-4297 APRIL 1989 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1.
7 16.
887 2.
-31 17.
887 3.
-32 18.
890 4.
31 19.
888 5.
175 20.
888 6.
186 21.
888 7.
- 98 22.
887 8.
187 23.
889 9.
187 24.
887 10.
375 25.
886 11.
775 26.
886 12.
884 27.
885 13.
886 28.
88?
14.
886 29.
883 15.
887 30.
883
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Document tontrol Desk April Monthly Operating Report Page 2 ATTACHMENT II OPERATING DATA REPORT DOCKET NO.: 50/395 UNIT:
V. C. SUMMER I DATE: 05/01/89 COMPLETED BY:
J. W. HALTIWANGER TELEPHONE:
(803) 345-4297 OPERATING STATUS
- 1. Reporting Period:
April 1989 Gross Hours in Reporting Period:
719
- 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 l
- 4. Reasons for Restrictions: N/A l
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l THIS MONTH YR TO DATE -CUMULATIVE i
- 5. Number of Hours Reactor Critical 649.0 2237.2 34973.8 i
- 6. Reactor Reserve Sh' down Hours 0.0 0.0 0.0 l
- 7. Hours Generator on Line 636.8 2184.1
___34266.8
- 8. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 9. Gross Thermal Energy Generated (MWH) 1512841 4793661 89642265 1
- 10. Gross Electrical Energy (MWH) 478580 1549600 29696429 l
- 11. Net Electrical Energy Generated (MWH) 453207 1452965 28140123 l
- 12. Reactor Service Factor 90.3 77.7 74.8 i
- 13. Reactor Availability Factor 90.3 77.7 74.8
- 14. Unit Service Factor 88.6 75.9 73.3 l
- 15. Unit Availability Factor 88.6 75.9 73.3 j
- 16. Unit Capacity Factor (Using MDC) 71.2 57.0 68.0
- 17. Unit Capacity Factor (Design MWe) 70.0 56.1 66.9
- 18. Unit Forced Outage Rate 11.4 24.1 7.7
- 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 i
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Document Control Desk.
April honthly Operating Report Page 3 ATTACHMENT III UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.:
50/395 UNIT:
V. C. SUMMER I DATE:
05/01/89 COMPLETED BY:
J. W. HALTIWANGER TELEPHONE:
(803) 345-4297 APRIL 1989 Method of TYPE Shutting F or S Duration Down the Corrective Actions /
No.
Date Reason Forced or (Hours)
Reactor or Comments Scheduled Reducing Power
.5 890401 F
82.2 H
2 High MSR Level--Repaired Level Switches and Level Controllers.
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Document Control Desk April Monthly Operating Report Pagd 4 ATTACHMENT IV NARRATIVE
SUMMARY
OF OPERATING EXPERIENCE DOCKET NO.:
50/395 UNIT:
V. C. SUMMER I DATE:
05/01/89 COMPLETED BY:
J. W. HALTIWANGER TELEPHONE:
(803) 345-4297 APRIL 1989 On April 1 at 0445 hours0.00515 days <br />0.124 hours <br />7.357804e-4 weeks <br />1.693225e-4 months <br />, a turbine trip occurred on high moisture separator reheater (MSR) level. At 0519 hours0.00601 days <br />0.144 hours <br />8.581349e-4 weeks <br />1.974795e-4 months <br />, a reactor trip occurred due to an erroneous feedwater flow transmitter 10-10 steam generator level signal. During the outage, maintenance was performed on the flow transmitter and several MSR and MSR drain tank level switches, alarms, and controllers.
l The reactor was taken critical at 0415 hours0.0048 days <br />0.115 hours <br />6.861772e-4 weeks <br />1.579075e-4 months <br /> on April 4, and the plant placed on-line at 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br /> the same day.
The plant operated at approximately 100 percent power for the remainder of April.
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