ML20151V353
| ML20151V353 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 07/31/1988 |
| From: | Bradham O, Haltiwanger J SOUTH CAROLINA ELECTRIC & GAS CO. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| NUDOCS 8808220241 | |
| Download: ML20151V353 (5) | |
Text
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Document Control Desk July Monthly Operating Report Page 1 ATTACHMENT I AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.:
50/395 UNIT:
V. C. SUMMER I DATE: 08/01/88 COMPLETED 8Y:
J. W. HALTIWANGER TELEPHONE:
(803) 345-4297 t
JULY 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net)
884 3.
885 18.
894 3.
886 19.
883 4.
887 20.
883 5.
621 21, 883 6.
660 2E.
884 7.
884 23.
864 8.
885 24.
884 9.
884 25.
883.
10.
885 26.
326 11.
884 27.
-34 12.
885 28.
192 1.
883 29, 787 14.
880 30, 878 15.
882 31.
879 16.
882
. L,-
R
- t-
Document Control Desk July Monthly Operating Report Page 2 ATTACHMENT II OPERATING DATA REPORT DOCKET N0.:
50/395 UNIT:
V. C. SUMMER I DATE: 08/01/88 COMPLETED BY:
J. W. HALTIWANGER TELEPHONE:
(803) 345 4297 OPERATING STATUS
- 1. Reporting Period:
July 1988 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 D?TE CUMULATIVE
- 5. Number of Hours Reactor Critical 704.0 4808.6 31477.5
- 6. Reactor Reserve Shutdown Hours 0.0 0.0 0.0
- 7. Hours Generator on Line 696.2 4770.9 30899.0
- 8. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 9. Gross Thermal Energy Generated (MWH) 1894116 12880991 81664671
- 10. Gross Electrical Energy (MWH) 618650 4270640 27100089
- 11. Net Electrical Energy Generated (MWH) 591388 4084325 25819499
- 12. Reactor Service Factor 94.6 94 1 78.4
- 13. Reactor Availability Factor 94.6 94.1 78.4
- 14. Unit Service Factor 93.6 93.3 76.9
- 15. Unit Availability Factor 93.6 93.]
76.9
- 16. Unit Capacity Factor (Using MDC) 89.8 90.3 72.6
- 17. Unit Capacity Factor (Design MWe) 88.3 88.8 71.4
- 18. Unit Forced Outage Rate 6.4
.__ 6l 6.5 t
- 19. Shutdowns Scheduled Over Next 6 Months (Type, Date & Duration of Each):
REFUELING. SEPTEMBER 16. 19881 85 DAYS,
- 20. If Shut Down at End of Report Period. Estimated Date of Startup: N/A Pl. Units in Test Status (Prior to Commercial Operation): N/A a
Document Control Desk July Monthly Operating Report Page 3 ATTACHMENT III UNIT SHUTOOWNS AND POWER REDUCTIONS DOCKET NO.:
50/395 UNIT:
V. C. SUMMER I DATE:
08/01/88 COMPLETED BY:
J. W. HALTIWANGER TELEPHONE:
(803) 345-4297 JULY 1988 Method of TYPE Shutting F or S Duration Down the Corrective Actions /
No.
Date Reason Forced or (Hours)
Reactor or Comments Scheduled Reducing Power 6
880705 F
0.0 A
5 Repair Reactor Coolant Drain Tank Pump.
7 880726 F
47.8 H
3 Trip resulted from an equipment malfunction in conjunction with personnel errors.
Additional administrative controls were implemented and plant startup initiated.
i l
l
Document Control Desk July Monthly Operating Report Page 4 ATTACHMENT IV NARRATIVE
SUMMARY
OF OPERATING EXPERIENCE DOCKET NO.:
50/395 UNIT:
V. C. SUMMER I DATE:
08/01/88 COMPLETED BY:
J. W. HALTIWANGER TELEPHONE:
(803) 345-4297 T
JULY 1988 On July 1, 1988, V. C. Summer Nuclear Station, Unit 1, was operating at approximately 100 percent power.
On July 5 at 1130 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.29965e-4 months <br />, power was temporarily reduced to about 40 percent to allow repair of the Reactor Coolant Orain Tank pump.
On July 26 at 0924 hours0.0107 days <br />0.257 hours <br />0.00153 weeks <br />3.51582e-4 months <br />, the rea: tor tripped during testing of the reactor trip breaker. A similar event occurred on June 1, 1988. An equipment problem associated with the "B" reactor trip breaker main control board switch has been determined to be the root cause of both events; however, the July 26 trip occurred because corrective actions implemented as an interim solution to the permanent equioment fix were not fully utilized.
On July 28 at 0124 hours0.00144 days <br />0.0344 hours <br />2.050265e-4 weeks <br />4.7182e-5 months <br />, the plant was critical and the generator was placed on line at 0915 hours0.0106 days <br />0.254 hours <br />0.00151 weeks <br />3.481575e-4 months <br />.
The plant ran at approximately 100 percent power for the remainder of July 1988.
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Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555 ATTN: Mr. Learned W. Barry EUBJECT: Virgil C. Summer Nuclear Station Docket No. 50/395 Operating License No. NPF-12 July Monthly Operating Report Gentlemen:
Please find enclosed the July 1988 Monthly Operating Report for the Virgil C.
Summer Nuclear Station Unit No. 1.
ThiJ 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 yuur convenience.
Very truly yours, to i
O. S. Bradham AMM:JWH:0SB/ led Attachments pc:
D. A. Nauman/0, W. Dixon, Jr./T. C. Nichols, Jr./J. G. Connelly, Jr.
E. C. Roberts W. A. Williams, Jr.
INPO Records Center J. Nelson Grace ANI Library J. J. Hayes, Jr.
L. N. Carter General Managers R. E. Rainear C. A. Price /R. M. Campbell, Jr.
J. W. Flitter R. B. Clary Marsh & McLennan K. E. Nodland NSRC J. C. Snelson NPCF RTS RG880002)
File (818.03-1)
G. O. Percival
(
R. L. Prevatte J. B. Knotts, Jr.
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