ML20151W161
| ML20151W161 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 08/31/1998 |
| From: | Lash J, Rishel R CENTERIOR ENERGY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| CCN:-P-6-98-08, CCN:-P-6-98-8, NUDOCS 9809150201 | |
| Download: ML20151W161 (3) | |
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9" Daws-Besse Nuclear Power Station
- ~ ' g g 5501 North State Route 2 m
Oak Harbor, Ohio 43449-9760 s-September 11,1998 CCN: P-6-98-08 I
Document Control Desk i
U. S. Nuclear Regulatory Commission One White Flint North 1
11555 Rockville Pike Rockville, MD 20852-2738 i
Ladies and Gentlemen:
Monthly Operating Report, August 1998 j
Davis-Besse Nuclear Power Station Unit 1 j
Enclosed is a copy of the Monthly Operating Report for the Davis-Besse Nuclear Power Station for the month of August 1998.
If you have any questions, please contact E. C. Matranga at (419) 321-8369.
Very truly yours, O 1) nes II. Lash Plant Manager Davis-Besse Nuclear Power Station i
i ECM/ljk l
s Enclosure cc:
J. L. Caldwell NRC Region III Acting Administrator A. G. liansen NRC Project Manager S. J. Campbell NRC Senior Resident inspector
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.* 0 C U L. 5 9909150201 99093f" PDR ADOCK 05000346 R
PDR.
OPERATING DATA REPORT DOCKET NO.
50-0346 UNIT NAME Davis-Besse Unit 1 DATE September 1,1998 COMPLETED BY R. Rishel TELEPHONE 419-321-8369 REPORTING PERIOD August,1998 YEAR IQ MONTH DATE CUMULATIVE 1 Design Electrical Rating (MWe-Net).
906 The nominal not electrical output of the unit specified by the utility and used for the purpose of plant design.
2 Maximum Dependable Capacity (MWe-Net).
873 The gross electrical output as measured at the output terminals of the turbine-generator during the most restrictive seasonal conditions minus the normal station service loads.
3 Number of Hours the Reactor Was Critical.
744.0 4,515.1 118,947.2 The total number of hours during the gross hours of the reporting period that the reactor was critical.
4 Number of Hours the Generator Was On Line.
744.0 4,479.4 116,567.2 (Also called Service Hours). The total number of hours during the gross hours of the reporting period that the unit operated with breakers closed to the station bus.
The sum of the hours the generator was on line plus the total outage hours should j
equal the gross hours in the reporting period.
l 5 Unit Reserve Shutdown Hours.
0.0 0.0 5,532.0 The total number of hours dunng the gross hours of the reporting period that the unit was removed from service for economic
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or similar reasons but was available for operation.
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6 Net Electrical Energy (MWH).
656,816 3,714,067 93,940,624 The gross electrical output of the unit measured at the output terminals of the turbine-generator minus the normal station i
service loads during the gross hours of
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the reporting period, expressed in mega-watt hours. Negative quantities should not be used.
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UNIT SHUTDOWNS DOCKET NO.
m UNIT NAME Davis-Besse #1 DATE September 1,1998 COMPLETED BY R. Rishel REPORTING PERIOD: Auaust_1998 TELEPHONE (419) 321-8369 NO.
DATE TYPE DURATION REASON (1)
METHOD OF CAUSE! CORRECTIVE ACTIONS F: FORCED (HOURS)
SHUTTING S: SCHEDULED DOWN (2)
COMMENTS No Unit shutdowns
SUMMARY
Reactor power was maintained at approximately 100% full power for the majority of the month. On August 23,1998, at 0305 hours0.00353 days <br />0.0847 hours <br />5.042989e-4 weeks <br />1.160525e-4 months <br />, reactor power was reduced to approximately 92%, to perform turbine valve testing. After the completion of the testing power was increased to 100%.
Reactor power of 100% was achieved at 0451 hours0.00522 days <br />0.125 hours <br />7.457011e-4 weeks <br />1.716055e-4 months <br /> on August 23,1998.
i (1) Reason:
(2) Method:
A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Trip / Scram C-Refueling 3-Automatic Trip / Scram i
D-Regulatory Restriction 4-Continuation E-Operator Training & License Examin 5-Other (Explain)
F-Administrative G-Operational Error (Explain)
H-Other (Explain)
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