ML20039G268

Monthly Operating Rept for June 1981

ML20039G268
Person / Time
Site:	Beaver Valley
Issue date:	07/02/1981
From:	Timko D DUQUESNE LIGHT CO.
To:
Shared Package
ML20039G266	List: ML20039G265 ML20039G268
References
NUDOCS 8201150448
Download: ML20039G268 (4)

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OPERATING DATA REPORT DOCKET NO. 50-334 DATE COMPLETED BY D. R. Tinko TELEPHONE.

OPERATING STATUS j N'888

1. Unit Name: Beaver Valley Power Station, Unit #1

. Tune, 1981

2. Reportieg Period:

3. Licensed Thermal Power (MWt): 7660 i

4. Nameplate Rating (Gross MWe): 923

5. Design Electrical Rating (Net MWe): 852

6. Maximum Dependable Capacity (Gross MWe):

845

7. Maximum Dependable Capacity (Net MWe): 810

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report. Give Reasons:

9. Power Level To Which Restricted.lf Any (Net MWe): None

10. Reasons For Restrictions.lf Any: N/A li) .ji

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1his Month Yr to.Date C

, (, I4343 ITS,327 /fuulatY,N'I 2

11. Hours in Reporting Period 720  % /45,287

12. Number Of Hours Reactor Was Critical 720 2607.21 \ / 17,138.88 0 0 /

i 4,482.8

13. Reacter Reserve Shutdown Hours

14. Hours Gencrator On-Line 720 2553.34 /  ; 16,260.39

15. Unit Reserve Shutdown Hours 0 0 of q u

16. Cross Thermal Energy Generated (MWH) 1 R76 - 754 49 -6 2 /+ 1 21' ' . / n 3C't!W,103E

17. Cross Electrical Energv Generated (MWH) 604 500 2.017.200 10.644,540 l , _ ,

l IS. Net Electrical Energy Generated (MWH) 568.305 1.858.797 9,720,301

19. Unit Service Factor 100 58.8 37.2

20. Unit Availability Factor 100 58.8 37.2

21. Unit Capacity Factor (Using MDC Net) 47 6 99R 29.6

22. Unit Capacity Factor (Using DER Net) 49.6 50.2 28.2

23. Unit Forced Outage Rate 0 41.2 45.2 l

24. Shutdowns Scheduled O<er Next 6 Morths (Type.Date.and Duration of Eacht:

Snubber inspectinn /petober 1/3 davs

25. If Shut Down At End Of Report Period. Estimated Date of Startup: N/A

26. Units In Test Status (Prior to Commercial Operation): Forecast A6nieved INITIAL CRITICALITY N/A N/A INITIAL ELECTRICITY N/A_ N/A COMMERCIAL OPERATION N/A N/A (9/77) s201150448 s10707 PDR ADOCK 05000334 R pop

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AVER AGE D AILY UNIT POWER LEVEL DOCKET NO.

50-334 UNIT BVPS Unit #1 DATE .T ol v ?. 19R1 COMPLETED BY D. R. Ticko TELEPHONE MONTH Jtme. 1981 DAY AVERAGE DAILY POWER LEVEL DAY AVER AGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 812 37 804-2 804 33 787 3 803 39 787 4 800 20 787 5 Rna 21 779 6 Rnt 22 7R7 804 783 7 23 g 812 24 7g7 9 795 25 770 10 791 26 796 11 796 27 796 12 791 791 28 ,

13 779 29 783 I4 30 766 15 758 3 I6 7R1 INSTRUCTIONS On this format.!:st the average d:.ily unit power leselin MWe. Net for each day in the reporting month. Compute o the nearest whole megawatt.

(9/77)

...m

4 DUQUESNE LIGHT COMPANY Beaver Valley Power Station l

~

i NARRATIVE

SUMMARY

OF MONTHLY OPERATING EXPERIENCE - MAY, '1981 I

June 1 Station in Operational Mode 1 at nominal full reactor power level.

I through June 5 1

F June 6 Station in Operational Mode l' at nominal full reactor power. At

through 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br />, a manual isolation valve in the safety rejection' system l June 13 was found shut, rather than-locked open. The two-man rule for access to vital areas was placed into effect at 0145 hours0.00168 days <br />0.0403 hours <br />2.397487e-4 weeks <br />5.51725e-5 months <br /> and by 0215 hours0.00249 days <br />0.0597 hours <br />3.554894e-4 weeks <br />8.18075e-5 months <br />, 1

guards were stationed at the entrance to the Auxiliary Building to limit access. Began inspections of safety-related equipment to verify proper equipment and valve alignments and proper positioning of switches and circuit breakers.

June 14 Station in Operational Mode 1 at nominal full reactor power.. At 1257 1 through hours on June 14, the power level was reduced from 100% due to an June 15 indicated power tilt in the reactor core. This indicated tilt was due to an erroneous reading from one of the nuclear instrumentation channels rather than an actual reactor core imbalance. The power level ,

was stabilized at 88% power at 1416 hours0.0164 days <br />0.393 hours <br />0.00234 weeks <br />5.38788e-4 months <br />. The instrument channel was checked and the error was corrected. An increase in the power level was begun at 1500 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.7075e-4 months <br /> and full power was reached by mid-day. .

June 16 Station in. Operational Mode 1 at nominal full reactor power.

through.

! ' June 30 l

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DUQUESNE LIGHT COMPANY Beaver Valley Power Station SAFETY-RELATED MAINTENANCE - JUNE 1981

1. The oil reservoir for the IC Reactor Coolant Pump motor was filled on June 6, 11, 20 and 28.

2. The containment personnel airlock coor seals were repaired en June 22.

3. A bearing on the IB charging pump was repaired after an oil leak was noticed.

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