ML20133H142

Monthly Operating Rept for May 1985

ML20133H142
Person / Time
Site:	Beaver Valley
Issue date:	05/31/1985
From:	Carey J, Smith P DUQUESNE LIGHT CO.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
NUDOCS 8508090206
Download: ML20133H142 (8)

Text

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NARRATIVE

SUMMARY

OF MONTHLY OPERATING EXPERIENCE May 1985 May 1 The Station was in Mode 5 as repair work continued on the through upper manway of the Pressurizer.

May 3 May 4 Repair work was completed on the upper manway of the through Pressurizer and the Station entered Mode 4 at 1805 hours0.0209 days <br />0.501 hours <br />0.00298 weeks <br />6.868025e-4 months <br /> on May 5 the 4th. The Station entered Mode 3 at 0420 hours0.00486 days <br />0.117 hours <br />6.944444e-4 weeks <br />1.5981e-4 months <br /> on the 5th.

May 6 The Station entered Mode 2 at 0125 hours0.00145 days <br />0.0347 hours <br />2.066799e-4 weeks <br />4.75625e-5 months <br />. The Unit was tripped, maintaining the reactor critical, at 0438 hours0.00507 days <br />0.122 hours <br />7.242063e-4 weeks <br />1.66659e-4 months <br /> due to high turbine beari ng vibrations. A turbine balance move was performed and at 1141 hours0.0132 days <br />0.317 hours <br />0.00189 weeks <br />4.341505e-4 months <br /> the Main Unit Generator was synched to the grid. At 1153 hours0.0133 days <br />0.32 hours <br />0.00191 weeks <br />4.387165e-4 months <br /> a reactor trip occurred due to Lo-Lo steam generato r level. The Station entered Mode 2 at 1923 hours0.0223 days <br />0.534 hours <br />0.00318 weeks <br />7.317015e-4 months <br />. The Main Unit Generator was synched to the grid at 2114 hours0.0245 days <br />0.587 hours <br />0.0035 weeks <br />8.04377e-4 months <br />.

May 7 Power level was increased reaching a nominal 100 percent at 0436 hours0.00505 days <br />0.121 hours <br />7.208995e-4 weeks <br />1.65898e-4 months <br />. Reactor Coolant System was at normal operating pressure ar

• temperature.

May 8 The Station was in Operational Mode 1 with reactor power at through a nominal 100 percent. Reactor Coolant System was at normal May 16 operating pressure and temperature.

May 17 At 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br /> power level was reduced to approximately 85 percent to perform the Turbine Throttle, Governor, Reheat Stop and Intercept Valve, Operating Surveillance Test. The Unit returned to a nominal 100 percent power level at 1757 hours0.0203 days <br />0.488 hours <br />0.00291 weeks <br />6.685385e-4 months <br />.

May 18 The Station was in Operational Mode 1 with Reactor Power through at a nominal 100 percent. Reactor Coolant System was May 22 at normal operating pressure and temperature.

8508090206 850531 gDR ADOCK 0500 4 1

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i May 1985 Summary of Monthly Operating Experience May 23 At 1704 hours0.0197 days <br />0.473 hours <br />0.00282 weeks <br />6.48372e-4 months <br /> power level was reduced due to low condenser vacuum and high hotwell temperature caused by the mispositioning of two blow-down valves. Power level was maintained at approximately 58 percent until condenser vacuum recovered and hotwell tempera ture decreased. The Unit returned to a nominal 100 percent power level at 2248 hours0.026 days <br />0.624 hours <br />0.00372 weeks <br />8.55364e-4 months <br />.

May 24' The Station was in Operational Mode 1 with Reactor Power through at a nominal 100 percent. Reactor Coolant System was at May 31 normal operating pressure and temperature.

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e Major Maintenance

1. Repair l'eak on Pressurizer upper manway.

2. Clean / Inspect Condensate Pump Motor (CN-P-1B].

3. Clean / Inspect Heater Drain Pump [SD-P-1A).

4. Inspect Condenser Hotwell.

OPERATING DATA REPORT DOCKET NO. 50-334 DATE _6/ 7 / 85 COMPLETED BY P. A. S:nith

. TELEPHONE. 417 '41-1825 OPERATING STATUS

1. Unic Name: Beaver Valley Power Station. Unit #1 Notes

2. Reporting Period: Mav. 1985

3. Licensed Thermal Power (MWt): 2'40

4. Nameplate Rating (Gross MWe): 923

5. Design Electrical Rating (Net MWe): 835

6. Maximum Dependable Capacity (Greu MWe): 860

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. If Any (Net MWe): None

10. Reasons For Restrictions. lf Any: N/A This Month Yr..to.Ds te ' Cumulative

11. Hours In Reporting Period 744 3623 79.631

12. Number Of Hours Reactor Was Critical 614.9 3304.7 40,660.4

13. Reactor Reserve Shutdown Hours 0 0 4,482.8

14. Hours Generator On Line 603.0 3163 39,245.9 IS. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 1,568,263 7,381,609 90.780.122.6

17. Gross Electrical Energy Generated (MWH) 502,000 2.373.000 28,867.400

18. Net Electrical Energy Generated (MWH) 472,030 2,218,140 26,842,983

19. Unit Service Factor 81.0 87.3 51.6

20. Unit Asailability Factor 81.0 87.3 51.6

21. Unit Capacity Factor (Using MDC Net) 78.3 75.6 45.1

22. Unit Capacity Factor (Using DER Net) 76.0 73.3 43.7

23. Unit Forced Outage Rate 19.0 10.5 25.9

24. Shutdowns Scheduled Over Next 6 Months (Type. Date,and Duration of Each):

N/A

- 25. If Shut Down At End Of Report Period. Estimated Date of Startup:

26. Units in Test Status (Prior to Commercial Operationi: Forecast Achieved INITIAL CRITICALITY N/A N/A INITIA L ELECTRICITY N/A N/A COMMERCIA L OPERATION N/A N/A (9/77)

AVERAGE DAILi UNIT ?OWER LEVEL DOCK*T NO. 50-334 UNIT l'? S **~ L ~ 'l DATE June 7, 1985 COMPLETED SY P. A. Smith TELEPHONE (412) 613-1825 i

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

I O 788

[7 2 0 831 13 3 0 gg 789 4 .0 787 20 5 0 7gg 33 6 0 830 3

748 705 j 33 g 793 830 34 9 788 789 25 10 788 788 26 Ig 829 788 27 12 786 788 33 13 829 830 29 14 788 789 30 15 787 745 33 16 787 i

l . .

l l INSTRUCTIONS On this form:t.!ist the average d:ily unit power le.e! in MWe Net Sr each day in the reporting month. Coinpute to the ne: rest whole rnepwsst.

l (W77) i

UNITSHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-314 UNIT NAME BVpS Unit #1 DATE June 7, 1985 REPORT MONilg May COMPLETEli RY P. A. Smith TELErilONE (412) 643-1825 cm w oo o 3* "c 03U Licensee 4 Cause & Corrective No. Date ". N$ 3 3UE Event 0e 5-$ Action to R

!;5 5 .E " Report # $3 0"O Prevent Recurrence

. $~5 N O 8

19 850401 F 124.6 A 4 N/A CB VESSEL The Station remained off line due to a leak on the upper manway of the pressurizer. The leak was repaired and the pressurizer returned to service.

20 850406 F 7.1 A 1 N/A HA TURBIN Excessive turbine bearing vibrations l during startup after pressurizer outage.

, A turbine balance move was performed and the station returned to service at 11:41 hours on the 6th, 21 850506 F 9.4 A 3 85-77 III GENERA A reactor trip occurred at 11:53 hours due to Lo-Lo steam generator level. The station was back on line at 2114 hours0.0245 days <br />0.587 hours <br />0.0035 weeks <br />8.04377e-4 months <br /> on the 6th.

1 2 f: F.uscJ 3 4 Reason : Hethod:

S' S(hedu'cil 1:sinbit G. Instenstions A-Figuipment Failure (I uplain) 1-Manual fin Psepa'J'ean i'l Data B Maintenance sii Test 2-Manua1 Scra.

C Refueling I ntr> Shecis for 1.isemcc 3-Automatic Scram Fsent Rep"'s 11110 I alc t NilRI G D RcFulains) Resisictiin' 4-Continued From Previous Month tilbli i Opesaliu Tealning A I.icense l'xamistation 8 5-Reiuction i Adnunisisative 9-Other 5

t. Operalianut I isus 11 aplain t IsInhet1 Same,Nnuse l'8/77) 11 Ollies llNplain t s.

e UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-314 UNIT NAME BVPS Unit #1 DA1E June 7, 1985 REPORT MON ilg MAY COMPLETED BY P. A. Smith TELEPHONE (412) 643-1825 m

c^ w 60 o o"

"c 0 3 tj Licensee 4 Cause & Corrective No. Date ". %5 0 3UE Event  ! as S$ Action to H

R a

$5 E f .E " Report # $3 $O Prevent Recurrence M

ymG CU 8 o

a 22 850517 S 0 B 5 N/A HA TURBIN The station reduced power to perform the Turbine Throttle, Governor, Reheat Stop and Intercept Valve Test.

23 850523 F 0 C 5 85-85 III VALVE X The station reduced power after the mispositioning of two blowdown valves caused low condenser vacuum and high hotwell temperature.

The valves were correctly positioned and the station returned to full power at 2248 hours0.026 days <br />0.624 hours <br />0.00372 weeks <br />8.55364e-4 months <br /> on the 23rd.

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1 2 3 4 F: F.n sed Reasim: Method: Eshibis G-Insanistiims 5 S(hedn!cil A-Equipment Failure (f.xplain) 1-Manual fin Picparasi.m os Data B-Maintenance of Test 2-Manual Scram I nis) Sheets sin i.e.riisec C-Refueling 3-Automatic Scram l $esit Repost ti l R 8 l dc IN18HI G D Regulatus) Resseittiem 4-Continued From Previous Month 018 11 I Openalin Tsaining A 1.isense I xaminasisin 5-Reduction 1 Adnunistrative 9-Other 5 .

G Operatiimal I seus 11 aplaint I sinint 1 - S.nne kunse P8/77) II Olhes flNplainI s.

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'Af Telephone (412) 393-6000 Nuclear Group P.O. Box 4 Shippingport, PA 15077-0004 Beaver Valley Power Station, Unit No.1 Docket No. 50-334, License No. DPR-66 Monthly Operating Report U. S. Nuclear Regulatory Commission Director, Office of Management Information & Program Control Washington, D. C. 20555 Gentlemen:

In accorda nce with Appendix A. Technical Specifications, the Monthly Operating Report is submitted for the month of May,1985.

Very truly yours, J.

Vice President Nuclear Group rw Enclosures cc: NRC Regional Office King of Prussia, PA

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