ML20138A817

Monthly Operating Rept for Sept 1985

ML20138A817
Person / Time
Site:	Beaver Valley
Issue date:	09/30/1985
From:	Smith P DUQUESNE LIGHT CO.
To:
Shared Package
ML20138A815	List: ML20138A809 ML20138A817 ML20138A823
References
NUDOCS 8512120118
Download: ML20138A817 (7)

Text

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NARRATIVE

SUMMARY

OF l MONTHLY OPERATING EXPERIENCE September 1985 i

September 1 The Unit entered the mcnth in Mode 5 as a result of a reactor trip / safety injection due to a loss of instrument air which occurred on August 29, 1985. Plant heat up began on the 1st with the Unit entering Mode 4 at 1730 hours0.02 days <br />0.481 hours <br />0.00286 weeks <br />6.58265e-4 months <br />.

September 2 Plant heat-up continued with the Unit entering Mode 3 at 0108 hours0.00125 days <br />0.03 hours <br />1.785714e-4 weeks <br />4.1094e-5 months <br />.

September 3 Plant heat-up continued wi th reactor criticali ty achieved at 1247 hours0.0144 days <br />0.346 hours <br />0.00206 weeks <br />4.744835e-4 months <br /> and the Unit being synched to the grid at 1411 hours0.0163 days <br />0.392 hours <br />0.00233 weeks <br />5.368855e-4 months <br />.

September 4 The Station operated at a reduced power level of approximately 57 percent as a result of maintenance being performed on feedwater pump [ FW-P-1A).

September 5 Repai rs to feedwater pump [ FW-P-1A] were completed at 1153 hours0.0133 days <br />0.32 hours <br />0.00191 weeks <br />4.387165e-4 months <br /> and power level was subsequently increased to a nominal 100 percent.

September 6 The Station was in Operational Mode 1 with reactor power through at a nominal 100 percent. Reactor Coolant System was September 15 at a normal operating pressure and temperature.

September 16 Inadve rtant grounding of Vital Bus #2 caused the Loop B OTAT and OPAT bistables to trip producing a reactor trip at 1026 hours0.0119 days <br />0.285 hours <br />0.0017 weeks <br />3.90393e-4 months <br />. The reactor achieved criticality at 2203 hours0.0255 days <br />0.612 hours <br />0.00364 weeks <br />8.382415e-4 months <br /> and the Unit was synched to the grid at 2328 hours0.0269 days <br />0.647 hours <br />0.00385 weeks <br />8.85804e-4 months <br />.

September 17 The Station was in Operational Mode 1 with reactor through power at a nominal 100 percent. Reactor Coolant September 25 4 System was at normal operating pressure and temperature.

8512120118 DR 851003 ADOCK 05000334 PDR 1

September 1985 Summary of Monthly Operating Experience September 26 At 1023 hours0.0118 days <br />0.284 hours <br />0.00169 weeks <br />3.892515e-4 months <br /> the plant P250 computer began reading N42 and N43 approximately 20 percent low. This resulted in two channels calculating an erroneous targeta 0. At 1120 hours0.013 days <br />0.311 hours <br />0.00185 weeks <br />4.2616e-4 months <br /> operators noticed the rod position indicators (RPI's) for control banks C and D reading 200 steps with the rods actually at 228 and 225 steps. At 1125 hours0.013 days <br />0.313 hours <br />0.00186 weeks <br />4.280625e-4 months <br />, the interaction between the plant variable computer and the plant P250 com t deenergized and both the RPIs and the awere operations monitor no$pu returned to normal.

er was Plant t affected by this event.

September 27 The Station was in Operational Mode I with reactor through power at a nominal 100 percent. Reactor Coolant System September 30 was at normal operating pressure and temperature.

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OPERATI G DATA REPORT DOCKET NO. 50-334 DATE 10/3/63 COMPLETED BY P. A. Smith

, TELEPHONE. 417-641-1825 OPERATING STATUS l

I. Unit Name: Beaver Valley Power Station, Unit il Notes September 1985

2. Reporting Period:

3. t l===d Thermal Power (MWt): 2W

4. Nameplate Rating (Gross MWe): 923

5. Design Electrial Rating (Net MWe): 835

6. Maximum Dependable Capacity (Gross MWe): 860

7. Maximum Dependable Capacity (Net MWe): 810

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

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

10. Reasons For Restrictions,if Any: N/A This MontJi Yr. tete ' Cumulative

11. Hours In Reporting Period 720.0 6',551.0 82,559.0

12. Number Of Hours Reactor Was Caitical 647.6 6,062.2 43,417.9

13. Reactor Reserve Shutdown Hours 0.0 0.0 4.482.8

14. Hours Generator On-Line 644.8 5.915.0 41.997.9

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1.627.823.0 14,513,009.9 97,911,523.9

17. Gross Electrical Energy Generated (MWH) 517,000.0 4,657,000.0 31,151,400.0

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18. Net Electrical Energy Generated (MWH) 485.300.0 4.366.550.0 28,991,393.0

19. Unit Service Factor 89.6 90.3 53.3

20. Unit Availability Factor 89.6 90.3 53.3

21. Unit Capacity Factor (Using MDC Neti 83.2 82.3 46.9

22. Unit Capacity Factor iUsing DER Net) 80.7 79,8 45.5

23. Unit Forced Outage Rate 10.4 g,5 24.8

24. Shutdowns Scheduled Over Next 6 Months ! Type.Dete.snd Duration of Eacht:

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

26. Units in Test Status (Priur to Commercial Operationi: Forecast Achieved INITIA L CRITICALITY N/A N/A INITIA L ELECTRICITY N/A_ N/A COMMERCIAL OPERATION N/A N/A 4 <,,77) 1

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t MAJOR MAINTENANCE

1. Maintenance of Feedwater Pump [FW-P-1 A] .

2. Repaired Main Steam Trip Valves [TV-MS-101B] and [TV-MS-101C].

3. Maintenance of Station Air Compressor [SA-C-1A] and [S A-C-1B] .

4. Inspected and repaired Steam Driven Auxiliary Feedwater Pump [FW-P-2].

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. . l AVERAGE DAll UNIT POWER LEVEL. l t

DOCKET NO. 50~334 l UNIT 3V?S U::1: 41 DATE 10/3/85  :

COMPLETED BY P.A. Smith TELEPHONE (412) 643-1825 SEPTEMBER Mom DAY AVERACE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL

(MWe-Net) (MWe-Net) g 0 667 37 0 788 2 18 l 3 135 39 827 784

" 20 582

$ 784 23 783 6 785 7

22 7 785 784 73 4

g 783 24 786 785 9

25 789 742 10 26 788 II 827 829 27 12 747 j

28 789 788 13 1 39 i- 14 790 787 30 15 789 31 i

t 16 .339 INSTRUCTIONS t

On this format. fist the average d:ily unit power le.c!!n MWe. Net Or esch day in the reputtine month. Compute to the ne: rest whole mepwatt.

I 19/77 )

. _ _ . , _ - ~ . . _. . _ . , _ . _ _ . _ _ . _ . . . . _ . _ _ _ - . . , _ . . . _ _ _ . . _ . _ _ - _ . _ _ _ . - _ - _ _ _ _ , _ . . . _ _ . _ _ _ _ - _ - _ - . _ .

UNITSHUTDOWNS ANDPOWER REDUCTIONS DOCKET NO. 50-334 UNIT NAME BVPS Unit #1 DATE 10/3/85 COMPLETED BY P. A. Smith REPORT MONIH SEPTEMBER TELEPilONE (412) 643-1825 en *#o "u "

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• N Licensee

• g C .0 t ,a e Cause, & Corrective No. Date #

e %5 . 3UE Event !e Action to R "5 l 5 ,E " Report # $3 eo Prevent Recurrence H E M y*y NU O 8

30 850901 F 62.2 A 4 85-015 AIRDRY PA The Station remained off line follow-ing a reactor trip / safety injection due to a loss of instrument air caused by a broken line on the instrument air dryer.

Repairs were made and the Station returned to service at 1411 hours0.0163 days <br />0.392 hours <br />0.00233 weeks <br />5.368855e-4 months <br /> on the 3rd.

31 850903 F 0 B 5 N/A CH PUMPXX The Station was operating at s' reduced power level as a result of maintenance being performed on feedwater pump [FW-P-1A].

(CONTINUED) 1 2 3 4 F: F used Reasam: Hethod: 1.mlubit G . Insisus siims S Schedueil 8

A-Eiguipment Failure (Emplain) 1-Manual fin Psepasasi.m os Dana B. Maintenance of Test 2-Manual scree I nis) Sheels l'w I kernce C Refuelint 3-Automatic Scram F$cn' Relant 81 l'RII de INllRI G D-Regulatoey Restricii.* 4-Continued From Frevious Month Ultill I Openalais Tsaining A license Examinati" 5-Ite<'uc tion I: Adnunistrative 9-Other 5 .

G Operatiimal I s eios 11 aplaml I sinhis I Same S. misc 08/77) II OtherflN plaiul

, UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-334 UNIT NAME BVPS Unit il DATE - 10/3/85 REPORT MONIH SEPTEMBER COMPLETED BY P. A. Smith TELErtlONE (412) 643-1825 cn  % MO S "

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a 0 ." t Licensee $#5 Cause, & Corrective No. Date  %  %$ 'E t', E R

S "5

0 5 5 .E "

Event Report #

f4 e o ao Action to H M y*g NU O Prevent Recurrence e

31 (CONTINUED) Repairs to feedwater pump [FW-P-1A]

completed at 1153 hours0.0133 days <br />0.32 hours <br />0.00191 weeks <br />4.387165e-4 months <br /> on the 5th and power level was subsequently increased.

32 850916 F 13.0 A 3 85-016 i EG ZZZZZZ Inadvertant ground ing of Vital Bus 2 (

, caused a reactor trip at 1026 hours0.0119 days <br />0.285 hours <br />0.0017 weeks <br />3.90393e-4 months <br />.

' The Station returned to service at 4

2328 hours0.0269 days <br />0.647 hours <br />0.00385 weeks <br />8.85804e-4 months <br /> on the 16th.

1 1 1 2 F F.uted 3 4 Reas m: Method:

S- Schedu8cd Exhibil G - Insinut siims A Equipment Failure (Explain) t-Manual fin Pseparais.m of Data

B-Maintenance e*i Test 2-Manual seraan C RefuelinE l~rier) Shetislo'I*en5cc 3-Automatic Scram Fseni Rep.wo Il l'RII de q NtIRI G D Regidanoi> Restslctiim l, l' Openalis Tsaining A liciise l'xaniinati" 4-Continued From Previous Month (llfil l I Adminisssative 5-Reduction 9-Other 5 G Operatiusial I isne il aplain t I sluhis 1 - Sanw,Sunse l'8/77) ll Oshes flitplaini i

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