ML20077P181

Monthly Operating Repts for Jul 1991 for Beaver Valley Power Station Units 1 & 2

ML20077P181
Person / Time
Site:	Beaver Valley
Issue date:	07/31/1991
From:	David Jones DUQUESNE LIGHT CO.
To:
Shared Package
ML20077P113	List: ML20077P109 ML20077P181
References
NUDOCS 9108150307
Download: ML20077P181 (10)

Text

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IU@RATIVE SLM4ARY OF

}Otm!LY OPERATDM EXPD11DK'E LNIT I JULY 1991 July 1 The unit remained in Modo 3 for the unit's 8th refuelirg through outago.

July 2 July 3 At 1916 hours0.0222 days <br />0.532 hours <br />0.00317 weeks <br />7.29038e-4 months <br /> the unit entered Modo 4.

July 4 At 0205 hours0.00237 days <br />0.0569 hours <br />3.38955e-4 weeks <br />7.80025e-5 months <br /> the unit entered Mode 5 to repair a leaking 03OSFAL on the reactor vessel's head.

' July 5 -

The unit remained in Mode 5 to repair a leakdtg C0tOSEAL on through the reactor vessel's head.

July 7 July 8 At 1759 hours0.0204 days <br />0.489 hours <br />0.00291 weeks <br />6.692995e-4 months <br /> the unit entered Mode 4.

July 9 At 1327 hours0.0154 days <br />0.369 hours <br />0.00219 weeks <br />5.049235e-4 months <br /> the unit entered Mode 5 to repair leaking steam dunp valves and to perforts weld ingaections.

July 10

'Ihe unit remained in Mode 5 to repair leakire steam t

through dunp valves.

July 12 July:13 At 0730 hours0.00845 days <br />0.203 hours <br />0.00121 weeks <br />2.77765e-4 months <br /> the unit entered Mode 4.

At 1750 hours0.0203 days <br />0.486 hours <br />0.00289 weeks <br />6.65875e-4 months <br /> the unit entered Mode 3.

- July 14

'1he unit remained in Mode 3 to prepare to enter Mode 2. -

through July 16 July 17 At 1505 hours0.0174 days <br />0.418 hours <br />0.00249 weeks <br />5.726525e-4 months <br /> the reactor was taken critical.

July 18 At 0455 hours0.00527 days <br />0.126 hours <br />7.523148e-4 weeks <br />1.731275e-4 months <br /> the unit entered lede 3 to replace defective fuses in the "BD" Rod control Power Cabinet. At 1304 ha.trs the rr. actor was taken critical.

July 19

-At 1451 hours0.0168 days <br />0.403 hours <br />0.0024 weeks <br />5.521055e-4 months <br /> the unit entered Mode 1.

July 20 At 1414 hours0.0164 days <br />0.393 hours <br />0.00234 weeks <br />5.38027e-4 months <br /> the unit was syrduudzed and output was-escalated to a nominal value of 10%. At 1743 hours0.0202 days <br />0.484 hours <br />0.00288 weeks <br />6.632115e-4 months <br /> the reactor tripped after the "C" Main Feedwater Flow control valve failed to control water level in the Steam Generator.

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July 21 At 0727 hours0.00841 days <br />0.202 hours <br />0.0012 weeks <br />2.766235e-4 months <br /> the reactor was taken critical. At 1836 hours0.0213 days <br />0.51 hours <br />0.00304 weeks <br />6.98598e-4 months <br /> the unit was synchronized and output was escalated at 3% per hour. 'Ihe power escalation was halted at 30% output.

9109150307 910809 FDR ADOCK 050CKG34 R

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!WEATIVE StMWlY OF

)Om!LY OPDRTDJ3 IXPDUDJCE LNIT I Contirmed July 22 The unit cperated at 30% output tc permit core flux mappirg, through July 24 July 25 At 2340 hours0.0271 days <br />0.65 hours <br />0.00387 weeks <br />8.9037e-4 months <br /> the unit's output was ranpod dcun to termit turbine overspeed trip testirg.

July 26 At 0222 hours0.00257 days <br />0.0617 hours <br />3.670635e-4 weeks <br />8.4471e-5 months <br /> the unit was removod frcan service to permit tvrbine overspood trip testin3 At 0531 hours0.00615 days <br />0.148 hours <br />8.779762e-4 weeks <br />2.020455e-4 months <br /> the unit was er nchronized ard output was escalated at_3%_per hour. The puer escalation was halted at 30% to permit improvements to Jteam Generator Secondary Water Chemistry.

July 27 Troubleshooting of the Ele.Ldrydraulic Control System was in progress.

At 0511 hours0.00591 days <br />0.142 hours <br />8.449074e-4 weeks <br />1.944355e-4 months <br /> the unit experienced a 20%

turbine load swirg. At 0512 hours0.00593 days <br />0.142 hours <br />8.465608e-4 weeks <br />1.94816e-4 months <br /> turbine load was restored to 30% output ard stabilized.

At 0655 hours0.00758 days <br />0.182 hours <br />0.00108 weeks <br />2.492275e-4 months <br /> the unit

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experienced a 30% turbine load swing. At 0656 hours0.00759 days <br />0.182 hours <br />0.00108 weeks <br />2.49608e-4 months <br /> turbine i

l load was restored to 30% output ard a plant shutdown was initiated. At 0710 hours0.00822 days <br />0.197 hours <br />0.00117 weeks <br />2.70155e-4 months <br /> the unit tripped after experiencirn l

a 30% turbine load swing.

At 2130 hours0.0247 days <br />0.592 hours <br />0.00352 weeks <br />8.10465e-4 months <br /> the reactor was taken critical.

July 28 At 1649 hours0.0191 days <br />0.458 hours <br />0.00273 weeks <br />6.274445e-4 months <br /> -the unit was synchronized and the unit's output was escalated to 30% output.

At 2130 hours0.0247 days <br />0.592 hours <br />0.00352 weeks <br />8.10465e-4 months <br /> the unit's output was ranped up at 3% per hour, July 29 At 0230 hours0.00266 days <br />0.0639 hours <br />3.80291e-4 weeks <br />8.7515e-5 months <br /> the power escalation was halted at 45% output to permit improvements to-Steam Generator Secondary Water Chemistry.

At 0430 hours0.00498 days <br />0.119 hours <br />7.109788e-4 weeks <br />1.63615e-4 months <br /> the unit's output was ranped up at 3% per hour.

The power escalation was halted-at 62%-

output.

At 1705 hours0.0197 days <br />0.474 hours <br />0.00282 weeks <br />6.487525e-4 months <br /> the unit's output was reduced to 60%

to permit preparirq the "A" Main Foodwater Punp.

July 30 The : unit cperated at 60% output to permit repairs to the through "A" Main Foodwater Punp.

July 31 l

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OPERATING DATA REPORT DOCEET NO.

50 334 REPORT DATE:

08/08/91 COMPLETED P,Y: M.A.WINGER TELEPil0NE:

(412) 393 7621 OPERATING STATUS

1. UNIT NAME: BEAVER VALLEY POWER STATION, UNIT 1 Notes

2. REPORTING PERIOD: JULY 1991

3. LICENSED TilERHAL POWER (MWt):

2652

4. NAMEPLATE RATING (Cross MWe):

923

5. DESIGN ELECTRICAL RATING (Net MWo):

835

6. MAX. DEPENDABLE CAPACITY (Gross MWe):

860

7. MAX. DEPENDABLE CAPACITY (Net MWe);

810

8. IF CllANGES OCCUR IN CAPACITY RATINGS SINCE LAST REPORT, CIVE REASON 5:

9. POWER LEVEL TO WilICll RESTRICTED, IF ANY (Net MWe):

None

10. REASONS FOR RESTRICTIONS, IF ANY:

N/A TlilS MONTil YEAR TO DATE CUMULATIVE

11. Il0URS IN REPORTING PERIOD:

744,0 5087.0 133679.0

12. N4 OF HRS. REACTOR WAS CRITICAL:

308.7 2413.1 82707.5

13. Rl'. ACTOR RESERVE SliUTDOWN 110URS:

0.0 0.0 4482.8

14. IICURS GENERATOR WAS ON LINE:

212.1 2282.6 80827.6

15. UNIT RESERVE SliUTDOWN 110URS:

0.0 0.0 0.0

16. CROSS TilERMAL ENERGY GEN. (MWil) :

223412.0 5539759.0 191828206.5

17. CROSS ELECT, ENERGY GEN. (MWH):

64230.0 1780148.0 61612877.0

18. NET ELECTRICAL ENERGY GEN. (MWil) :

44390.0 1658170.0 57522370.0

19. UNIT SERVICE FACTOR: (PERCENT) 28.5 44.9 62.6 20, UNIT AVAILABILITY FACTOR:(PERCEN1) 28.5 44.9 62.6

21. UNIT CAPACITY FACTOR (MDC): PCT 7.4 40.2 55,9

22. UNIT CAPACITY FACTOR (DER): PCT 7.1 39.0 54.2

23. UNIT FORCED OUTAGE PATE: (PERCENT) 45.5 19.5 16.4

24. SliUTDOWNS SCl!EDULED OVER NEXT SIX MONTilS (TYPE,DATE,AND DURATION OF EACll):

25. IF SEIUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:

26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):

FORECAST ACillEVED INITIAL CRITICALITY N/A N/A INITIAL ELECTRICITY N/A N/A COMMERCIAL OPERATION N/A N/A l

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AVIRAGE DAILY UTIT 1%'IR 11 VEL D00TI' 10.

_50-334 ui1T _DVPS Unit 1 DATE Auqust 9, 1991 CCITIITID BY D.T. Jones TELF1410 TIE (412) 393-7612 IItTIH _JJ11y 1991 DAY AVERAGE DAILY E%'ER LEVEL DAY AVERAGE DAILY TG'ER 11 VEL

(!Ue-! Jet)

(IUe-liet) 1 0

17 0

2 0

18 0

3 0

19 0

4 0

20 0

5 0

21 3

6 0

22 193 7

0 23 176 8

0 24 193 9

0 25 198 10 0

26 139 11 0

27 0

12 0

28 17 13 0

29 415 14 0

30 438 15 0

31 446 16 0

DISTRUCI'IOtJS on this fornat, list the average daily unit pcuer level IUe-!Iet for each day in the reputtirg month. Canpute to the nearest whole regawatt.

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j Uwti SRUTDOWWS AND POWER REDUCTICWS Docket Ne.

50-334

- l Unit name SWPS Unit 81 Date august 9 1991 Completed By M.A. W t mer REPORT MONTR JULY 1991 T?tephone (412) 393-7621 l

Method of Licensee Cause & Ccrrective Duration shutting Event System Component Action to No.

Date Typet (Nours)

Reason 2 Down Reactor 3 Report #

Code 4 Codes Prevent Recurrence 16 910701 5

354.6 C

4 m/A RC FUELEX Unit remained shutdown to complete 8th refueling outage.

17 910715 F

118.7 C

4 W/A RC FUELNK Unit remained shutdom to complete 8th refueling outage.

l 18 910720 F

24.9 A

3 N/A CM VALVEI Unit tripped from 10% output when the f eedwater flow contret valves

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failed to controt levet in the

= team generators.

19 910726 s

2.2 5

5 m/A na Tuustu Unit removed from service to permit turtrine overspeed trip testing.

20 910T27 F

33.7 A

3 h/m CM VALVEM Unit tripped from 30% output when the f eedu.ter flow contret valves f ailed to controt level in the steam geceraters.

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3 4

F-Forced Reason:

Method:

Exhibit G-Instructions for 5-Scheduled A-Equipment Failure (Emplein) 1-Manual Preparation of Data Entry Sheets 8-Maintenance or Test 2-m nual Scram for Licensee Event Report (LER) File a

C-Refueling 3-Automatic Scram (tu2EG0161).

D-Regulatory Restriction 4-Cont'd. from Previous month E-operator Training & License Enam 5-?* duction 5

F-Administrative 9--3t her Emhibit I-Same Source.

G-Operational Error (Emplein) n-Other (Emplain) 4 4

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NAIUaTIVE SLM4ARY OF

)DIfil!LY GP13&TI)K31%PDUIUCE Uti1T II JULY 1991 July 1 At 0005 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> the unit's output was encalatcd to a nomlin1 value of 100% follwirn a load follw at 50% on June 30.

July 2 1ho unit operatcd at a rmim1 value of 100% output.

throu11 July 5 July 6 At 1601 hours0.0185 days <br />0.445 hours <br />0.00265 weeks <br />6.091805e-4 months <br /> the unit'n output was rcduccd to 98% to i@rovo corditions in t.no hotwell, ard returnod to 100%

output at 2000 hours0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br />.

July 7 At 1216 hours0.0141 days <br />0.338 hours <br />0.00201 weeks <br />4.62688e-4 months <br /> the unit's output was rcduced to 97%, then to 95% at 1345 hours0.0156 days <br />0.374 hours <br />0.00222 weeks <br />5.117725e-4 months <br /> ard fimlly to 91% at 1700 hours0.0197 days <br />0.472 hours <br />0.00281 weeks <br />6.4685e-4 months <br /> to i@rovo conditions in the hotwell. 1ho unit was roturned to 100% output at 1930 hours0.0223 days <br />0.536 hours <br />0.00319 weeks <br />7.34365e-4 months <br />.

July 8 The unit operated at a rmiml value of 100% output.

through July 12 July 33 At 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br /> the unit's output was reduced to 50% to load follow.

July 14 At 0900 hours0.0104 days <br />0.25 hours <br />0.00149 weeks <br />3.4245e-4 months <br /> the unit's output was cocalated to a nominal value of 100%. At 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br /> the unit's output was reduced to 97% to i@ rove conditions in the hotwell.

July 15

% unit was returnal to 100% output at 0300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br />.

July 16 1ho unit operated at a rminal value of 100% output, throu@i July 19 July 20 At 1452 hours0.0168 days <br />0.403 hours <br />0.0024 weeks <br />5.52486e-4 months <br /> the unit's output was reduced to 98% to i@ rove corditions in the hotwell. 7ho unit was rostorcd to 100% output at 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br />.

July 2k At 1200 hours0.0139 days <br />0.333 hours <br />0.00198 weeks <br />4.566e-4 months <br /> the unit's output was reduced to 96% to igruvo corditions in the hotwell. 1ho unit was returned to 100% output at 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br />, July 22 At 1124 hours0.013 days <br />0.312 hours <br />0.00186 weeks <br />4.27682e-4 months <br /> the unit's output was reduced to 96% to i

improvo conditions in the hotwell. The unit was returned to 100% output at 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br />.

4 4

!WURTIVE Cat %RY or IOmILY OPDMTING DTIRIDJCE LNIT II Cbntinua:1 July 23 At 1035 hours0.012 days <br />0.288 hours <br />0.00171 weeks <br />3.938175e-4 months <br /> the unit's output was rcduced to 90% to

- 1:tprovo conditions in the hotw ll. 1ho unit was returncd to 100% output at 1420 hatro.

July 24 The unit operated at a rmimi value of 200% output.

through July 31 l

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i OPERATING DATA REPORT DOCKET No.,

50 412 REPORT DATE: 08/08/91 COMPLETED BY: DT JONES TELEPHONE:

(412) 393 7621 OPERATING STATUS

1. UNIT NAME: BEAVEk VALLEY POWER STATION UNIT 2 Notes

2. REPORTING PERIOD: JULY 1991

3. LICENSED TilERMAL POWER (MWt):

2652

4. NAMEPLATE RATING (Gross MWe):

923

5. DESIGN ELECTRICAL RATING (Net MWe):

836

6. MAX. DEPENDABl.E CAPACITY (Gross MWe):

870

7. MAX. DEPENDABLE CAPACITY (Net MWe):

820

8. IF CilANGES OCCUR IN CAPACITY RATINGS SINCE IAST REPORT, GIVE REASONS:

9. POWER LEVEL TO WilICil RESTRICTED, IF ANY (Net MWe):

None

10. REASONS FOR RESTRICTIONS, IF ANY-N/A Tills MONTil YEAR TO DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD:

744.0 5087.0 32462.0

12. NO. OF llRS. REACTOR WAS CRITICAL:

744.0 5087.0 27434,3

13. REACTOR RESERVE SlIUTDOWN 110URS:

0.0 0.0 0.0

14. Il0URS GENERATOR WAS ON LINE:

744.0 5087.0 27248.8

15. UNIT RESERVE S!!UTDOWN 110URS:

0.0 0.0 0.0

16. CROSS THERHAL ENERGY GEN. (MWil) :

1941503.0 13224089.0 66351705.4

17. GROSS ELECT, ENERGY GEN. (HW}l):

618952.0 4236552.0 21273352.0

18. NET ELECTRICAL ENERGY GEN. (MWil) :

586438.0 4016831.0 20060155.0

19. UNIT SERVICE FACTOR: (PERCENT) 100.0 100.0 83.9

20. UNIT AVAILABILITY FACTOR:(PERCENT) 100.0 100.0 83.9

21. UNIT CAPACITY FACTOR (MDC): PCT 96.1 96.3 74.5

22. UNIT CAPACITY FACTOR (DER): PCT 94.3 94.5 73.9

23. UNIT FORCED OUTAGE RATE: (PERCENT) 0.0 0.0 4.3

24. SHUTDOWNS ScilEDULED OVER NEXT SIX MONTilS (TYPE,DATE,AND DURATION OF EACll):

25. IF SHUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:

26, UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):

FORECAST ACilIEVED INITIAL CRITICALITY N/A N/A INITIAL ELECTRICITY N /A___

N/A COMMERCIAL OPERATION N/A N/A

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AVDEE DAILY UllIT 1%E LEVIL DOCKLT 10. _10-412 U!iIT IM'S Unit 2 DATE. AtrAtst 9, 1991 CUY'LLTID BY

,_D.T. Jones TELil110tTf.

(412) 393-75.11, i

MJtTIll July 1991 j

DAY AVDtAGE DAILY IGH LLVEL DAY AVDEC DAILY 1%H LLVIL (Bb-11ct)

(IUo-lict) 1 767 17 798 2

797 18 796 3

799 19 791 I

4 799 20 781 l

5 799 21 778 6

795 22 770 7

777 23 773 8

799 24 798 9

803 25 799 10 799 26 798 11 801 27 805 12 799 28 802 13 785 29 798 14 613 30 803 15 H25 31 805 16 801 l

INm M XTIOllS On-this formt, list the average daily unit power level MM-liet for each day in the reputtirq nonth. Orpute to the nearest whole nogawatt.

tJuif SNUTDOWiss AND POWER REDUCT10sE Docket ta 50-412 t) nit Na.

BVPS Um t al Date August 9 1991 Completed By D.T.

Joces REPORT MOhin JULY 1991 Telephone (412} 393-7612

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Method cf Licensee Cause & Corrective Duration Shutting Event System Cesconent Action to i

i uo.

Cate Typet (pours) acason2 Down acactor3 Report 8 Code 4 Codes Prevent tecurrence 8

910713 5

0 M

n/A ZZ ZZZZZZ aeduced output f rom 100% to 50% to toad fattow.

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F-Forced aesson:

method:

Emhibit F-Instructices for l

S-Scheduled A-Equipment Failure (Emplain) 1 -Mamal Preparation of Data Entry Sheets 5-Maintmance er. Test 2-pamat Scree f or Liceasee Event seport (LER) File C-tefuetsn, 3-Automatic Scram (auaEC0161).

D-Regulatory testriction 4-Cont'd. from Previous mocth l

E-operator Training & License Ease 5-eeduction 5

F - Administ rati ve 9-Other Exhibit G-Same Souece.

i G-ooerational Error (botsin)

M-Other (Explain)

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