Text

Monthly Operating Rept for Jul 1989 for Wolf Creek Generating Station
	ML20245L629
Person / Time
Site:	Wolf Creek
Issue date:	07/31/1989
From:	Mike Williams; WOLF CREEK NUCLEAR OPERATING CORP.
To:	;
Shared Package
ML20245L621	List: ML20245L616; ML20245L629; ML20245L634;
References
	NO-89-0144, NO-89-144, NUDOCS 8908220203
	Download: ML20245L629 (6)
	v • d • e

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.-Attachment 1:to.N0 89-0144 NCIE CREEK NUCLEAR OPERATDG OCRPCRATICE NOLF CREEK GENERATDG STATICN M2fIHLY OPERATDU REFCRT

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Julv YEAR:

1989 Docket No.: 50-482 Facility Operating License No.: NPF-42 Report No.

53 Pu:spEu.ai by:

Merlin G. Williams 8908220203 890815 PDR ADOCK 05000482 l

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m L to'N0'89-0144 SUte%RY The following wru.L highlights the operating experience of Wolf Creek Generating Station for the nmth of July,1989. This wru.L is being provided pt=wnt to Technical Specification 6.9.1.8.

I.

StBemRY T TERATIIG EKPERIBK2 Ch July 10,1989, at 2344 hours0.0271 days 0.651 hours 0.00388 weeks 8.91892e-4 months comenced decreasing Reactor power and entered Mode 2 on July 11, 1989, at 0217 hours0.00251 days 0.0603 hours 3.587963e-4 weeks 8.25685e-5 months to replace four bolts on Main Feedwater Regulating Valve "A".

At 0517 hours0.00598 days 0.144 hours 8.54828e-4 weeks 1.967185e-4 months the unit entered Mode 1 and at 1720 hours0.0199 days 0.478 hours 0.00284 weeks 6.5446e-4 months the Reactor as at 100% power.

On July 18,1989, at 1912 hours0.0221 days 0.531 hours 0.00316 weeks 7.27516e-4 months Heater Drain Pung "A" es secured to atts pt tightening the stuffing box extension bolts. Electrical generation a s radn

25 MWe. At 2300 hours0.0266 days 0.639 hours 0.0038 weeks 8.7515e-4 months Heater Drain Pump "A" as mLuussi to service and electrical generation returned to rm=1.

Ch July 19,1989, at 2202 hours0.0255 days 0.612 hours 0.00364 weeks 8.37861e-4 months Heater Drain Punp "A" was secured to replace the stuffing box gasket. Electrical generation was reduced 25 MWe. On July 21,1989, at 0735 hours0.00851 days 0.204 hours 0.00122 weeks 2.796675e-4 months Heater Drain Pung "A" was returned to service and electrical generation returned to nomal.

Ch July 23,1989, at 0126 hours0.00146 days 0.035 hours 2.083333e-4 weeks 4.7943e-5 months unit received a turbine runback to 995 MWe (85%). Runback was due to a surveillance test in g up ass along with a trip to the second channel due to setpoint drift. Electrical load as' restored with Reactor power at 100% at 0206 hours0.00238 days 0.0572 hours 3.406085e-4 weeks 7.8383e-5 months .

Ch July 25,1989, at 0143 hours0.00166 days 0.0397 hours 2.364418e-4 weeks 5.44115e-5 months Heater Drain Punp "A" was secured due to a stemn lerk at the pung necha_n_im1 seal. Electrical generation was ra@ M 25 M4e. Seal was replaced and on July 26, 1989, at 2311 hours0.0267 days 0.642 hours 0.00382 weeks 8.793355e-4 months Heater Drain Pump "A" was returned to service and electrical generation returned to normal.

II. NAKR SAFETY REIATED 1%INTEtRNCE Aunvmd 1.

Rework / Replace tubing on Control 9141riing air conditioning units SGK04A and B and the Class 1E electrical egni,rmit air conditioning units SGK05A and B.

Wolf Creek Generating Station Monthly Operating Report July 1989 Page 1 of 5 i

m

' Attachment 1 to NO 89-0144 OPERArnG Dm REeoRT L

DOCKET 1' NO.

50-482 NOLF CREEK GENERATI!G STAT 34 '

l NOLF CREEK NUCLEAR OPERATDG CORPORATION IRTE 08-01-89 004PLETED BY M. Williams

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TELEPHONE 316-364-8831 t__

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1.

Reporting Period:

July, 1989 Gross Hours in Reporting Period: 744 2.

Currently Authorized Power Isvel(MRt) _.3411 Max. Depend. Capacity (MWe-Net): 1135 Design Electrical Rating (NWe-Net): 1170 3.

Power Isvel to Which Restricted (If Any)(he-NA):

N/A

. 4.

Reasons for restriction (If Any):

N/A

'!his Month Yr to Date Cumulative 5.

Ntriber of Hours Reactor was Critical 744.0 5,042.3 26,626.4 6.

Reactor Reserve Shutdown Hours 0.0 0.0 339.8 7.

Hours Generator on Line 739.5 4,946.6 26,114.1 8.

Unit Reserve Shutdown Hours 0.0 0.0 0.0 9.

Gross Thennal Energy Generated (NHH) 2,493,515 16,639,020 86,211,137

'10..

Gross Electrical Energy Generated (MHH) 852,303 5,782,117 29,951,322

11. Het Electrical Energy Generated (MHH) 816,823 5,550,876 28,563,982

-12.

Reactor Service Factor 100.0 99.1 77.7

13. Reactor Availability Factor 100.0 99.1 78.7

14. Unit Service Factor 99.4 97.2 76.2

15. Unit Availability Factor 99.4 97.2 76.2

16. Unit Capacity Factor (Using NDC) 96.7 96.1 73.8

17. Unit Capacity Factor (Using Design NNe) 93.8 93.3 71.2

18. Unit Ebroad Outage Rate 0.0 1.0 5.2

19. Shutdowns Scheduled Over Uext 6 Manths (Type, Date, and Duration of each): None.

20. If Shut Down at End of Report Period, Estimated Date of Startup:

N/A Lblf Creek Generating Station Monthly Operating Report July 1989 Page 2 of 5

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89-0144:

' Attachment I to NO

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AVERAGE DhIIX INIT PONER IJM!L

~I DOCKET 10. 50-482 NOLF QU!EK GENERATDG STkTIN' l

wam CREEK NUCU!aR OPERATEG 00RPWATIW -

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03GLETED BY M. Williams

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MIGH July, 1989 i

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' Monthly Operating Report July 1989 Page 3 of 5 l

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" Attachment 1 to N0 89-0144.

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l-WOLF CREEK NUCIFAR OPERATIIG ONPORATION NOLF CREEK GENERATING STATICE UNIT NO. 1 MJNIH July, 1989

SUMMARY

OF OPERATING EKPERIENCE l

.- Lioted below in chronological sequence is a sunmary of operating experiences for this month which required load reduction' or resulted in significant non-load related incidents.

.QBIE

_Tgg EVE W July 11, 1989 0217 hours0.00251 days 0.0603 hours 3.587963e-4 weeks 8.25685e-5 months Entered Mode 2 to replace four bolts en Main Feedwater Regulating Valve "A".

0517 hours0.00598 days 0.144 hours 8.54828e-4 weeks 1.967185e-4 months Entered Mode 1.

1720 hours0.0199 days 0.478 hours 0.00284 weeks 6.5446e-4 months Reactor at 100% power.

July 18, 1989 1912 hours0.0221 days 0.531 hours 0.00316 weeks 7.27516e-4 months Secured Heater Drain Punp "A" to tighten stuffing box bolts. Electrical generation reduced 25 NNe.

2300 hours0.0266 days 0.639 hours 0.0038 weeks 8.7515e-4 months Heater Drain Punp "A" returned to service. Ioad returned to normal.

July 19, 1989 2202 hours0.0255 days 0.612 hours 0.00364 weeks 8.37861e-4 months Secured Heater Drain Pung "A" to replace stuffing box gasket. Electrical generation r d v=4 25 MWe.

July 21, 1989 0735 hours0.00851 days 0.204 hours 0.00122 weeks 2.796675e-4 months Heater Drain Pump "A" returned to service. Ioad returned to normal.

July 23, 1989 0126 hours0.00146 days 0.035 hours 2.083333e-4 weeks 4.7943e-5 months Received turbine runback to 995 NNe due to surveillance test in swwss with setpoint drift / trip on second channel.

0206 hours0.00238 days 0.0572 hours 3.406085e-4 weeks 7.8383e-5 months Electrical load restored and Reactor at 100% power.

July 25, 1989 0143 hours0.00166 days 0.0397 hours 2.364418e-4 weeks 5.44115e-5 months Secured Heater Drain Pump "A" to replace mechanical seal. Electrical generation reduced 25 NWe.

July 26, 1989 2311 hours0.0267 days 0.642 hours 0.00382 weeks 8.793355e-4 months Heater Drain Pump "A" returned to service. Ioad returned to normal.

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Wolf Creek Generating Station Monthly Operating Report July 1989 Page 5 of 5

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ML20245L629

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