ML20246L654

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Monthly Operating Rept for June 1989 for Wolf Creek Generating Station
ML20246L654
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 06/30/1989
From: Bailey J, Mike Williams
WOLF CREEK NUCLEAR OPERATING CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NO-89-0121, NO-89-121, NUDOCS 8907180488
Download: ML20246L654 (7)
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^ W$LF CREEK NUCLEAR OPERATING CORPORATION

, , s John A. annoy v vie.n w.,e Nach J Operanons c

1, 5 July l11,1989 NO 89-0121'

-U."S. Nuclear' Regulatory Commission ATTN: Document Control Desk 6 "

Mail Station F1-137 cWashington, D. C. 20555

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Subject:

' i)ocket No. 50-482: June -1989, Monthly ~

Operating Report Gentlemen:-

l Attached l is the June, 1989, Monthly ' Operating iteport for Wolf Creek' (Generating Station. This submittal is being made in accordance with the requirements of Technical Specification 6.9.1.8.

.Very truly yours, yoL l C- n

-John A. Bailey Vice President '

Nuclear Operations JAB /jad Attachment ces B. L. Bartlett (NRC), w/a E. J. Holler (NRC), w/a R.-D. Martin (NRC), w/a D. V. Pickett (NRC), w/a 8907180488 890630 .I PDR ADOCK 05000482 R PDC /g I I

2 P.O. Box 411/ Burtirdon. KS 66839 / Phone: (316) 364-8831 An Equal opportunity Employ.r MfMCWET

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MNIfEE OPERATIIG REPTT 10NHI June YEAR: 1989 Docket No.: 50-482 Facility Operating Idoense No.: ICF-42 y

, Report No. 52 1-l' .

Prepared by:

Merlin G. Williams i

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l Attachinent to N0 89-0121 l

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SUMMARY

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.. j The following report highlights the operating experience of Wolf Creek .

Generating Station for the nanth of June,1989. 'Ihis report is being I provided pursuanc to Technical Specification 6.9.1.8.

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SUMMARY

OF OPERATIIG EXPERIDG On June 03, 1989, at 0904 hours0.0105 days <br />0.251 hours <br />0.00149 weeks <br />3.43972e-4 months <br />, electz.ical generation was reduced 30 megawatts due to Heats Drain Pump "A" being renoved frmt service to balance the shaft. At 1151 hours0.0133 days <br />0.32 hours <br />0.0019 weeks <br />4.379555e-4 months <br /> the pump was returned to service.

On June 07,1989, at 0459 hours0.00531 days <br />0.128 hours <br />7.589286e-4 weeks <br />1.746495e-4 months <br />, Heate- Drain Pump "A" was removed from service to re M1ance the shaft. It was returned to service at 1530 hours0.0177 days <br />0.425 hours <br />0.00253 weeks <br />5.82165e-4 months <br />.

Ch June 09,1989, at 2210 hours0.0256 days <br />0.614 hours <br />0.00365 weeks <br />8.40905e-4 months <br />, the steam supply to High Pressure Heater "7A" was secured to repair a flow orifice flange I.eak. On June 11,1989, at 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> the heater was returned to service.

On June 13,1989, at 2309 hours0.0267 days <br />0.641 hours <br />0.00382 weeks <br />8.785745e-4 months <br />, Circulating Water Pump "A" was secured to repair an oil leak. Power was limited to 90% by the setback circuit. 'Ihe setback circuit was temporarily disabled and power returned to 100% on June 14, 1989, at 1412 hours0.0163 days <br />0.392 hours <br />0.00233 weeks <br />5.37266e-4 months <br />. On June 15, 1989, at 0444 hours0.00514 days <br />0.123 hours <br />7.34127e-4 weeks <br />1.68942e-4 months <br />, the punp was returned to service.

On June 16, 1989, at 0446 hours0.00516 days <br />0.124 hours <br />7.374339e-4 weeks <br />1.69703e-4 months <br />, Circulating Water Purtp "B" was secured to replace its cooling water outlet valve. At 1233 hours0.0143 days <br />0.343 hours <br />0.00204 weeks <br />4.691565e-4 months <br /> the pump was returned to service. At 1310 hours0.0152 days <br />0.364 hours <br />0.00217 weeks <br />4.98455e-4 months <br />, the setback circuit was reinstated.

On June 25,1989, at 1745 hours0.0202 days <br />0.485 hours <br />0.00289 weeks <br />6.639725e-4 months <br />, reactor power was at 98% in order to install a nodificat.ian an the Balance of Plant camputer. On June 26, 1989, at 0625 hours0.00723 days <br />0.174 hours <br />0.00103 weeks <br />2.378125e-4 months <br />, pomr was returned to 100%.

II. MAJOR SAFMY REEATED MAINTENAtG ACTIVITIES j

1. Set limit switches for the Essential Service Water containment isolation valves EHW47, 48, 49, & 50 for flow adjustment.

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2. "A" and "B" train outages an the Control Bd1 ding air ccnditiordng units SGK04A and B and the Class 1E electrical equiprent air conditioning units S:iK05A and B which included replacing or plugging sme of the condenser tubes.

1 Wolf Creek Generating Station Manthly operating Report J June 1989  !

Page 1 of 5 1

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-A,ttachment to NO 89-0121 OPERATDG DMA REPORT DOCKETF IG. 50-482 NOLF CREEK GENERATEG SIATICE WOLP CREEK NUCLEAR OPERATDG OCRPCRATICH DATE 07-01-89 COMPIEfED BY M. Williams TELEPIENE316-364-8831 OPERATI!G STA'IUS

1. Reporting Period: June, 1989 Gross Iburs in Reporting Period: 720
2. Currently Authorized Power Invel(MNt): 3411 Max. Depend. Capacity (HWe-Net): 1135 Design Electrical Rating (MWe-Net):_1170
3. Power level to which Restricted (If Any)(1%e-Nat): N/A
4. Reasons for restriction (If Any): N/A

'Ihis Month Yr to Date Cumulative

5. Number of Iburs Reactor was Critical 720.0 4,298.3 25,882.4
6. Reactor Ret >erve Shutdown Hours 0.0 0.0 339.8
7. 11ours Generator on Line 720.0 4,203.4 25,370.9

,. Unit Reserve Shutdown Hours .,

0.0 0.0 0.0 -

9. Gross Themal Energy Generated (IMI) 2,448,863 14,145,505 83,717,622 4
10. Gross Electrical Energy Generated (!MI) 845,634 4,929,814 29,099,019
11. Net Electrical Energy Generated (MHH) 812,302 4,734,047 27,747,153
12. Reactor Service Factor 100.0 99.0 77.2
13. Reactor Availability Factor 100.0 99.0 78.2
14. Unit Service Factor 100.0 96.8 75.7
15. Unit Availability Factor 100.0 96.8 75.7 ,
16. Unit Capacity Factor (Using MDC) 99.4 96.0 73.3
17. Unit Capacity Factor (Using Design MNe) 96.4 93.2 70.7
18. Unit Forced Outage Rate 0.0 1.2 5.4-
19. Shutdowns Scheduled Over Next 6 Manths (Type, Date, and Duration of each): None.
20. If Shut Down at End of Report Period, Estimted Date of Startup: N/A Wolf Creek Generating Station Monthly Operating Report June 1989 Page 2 of 5

! Attachment to NO 89-0121 AVEEUGE DAILY UNIT POWER LEVEL DOCKET NO. 50-482 NOLF CREEK GENERATING STATION HOLF CREEK NUCLEAR OPERATING OCRPTATION  !

DATE 07-01-89 CON'EI'ED BY M. Williams

, TELEPIDE316-364-8831 30NIH June, 1989 DAY AVERPGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 1136 17 1139 2 1135 18 1139 3' 1130 19 1139 4 1134 20 1135 5 1132 21 1133 6- 1132 22 1135 ,

7 1120 23 1134 8 1132 24 1132 9 1131 25 1122 10 1117 26 1121 11 1129- 27 1128 12 1131 28 1127 13 1128 29 1127 14 1050 30 1127 15 1135 31 N/A 16 1137 l

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Wolf Creek Generating Station Monthly Operating Feport June 1989 )

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Atta brnent to N0 99-0121 WLF CREEK NUCLEAR OPERATDG CORPORATION WLF CREEK GENERATDG STATION INIT NO. 1 ATIH June, 1989

SUMMARY

OF OPERATDG EXPERIENCE Listed belcw in du.vuological sequence is o stmmary of coerating experiences for this month which required load reduction or resulted in significar non-load related incidents.

DATE TIME EVFNP June 03, 1989 0904 hours0.0105 days <br />0.251 hours <br />0.00149 weeks <br />3.43972e-4 months <br /> Secured Heater Drain Pump "A" to balance shaft.

Electrical generation decreased 30 MWe.

1151 hours0.0133 days <br />0.32 hours <br />0.0019 weeks <br />4.379555e-4 months <br /> Heater Drain Pump "A" returned to service.

June 07, 1989 0459 hours0.00531 days <br />0.128 hours <br />7.589286e-4 weeks <br />1.746495e-4 months <br /> Secured Heater Drain Pump "A" to re-balance shaft.

Electrical generation decreased 30 MWe.

1530 hours0.0177 days <br />0.425 hours <br />0.00253 weeks <br />5.82165e-4 months <br /> Heater Drain Pump "A" returned to service.

Jtne 09,1989 2210 hours0.0256 days <br />0.614 hours <br />0.00365 weeks <br />8.40905e-4 months <br /> Secured steam side of High Pressure Heater "7A" to repair flow orifice flange leak.

June 11, 1989 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> High Pressure Heater "7A" returned to service.

June 13, 1989 2309 hours0.0267 days <br />0.641 hours <br />0.00382 weeks <br />8.785745e-4 months <br /> Secured Circ Water Pump "A" to repair oil leak.

Limited to 90% power by setback circuit.

June 14, 1989 1412 hours0.0163 days <br />0.392 hours <br />0.00233 weeks <br />5.37266e-4 months <br /> Setback circitit disabled. Power returned to 100%.

June 15, 1989 0444 hours0.00514 days <br />0.123 hours <br />7.34127e-4 weeks <br />1.68942e-4 months <br /> Circ Water Pump "A" returned to service.

June 16, 1989 0446 hours0.00516 days <br />0.124 hours <br />7.374339e-4 weeks <br />1.69703e-4 months <br /> Secured Circ Water Pump "B" to replace cooling water outlet valve.

1233 hours0.0143 days <br />0.343 hours <br />0.00204 weeks <br />4.691565e-4 months <br /> Circ mter Pump "B" returned to service.

1310 hours0.0152 days <br />0.364 hours <br />0.00217 weeks <br />4.98455e-4 months <br /> Set Nck circuit reinstated.

June 25, 1989 1745 hours0.0202 days <br />0.485 hours <br />0.00289 weeks <br />6.639725e-4 months <br /> Reactor at 98% power for Balance of Plant Ocznputer modification.

June 26, 1989 0625 hours0.00723 days <br />0.174 hours <br />0.00103 weeks <br />2.378125e-4 months <br /> Reactor at 100% power.

Wolf Creek Generating Ctation Monthly Operating Report June 1989 Page 5 of 5

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