ML20244E083

Monthly Operating Rept for Mar 1989 for Wolf Creek Station

ML20244E083
Person / Time
Site:	Wolf Creek
Issue date:	03/31/1989
From:	Mike Williams WOLF CREEK NUCLEAR OPERATING CORP.
To:
Shared Package
ML20244E085	List: ML20244E083 ML20245C732 ML20245C737
References
NUDOCS 8904240286
Download: ML20244E083 (6)

Text

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• Attachment 1 to WM 89-0108 l

WOLF CREEK NUCLEAR OPERATING CORPORATION WOLF CREEK GENERATING STATION MONTHLY OPERATING REPORT MONTH:

March YEAR:

1989 Docket No.:

50-482 Facility Operating License No.: NPF-42 i

Report No.

49 Prepared by:

Merlin G. Williams O

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.h Attachmeht' 1 to WM 89-0108

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SUMMARY

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'The following-report highlights the operating experience of Wolf Creek Generating Station for the month of March, 1989. This report is being provided pursuant to Technical Specification 6.9.1.8.

I.

SUMMARY

OF OPERATING EXPERIENCE Unit operated near 100 percent power throughout the month.

At G338 hours, March 06, 1989, surveillance test showed control rods for Control Bank "C" and Shutdown Bank "A", Group 2 to be inoperable.

but trippable.

Problem was due to a' cold solder joint on an associated circuit board. At 1025 hours0.0119 days <br />0.285 hours <br />0.00169 weeks <br />3.900125e-4 months <br />, March 08, 1989 control rods were operable.

II.

MAJOR SAFETY RELATED MAINTENANCE ACTIVITIES 1.

Replaced BGZC8357A - Centrifugal Charging Pump "A" to Reactor Coolant Pump Isolation Valve Controller.

2.

Replaced T-Ring, 0-Ring, and Compression Ring on ALHV033 "B"

Train Essential Service Water to Turbine Driven Feed Pump Isolation' Valve.

3.

Replaced cylinder head gaskets on PBG04 - Positive Displacement Charging Pump.

4.

Replaced fast speed starter coil on SGN01B - Containment Cooling Fan.

l Wolf Creek Generating Station Monthly Operating Report March 1989 l

Page 1 of 5

i

. Attachment 1 to WM 89-0108 l-OPERATING DATA REPORT l_.

DOCKET NO.

50-482 WOLF CREEK GENERATING STATION WOLF CREEK NUCLEAR OPERATING CORPORATION DATE 04-01-89 COMPLETED BY M. Williams TELEPHONE 316-364-8831 OPERATING STATUS 1.

Reporting Period:

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

Currently Authorized Power Level (Nt): 3411 Max. Depend. Capacity (MWe-Net): 1135 Design Electrical Rating (MWe-Net):

1170 3.- Power Level to Which Restricted (If Any) (Mwe-Net):

N/A 4.

Reasons for restriction (If Any):

N/A This Month Yr to Date Cumulative 5.

Number of Hours Reactor was Critical 744.0 2,115.3 23,699.4 6.

Reactor Reserve Shutdown Hours 0.0 0.0 339.8

-7.

Hours Generator on Line 744.0 2,020.4 23,187.9 8.

Unit Reserve Shutdown Hours 0.0 0.0 0.0 9.

Gross Thermal Energy Generated (MWH) 2,535,552 6,744,343 76,316,460 110.

Gross Electrical Energy Generated (MWH) 890,906 2,366,238 26,535,443

11. Net Electrical Energy Generated (MWH) 857,870 2,271,319 25,284,425

12. Reactor Service Factor 100.0 97.9 75.6

13. Reactor Availability Factor 100.0 97.9 76.7

14. Unit Service Factor 100.0 93.5 74.0

15. Unit Availability Factor 100.0 93.5 74.0 16.

Unit Capacity Factor (Ming MDC) 101.6 92.6 71.5 l

17. Unit Capacity Factor (Using Design MWe) 98.6 89.9 68.9

18. Unit Forced Outage Rate 0.0 2.5 5.8

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

20.

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

N/A Wolf Creek Generating Station Monthly Operating Report March 1989 Page 2 of 5

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Att'achment'1 to WM 89-0108 I'

AVERAGE DAILY UNIT FOWER LEVEL DOCKET NO.

50-482 WOLF CREEK GENERATING STATION WOLF CREEK NUCLEAR OPERATING CORPORATION DATE 04-01-89 COMPLETED BY M. Williams TELEPHONE 316-364-8831 MONTH March, 1989 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (tide-Net)

(MWe-Net) 1-1153 17 1155 2'

1159 18 1155 3

1154 19 1156 4

1152 20 1154 5

1152 21 1150-6 1152 22 1154 7

1152 23 1153 8

1153 24 1145 9

1154 25 1154 10 1154 26 1153 11 1155 27 1152 12 1155 28 1152 13 1156 29 1151 14 1154 30 1150 15 1154 31 1148 16 1155 i

Wolf Creek Generating Station Monthly Operating Report March 1989 Page 3 of 5 i

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', to WM 89-0108 l

WOLF CREEK NUCLEAR OPERATING CORPORATION WOLF CREEK GENERATING STATION UNIT NO. 1 MONTH March, 198L'

SUMMARY

OF OPERATING EXPERIENCE Listed below in chronological nuquence is a suntuary of operating experiences for this month which required load reduction or resulted in significant non-load related incidents.

DATE TIME EVENT March 02, 1989 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> Unit in Mode 1 - Power Operations.

March 06,-1989 0838 hours0.0097 days <br />0.233 hours <br />0.00139 weeks <br />3.18859e-4 months <br /> Control Rods for Control. Bank "C" and Shutdown Bank "A", Group 2 are inoperable but trippable due to cold solder joint on an associated circuit board.

March 38, 1989 1025 hours0.0119 days <br />0.285 hours <br />0.00169 weeks <br />3.900125e-4 months <br /> Conrol Rods for Control Bank "C" and Shutdown Bank "A", Group 2 are operable.

March 24, 1989 1057 hours0.0122 days <br />0.294 hours <br />0.00175 weeks <br />4.021885e-4 months <br /> Secured Heater Drain Pump "B" to fix steam leak at a pipe plug on the casing. Reduction in generator load approximately 23 MW.

1933 hours0.0224 days <br />0.537 hours <br />0.0032 weeks <br />7.355065e-4 months <br /> Heater Drain Pump "B" returned to service.

Wolf Creek Generating Station Monthly Operating Report March 1989 j

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