ML20235T938

Monthly Operating Rept for June 1987

ML20235T938
Person / Time
Site:	Wolf Creek
Issue date:	06/30/1987
From:	Mike Williams, Withers B WOLF CREEK NUCLEAR OPERATING CORP.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8707220311
Download: ML20235T938 (7)

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i WOLF CREEK NUCLPAR OPERATING CORPORATION WOLF CREEK GENERATING STATIQ1 MONTHLY OPERATING REPORI' MONIB:

June YFAR: 1987 Docket No.: 50-482 Facility Operating License No.: NPF-42 Report No.

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Prepared by:

Merlin G. Williams 8707220311%$$$kO2 PDR ADOCK PDR y(,). \\ '

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The followirg report highlights the operating experience of W>lf Creek Generatirg Station for the month of June,1987. This report is being provided pursuant to Technical Specification 6.9.1.8.

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SUMMARY

OF OPERATING EXPERIENCE The unit operated near 100 percent power throughout most of the month.

The loss of Main Feedwate"; Punp "A" resulted in a Unit Trip on June 29, 1987. The unit resuned power operation on June 30, 1987.

II.

MAJOR SAFELY REIATED MAINTENANCE ACTIVITIES 1.

Weld repair of the Spent Fuel Pool Liner.

2.

Replacement of the seals on the containment personnel hatch, i

3.

Weld overlay on two safety related pipes to restore pipe wall I

thickness that was eroded downstream of throttle valves.

I 4.

Replaced the I/P converter on the turbine driven Auxiliary Feedwater Puup flow control valve to Steam Generator "C".

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l Wolf Creek Generating Station Monthly Operatirg ReFort June 1987 Page 1 of 5 i

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i OPERATING DATA REPORP DOCKETT NO.

50-482 WOLF CREEK GENERATING STATION WOLP CREEK NUCLEAR OPERATING CORPORATION DATE 07-01-87 00MPLETED BY M. Williams TELEPHONE 316-364-8831 OPERATING STATUS 1.

Reporting Period:

June, 1987 Gross Hours in Reportire Period: 720 2.

Currently Authorized Power Level (Mdt): 3411 Max. Depend. Capacity (MWe-Net): 1128 l

l 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 684.5 4188.5 13502.4 6.

Reactor Reserve Shutdown Hours 0.0 67.8 239.0,_

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Hours Generator on Line 682.0 4061.5 13251.6 8.

Unit Reserve Shutdown Hours 0.0 0.0 0.0 9.

Gross Thermal Energy Generated (MWH) 2,250,313 13,131,953 42,877,295

10. Gross Electrical Energy Generated (MWH) 763,495 4,577,320 14,943,6l]O

11. Net Electrical Energy Generated (M4H) 727,799 4,369,793 14,269,082 i

12. Reactor Service Factor 95.1 96.4 84.5_

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13. Reactor Availability Factor 95.1 98.0 86.0 j

14. Unit Service Factor 94.7 93.5 82.9

15. Unit Availability Factor 94.7 93.5 82.9

16. Unit Capacity Factor (Using MDC) 89.6 89.2 79.1

17. Unit Capacity Factor (Usirg Design MNe) 86.4 86.0 76.3 1

18. Unit Forced Outage Rate 5.3 3.6 4.1

19. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of each):

Refuelirs, 9-17-87, 49 Days.

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

N/A l

l Wolf Creek Generating Station l

Monthly Operatirg Report June 1987 l

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1 AVERIGE DAILY UNIT POWER LEVEL DOCKET NO.

50-482 WOLF CREEK GENERATItG STATION i

l NOLP CREEK NUCIEAR OPERATI?M CORPORATION DATE 07-01-87 COMPLETED BY M. Willians TELEPHONE 316-364-8831 MONTH June, 1987 l

DAY AVERIGE DAILY POWER LEVEL DAY AVFRAGE DAILY PONER LEVEL (Mae-Net)

(MWe-Net) 1 1102 17 1091 2

1107 18 1095 3

1107 19 1112 4

1106 20 1095 5

1106 21 1107 6

1106 22 1120 7

1106 23 1097 8

1105 24 1120 9

1101 25 1121 10 1102 26 1123 pj 11 1104 27 642 l

12 1103 28 764 i

13 1100 29 214 14 1095 30 0

15 1094 31 N/A 16 1093 l

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NOLF CREEK NUCLEAR OPERATING CORPORATION WOLF CREEK GENERATING STATION UNIT NO. 1 KNIH June, 1987

SUMMARY

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

DATE TIME EVENT June 1, 1987 0000 Unit in Mode 1, Power Operation.

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June 27,1987 0015 Cannenced power reduction due to reduced system i

denand.

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June 29,1987 0649 Unit Trip due P.o loss of Main Feedwater Punp "A" (LER 87-027-00)

June 30, 1987 1746 Unit in Mode 2, Startup 1820 Reactor Critical l

1940 Unit in Mode 1, Power Operation I

l 2047 Synchronized with grid l

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Wolf Creek Generating Station Monthly Operatirg Report June 1987 Page 5 of 5 L__

W$LF CREEK NUCLEAR OPERATING CORPORATION Bart D. Withers Premdent and Chief Executive Officer July 14, 1987 U. S. Nuclear Regulatory Comnission ATTN: Document Control Desk Washington, D. C.

20555 i

Letter: WM 87-0188 1

Re:

Docket No. 50-482 l

Subj:

June, 1987, Monthly Operating Report

{

l Gentlemen:

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Enclosed is the June,

19F7, Monthly Operating Report for Wolf Creek Generating Station.

This sutrnittal is being made in accordance with the requirements of Technical Specification 6.9.1.8.

Very truly yours, i

t Bart D. Withers President and Chief Executive Officer BDW:jad Enclosure ec: PO'Connor (2), w/a RMartin, w/a JCu:Trnins, w/a P.O. Box 411/ Burhngton, KS 66839 / Phone: (316) 364 8831 9

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