ML20079J168

Monthly Operating Rept for Sept 1991 for Wolf Creek

ML20079J168
Person / Time
Site:	Wolf Creek
Issue date:	09/30/1991
From:	Bailey J, Mike Williams WOLF CREEK NUCLEAR OPERATING CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NO-91-0284, NO-91-284, NUDOCS 9110150285
Download: ML20079J168 (7)

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l W8LF CREEK ' NUCLEAR OPERATING CORPORATION John A. Bailey Vice President -

Operations Octdor 11,1991 NO 91-0284 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk w Mail Station P1-137 Washington, D. C. 20555 Subjects Docket No. 50-482: September, 1991, Monthly Operating Report Gentlemen:

Attached is the September, 1991, Monthly Operating Report 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, John A. Bailey Vice President Operations JAB /aem Attachment cc L. L. Gundrum (NRC), w/a A. T. Howell (NRC), w/a R. D. Martin (NRC), w/a W. D. Reckley (NRC). w/a 91 Ojc',) = 5  : n. a ,

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"5 PDA p PO. Box 411 i Burtin0 ton. KS 66839 : Phone (31ti) 364 6831 gj An Equai Opwtunity Ernpoyer M UMc VET

Attachment to NO 91-0284

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A WXF CREEK NUCLEAR OPERATUG COr.PORATION NOIF CREEK GENERATI!G STATION MONHILY OPERATDG REPORT NOthfit September YFAR: 1991 Docket Ib.: 50-482 Facility Operating License No.: NPF 42 Report No. 79 Merlin G. Williams

Attachment to NO 91-0284

SUMMARY

he following report highlights the operating experience of Wolf Creek Generating Station for the month of Septanber, 1991. This report is being provided pursuant to 'Ibchnical Specification 6.9.1.8.

1. SUMMIRY OF OPERATIIG EXPERIDCE N unit began the month at 89% pomr, already in coastdcwn to Refuel V.

, e unit coastdown continued until a 7% per hour power decrease was

' utiated at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br /> Septenber 19 to ran3ve the unit fran service for

_efueling, m e nain generator output breakers were opened at 0125 hours0.00145 days <br />0.0347 hours <br />2.066799e-4 weeks <br />4.75625e-5 months <br /> September 20, 1991 to officially ccmmnce Refuel V after the unit had operated continuously for 487 days.

II. MAJOR SAFUfY RELATED MAINPDMCE ACTIVITIES

1. Comenced resistance temperature detector (RTD) bypass Imoval.

2. Commenced traintenance activities on Emergency Diesel Generator KKJ01A.

3. Caumnced replacement of Reactor Coolant Pump Motor DPBB01B.

4. Camenced nodification of containment penetrations P36 and P68.

5. Ccmmnced reactor vessel head disassembly in preparation for lifting. __

Wolf Creek Generating Station Monthly Operating Report September 1991 [

Page 1 of 5

Att5chmenttoNO 91-0284 OPERATIIG DATA REPOfff DOCETT 10. 50-482 NOLF LREEK GENERATIIG STNPIW WOLF CREEK NUCLEAR OPERATIIG CORPORATION DNrE 10-01-91 CCMPIErED BY M. Williams TELEPilONE 316-364-8831 OPERATI!G STA'IUS

1. Reporting Period: September, 1991 Gross llours in Reporting Period: 720

2. Currently Authorized Power Invel(MWt): 3411 Max. Depand. Capacity (MWe-Net): 1135 Design Electrical Rating (MWe-Net): 1170

3. Power Invel to Which Rostricted (If Any)(MWe-Not): N/A

4. Reasons for restriction (If Any): N/A

'Ihis Month Yr. to Date Cumulattve

5. Nunter of 11ours Reactor was Critical 463.6 6,294.6 43,690.1

6. Reactor Reserve Shutdown llours 0.0 0.0 339.8

7. Hours Generator on Line 457.4 6,288.4 43,312.2

8. Unit Reserve Shutdown Iburs 0.0 0.0 0.0

9. Gross 'Ihernal Energy Generated (MWH) 1,221,097 18,028,566 140,093,591

10. Gross Electrical Energy Generated (MWH) 430,140 6,198,731 48,713,506

11. Net Electrical Energy Generated (1601) 401,092 5,891,377 46,488,235

12. Reactor Service Factor 64.4 96.1 82.0

13. Reactor Availability Factor 64.4 96.1 82.7

14. Unit Service Factor 63.5 96.0 81.0

15. Unit Availability Factor 63.5 96.0 81.0

16. Unit Capacity Factor (Using MDC) 49.1 79.2 77.2

17. Unit Capacity Factor (Using Design MWe) 47.6 76.9 74.6

18. Unit Forced Outage Rate 0.0 0.0 3.5

19. Shutdowns Scheduled Over Next 6 Months (Type, Date, arvi Duration of each): N/A

20. If Shut Down at End of Report Period, Estinated Date of Startup: tbwster 20, 1991 .

Wolf Creek Generating Station Ibnthly Operating Report September 1991 Page 2 of 5

Attachment to N0 91-0284 AVERAGE DAILY UNIT POWER ILVEL DOCKE7P 10. 50-402 WOLF CREEK GENERATItG STATION NOLF CREEK NLCLEAR OPERATIIG OJRIUWPIO1 DATE 10-01-91 COIPIETED BY M. Williams TELLT50NE 316-364-8831 K NIH Septanber, 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVDVGE DAILY POWER LEVEL (M9e-Net) (MWe-Net) 1 972 17 853 2 965 18 850 3 955 19 684 4 951 20 0 5, 947 21 0 6 937 22 0 7 927 23 0 8 920 24 0 9_ 909 25 0 10 900 26 0 11 886 27 0 12 876 28 0 13 870 29 0 14 865 30 0 15 862 31 N/A 16 856 l

t Wolf Creek Generating Station Monthly Operating Report l Septanber 1991 l Page 3 of 5 l

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Attactr.ent to NO 91-0284 -

UNIT SHUTDOWN AND POWER REDUCTIONS DOCKET NO. 50-482 WOLF CREEK GENERATING STATION VOLF CREEK NUCLEAR OPERATING CORPORATION DATE 10-01-91 COMPLETED BY M. Williams REPORT MONTH September. 1991 TELEPHONE 316-364-8831 TYPE METHODS SHUTTING F: FORCED DURATION REASON DOWN THE REACTOR CORRECTIVE ACTIONS / COMMENTS No Date S: SCHEDULED (HOURS) (1) OR REDUCING POWER (2)

? 910919 S 262.6 C 1 Commenced Refuel V September 20, 1991 0125 hours0.00145 days <br />0.0347 hours <br />2.066799e-4 weeks <br />4.75625e-5 months <br />.

SUttfARY: Commenced a plant shutdown at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br /> September 19. 1991. Uni t_ line 0125 hours0.00145 days <br />0.0347 hours <br />2.066799e-4 weeks <br />4.75625e-5 months <br /> September 20, 1991 for refueling activities. . Tentative startup date is November 20.

1) REASON: A: EQUIPMENT FAILURE (EXPLAIN) E: OPERATOR TRAINING AND LIC"J a EXAMINATION (2) METHOD: 1. MANUAL B: MAINTENANCE OR TEST F: ADMINISTRATIVE 2. MANUAL SCRAM C: REFUELING G: OPERATIONAL ERROR (EXPLAIN) 3. AUTOMATIC SCRAM D: REGULATORY REST 2ICTION H: OTHER (EXPLAIN) 4. CONTINUED

5. REDUCED LOAD

9. OTHER Wolf Creek Generating Station Monthly Operating Report September 1991 Page 4 of 5

L dtt.bchmentto.N091-0284 p*

NCLF CREEK NUCLEAR OPERATIIG 00RPORATION NOLF CREEK GUERATI!G STATION UNIT NO. 1 IMni Septm ber. 1991

SUMMARY

OF OPERATING EXPERIDCE Listed below in chronological sequence is a sununry of operating experiences for this nonth which required load reduction or resultad in significant non-load related incidents.

-DATE TIME EVERP Septaber 1,1991 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> Unit at 89% power, in coastdoan to Refuel V.

September 19, 1991 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br /> Unit at approximately 80% power, camencing 7% per hour power decrease.

Septanber 20,'1991 0125 hours0.00145 days <br />0.0347 hours <br />2.066799e-4 weeks <br />4.75625e-5 months <br /> Main generator output breakers open, comenced Refuel V.

September 20, 1991 -0216 hours Unit entered Mode 2, startup.

~ Septanber 20, 1991 .

0737 hours0.00853 days <br />0.205 hours <br />0.00122 weeks <br />2.804285e-4 months <br /> Unit entered Mode 3, hot standby.

Septanber 21, 1991 1418 hours0.0164 days <br />0.394 hours <br />0.00234 weeks <br />5.39549e-4 months <br /> Unit entered Mode 4, hot shutdown. -

Septauber 21,-1991 2229 hours0.0258 days <br />0.619 hours <br />0.00369 weeks <br />8.481345e-4 months <br /> Unit entered Mode 5, cold shutdown.

Septanber 30, 1991 2400 hours0.0278 days <br />0.667 hours <br />0.00397 weeks <br />9.132e-4 months <br /> Unit in Mode 5, cold shutdown. ~

Wolf Creek Generating Station Monthly Operating Report September 1991 Page 5 of 5 4

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