ML20082S017

Monthly Operating Rept for Aug 1991 for Wolf Creek Generating Station Unit 1

ML20082S017
Person / Time
Site:	Wolf Creek
Issue date:	08/31/1991
From:	Bailey J, Mike Williams WOLF CREEK NUCLEAR OPERATING CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
91-0241, 91-241, NUDOCS 9109160340
Download: ML20082S017 (7)

Text

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i LF CREEK W@ NUCLEAR -

OPE 7 TING John A. Baitn .

Vice Presidoni operations September 12, 1991 NO 91-0241 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-137 Washington, D. C. 20555

Subject:

Docket No. 50-482: August, 1991, Monthly Operating Report I

' Gentlemen:

Attached is the August, 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, uC .

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. Rockley (NRC), w/a a109160340 91 og:3g PDF ADOCy 05000 app h 9 PD:E~

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Attachment to.N0 91-0241 t

NOIE CREEK NUCLEAR OPERATUG CORPORATION NOLF CREEK GDERATUG STATICN

)Df1HLY OPERATDG REPORT 10m1: August YEAR: 1991 Docket Ib. : 50-482 Facility Operating License No.: IFF-42 Report No. 78 Prepared by:

Merlin G. Williams i

1 Attachment to NO 91-0241 SmMARY

'Ihe following report highlights the operating experience of Walf Crook Generating Station for the manth of August,1991. '1his report is being provided pursuant to 'Ibchnical Specification 6.9.1.8.

I.

SUMMARY

OF OPERATI!G EXPERIDCE

= '1he unit operated at or near 100t p:xer throughout the period of August 1-17, 1991. Power began ranping 60wn as the coastdown to Refuel V ms cxxmenced August 18,1991 at 'J700. At nanth's end power had been reduced to 89% and the unit had operate.1 continuously for 467 days.

-II. MMOR SAFETIT RSATED MAINTDalCE ACTIVITIES No najor safety related naintenance ws perfornal during the nonth of August, 1991.

Wolf Creek Generating Station Monthly Operating Report August 1991 Page 1 of 5

Attachment to 140 91-0241 OPDIATIIG DATA RE1HtT DOCKER 10, 50-482 WJLF CREEK GE24DIATIIG STATION HOLF CREEK NUCLFAR OPHIATIIG 03UGIAT10N DATE 09-01-91 CCMPIEfED BY_& Willir;e TELET'110NE 316-364-8831 OPDIATIlO STAltlS

1. Reporting Period: Auentst , 1991 G3 0ss Iburs in Reporting Period: 744

2. Currently Authorized Power Level (!Nt):_3411 Max. Depend. Capacity (MWe-Net): 1135 Design Electrical Rat.ing (MWe-lbt): 1170

3. Pwer Invol to Milch Restricted (If Any)(MWo-lbt): N/A

4. Reasons for restriction (If Any): N/A This Month Yr. to Date Cunnlative

5. Numtrar of Hours Reactor was Critical 744,0 5,831.0 43,226.5

6. Rmetor Reserve Shutdown Iburs 0.0 0.0 339.8

7. Iburs Generator on Line 744.0 5,831.0 42,654.8

8. thrit Reserve Shutdown Iburs 6.0 0.0 0 . 0__

9. Gross Themm1 Energy Generated (MI) 2,466,381, 16,807.469 138,872,494

10. Gross Electrical Energy Generated (!Nii) _ 839,625 5,768,597 48.2J83,366

11. Net Electrical Energv Generated (MWil) 801,668 5.490,28J 46,087,143

12. Reactor Service Factor 100.0 100.0 02.3

13. Reactor Availability Factor 100.0 100.0 _

82.9

14. Unit Service Factor 100.0 100.0_ 81.2

15. Unit Availability Factor 100.0 100.0 81.2

16. Unit Capacity Factor (Using MDC) 94.9 83.0 77.6

17. Unit Capacity Factor (Using Design MWe) 92.1 80.5 75.0

18. Unit Forced Outage Rate 0.0 0.0 3.5

19. Shutdowns Schoduled Over Next 6 Months (2ype, Date, and Duration of each): Refueling Outage on Septanber 19, 1991 for 75 days.

20. If Shut Dawn at End of Report Pericd, Estinnted Ihte of Startup: N/A Wolf Creek Generating Station Monthly Operating Report August 1991 Page 2 of 5

Attachment to NO 91-0241 AVERIGE DAIuY UNIT POWER LEVEL DOCKET 10. 50-482 NOLF CREEK GENERATDG STATIM NOLF CREEK NLCLEtJ1 OPERATI!G 00RPORATICN DATE 09-01-91._

OCNPLL'IED BY M. Williams

_1-TELEPIDF 316-364-8831

}CNIH August, 1991 DAY AVERIGE DAILY POWD1 LEVEL DAY AVER 1GE DAILY POWER IREL (MWe-Not) (MWe-Net) 1 1111 17 1105

-2 1109 18 1100 ,

3 1108 19 1092 4 1109 20 1092 5 1104 21 1086

6. 1099 22 1066 .

7 -_ 1097 23 1057 8 1104 24 1048 9 _. 1106 25 1037 10 1110 26 1024 11: 1109 27 1017 I

12 1111 28 1007 13 1111 29 997 14 1108 30 988 15 1105 31 978

- 16 1108 Wolf Cmek Generating Station Monthly Operating Report August 1991 Pago 3 of 5

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UNIT SHUTDOWN AND POWER REDUCTIONS DOCKE' NO.- 50-482 I

, Q WOLF CREEK GENERATING STATION 5 WOLF CREEK NUCLEAR OPERATING CORPORATION * @

DATE 09-01-91 c+

COMPLETED BY M. Williams c.

REP 0".T MONTH August, 1991 TELEPHONE 316-364-8831 0 5-TYPE METHODS SHUTTING $*

F: FORCED DURATION REASON DOWN THE REACTOR CORRECTIVE ACTIONS / COMMENTS Wo Date S: SCHEDULED (HOURS) (1) OR REDUCING POWER (2) O 3

SUMMARY

The unit operated thrc :ghout the month of August with no power reductions that resulted in a greater than 20%

reduction in average daily pcwer level as compared to the previous 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

3) REASON: A: EQUIPMENT FAILURE (EXPLAIN) E: OPERATOR TRAINING AND LICENSE 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 RESTRICTION H: OTHER (EXPLAIN) 4. CONTINUED

5. REDUCED LOAD

9. OTHER Volf Creek Generating Station Monthly Operating Report August 1991 Page 4 of 5

^

Attachment to NO 91-0241 4

WOLF CREEK NUCLEAR OPERATIlG 00RPORATIOt1 -

WJ12 CREEK GPdERATIlU STATIOt1

• UN1" 10. 1 FOmi Aucmst, 1991 SINMARY OF OPERATIIG EXPERIDCE Tdsted below in chronological sequence is a sununry of operating experiences for tMs tranth Meh required load reduction or resulted in significant non-load related incidents.

ggg TIME EVINP August 1, 1991 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> Unit at 100% power.

August 18, 1991 0700 hours0.0081 days <br />0.194 hours <br />0.00116 weeks <br />2.6635e-4 months <br /> Ccncenced unit coastdown to Refuel V.

August 31, 1991 2400 hours0.0278 days <br />0.667 hours <br />0.00397 weeks <br />9.132e-4 months <br /> Unit at 89% Lwer.

Wolf Creek Generating Station Monthly Operating Report August 1991 Page 5 of 5

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