ML20073A674

Monthly Operating Rept for Aug 1994 for Wolf Creek Generating Station

ML20073A674
Person / Time
Site:	Wolf Creek
Issue date:	08/31/1994
From:	Maynard O WOLF CREEK NUCLEAR OPERATING CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
WO-94-0130, WO-94-130, NUDOCS 9409200360
Download: ML20073A674 (7)

Text

.

W4tLF CREEK NUCLEAR OPERATING CORPORATION Otto L. Maynard Vice President Plant Operations September 13, 1994 WO 94-0130 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-137 Washington, D. C. 20555

Subject:

Docket No. 50-482: August, 1994, Monthly Operating Report Gentlemen:

Attached is the August, 1994, 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, O

bdd N Nh87 Otto L. Maynard i

OLM/jad Attachment cc: L. J. Callan (NRC), w/a  !

D. D. Chamberlain (NRC), w/a i D. N. Graves (NRC), w/a W. D. Reckley (NRC), w/a J. F. Ringwald (NRC) , w/a l

l 1

l 9409200360 940831 PDR ADDCK 05000487 R PDR

, b _ , ,b0.' pox 411/ Burlington, KS 66839 / Phone: (316) 364-6831 p //

An Equal Opportunity Employer MT/HCNET

e i

i i

I i

t i

I k

WOLF CREEK NUCLEAR OPERATING CORPORATION  ;

WOLF CREEK GENERATING STATION  ;

MONTHLY OPERATING REPORT l f

MONTH: AUGUST YEAR: 1994 I Docket No.: 50-482 Facility Operating License No.: NPF-42 ,

i Report No. 114 1 i

e i

i i

i t

i

'e l

'l i

1 1

1

^

-y _-

i

.kttadhment1toWO94-0130 '

l t

i  !

s t

I

SUMMARY

The following report highlights the operating experience of Wolf Creek Generating Station for _ the month of August. 1994 This report is being provided pursuant to' Technical r Specification 6.9.1.8.

I.

SUMMARY

OF OPERATING EXPERIENCE i I

The unit operated at about 100% power from August 1 through August 26. 'On August l 26, at 0341, power was reduced to approximately 93% for main turbine valve testing.

Power remained at approximately 93% for the remainder of August to minimize xenon transients, and to begin coastdown for the upcoming refueling outage.

l t

II. MAJOR SAFETY RELATED MAINTENANCE ACTIVITIES  ;

No major safety related maintenance was performed during the month of August. '

F i

[

i

-' I t

?

i a

i h

i Wolf Creek Generating Station ,

Monthly Operating Report '

August 1994 Page 1 of 5 l

l l

_ _ __ .m . . _ _ _ _ _ . . _

f

. ttadhtbent l' to WO 94-0130 OPERATING DATA REPORT  !

. DOCKET NO. 50-482  !

WOLF CREEK GENERATING STATION WOLF CREEK NUCLEAR OPERATING CORPORATION I DATE 09-01-94 TELEPHONE 316-364-8831 i

OPERATING STATUS i

1. Reporting Period: August, 1994 Gross Hours in Reportico Period: 744

2. Currently Authorized Power Level (MWt) : 3565 Max. Depend. Capacity (MWe-Net): 1160 l

Design Electrical Rating (MWe-Net): 1170 t

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 5,750.2 64,112.6  ;

6. Reactor Reserve Shutdown Hours 0.0 0.0 339.8 7 Hours Generator on Line 744.0 5,713.7 63,367.1

8. Unit Reserve Shutdown Hours 0.0 0.0 0.0

9. Gross Thermal Energy Generated (MWh) 2,577,875 19,725,651 208,990,061 i

10. Gross Electrical Energy Generated (MWh) 885,595 6,829,374 72,682,923

11. Net Electrical Energy Generated (MWh) 850,309 6,558,588 69,404,260 ,

12. Reactor Service Factor 100.0% 98.6% 81.3% i

13. Reactor Availability Factor 100.0% 98.6% 81.8%

14. Unit Service Factor 100.0% 98.0% 80.4%

15. Unit Availability Factor 100.0% 98.0% 80.4%

16. Unit Capacity Factor (Using MDC) 98.5% 98.3% 77.7%

17. Unit Capacity Factor (Using Design MWe) 97.7% 96.1% 7 0 '> 6

18. Unit Forced Outage Rate 0.0% 1.0% 5.3%

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

Refueling outage scheduled to begin September 15, 1994, lasting 58 days  !

i

20. If Shut Down at End of Report Period, Estimate Date of Startup: N/A-Wolf Creek Generating Station i Monthly Operating Report August 1994 Page 2 of 5 ,

8

.ktta$hment1toWO94-0130 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-4E2 WOLF CREEK GENERATING STATION WOLF CREEK NUCLEAR OPERATING CORPORATION DATE 09-01-94 TELEPHONE 316-364-8831 MON 7'H August, 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL i (MWe-Net) (MWe-Net) l 1 1162 17 1161 E

2 1161 18 1157 I 3 1161 19 1152 [

4 1155 20 1160 t i

5 1177 21 1161 6 1162 22 1159 l 7 1163 23 1160 8 1162 24 1159 I

9 1160 25 1150  !

10 1159 26 1091 e i

i 11 1150 27 1090 j i

12 1157 28 1085 i f

13 1159 29 1090 I i

le 1161 30 1090 15 1162 31 1091 i

16 1162 c r

Wolf Creek Generating Station Monthly Operating Report ]

August 1994 l Page 3 of 5 j i

l 1

Attachment I to WO 94-0130 .-

UNIT SHUTDOWN AND POWER REDUCTIONS ,

DOCKET NO. 50-492-WOLF CREEK GENERATING. STATION WOLF CREEK NUCLEAR OPERATING CORPORATION DATE 09-01-94 TELEPHONE 316-364-9931 Type METHOD OF SHUTTING F: FORCED DURATION REASON DOWN THE REACTOR CORRECTIVE ACTIONS / COMMENTS No Date S: SCHEDULED (Hours) (1) OR REDUCING POWER (2)

SUMMARY

The unit operated at about 100% power from August 1 through August 26. On August 26, at 0341, power was reduced to approximately 93% for main turbine valve testing. Power remained at approximately 93% for the remainder of August to minimize xenon transients, and to begin coastdown for the upcoming refueling outage

1) 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 Wolf Creek Generating Station Monthly Operating Report August 1994 Page 4 of 5

. itt:a'chment i to Wo 94-0130 WOLF CREEK NUCLEAR OPERATING CORPORATION WOLF CREEK GENERATING STATION UNIT NO. 1 MONTH August, 1994

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 August 1, 1994 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> Unit at 100% power.

August 26, 1994 0341 hours0.00395 days <br />0.0947 hours <br />5.638227e-4 weeks <br />1.297505e-4 months <br /> Power reduced to 93% for main turbine valve testing and coastdown.

August 31, 1994 2400 hours0.0278 days <br />0.667 hours <br />0.00397 weeks <br />9.132e-4 months <br /> Unit at 93% power.

Wolf Creek Generating Station Monthly Operating Report August, 1994 Page 5 of 5