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

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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

1 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

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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.

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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.

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MAJOR SAFETY RELATED MAINTENANCE ACTIVITIES No major safety related maintenance was performed during the month of August.

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i Wolf Creek Generating Station Monthly Operating Report August 1994 Page 1 of 5 l

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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 OPERATING STATUS i

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%

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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

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3 1161 19 1152 4

1155 20 1160 t

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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

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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

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August 1994 Page 3 of 5 j

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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