ML20206S058

Monthly Operating Rept 25 for Mar 1987

ML20206S058
Person / Time
Site:	Wolf Creek
Issue date:	03/31/1987
From:	Mike Williams, Withers B WOLF CREEK NUCLEAR OPERATING CORP.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
25, WM-87-0115, WM-87-115, NUDOCS 8704220324
Download: ML20206S058 (8)

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WOLF CREEK NUCLEAR OPERATING CORPORATION NOLF CREEK GENEPATING STATION MON 1HLY OPERATING REPORP MONIN: -March YEAR: 1987 Docket No.: 50-482 Facility Operating License No.: NPF Report No. 25 1

Prepared by:

Merlin G. Willians 4

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l 8704220324 870331 PDR ADOCK 05000482 ,

R PDR IEay- - l l l ,

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'Ihe following report highlights the operating experience of Wolf Creek Generating Station for the month of March, 1987. This report is beirg provided pursuant to Technical Specification 6.9.1.8.

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SUMMARY

OF OPERATING EXPERIENCE The plant operated in mde 1, Power Operation, near 100 percent power throtshout the month, except for a reduction to 74 percent on March 7 and 8, due to reduced system demand.

II. MAJOR SAFE 7fY REIATED MAINTENANCE ACTIVITIES

1. Replacement of the Control Room ventilation supply chlorine monitor, GK AITS-3.

2. Replacement of the regulator for the turbine driven Auxiliary Feedwater Punp regulating valve to Stean Generator "C", AL HV-12.

3. Replacement of the fan shaft on the Fuel Fool Cooling Pung roan cooler.

III. CHANGES, TESTS, AND EXPERIMENTS

'Ihe following is a brief description of safety evaluations performed pursuant to 10 CFR 50.59 on changes, tests, and experiments durirg the month of March.

1. Plant !bdification Request 00474 - Originated to provide drain.

pipinj to allow gravity drainage of waste oil fran existirg collector troughs on the Diesel Generator engines to existing oily waste drains. No unreviewed safety or environnental questions are generated as a result of this plant modification.

2. Plant Modification Request 00804, revision 5 - Originated to delete modifications that have been completed by PMR 01911 fran this PMR, which modifies the CRDM ductwork to facilitate quick removal and replacement. No unreviewed safety or environmental questions are generated as a result of this plant modification.

3. Plant Ibdification Request 00928, revision 1 - Originated to add a safety evaluation to this PMR, which changes the setpoint for the high hydrogen alarm for the outlet gas of the hydrogen recambiner. No unreviewed safety or environnental questions are generated as a result of this plant modification.

4. Plant Ndification Request KN84-075, revisions 2 thru 7 - 1 Originated to provide construction details for the PMR, which j provides a waste water treatment facility. No unreviewed safety 1 or environmental questions are generated as a result of this plant modification.

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l Wolf Creek Generating Station Monthly Operating Report March 1987 Page 1 of 6

5. Plant M]dification Request 01622, revision 1 - Originated to revise the safety evaluation for this PMR, which replaces the Water Treatment system acid dilution water flow meter. No unreviewed safety or enviromental questions are generated as a result of this plant modification.

6. Plant Modification Request 01847 - Originated to change the high main steau conductivity alarm setpoint. No unreviewed safety or enviromental questions are generated as a result of this plant modification.

7. Plant Madification Request 01837 - Originated to change two torque specifications concerning the Reactor Coolant Pmps. No unreviewed safety or environmental questions are generated as a result of this plant modification.

8. Plant M3dification Request 02013 - Originated to change the size of a rivet used to repair a fire danper seal. No unreviewed safety or environmental questions are generated as a result of this plant modification.

9. Safety Evaluation 84-SE-015 - Originated to temporarily replace the cooler / fan shaft for Spent Fuel Pool Cooling Pmp Room cooler SGG04A with a non-Q shaft. No unreviewed safety or environmental questions are generated as a result of this tenporary modification.

I Wolf Creek Generating Station Monthly Operating Report March 1987 Page 2 of 6

OPERATING DATA REPORT DOCKET NO. 50-482 WOLF CREEK GENERATING STATION WOLF CREEK NUCLEAR OPERATING CORPORATION DATE 04-01-87 COMPLETED BY M. Willians TELEPHONE 316-364-8831 OPERATING STATUS

1. Reportirg Period: March, 1987 Gross Hours in Reporting Period: 744

2. Currently Authorized Power Level (Mit): 3411 Max. Depend. Capacity (Mie-Net) : 1128 Design Electrical Rating (Mie-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 Cunulative

5. Number of Hours Reactor was Critical 744.0 2069.3 11383.2

6. Reactor Reserve Shutdown Hours 0.0 64.2 235.5

7. Hours Generator on Line 744.0 1984.9 11175.0.

8. Unit Reserve Shutdown Hours 0.0 0.0 0.0

9. Gross Thermal Energy Generated (M*l) 2,471,746 6,197,503 35,942,845

10. Gross Electrical Energy Generated (MWH) 868,120 2,183,796 12,550,166

11. Net Electrical Energy Generated (MWH) 833,376 2,083,580 11,982,869

12. Reactor Service Factor 100.0 95.8 82.5

13. Reactor Availability Factor 100.0 98.8 84.2

14. Unit Service Factor 100.0 91.9 81.0

15. Unit Availability Factor 100.0 91.9 81.0

16. Unit Capacity Factor (Using MDC) 99.3 85.5 77.0 l

17. Unit Capacity Factor (Using Design MWe) 95.7 82.4 74.2 l

18. Unit Forced Outage Rate 0.0 2.2 4.0 '

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

Refueling outage, October 1, 1987, 8 weeks. ,

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20. If Shut Down at End of Report Period, Estimated Date of Startup: N/A Wolf Creek Generating Station Monthly Operatirx3 Report March 1987 Page 3 of 6

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AVERAG DAILY UNIT POWER LEVEL DOCKET NO. 50-482 WOLF CREEK T NERATING STATION WOLF CREEK NUCLEAR OPERATING CORPORATION

'DATE. 94-01-87 i COMPLETED BY.M.. Williams TELEPHONE 316-364-8831 MONTH. . March,.1987 ..... ..

. DAY AVERAGE DAILY POWER LEVEL DAY AVERA 2 DAILY POWER LEVEL (tWe-Net) (%-Net) 1 1148 17 - .1147 .-.. .

2 1148 18 1148 .. .

3 .1148.. 19 11145 .

j 4 .. 1145 20 . ..1144 .

5 1142 21 . 1151 ..

6 . .1146 22 . 1149 . .

. 7 -854 . - 23 . . .

1147 . ..

8 .833 24 . . .1147

, 9 1974 . 25 . 1131E .

10 - 1149 . 26 . 1147 . . . .

11 1130 27 .1148 . .

12 1123 . 28 . . 1147 .

13 1121.. 29 .. 1146 l-14 1117 30 1147 . .

15 1116 - 31 .1147 . . -

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Wolf Creek Generating Station' Monthly Operating Report

)' March 1987 Page 4 of 6

UNIT SHUIDOWN AND POWER RFLUCTIONS '.

DOCKET NO. 50-482 ,

WOLF CREEK GENERATING STA% ION WOLF CREEK NUCLEAR OPERATING CORPOPATION DATE 4-01 COMPLETED BY M. Willians REPORP 10NIH March, 1987 TELEPHONE 316-364-8831 TYPE ME1EODS SHUITING F: FORCED DURATION REASON DOWN 'IEE REACIOR CORRECTIVE ACTIONS /OOMMENTS No Date S: SCHEDULED (HOURS) (1) OR REDUCING IOWER(2) 7 870307 S 0 H 1 Power reduction to 74 percent requested by Systen Operations

..-,~ .. c; SuemRY: Unit power was reduced on March 7 arrl 8, 1987 at the request of Systen Operations.

(1) REASON: A: EQUIPMENT FAILURE (EXPLAIN) E: OPERA'lDR TRAINING AND LICENSE EXAMINATION (2) METHOD: 1. MANUAL B: MAINTENANCE OR TEST F: ADMINISTRATIVE 2. MANUAL SCRAM C: REFUELING G: OPERATIONAL ERROR (EXPLAIN) 3. AUIOMATIC SCRAM D: REGUIA'IORY RESTRICTION H: 01EER (EXPIAIN) 4. OIEER (EXPLAIN)

Wolf Creek Generating Station Monthly Operating Report-March 1987 Page 5 of 6 i

,e NOLF CREEK NUCLEAR OPERATING CORPORATION l WOLF CREEK GENERATING STATION UNIT NO. 1 MORIH March, 1987 ,

SUPNARY OF OPERATING EXPERIINCE Listed below in chronological sequence is a stenary of operating experiences for this month which required loa 3 reduction or resulted in significant non-loa 3 related incidents.

DATE TIME EVENP March 6, 1987 2300 Comnenced load reduction to 74 percent.

March 9, 1987 0400 Commenced load increase to 100 percent.

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i Wolf Creek Generating Station Monthly Operating Report j March 1987 Page 6 of 6

CNUCLEAR OPERATING CORPORATION April 15, 1987 U. S. Nuclear Regulatory Connission ATTN: Document Control Sask Washington, D. C. 20555 Ietter: WM 87-0115 Re: Docket No. 50-482 Subj: March,1987, Monthly Operating Report Gentlemen:

Enclosed is the March, 1987, 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,

a s Bart D. Withers President and Chief Executive Officer BDW:jad Enclosure cc: PO'Connor (2), w/a RMartin, w/a j JCummins, w/a j t

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P.O. Box 411/ Burlington, KS 66839 / Phone: (316) 364-8831 An Ecuan Opperanty Emosoyer M F HCVET

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