ML17291B013

Monthly Operating Rept for Aug 1995 for WNP-2.W/950911 Ltr

ML17291B013
Person / Time
Site:	Columbia
Issue date:	08/31/1995
From:	Embree D, Parrish J WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GO2-95-174, NUDOCS 9509180179
Download: ML17291B013 (6)

Text

RZ0RXTY 1 (ACCELERATED RZDS PROCESSING)

REGULATORY INFORMATXON DXSTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9509180179 DOC.DATE: 95/08/31 NOTARIZED: NO DOCKET FACIL:50-397 WPPSS Nuclear Project, Unit 2, Washington Public Powe 05000397 P AUTH. NAME AUTHOR AFFILXATXON EMBREE,D.G. Washington Public Power Supply System PARRISH,J.V. Washington Public Power Supply System RECIP.NAME RECXPIENT AFFILIATION

SUBJECT:

Monthly operating rept DISTRIBUTION CODE: IE24D for Aug 1995 COPIES RECEIVED:LTR TITLE: Monthly Operating Report (per Tech NOTES:

for J

Specs)

ENCL i WNP-2.W/950911 SIZE ltr. 0 RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD4-2 PD 1 1 CLIFFORD,J 1 ~ 1 INTERNAL: AC 10 10 AEOD/SPD/RRAB 1 1 LE CEN 1 1 1 NRR/DISP/PIPB 1 1 DRPM/PECB 1 1 RGN4 1 1 EXTERNAL: LITCO BRYCE, J H 5 1 1 NOAC 1 1 NRC PDR 1 1 D

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N NOTE,TO ALL "RIDS" RECZPZENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM OWFN 5D8 (415-2083) TO ELIMINATE YOUR NAME FROM DISTRIBUTION LISTS FOR. DOCUMENTS YOU DON'T NEED!

TOTAL NUMBER OF COPIES REQUIRED: LTTR 20 ENCL 20

c' WASHINGTON PUBLIC POWER SUPPLY SYSTEM P.O. Box 968 ~ 3000 George Washington Way ~ Richland, Washington 99352 September 11, 1995 G02-95-174 Docket No. 50-397 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D. C. 20555 Gentlemen:

Subject:

WNP-2 OPERATING LICENSE NPF-21 MONTHLYOPERATING REPORT AUGUST 1995 Transmitted herewith is the Monthly Operating Report for the month of August 1995 as required by Technical Specification 6.9.1.6.

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Vice President, Nuclear Operations JVP:DGE CC: LJ Callan, NRC RIV NRC Sr. Resident Inspector (927N)

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OPERATING STATUS REPORT for WNP-2 Date: September 1, 1995 Docket: 50-397

2. Reporting Period: AUGUST 1995 Outage + On-line Hours: 744.0

3. Utility

Contact:

David G. Embree (509) 377-8448 4 Licensed Thermal Power (MW, ): 3486

5. Nameplate Rating (Gross MW, ): 1199*

6. Design Electrical Rating (Net MW,): 1153"

7. Maximum Dependable Capacity (Gross MW,):

1145"'aximum

8. Dependable Capacity (Net MW, ): 1099*

9. If changes occur above since last report, give reasons:

• Electrical ratings have been revised due to the reactor power uprate.

10. Power to which restricted, if any (Net MW,): None

11. Reasons for restrictions, if any:

MONTH YEAR CUMULATIVE

12. Report Period Hours 744.0 5,831.0 93,919.2

13. Hours Reactor Critical 744.0 4,006.2 66,706.8 14, Rx Reserve Shutdown Hours 0.0 404.5 744.9

15. Hours Generator On-Line 744.0 3,753.9 64,321.5

16. Unit Reserve Shutdown Hours 0.0 577.1 958.8

17. Gross Thermal Energy (MWH) 2,342,128 11,900,778 191,163,618

18. Gross Electrical Energy (MwH) 802,900 4,078,240 64,431,740

19. Net Electrical Energy (MWH) 772,644 3,902,056 61,727,190

20. Unit Service Factor 100.0% 64.4% 68.5%

21. Unit Availability Factor 100.0% 74.3% 69.5%

22. Unit Capacity Factor (MDC Net) 94.5% 61.5% 60.2%

23. Unit Capacity Factor (DER Net) 90.0% 59.5% 59.5%

24. Unit Forced Outage Rate 0.0% 8.5% 11.5%

25. Forced Outage Hours 0.0 348.6 8,319.7

26. Shutdowns scheduled over the next 6 months (type, date, duration): None

27. Ifcurrently shutdown, estimated startup date: NA Note: Cumulative Unit Capacity Factors (MDC & DER) are calculated with weighted averages.

t AVERAGE DAILY UNIT POWER LEVEL t

DOCKET NO.: 50-397 UNIT: WNP-2 DATE: September 1, 1995 COMPLETED BY: D. G. Embree TELEPHONE: (509) 377-8448 REPORT PERIOD: AUGUST 1995 AVERAGE DAILYPOWER LEVEL AVERAGE DAILYPOWER LEVEL DAY (Net MWe) DAY (Net MWe) 1145 16 756 1144 17 751 1146 18 748 1143 19 748 1142 20 851 938 21 1125 1032 22 1154 1157 23 1149 1155 24 1082 10 1150 25 1057 988 26 1153 12 1033 27 1152 13 1039 28 1154 14 891 29 1152 15 754 30 1155 31 1152 INSTRUCTIONS On this form, list the average daily unit power level in MWe (net) for each day in the reporting month.

Compute to the nearest whole megawatt.

These figures will be used to plot a graph for each reporting month. Note that when maximum dependable capacity is used for the net electrical rating of the unit, there may be occasions when the daily average power level exceeds the 1009o line (or the restricted power level line). In such cases, the average daily unit power output sheet should be footnoted to explain the apparent anomaly.

UNIT SHUTDOWNS AND POWER REDUCTIONS 4

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DOCKET NO.: 50-397 UNIT NAME: WNP-2 DATE: September 1, 1995 COMPLETED BY: D.G. Embree TELEPHONE: (509) 3774448-REPORT PERIOD: AUGUST 1995 No. Date Type Hours Reason Method LER Number System Component Cause and Corrective Action To Prevent Recurrence 95-07 8/6/95 17.6 A NA INSTRU Limit turbine throttle valve position switches were possibly adjusted too close to the reset point during calibration (during R10). It is possible that during this calibration, which was performed with the plant shutdown, the limit switches were set in a position that did not leave sufficient margin for thermal expansion. Adjusted.

95%8 8/11/95 F 236.0 A NA CH INSTRU 1) Mechanical linkage loose/out of adjustment on feedwater pump turbine speed control. Adjusted.

2) Wiring/coil degradation within the actuator of the governor control system. Replaced with refurbished unit.

SUMMARY

At the beginning of the month, the plant was operating at full power. While conducting monthly turbine valve testing, the plant experienced main turbine throttle valve position indication problems. The plant returned to full power operation following repairs and re-calibration of position indication. Later, the plant reduced power to trouble shoot reactor feedwater pump speed control problems. Following repairs to speed control linkage and governor valve actuator system, the plant returned to full power operation.

TYPE REASON METHOD SYSTEM & COMPONENT F - Forced A - Equipment Failure E - Operator Training & 1 - Manual NUREGA161 Exhibits F & H S - Scheduled B - Maintenance or Test License Examination 2 - Manual Scram C - Refueling F - Administration 3 - Auto Scram D - Regulatory Restriction G - Operational Error 4 - Continued H - Other 5 - Reduced Load 9 - Other