ML17354A831

Monthly Operating Repts for Feb 1998 for Turkey Point,Units 3 & 4.W/980311 Ltr

ML17354A831
Person / Time
Site:	Turkey Point
Issue date:	02/28/1998
From:	HOVEY R J, MOWREY C L FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-98-070, L-98-70, NUDOCS 9803180014
Download: ML17354A831 (15)

Text

REGULA Y INFORMATION DISTRIBUTI SYSTEM (RIDS)ACCESSION NBR:9803180014 DOC.DATE: 98/02/28 NOTARIZED:

NO FACXL:50-250 Turkey Point Plant, Unit 3, Florida Power and Light C 50--251 Turkey Point Plant, Unit 4, Florida Power and Light C AUTH.NAME AUTHOR AFFILIATION MOWREY,C.L.

Florida Power 6 Light Co.HOVEY,R.J.

Florida Power 8 Light Co.RECXP.NAME RECIPIENT AFFILIATION DOCKET 05000250 05000251

SUBJECT:

Monthly operating repts for Feb 1998 for Turkey Point, Units 3 6 4.W/980311 ltr.DISTRIBUTION CODE: IE24D COPIES RECEXVED:LTR ENCL SIZE: TITLE: Monthly Operating Report (per Tech Specs)NOTES: E RECIPIENT ID CODE/NAME PD2-3 PD INTERNAL: AEOD/SPD/RRAB OC/DBA/PAD EXTERNAL: LITCO BRYCE,J H NRC PDR COPIES LTTR ENCL 1 1 1 1 1 1 1 1 1 1 RECIPIENT ID CODE/NAME CROTEAU,R FIL R GNgsswelh8Ã%+isAPcs NOAC COPXES LTTR ENCL 1 1 1 1 1 1 1 1 0 D N NOTE TO ALL"RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE.TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD)ON EXTENSION 415-2083 TOTAL NUMBER OF COPIES REQUIRED: LTTR 9 ENCL 9

PAIL.'AR 11 1998 L-98-070 10 CFR 550.36 U.S.Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C.20555 Re: Turkey Point Units 3 and 4 Docket Nos.50-250 and 50-251 Monthl 0 eratin Re ort In accordance with the requirements of Turkey Point Units 3 and 4 Technical Specification 6.9.1.5, and the guidance of Generic Letter 97-02, attached are the February 1998 Operating Status and Summary of Operating Experience Reports for Turkey Point Units 3 and 4.Very truly yours, R.J.Hovey Vice President Turkey Point Plant CLM Attachments cc: Regional Administrator, Region II, USNRC Senior Resident Inspector, USNRC, Turkey Point Plant 9803i800i4 980228 PDR ADQCK 05000250 R PDR an FPL Group company Illlllllllllllllllllllllllllllllllllllll

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.50-250 DN: k I I'ATE: March 5 1998 CDMYLBTBD BY:~C.TB HDNB: M!D MDN H~b DAY 2/1/98 2/2/98 2/3/98 2/4/98 2/5/98 2/6/98 2/7/98 2/8/98 2/9/98 2/1 0/98 2/11/98 2/12/98 2/1 3/98 2/14/98 2/15/98 2/16/98 2/17/98 2/1 8/98 2/1 9/98 2/20/98 2/21/98 2/22/98 2/23/98 2/24/98 2/25/98 2/26/98 2/27/98 2/28/98 AVERAGE DAILY POWER LEVEL (MWe-Net)730 727 731 733 736 736 738 740 740 735 735 733 729 727 731 124 0 0 0 529 627 650 704 706 6?7 726 725 720 DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE 50-250 TURKEY POINT UNIT 3 March 5 1998 C.L.Mowre REPORTING PERIOD Februa 1998 (Month/Year) 1.Design Electrical Rating (MWe-Net)720 2.Maximum Dependable Capacity (MWe-Net)693 3.Number of Hours Reactor Was Critical 4.Number of Hours Generator Was On Line 5.Unit Reserve Shutdown Hours 6.Net Electrical Energy (MWH)MONTH 591.5 582.8 0.0 411408.0-YTD-1335.5 1326.8 0.0 951942.0 CUMULATIVE 154453.3 152285.7 121.8 97364498.0

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SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.50-250 UNIT: I I H DATE: March 5 1998 COMP: C.TELEPHONE IUIO ONH I Unit 3 operated at essentially 100%power until February 16.At 0438 hours0.00507 days <br />0.122 hours <br />7.242063e-4 weeks <br />1.66659e-4 months <br />, the Unit 3 turbine reheat, intercept, and control valves closed due to a loss of turbine control oil pressure.The reactor was manually tripped subsequent to high steam flow alarms, automatic control rod insertion, and loss of electrical load.During the event, both pressurizer Power Operated Relief Valves (PORVs)momentarily cycled, as expected for a loss of secondary load.A misaligned auxiliary governor test lever was bumped by a technician, causing control oil pressure to be dumped, and allowing the turbine valves to close.Following the reactor trip a steam leak from the secondary system was discovered, caused by the failure of a 2 inch pipe upstream of a steam trap, on the Unit 4 AFW Train 2 steam supply line.To isolate the steam leak, AFW Train 2 was secured.Despite the steam leak, the AFW system provided adequate feedwater flow to the steam generators for the duration of the event.The loss of oil pressure was due to a misaligned test lever which caused the device to be sensitive to very small movement or minor bumping.The AFW steam leak was due to outside diameter (OD)corrosion resulting from water trapped under insulation.

The test lever has been repaired.All of the AFW steam piping has been pressure tested, and all of the piping susceptible to OD corrosion has been inspected.

About 50 feet of 2-inch AFW steam piping (branch lines)has been replaced.Unit 3 was returned to power on February 19, and remained above 80%power for the remainder of the month.

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.UNIT NAME: DATE: COMPLETED BY TELEPHONE:

RR ORT'ONTN~PP 50-250 T I~I 6 March 5 1998~C 305 246-6204 No.Date Duration t Hours)Reason*Hethod of Shutting Down Reactor'ause

&Corrective Action CctathentS 1060 2/16/98 89.2 Loss of Turbine Control Oil Pressure: Aux.Governor test lever repaired Steam Leak in Auxiliary Feedwater Steam Supply Piping: piping replaced Soccer S SChsdelad Iaasoa h-STssicaeat railace s aaiateaaare or Test C hefoaliad h-hedelatocy cestrirtica 2 opecatoc Traililas c ttceasa Sxaailas'tioa r-hchccaistratiee C opscatioaal secor 2 ccher (cap)ala)(ccptaia)Ieethad 1 Ilaaaal 2 Icaaaal Sarah hatoaattc Strad~Coatlaaed S load hedect ice Ccher (Scp)aia)

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.50-251 DN: i PP DATE: March 5 1998 COMPLHYBDBY:

C.L.YBLBPHONB:

RHPORY MDNYH b DAY 2/1/98 2/2/98 2/3/98 2/4/98 2/5/98 2/6/98 2/7/98 2/8/98 2/9/98 2/1 0/98 2/1 1/98 2/12/98 2/1 3/98 2/14/98'/1 5/98 2/16/98 2/17/98 2/1 8/98 2/1 9/98 2/20/98 2/21/98 2/22/98 2/23/98 2/24/98 2/25/98 2/26/98 2/27/98 2/28/98 AVERAGE DAILY POWER LEVEL (MWe-Net)729 729 732 733 736 736 736 738 738 735 735 731 728 727 731 728 718 716 719 717 719 723 722 730 731 727 726 719 OPERATING DATA REPORT DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE 50-251 TURKEY POINT UNIT 4 March 5 1998 (Month/Year) 1.Design Electrical Rating (MWe-Net)720 2.Maximum Dependable Capacity (MWe-Net)693 3.Number of Hours Reactor Was Critical 4.Number of Hours Generator Was On Line MONTH 672.0 672.0-YTD-1416.0 1416.0 CUMULATIVE 150723.5 146392.5 5.Unit Reserve Shutdown Hours I'.Net Electrical Energy (MWH)0.0 0.0 489360.0 1015319.0 577.2 94506956.0 UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.50-251 IINITNLLM I I 66 DATE: March 5 1998 OOMPLHTEOHY:

O.TELEPHONE:

N006 66--6 6 00 REPORT MONTH~00 No.Type'uration (Hours)Reason>>Nethod of Shutting Down Reactor'ause

&Corrective Action to Prevent Recurrence N/A N/A N/A N/A N/A N/A F-Forced S-Scheduled Reason A-Equipment Failure B-Maintenance or Test C-Refueling D-Regulatory restriction E-Operator Training r License Examination F-Administrative G-Operational Error (Explain)H-Other (Explain)Hethod 1-Nanual 2-Nanual Scram 3-Automat)c Scram 4-Continued 5-Load Reduction 9-Other (Explain)

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.UNIT: DATE: COMPLETE BY: TELEPHONE:

50-251 Turke Point P4 March 5 1998 C.(~6-6 OT DNTH b Unit 4 operated at essentially 100%power for the entire month.

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