ML17228A553

Monthly Operating Repts for Apr 1994 for St Lucie Units 1 & 2.W/940512 Ltr

ML17228A553
Person / Time
Site:	Saint Lucie
Issue date:	04/30/1994
From:	Sager D, Charlotte White FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-94-120, NUDOCS 9405180026
Download: ML17228A553 (15)

Text

ACCELERATED DI UTION DEMONST.TION SYSTEM 4 REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9405180026 DOC.DATE: 9@/4~4.NOTARIZED:

NO FACIL:50-335 St.Lucie Plant, Unit 1, Florida Power&Light Co.50-389 St.Lucie Plant, Unit 2, Florida Power&Light Co.AUTH.NAME AUTHOR AFFILIATION WHITE,C.D.

Florida Power&Light Co.SAGER,D.A.

Florida Power&Light Co.RECIP.NAME RECIPIENT AFFILIATION DOCKET 05000335 05000389

SUBJECT:

Month o crating repts for Apr 1994 for St Lucie Units 1&2.W/940512 ltr.DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTRI ENCL J SIZE: TITLE: Monthly Operating Report (per Tech Specs)NOTES: D RECIPIENT ID CODE/NAME PD2-2 PD INTERNAL: ACRS AEOD/DS P/TPAB NRR/DRIL/RPEB RGN2 EXTERNAL EG&G BRYCE i J~H NSIC COPIES LTTR ENCL 1 1 10 10 1 1 1 1 1 1 1 1 1 1 RECIPIENT ID CODE/NAME NORRIS,J AEOD/DOA RR~ORS OEAB REG FILE 01 NRC PDR COPIES LTTR ENCL 1 1 1 1 1 1 1 1 1 1 D D NOTE TO ALL"RIDS" RECIPIENTS:

D D PLEASE HELP US TO REDUCE WASTE!CONTACT THE DOCUMENT CONTROL DESK, ROOM P 1-37 (EXT.20079)TO ELIMINATE YOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!TOTAL NUMBER OF COPIES REQUIRED: LTTR 21 ENCL 21

.~P.O.Box 12S, Ft.Pierce, FL 34954-0128 May 12, 1994 L-94-120 10 CFR 50.36 U.S.Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 Re: St.Lucie Units 1 and 2 Docket Nos.50-335 and 50-389 Monthl 0 eratin Re ort=Attached are the April, 1994, Operating Status and Summary of Operating Experience Reports for St.Lucie, Units 1 and 2.Should there be any questions on this information, please contact us~Very truly yours, D.A.Vice r St.L i ger sident e Plant DAS/CDW/kw cc: Stewart D.Ebneter, Regional Administrator, Region II, USNRC Senior Resident Inspector, USNRC, St.Lucie Plant Attachments DAS/PSL 81121-94 9405180026,940430

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~(~~kj OPERATING DATA REPORT OPERATING STATUS DOCKET NO 50-335 DATE 5/9/94 COMPLETED BY C.D.WHITE TELEPHONE 407/468/4248 1.UNIT NAME: ST.LUCIE UNIT 1 2.REPORTING PERIOD: APRIL 1994 3.LICENSED THERMAL POWER (MWT): 2700 4.NAMEPLATE RATING (GROSS MWE): 850 5.DESIGN ELECTRICAL RATING (NET MWE): 830 6.MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 872 7.MAXIMUM DEPENDABLE CAPACITY (NET MWE): 839 8.IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS NUMBER 3 THROUGH 7)SINCE LAST REPORT, GIVE REASONS: 9.POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWE)10.REASONS FOR RESTRICTIONS, IF ANY: MONTHLY-YTD-CUMULATIVE 11.HOURS IN REPORT PERIOD: 12.NUMBER OF HOURS REACTOR WAS CRITICAL 13.REACTOR RESERVE SHUTDOWN HOURS 14'OURS GENERATOR ON"LINE 15.UNIT RESERVE SHUTDOWN HOURS 16.GROSS THERMAL ENERGY GENERATED (MWH)17.GROSS ELECTRICAL ENERGY GENERATED (MWH)18.NET ELECTRICAL ENERGY GENERATED (MWH)19.UNIT SERVICE FACTOR 20.UNIT AVAILABILITY FACTOR 21.CAPACITY FACTOR (USING MDC NET)22.CAPACITY FACTOR (USING DER NET)23.UNZT FORCED OUTAGE RATE 24.SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS UNIT 1 CYCLE 13 REFUELING OUTAGE SCHEDULED 719 710.2 0.0 659.4 0.0 1741819 572710 541166 91.7 91.7 89.7 90.7 8.3 2879 2772.4 0.0 2714.7 0.0 7229577 2374370 2246703 94.3 94.3 93.0 94.0 5.7 152159.0 118302.4 205.3 117069.6 39.3 302994878 99987660 94505065 76.9 77.0 76.4 75.7 4.0 TO BEGIN OCTOBER 15, 1994.25.IF SHUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO~.UNIT: DATE COMPLETED BY: TELEPHONE:

50-335 St.Lucie g1 05/09/94 C.D.White (407)468-4248 DAY MONTH APRIL 1994 AVERAGE DAILY POWER LEVEL (MWe-Net)4/01/94 4/02/94 4/03/94 4/04/94 4/05/94 4/06/94 4/07/94 4/08/94 4/09/94 4/10/94 4/11/94 4/12/94 4/13/94 4/14/94 4/15/94 4/16/94 4/17/94 4/18/94 4/19/94 4/20/94 4/21/94 4/22/94 4/23/94 4/24/94 4/25/94 4/26/94 4/27/94 4/28/94 4/29/94 4/30/94-34 66-31 668 847 854 854 851 851 846 850 850 849 849 853 854 852 845 844 843 841 842 844 836 833 834 832 828 781 818 4l

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO~.UNIT DATE: COMPLETED BY: TELEPHONE:

50-335 St.Lucie g1 05/09/94 C.D.White (407)468-4248 REPORT MONTH APRIL 1994 Unit 1 was off-line until April 2,1994, to repair a shutdown cooling suction isolation valve.The repair was completed and reactor power was increased to approximately 204.On April 2, 1994, the unit was held at 204 to repair the 1A startup transformer breaker.On April 3, 1994, the unit tripped automatically due to a control element drive mechanism bus overcurrent and undervoltage transient caused by a procedural error.On April 4,1994, Unit 1 was increased in power and the average daily power level remained above 804 for the rest of the month.In accordance with the requirements of Technical Specification 6.9.1.6, there were no challenges to the PORVs or safety valves during the report period.

'I UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-335 UNIT NAME: ST LUCIE UNIT I DATE: 05/09/94 COMPLETED BY: C.D.WHITE TELEPHONE:

(407)468-4248 REPORT MONTH APRIL 1 4 No.Date Type Duration (Hours)Reason Method of Shutting Down Reactor Licensee Event Report System Codes Component Codes Cause&Corrective Action to Prevent Recurrence 3/29/94 4/2/94 35.3 0.0 B N/A N/A CF EB VALVES TRANS F Unit 1 remained off-line to repair a shutdown cooling system suction isolation valve.Unit 1 remained at low power to repair the 1A startup transformer breaker.4/3/94 24.3 G LER 94-04 ED GENERA Unit 1 reactor/turbine trip due to procedural error.F Forced S Scheduled Reason A-Equipment failure (explain)B-Maintenance or Test C-Refueling D-Regulatory restriction E-Operator Training de License Examination F-Administrative G-Operational Error (Explain)H-Other (Explain)Method 1-Manual 2-Manual Scram 3-Automatic Scram 4-Continued 5-Load Reduction 9-Other (Explain)Exhibit G-Insttuctions for Preparation of Data Entry Shccts Licenscc Event Rcport (LER)File (NUREG4161)

Exhibit 1-Same Source OPERATING DATA REPORT OPERATING STATUS DOCKET NO 50-389 DATE 5/9/94 COMPLETED BY C.D.WHITE TELEPHONE 407/468/4248 1.UNIT NAME: ST.LUCZE UNIT 2 2.REPORTING PERIOD: 'PRIL 1994 3.LICENSED THERMAL POWER (MWT): 2700 4.NAMEPLATE RATING (GROSS MWE): 850 5.DESIGN ELECTRICAL RATING (NET MWE): 830 6.MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 882 7.MAXIMUM DEPENDABLE CAPACITY (NET MWE): 839 8.IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS NUMBER 3 THROUGH 7)SINCE LAST REPORT, GIVE REASONS: 9.POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWE)10 REASONS FOR RESTRICTIONS g ZF ANY'ONTHLY-YTD-CUMULATIVE 11.HOURS IN REPORT PERIOD: 12.NUMBER OF HOURS REACTOR WAS CRITICAL 13.REACTOR RESERVE SHUTDOWN HOURS 14.HOURS GENERATOR ON-LINE 15.UNIT RESERVE SHUTDOWN HOURS 16.GROSS THERMAL ENERGY GENERATED (MWH)17.GROSS ELECTRICAL ENERGY GENERATED (MWH)18.NET ELECTRICAL ENERGY GENERATED (MWH)19.UNIT SERVZCE FACTOR 20.UNIT AVAILABILITY FACTOR 21.CAPACITY FACTOR (USING MDC NET)22.CAPACITY FACTOR (USING DER NET)23.UNIT FORCED OUTAGE RATE 24.SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS 719 192.3 0.0 82.6 0.0 105358 30760 13815 11.5 11.5 2.3 2.3 58.9 2879 1248.4 0.0 1138.7 0.0 2913584 941450 870046 39.6 39.6 36.0 36.4 9.4 94056.0 78412.1 0.0 77034.0 0.0 199874509 66451000 62771217 81.9 81.9 80.5 80.9 7.4 25.IF SHUT DOWN AT END OF REPORT PERIOD, ESTZMATED DATE OF STARTUP:

-AVERAGE DAILY UNIT POWER LEVEL DOCKET NO~'NIT DATE: COMPLETED BY TELEPHONE:

50-389 St.Lucie g2 05/09/94, C.D.White (407)468-4248 MONTH APRZL 1994 DAY 4/01/94 4/02/94 4/03/94 4/04/94 4/05/94 4/06/94 4/07/94 4/08/94 4/09/94 4/10/94 4/11/94 4/12/94 4/13/94 4/14/94 4/15/94 4/16/94 4/17/94 4/18/94 4/19/94 4/20/94 4/21/94 4/22/94 4/23/94 4/24/94 4/25/94 4/26/94 4/27/94 4/28/94 4/29/94 4/30/94 AVERAGE DAZLY POWER LEVEL (MWe-Net)-12-12-11-12-11-9-9-9-11-12-12-13-17-24-28-30-30-31-32-32-32 36 69-32-32-32-32 65 363 558

'I

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.: UNIT0 DATE COMPLETED BY: TELEPHONE:

50-389 St.Lucie g2 05/09/94 C.D.White (407)468-4248 REPORT MONTH APRIL 1994 Unit 2 continued its Cycle 8 refueling outage until April 22, 1994.The unit was then operated at low power for post refueling outage testing until April 23, 1994.The unit automatically tripped on April 23, 1994 during testing due to a wiring error in the RPS channel B bypass circuit.On April 26, 1994, the unit was operated at low power during repairs to the turbine steam bypass system.From April 28, 1994, until April 30, 1994, power was increased and then held at approximately 50%for physics testing.Power was then increased to approximately 65~and held for chemistry purposes for the remainder of the month.In accordance with the requirements of Technical Specification 6.9.1.6, there were no challenges to the PORVs or safety valves during the report period.

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

50-389 ST LUCIE UNIT 2.05/09/94 C.D.WHITE~(407)468-4248 REPORT MONTH APRIL 1 4 No.Date Type Duration (Hours)Reason Method of Shutting Down Reactor Licensee Event Report System Codes Component Codes Cause&Corrective Action to Prevent Recurrence 2/14/94 4/22/94 513.9 0.0 B N/A N/A RC RC FUELXX Unit 2 operated at reduced power for post refueling tests.FUELXX Unit 2 was off-line for Cycle 8 refueling.

4/23/94 4/27/94 4/29/94 4/30/94~F 82.7 35.7 0.0 0.0 A B B B LER 94-03 N/A N/A N/A IA RC PC INSTRU VALVES FUELXX zzzzzz Unit 2 tripped during testing due to an improperly wired RPS channel B bypass circuit.Unit 2 remained at reduced power due to a problem with the turbine steam bypass system Unit 2 was held at approximately 50%power for physics testing.Unit 2 was held at approximately 65%power for chemistry testing.F Forced S Scheduled Reason A-Equipment failure (explain)B-Maintenance or Test C-Refueling D-Regulatory restriction E-Operator Training 8h Liccnsc Examination F-Administrative G-Operational Error (Explain)H-Other (Explain)Method 1-Manual 2-Manual Scram 3-Automatic Scram 4-Continued 5-Load Reduction 9-Other (Explain)Exhibit G-Instructions for preparation of Data Entry Sheets Licenscc Event Report (LER)File (NUREG4161)

Exhibit 1-Same Source I l~~~