ML17241A409

Monthly Operating Repts for June 1999 for St Lucie,Units 1 & 2.With 990712 Ltr

ML17241A409
Person / Time
Site:	Saint Lucie
Issue date:	06/30/1999
From:	Rogers J, Stall J FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GL-97-02, GL-97-2, L-99-161, NUDOCS 9907200220
Download: ML17241A409 (11)

Text

I DOCKET FACIAL:50'-'.335 St. Lucie Plant, Unit 1, Florida Power &, Light Co. 05000335 50-389 St. Lucie Plant, Unit 2, Flor'da Power & Light Co. 05000389 AUTH. NAME AUTHOR AFFILIATION ROGERS,J.A. Florida Power & Light Co.

STALL,J.A. Florida Power 6 Light Co.

RECIP.NAME RECIPIENT AFFILIATION

SUBJECT:

Monthl o crating repts for June 1999 for St Lucie,Units 1 &

.With 990712 ltr.

DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR ENCL SIZE:

TITLE: Monthly Operating Report {per Tech Specs)

NOTES:

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL GLEAVES,W 1 1 R

INTERNAL: ACRS F1LE CENTER 0 1 1 OC/DBA/PAD ES DRXK/OERAB 1 1 RGN2 EXTERNAL: LMITCO MARSHALL 1 1 NOAC 1 1 NRC PDR 1 1 D,

U

'E NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DZSTRZBUTZON 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

Florida Power 5 Light Company, 6351 S. Ocean Drive, Jensen Beach, FL 34957 July 12, 1999 PPIL.

L-99-161 10 CFR 50.36 10 CFR 50.4 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 =

Pursuant to Technical Specification 6.9.1.6 and the guidance of Generic Letter 97-02, attached are the June 1999 Operating Data Reports, Summary of Operating Experience Reports, and Unit Shutdowns and Power Reductions for St. Lucie Units 1 and 2.

i Please contact us should there be any questions regarding this information.

Very truly yours, J. A. Stall Vice President St, Lucie Plant JAS/spt Attachments cc: Regional Administrator, USNRC, Region II Senior Resident Inspector, USNRC, St. Lucie Plant 9907200220 9'rr06SO PDR- ADOCK 05000335 R PURE

<00))g@

an FPL Group company

VP yg 4

I

'I L.

1 J

DOCKET NO 50 - 335 UNT NAhdE ST. LUCIE UNIT 1 DATE 07/06/99 COMPLETED BY J. A. ROGERS TELEPHONE 561/467/7296 REPORTING PERIOD: JUNE 1999

1. Design Electrical Rating (Mwe-Net) 830

2. Maximum Dependable Capacity (Mwe-Net) 839 MONTH -YTD- CUMULATIVE

3. Number of Hours Reactor Critical 720 4343 156312.5

4. Number of Hours Generator On Line 720 4343 154676.7

5. Unit Reserve Shutdown Hours 0.0 0.0 0.0

6. Net Electrical Energy (MWEI) 611174 3706905 125627443

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.: 50-335 UNIT: St. Lucie ¹I DATE: July 6, 1999 COMPLETED BY: J.A.ROGERS TELEPHONE: (561) 467-7296 REPORT MONTH June 1999 Unit 1 operated at essentially full power for the entire month of June.

In accordance with the requirements of Technical Specification 6.9.1.6, there were no challenges to the power operated relief valves or the safety valves during the report period.

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-335 UNIT: St. Lucie N1 DATE: July 6, 1999 COMPLETED J.A.ROGERS BY'ELEPHONE:

(561) 467-7296 REPORT MONTH June 1999 Number Date Type Duration Reason Method of Cause (x Corrective 1 (Hours) 2 Shutting Action to Down Prevent Recurrence Reactor3 Unit l operated at essentially full power for the entire month of June.

1 2 3 F Forced Reason Method A - Equipment 1 - Manual S Scheduled

- MaintenanceFailure (Explain) 2 - Manual Scram B

C - Refueling or Test 3 - Automatic Scram D - Regulatory Restriction Continued E - Operator Training e License Examination 4

5 - Load Reduction F - ~nistrative 9 - Other (Explain)

G Operational Error (Explain)

H - Other (Explain) 091199 99L

DOCKET NO 50 - 389 UNIT NAME ST. LUCIE UNIT 2 DATE 07/06/99 COMPLETED BY J. A. ROGERS TELEPHONE 561/467/7296 REPORTING PERIOD: JUNE 1999

1. Design Electrical Rating (Mwe-Net) 830

2. Maximum Dependable Capacity (Mwe-Net) 839 MONTH -YTD- CUMULATIVE

3. Number of Hours Reactor Critical 552.6 4175.6 119475.3

4. Number of Hours Generator On Line 543.7 4166.7 117817.4

5. Unit Reserve Shutdown Hours 0.0 0.0 0.0

6. Net Electrical Energy (MWH) 416688 3455032 96460876

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.: 50-389 UNIT: St. Lucie ¹2 DATE: July 6, 1999 COMPLETED BY: J.A.ROGERS TELEPHONE: (561) 467-7296 REPORT MONTH June 1999 Unit 2 was at full power at start of month. On June 1, the unit downpowered to approximately 49%

due to a failing sensor causing CEA 40 to drop. On June 4, the unit was manually tripped due to a CEA sub group drop and power switch troubleshooting. Details of this event may be found in LER 1999-006. On June 11, the unit returned to service and returned to full power on June 12.

In accordance with the requirements of Technical Specification 6.9.1.6, there were no challenges to the power operated relief valves or the safety valves during the report period.

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO ~: 50-389 UNIT: St. Lucie N2 DATE: July 6, 1999 COMPLETED BY J.A.ROGERS TELEPHONE: (561) 467-7296 REPORT MONTH June 1999 Number Date TYPe Reason Method of Cause E Corrective 1 Duration 2 Shutting Action to (Hours) Down Prevent Recurrence Reactor3 6/1/99 0.0 Unit 2 donT)poised due to failed sensor causing CEA 40 to drop.

Unit 2 manually tripped due to a CEA sub group drop and 6/4/99 176.3 pokier mvitch troubleshooting. Details of this cent may be found in LER 1999406.

F Forced Reason Method S Scheduled A - Equipment Failure tExplain) 1 - Manual B - Maintenance or Test 2 - Manual Scram C - Refueling 3 - Automatic Scram D - Regulatory Restriction 4 - Continued E - Operator Training 4 License Examination 5 - Load Reduction F - Administrative 9 - Other tExplain)

G - Operational Error (Explain)

H - Other tExplain) 091541 FPL

0 4