ML17223B283

Monthly Operating Repts for Sept 1991 for St Lucie Units 1 & 2.W/911013 Ltr

ML17223B283
Person / Time
Site:	Saint Lucie
Issue date:	09/30/1991
From:	Breen J, Sager D FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-91-269, NUDOCS 9110240239
Download: ML17223B283 (17)

Text

, ACCELERATED DIS UTION DEMONST TION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9110240239 DOC.DATE: 91/09/30 NOTARIZED: NO DOCKET FACIL:50-335 St. Lucie Plant, Unit 1, Florida Power & Light Co. 05000335 50-389 St. Lucie Plant, Unit 2, Florida Power & Light Co. 05000389 AUTH. NAME AUTHOR AFFILIATION BREENIJ.J. Florida Power & Light Co.

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

RECIP.NAME RECIPIENT AFFILIATION

SUBJECT:

Monthly operating repts for Sept 1991 for St Lucie Units 1 &

ltr. D 2.W/911013 DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR TITLE: Monthly Operating Report (per Tech Specs) i ENCL L SIZE:

NOTES:

A RECIPXENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL D PD2-2 LA 3 3 PD2-2 PD 1 1 NORRIS,J 1 1 D INTERNAL: ACRS 10 10 AEOD/DOA 1 1 AEOD/DS P/TPAB 1 1 NRg/J3LP EB10 1 1 NRR/DOEA/OEAB 1 1 R~.'"I LE 01 1 1 RGN2 1 1 EXTERNAL EG&G BRYCE E J ~ H 1 1 NRC PDR 1 1 NSIC 1 1 D

D D

NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WAFfE! CONTACT THE DOCUMENT CONTROL DESK, ROOM P 1-37 (EXT. 20079) TO ELIMINATEYOUR NAME FROM DISTRIBUTION LISIS FOR DOCUMENTS YOU DON'T NEED!

TOTAL NUMBER OF COPIES REQUIRED: LTTR 24 ENCL 24

P.Q, Box, Ft. Pierce, FL 34954-0128 OCT f3 SS1 L-91-269 10 CFR 50.36 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 Gentlemen:

Re: St. Lucie Units 1 and 2 Docket Nos. 50-335 and 50-389 Monthl 0 eratin Re ort Attached are the September 1991 Operating Status and Summary of Operating Experience Reports for St. Lucie Units 1 and 2.

Should you have any cpxestions on this information, please contact us ~

Very truly yours, D. A. Sa r Vice Pr s dent St. Luci Plant DAS:JJB:kw cc: Stewart D. Ebneter, Regional Administrator, Region Senior Resident Inspector, USNRC, St. Lucie Plant II, USNRC Attachments DAS/PSL N534-91 9ii0240239 9'i05'30 PDR ADQCK 05000335 R

PDR an FPL Group company

AVERAGE DAILY UNIT POWER DOCKET NO ~ 50-335 COMPLETED BY

~11 J.J. Breen MONTH SEPTEMBER 1991 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 9/ 1/91 849 9/ 2/91 847 9/ 3/91 845 9/ 4/91 845

'/91 846 9/ 6/91 847 9/ 7/91 844 9/ 8/91 840 9/ 9/91 838 9/10/91 839 9/11/91 838 9/12/91 835 9/13/91 779 9/14/91 565 9/15/91 833 9/16/91 842 9/17/91 840 9/18/91 357 9/19/91 221 9/20/91 844 9/21/91 839 9/22/91 ,839 9/23/91 840 9/24/91 838 9/25/91 841 9/26/91 842 9/27/91 840 9/28/91 839 9/29/91 839 9/30/91 837

lN

'k

4 OPERATING DATA REPORT

'CT'J DQCj(ET NQ DATE COMr-LETED BY 50 335 J, J, 8 N9$

BREEN TELEPHONE 4<)7/468/4248 OPERATING STATUS UNIT NAME: ST. LUCIE UNIT 1

2. REPORTING PERIOD ) SEPTEMBER 1991

3. LXCENSED THERMAL POWER (MAT): 2700

4. NAMFPLATE RATING ( GROSS MHE ): 850 5i DESTGN El ECTRXC*L RATXNG (NET MHE): 830 6o MAXIMUM DEPENDABLE CAPACXTY <GROSS MME)l 872 7i MAXIMUM DEPENDABLE CAPACITY <NET MHE) ! 839 8, XF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS NUMBER 3 THROUGH 7)

SINCE LAST REPORT ~ GIVE REASONS:

9i POWER LEVEL TO WHICH RESTRICTED~ IF ANY <NET MHE)

10. REASONS FOR RESTRICTIONS IF ANY l MONTHLY -YTD- CUMULATXVE

11. HOURS IN REPORT PERIOD: 720 6551 129527iO 12 ~ NUMBER OF HOURS REACTOR HAS CRITXCAL 695o9 6449.7' 99408.1 1 3 ~ REACTOR RESERVE SHUTDOWN HQURS OiO ' 205.3 14'5m HOURS GENERATOR ON-LXNE 693' 6425.4 98529o7 UNXT RESERVE SHUTDOHN HOURS OoO OiO 39.3 16'7 GROSS THERMAL ENERGY GENERATED (MHH) 1838346 16858756 254108810 t GROSS ELECTRICAL ENERGY GENERATED ( MHH) 603120 5589500 83798140

18. NET ELECTRICAL ENERGY GENERATED ( MWH ) 570852 5295173 79187915 UNIT SERVICE FACTOR 96+3 98oi 76.1 19'0'1'2+

UNIT AVAILABILITYFACTOR 96i3 98+ 1 76ii CAPACXTY FACTOR (USXNG MDC NET) 94i5 96.3 75.7 CAPACXTY FACTOR (USING DER NET) 95o5 97i4 74 i 7 231 UNXT FORCED OUTAGE RATE 317 1 i3 4.2 24< SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS 10/18/91$ REFUELING 63 DAYS 25 i IF SHUT DOWN AT END OF REPORT PERIOD t ESTIMATED DATE OF STARTUP t

UNIT SHUTDOWNS AI'6) POWER REDUCTIONS DOCKET NO. 50-3 5 UNIT NAME ST LUCIE UNIT 1 DATE OtlT Ql COMPLETED BY J. J. BREEN PELEPHOHE 544045L 5 0 REPORT MONTH SEPTEMBER 1 1 No. Date Type Duration (Hours)

Reason'ethod of Shutting Reactor'icensee Event Report System Code'omponent Code'ause & Corrective Action to Down Prevent Recurrence 22 910913 0.0 B N/A HF Unit 1 downpowered for cleaning of the 1B1 waterbox.

910918 5.3 LER 9146 CKTBRK Unit 1 automatically tripped due to operator error while synchronizing the MG Sets.

910918 21.25 N/A IF XXXXXX Delays with the H2 Analyzer were experienced when Unit 1 attempted to increase power.

F Forced Reasoa Method Edubit G - Instructions for S Scheduled A - Equipment failure (cxphin) 1 - Manual Preparadon of Data Entry B - Maintcaanec or Test 2 - Manual Scram Sheets Liceasee Event Report C - Refueling 3 - Automatic Scram (LER) File (NUREG-0161)

D - Regulatory estrictioa 4 - Getinued E - Operator Training dc license Examiaation 5 - Load Reduction F - Administrative 9 - Other (Exphin) Ed'>it 1 - Same Source G <<Operational Error (Expalin)

H - Other (Explaia)

P P

SUMMARY

OF OPERATING EXPERIENCE DOCKET N00 50-335 UNIT St. Lucie 1 DATE . 13 3 COMPLETED BY J.J. Breen TELEPHONE 407 468-4248 REPORT MONTH SEPTEMBER 1991 From September 13; 1991, to September 14, 1991, Unit 1 downpowered for cleaning of the 1B1 waterbox. Upon completion of waterbox cleaning, Unit 1 increased power on September 15, 1991, and remained there until September 18, 1991. On September 18, 1991, an automatic reactor trip caused by operator error'occurred. Improper synchronizing of the MG Sets was the root cause and this event will be reported in LER 91-06. In an attempt to bring Unit 1 up in power, delays with the H2 Analyzer were experienced. On September 20, 1991, Unit 1 was at full power and remained there 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.

r4 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO+ 50-389 COMPTETED BY Z.Z. Breen TELEPHONE 407 468-4248 MONTH SEPTEMBER 199 1 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 9/ 1/91 844 2/91 842 9/ 3/91 841 9/ 4/91 673 9/ 5/91 6e 9/ 6/91, 652 9/ 7/91 840 9/ 8/91 840 9/ 9/91 842 9/le/91 856 9/ll/91 853 9/12/91 854 9/13/'9l 853 9/14/91 855 9/15/91 8~

9/16/91 854 9/17/91 852 9/18/91 853 9/19/91 855 9/20/91 853 9/21/91 850 9/22/91 852 9/23/91 835 9/24/91 849 9/25/91 855 9/26/91 857 9/27/91 856 9/28/91 855 9/29/91 855 9/30/91 854

• I OPERATING DATA REF'.ORT DOCKET NO DATE COMPLETED BY J+ Ji BREEN TELEPHONE 407/468/4248 OPERATING STATUS UNIT NAME l ST. LUCIE UNIT 2 2+ REPORTING PERXODlSEPTEMBER 1991

3. LICENSED THERMAL POHER (MAT'): ~700

4. NAMEPLATE RATXNG <GROSS MME)+ 850

5. DESIGN Fl.FCTRICAL RATING (NET MME) o 830 6 MAXIMUM DEPENDABLE CAPACITY <GROSS MME) l 882

7. MAXIMUM DEPENDABLE CAPACITY (NET MHE) l 839

8. IF CHANGES OCCUR IN CAPACITY RATXNGS <ITEMS NUMBER 3 THROUGH 7)

SINCE LAST REPORT ~ GXVE REASONS l LEVEL TO WHICH RESTRICTED~ IF ANY (NET MHE)

'OWER 10, REASONS FOR RESTRICTIONS IF ANY:

MONTHLY;YTD- CUMULATIVE J

HOURS IN REPORT PERIOD: 720 6551 71424.0 12'3+

NUMBER OF HOURS REACTOR HAS CRITICAL 720.0 6551oO 61411>3 24'J REACTOR RESERVE SHUTDOHN HOURS OoO 0.0 0.0 14'5 HOURS GENERATOR ON-LXNE 720+0 6551oO 60395i3 1 UNIT RESERVE SHUTDOHN HOURS 0.0 0'0 0.0 iho GROSS THERMAL ENERGY GENERATED (MHH) 1902571 17462005 158251086 171 GROSS ELECTRICAL ENERGY GENERATED (MWH) 629200 5861130 52758050 18 NET ELECTRICAL ENERGY GENERATED < MWH) 596240 5562055 49896158

'9.

UNIT SERVXCE FACTOR 100+0 100iO 84oh

20. UNIT AVAILABILITYFACTOR 100.0 10eiO 84.6

21. CAPACITY FACTOR ( USING MDC NET ) 98.7 101i2 84

22. CAPACITY FACTOR (USING, DER NET) "

99.8 102' 84.9

23. UNIT FORCED OUTAGE RATE 0+0 0.0 5t3 SHUTDOHNS SCHEDULED OVER NEXT 6 MONTHS 25'F SHUT DOHN AT END OF REPORT PERIOD ~ ESTIMATED -'DATE OF ST*RTUP:

~ I

'I

UNIT SHUTDOWNS AND POWER REDUCTIONS DDDKBT ND. ~6038 UNIT NAME ST LUCIE UNIT 2 DATE ICTUS $ 9>

COMPLETED BY J. J. BREEN TBLBPHDNB 8404465- 30 REPORT MONTH SEPTEMBER I I No. Date Type Duration (Hours)

Reason'ethod of Shutting Reactor'icensee Event Report System Code'omponent Code'ause & Corrective Action to Down ¹ Prevent Recurrence 910904 0.0, B N/A HF XXXXXX Unit 2 downpowered for waterbox cleaning.

F Forced Rcasoa Method Extuhit G - Instructions for S Scheduled A - Epupmeat failure (explain) 1 - Manual Prcparatioa of Data Entry B - Mainteaaace or Test 2 - Manual Scram Sheets Licensee Event Rcport C - Refueling 3 - Automatic Scram (LER) File (NUREG4161)

D - RcguhLtoty strictioa 4 - Continued E - Operator Trainiag ds Liceasc Exanunatioa 5 - Load Reduction F - Administtative 9 - Other (Explain) Extuhit 1 - Same Source G - Operational Ermr (Expalia)

H - Other (Exphdn)

0 4

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO. 50-389 UNIT St. Lucie 2 DATE 1 COMPLETED BY J.J. Breen TELEPHONE 407 468-4248 REPORT MONTH SEPTEMBER 1991 From September 4, 1991, to September 6, 1991, Unit 2 downpowered for waterbox cleaning. On September 6, 1991, Unit 2 increased power and remained at full power 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.