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{{Adams
#REDIRECT [[L-91-169, Monthly Operating Repts for May 1991 for St Lucie]]
| number = ML17223B212
| issue date = 05/31/1991
| title = Monthly Operating Repts for May 1991 for St Lucie.W/910613 Ltr
| author name = Breen J, Sager D
| author affiliation = FLORIDA POWER & LIGHT CO.
| addressee name =
| addressee affiliation = NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
| docket = 05000335, 05000389
| license number =
| contact person =
| document report number = L-91-169, NUDOCS 9106210130
| document type = MONTHLY OPERATING ANALYSIS REPORT, TEXT-SAFETY REPORT
| page count = 16
}}
 
=Text=
{{#Wiki_filter:~ ACCELERATED DIS                          UTION DEMONSTPA.TION SYSTEM
        * ~
REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)
ACCESSION NBR: 9106210130              DOC. DATE:  91/05/31    NOTARIZED: NO          DOCKET FACIL:50-335 St. Lucie Plant, Unit 1, Florida Power                  6  Light  Co. 05000335 50-389 St. Lucie Plant, Unit 2, Florida Power                6  Light  Co. 05000389 AUTH. NAME            AUTHOR AFFILIATION BREEN,J.J.              Florida Power 6 Light Co.
SAGER,D.A.              Florida    Power S Light Co.
RECIP.NAME            RECIPIENT AFFILIATION
 
==SUBJECT:==
Monthly 'operating repts          for May 1991     for St   Lucie.N/910613 ltr.
DISTRIBUTION CODE: IE24D            COPIES RECEIVED:LTR TITLE: Monthly Operating Report (per Tech Specs) g  ENCL  Q    SIZE:  lO NOTES RECIPIENT              COPIES            RECIPIENT            COPIES ID  CODE/NAME            LTTR ENCL        ID  CODE/NAME        LTTR ENCL PD2'-2 LA                    3    3      PD2-2 PD                  1    1 NORRIS,J                    1    1 INTERNAL: ACRS                          10    10      AEOD/DOA                  1    1 AEOD/DS P/TPAB              1    1          +~&. <<+/ PEB10        1    1 NRR/DOEA/OEAB                1    1      REG  FILE        01      1    1 RGN2                        1    1 EXTERNAL:    EGS(G  BRYCE,J.H            1    1      NRC PDR                  1    1 NSIC                        1    1 NOTE TO ALL "RIDS" RECIPIENTS:
PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM Pl-37 (EXT. 20079) TO ELIMINATEYOUR NAlvKFROM DISHUBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!
TOTAL NUMBER OF COPIES REQUIRED: LTTR                24  ENCL    24
 
l  1
~ p v "t ~
 
P.O. Box 12, Ft. Pierce,  FL 34954-0128 JUN    1  3 t99t L-91-169 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 May 1991 Operating Status and Summary of Operating Experience Reports for St. Lucie Units 1 and 2.
Very  truly yours, D. A. ager Vice      esident St. L ie Plant DAS:JJB:kw cc:  Stewart D. Ebneter, Regional Administrator, Region Senior Resident Inspector, USNRC, St. Lucie Plant II, USNRC Attachments DAS/PSL 4451 9106210130 910531 PDR    ADOCK 05000335 R
p~+ Q ~~ ~ Q PDR an FPL Group company pk
 
l P
  ~ ~
      ~4
        ~
t AVERAGE DAILY UNIT PO'HER LEVEL DOCKET NO ~  50-335 DATE COMPLETED BY  Z.Z. Breen TELEPHONE  407  465-3550 MONTH      MAY  1991 DAY AVERAGE DAILY POSER LEVEL (MWe-Net) 856 5/    2/91            854 5/    3/91            849 5/    4/91            842 5/    5/91              40 5/    6/91            142 5/    7/91            575 5/    8/91              700 5/    9/91              846 5/10/91                846, 5/1 1/91                844 5/12/91                848 5/13/91 5/14/91 5/15/91                721 5/16/91                849 5/17/91                845 5/1$ /91 5/19/91 5/20/91 5/21/91                807 5/22/91                737 5/23/91                851 5/24/91                858 5/25/91 5/26/91'/27/91        841 5/28/91 5/29/91 5/30/91 5/31/91                588
 
  ~        ~ ~~
      ~    ~      ~
OPERATING DATA REPORT DOCKET NO              50  335 DATE                JUN  1 S 't991 COMPLETFD BY      Je  iJi BREEN TELEPHONE        407/465/3550 OPERATING STATUS
: 1. lJNXT NAME)        ST+ LUCXE      UNIT  1
: 2. REPORTING PERIOD:                  MAY 1991 3i LICENSED THERMAL POWER (MWT)i                            ~780 4i    NAMEPI ATE RATING (GROSS        MWE)f                  8 e 5+ DESIGN ELECTRXCAL RATING (NET MWE)+                        838 6i MAXIMUM DEPENDABLE CAPACXTY (GROSS MWE>t                  872 7i MAXIMtJM DEPENDABLE CAPACITY (NET MWE) l                  839 8 XF CHANGES OCCUR XN CAPACXTY RATINGS <ITEMS NUMBER 3 THROUGH                    7)
SINCE LAST REPORT ~ GIVE REASONS:
POWER        LEVEL TO WHXCH RESTRICTED~ XF ANY (NET MWE)
: 10. REASONS FOR RESTRICTIONS~        XF ANY'ONTHLY
                                                                        - YTD-    CUMULATIVE lii 12'UMBER HOURS XN REPORT PERXOD:
OF HOURS REACTOR WAS CRITICAL 744 715 3623 3576+4 126599iO 96534i9
: 13. REACTOR RESERVE SHUTDOWN HOURS                                eie        OiO            205+3
: 14. HOURS GENERATOR ON-LXNE                                    709+8    3566'            95670i9 15'NXT              RESERVE SHUTDOWN HOURS                        Oie        OiO              39i3 16+ GROSS THERMAL ENERGY GENERATED <MWH)                    1825086    9450032        246692086 17'ROSS ELECTRICAL ENERGY GENERATED (MWH>                    600690    3154818          81363450
: 18. NET ELECTRICAL ENERGY GENERATED <MWH)                    567661    2991924          76884666 19 UNIT SERVXCE FACTOR                                          95'        98 '              75.6
: 28. UNIT AVAXLABXLXTYFACTOR                                    95i4        98i4              75.6
: 21. CAPACITY FACTOR (USING MDC NET)                            9e          98 i 4            7I 22'APACXTY FACTOR (USING DER NET)                              '91i9      99'                74i2 23'NIT              FORCED OUTAGE RATE                            ii9        0+4                4 i2
: 24. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS 18/18/91 ~ REFUELING 63 DAYS 25      XF SHUT DOWN AT END OF REPORT PERXOD          ESTIMATED DATE OF STARTUP:
 
UNIT S&JTDOWNS AND POWER REDUCTIONS DOCKET NO.                          0- 35 UNIT NAME                      ST    L    IE NIT 1 DATE                                gUN  i3  199>
COMPLETED BY                    J. J. BREEN TELEPHONE                        40 465-35 0 REPORT MONTH MAY                      1    1 No.          Date  Type Duration (Hours)
Reason'ethod of Shutting Reactor'icensee  Event Report System Code'omponent    Code'ause                      & Corrective Action to Down                  &#xb9;                                              Prevent Recurrence 910505        0.0                                                N/A        RB            CONROD    Downpowered for Control Rod Testing.
910505      20.7                                                N/A        RB            CONROD      Unit 1 down for Control Rod Testing.
910506        0.0                                                N/A        RC            ZZZZZZ  Unit 1 held at approximately 45% power for Nuclear Instrumentation Calibration.
910506  F    13.5                                              91-03      HH            PUMPXX  Unit 1 was manually tripped due to Feedwater Pump tripping.
910506        0.0                                                N/A        HH            PUMPXX Power held at approximately 709o to monitor the 1A Heater Drain Pump and ASI stabilization.
F Forced                        Reasea                                            Method                                  cubit G - Inst tuctions for S Scheduled                      A - Equipmeat failure (cxphsin)                    1 - Maaual                              Pcpatatioa of Data Entry B - Maintcaaacc or Test                            2 - Manual Scram                        Sheets Licensee Eveat Report C - Refueling                                      3 - Automatic Scram                      (LER) File (NUREG-0161)
D - Regulatory astriction                          4 - Continued E - Operator Traiuag gt Liccase Exaaiinatioa      5 - Load Red uctioa F - Administrative                                9 - Other (Explam)                      Extubit 1 - Same Source G - Operatioasl Error (Expalin)
H - Other (Explain)
 
UNIT SHUTDOWNS AND POWER REDUCTIONS DDQEBT NQ.                    ~5U      3 UNU NANB                      ~SLU        53 DATE                              JUN    f3  199l COMPLETED BY                    J. J. BREEN TELEPHONE                      ~40      465-3 5 ~
REPORT MONTH MAY                      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 910508        0.0                                                N/A        HH            PUMPXX  Power held at approximately 80Fo to monitor the IA Heater Drain Pump and ASI stabilization.
10        910530        0.0          B                                    N/A        HF            XXXXXX Unit I downpowered for cleaning of the 1A2 & IB2 waterboxes.
910531        0.0                                                N/A        HF            XXXXXX  Unit 1 downpowered to approximately            709o for continued waterbox cleaning.
F Forced                        Rcasoa                                            Method                                  Ed'>it G - nnsttuctioas for S Schedukd                      A - Equipmcat failure (explain)                    1 - Manual                              Preparation of Data Entry B - Maintenance or Test                            2 - Manual Scram                        Sheets Liccascc Exeat Report C - Rcfueliag                                      3 - Automatic Scram                    (LER) File (NUREG-0161)
D - Reguhtory xatrictioa                          4 - Coatinued E - Operator Training gc License Examination      5 - Load Reduction F - Administtative                                9 - Other (Exphin)                      ~bit    1 - Same Source G - Opcratioaal Error (Expalia)
H - Other (Exphin)
 
A>
 
==SUMMARY==
OF OPERATING EXPERIENCE DOCKET NO ~  50-335 UNIT St. Lucie              1 DATE    UH 1 8 BX Z.Z. Breen199'OMPLETED TELEPHONE  407    465-3550 REPORT MONTH    MAY  1991 On May  5, 1991, Unit  1 began a controlled shutdown for control rod testing. Power  was  then  held at 33% for Transmission and Distribution(T&D) troubleshooting of voltage readings; the Unit then continued to decrease in power for control rod testing until it was taken offline. Control rod testing was completed on May 6, 1991, and Unit 1 began to increase in power. At approximately 454 power a hold was placed upon the Unit for a Nuclear Instrumentation Calibration. At 98% of full power the reactor was manually tripped in response to a runback initiated by the 1A Main Feedwater Pump.
The Unit was returned to power following corrective actions to the 5A feedwater heater level switch and the main feedwater pump low pressure trip setpoint. The Unit had hold points at approximately 704 and 80% to monitor the 1A Heater Drain Pump and ASI stabilization. On May 9, 1991, Unit 1 reached 1004 power and remained there until May 30, 1991.
On May 30, 1991, Unit 1 reduced power to approximately 70% for cleaning of the lA2 & 1B2 waterboxes. Due to a need for electrical power Unit 1 was increased to approximately 904 power, and then lowered again to 70% for completion of waterbox cleaning.
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.
 
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO ~  50-389 I~
DATE COMPLETED BY  J.  . reen TELEPHONE  407  465-3550 MONTH  MAY  1991 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 5/  1/91        806 5/ 2/91        861 5/ 3/91        857, 5/ 4/91        868 5/ 5/91        862 5/ 6/91        859 5/ 7/91        86O 5/ 8/91        838 5/ 9/91        787 5/10/91        859 5/11/91        859 5/12/91        859 5/13/91        858 5/14/91          860 5/15/91          859 5/16/91          857 5/17/91          852 5/18/91          851 5/19/91          854 5/28/91          821 5/21/91          616 5/22/91          653 5/23/91          701 5/24/91          718 5/25/91          709 5/26/91          829 5/27/91          864 5/28/91          864 5/29/91          862 5/38/91          859 5/31/91          860
 
p OPERATING DATA REPORT DOCVET NO              50  389 DATE                ggn 1 8 $ 9t COMPLETED BY      Ji  iJ+ BREEN TEI EPHONE        407/465/3550 QPERATTNG STATUS 1 . UNXT NAME l ST. LUCIF      lJNIT 2
: 2. REPORTXNG PERIOD f      MAY 1991 3i    LXCENSED THERMAL POHER (MHT):                  2700 NAMEPLATE RATING (GROSS MHE) l                  850 5i    DESXGN ELECTRICAL RATING (NET MHE):              838 6i    MAXIMUM DEPENDABLE CAPACXTY (GROSS MNE) l        882 7r    MAXIMUM DEPENDABLE CAPACITY (NET MHE) l          839 Bi    IF CH*NGES OCCUR IN CAP*CITY RATXNGS (XTEMS NUMBER 3 THROUGH        7)
SXNCE LAST REPORT r GIVE REASONS l POWER LEVEL To HHICH RESTRICTED  ~ XF ANY (NET MME) 10'EASONS      FOR RESTRICTIQNSr XF ANY'ONTHLY
                                                                    - YTD-    CUMULATIVE
: 11. HOURS XN REPORT PERIOD l                        744      3623            68496.0 12'UMBER      QF HOURS REACTOR HAS CRITXCAL            744.0    3623+0          58483+3
: 13. RE*CTQR RESERVE SHUTDOHN HOURS                        Oi0        Oi0              Or0 14, HOURS GENERATOR ON-l INE                            744ie    3623i0          57467.3 15'NIT      RESERVE SHUTDOWN'HOURS                        Or0        0'              0 i0
: 16. GROSS THERMAL ENERGY GENERATED (MHH)              1935709    9699100        150488181 17'ROSS ELECTRICAL ENERGY GENERATED (MHH)              646280    3273880        50170800 18'ET      ELECTRXCAL ENERGY GENERATED (MWH)          612337    3108685        47442788 83.9 100i0
: 19. UNIT SERVICE FACTOR                          '> ~
100 i 0
: 28. UNXT A VAILABXLXTYFACTOR                            100.0      100+0            83+9
: 21. CAPACITY FACTOR (USING MDC NET)                      98+1      102i3            84.1 22, CAPACITY FACTOR (USING DER NET)                      99+2      103'              84.2 23m UNIT FORCED OUTAGE RATE                              OiO        OiO              5i6 24'HUTDOWNS SCHEDULED OVER NEXT 6 MONTHS 25,    XF SHUT DOWN AT END QF REPORT PERXODr ESTIM*TED DATE OF STARTUP:
 
J v
 
UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.                        50-38 UNIT NAME                      ST L CIEUNIT2 DATE                              JUN Z3 <99' COMPLETED BY                        J. BREEN TELEPHONE                        40 465-3550 REPORT MONTH MAY 1991 No. Date  Type Duration (Hours)
Reason'ethod of Shutting Reactor'icensee    Event Report System Code'omponent    Code'ause                  & Corrective Action to Down                    &#xb9;                                            Prevent Recurrence 910520        0.0          B                                      N/A        HF            XXXXXX  Unit 2 downpowered for waterbox cleaning.
Reason                                              Method                              ~bit G - Instructions for A - Etptipmcnt failure (explain)                    1 - Manual                          Preparation  of Data Enny B - Maintenance or Test                              2 - Manual Scram                    Sheets Licensee Event Report C - Refueling                                        3 - Autcinatic Scnun                (LER) File (NUREG-0161)
D - Restdatory rcricion                              4 - Continued E - Operator Training 4t'. License Emnination        5 - Load Reduction F - Admmistrative                                    9 - Other (Exphun)                  Exhil)it 1 - Same Source G - Operational Error (Expalin)
H - Other (Explam)
  ~ I s
I ~    ~
~
 
==SUMMARY==
OF OPERATING EXPERIENCE DOCKET NO COMPLETED BY TELEPHONE
                                                      ~R 50-389 J.J.
407 Breen 465-3550 REPORT MONTH  MAY  1991 On May  20,  1991,  until May 25,  1991,  Unit 2  reduced power for waterbox cleaning. On May 27, 1991, Unit    2 was  at 100% 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.
 
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