ML20095A945

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Monthly Operating Repts for Mar 1992 for Limerick Generating Station,Units 1 & 2.W/920410
ML20095A945
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 03/31/1992
From: Leitch G, Meck K
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9204210218
Download: ML20095A945 (11)
v • d • e


Text

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T.S.6.9.1.6 3927014870 PHILADELPHIA ELECTRIC COMPANY LIMERICK GENERATING STATION P. O. BOX 2300 POlu1OWN, PA 19464-0920 (215) 327-1200, EXT. 3000 April 10, 1992 GRAHAM M. LEITCH vet entsotNT Docket Nos. 50-352 uutncx acutunna swcn 59_393 Licence Nos. NPF-39 NPF-85 U.

Nuclear Regulatory Commission Fn.

Document Control Desk i'

Washington, DC 20555

Subject:

Limerick Generating Station Monthly Operating Report For l'

Units 1 and 2 l

l Enclosed are the monthly operating reports for Limerick Units 1 and 2 for the month of March, 1992 forwarded pursuant to l

Technical Specification 6.9.1.6.

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x Very '.rul) yours, KWM/dms Enclosure cc:

T.

T. Martin, Administrator, Region I, USNRC l

T. J.

Kenny, USNRC Senior Resident Inspector l

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9204210218 920331

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I 3927014876 Docket No. #50-352 Attachment to Monthly Operating Report for February 1992 LIMERICK GENERATING STATION UNIT 1 MARCH 1 THROUGH MARCH 31, 1992 I.

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES Limerick Unit 1 began the month of March at 100% of rated thermal power. On Monday, March 2, reactor power was briefly reduced to 95% to facilitate a control rod pattern adjustment.

On Monday, March 9,-power began to decrease from 100% due to fuel depletion.

On Friday, March 13, reactor power was reduced from 98.4% to 95% to allow the sixth feedwater heaters to be removed from service.

Reactor power was restored to 100% of rated thermal power with reduced feedwater heating the same day.

On Friday, March 20 at 0825 hours0.00955 days <br />0.229 hours <br />0.00136 weeks <br />3.139125e-4 months <br /> power reduction began for entry into the the Unit 1 fourth refueling outage.

At 1410 hours0.0163 days <br />0.392 hours <br />0.00233 weeks <br />5.36505e-4 months <br /> on March 20 the reactor mode switch was placed in the Shutdown' position and the unit scrammed from 20% of rated thermal power.

At 0845 hours0.00978 days <br />0.235 hours <br />0.0014 weeks <br />3.215225e-4 months <br /> on March 21 the unit entered OPCON 4 (Cold Shutdown) when reactor water coolant temperature was reduced to less than 200 degrees Farhenheit.

OPCON 5 (Refueling) was entered at 1500 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.7075e-4 months <br /> on March 24 when the reactor vessel head detensioning commenced.

On March 25 OPCON 5* (Refueling activities with the potential for draining the reactor vessel) was entered following the establishing of Refuel Floor Secondary Containment.

OPCON5* (Refueling with core alterations permitted) was entered and core offload began at 2029 hours0.0235 days <br />0.564 hours <br />0.00335 weeks <br />7.720345e-4 months <br /> on March 31.

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CHALLENGES TO MAIN STEAM SAFETY RELIEF VALVES f

l There were no challenges to the Main Steam Safety Relief I

Valves during the month of March.

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AVERAGE DAILV UNIT PODER LEVEL a

DOCKET NO. 50 - 352

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UNIT LIMERICK UNIT 1 DATE APRIL 10. 1992 COMPANY PHILADELPHIA ELECTRIC COMPANY l

KARL'MECK l

REPORTS SUPERVISOR BUSINESS UNIT LIMERICK GEFERATING STATION TELEPnONE (215) 327-1200 EXTENSION 3320 MONTH MARCH 1992 l

DAY AVERAGE DAILV POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MwE-NET)

(MWE-NET) 1 1058 17 1044 2

1038 18 1042 1

1047 19 1038 4

1047 20 466 5

1052 21 0

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6 1057 22 0

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7 1042 23 0

1 6

1046 24 0

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9 1058 25 0

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10 1022 26 0

11 1044 27 0

12 1044 26 0

13 1042 29 0

14 1039 30 0

15 1040 31 0

16 1044 I

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-OPERATING DATA REPORT

DOCKET NO. 50 - 352 DATE APRIL 10, 1992 COMPLETED BY PHILADELPHIA ELECTRIC COMPANY KARL MECK REPORTS SUPERVISOR BUSINESS UNIT LIMERICK GENERATING STATION TELEPHONE (215) 327-1?CD EXTENSION 3320 OPERATING STATUS

...-..------a..

1.

UNIT NAME: LIMERICK UNIT 1 NOTES: REACTOR WAS MANUALLY 2.

REPORTING PERIOD:

MARCH. 1992 SCRAMMED FROM 20% POWER 3.

LICENSEC THERMAL POWER (MWT):

3293 TO BEGIN THE FOURTH 4

NAMEPLATE RATING (GROSS MwE):

1138 l

REFUELING OUTAGE.

5.

DESIGN ELECTRICAL RATING (NET MWE):

105 t.

I

6. MAXIMUM DEPENDABLE CAPACITv (GROSS MWE): 1092 7.

MAXIMUM DEPENDABLE CAPACITV'(NET MWE):

1055 8.

IF CHANGES OCCUR IN CADACITV RATINGS (ITEMS NUMBER 3 THROUGH 7) SINCE LAST REPORT,

'IVE REASONS:

9.

POWER LEVEL TO WHICH RESTRICTED. IF ANY (NET MWE):

10. REASONS FOR RESTRICTIONS. IF ANV:

THIS MONTH VR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD 744 2.184 54.024
12. NUMBER OF HOURS REACTOR WAS CRITICAL 470.2 1.910.2 43.219.0
13. REACTOR RESERVE SHUTJOwN HOURS 0.0 0.0 0.0 14 HOURS GENERATOR ON-LINE 470.2 1.903.9 42.345.A
15. UNIT RESERVE SHUTDOWN HOLRS 0.0 0.0 0.0 l
16. GROSS THERMAL ENERGv GENERATED (MWM) 1.539,402 6.t63.245 128,152.161
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 504.500 2.033.300 41.534.240 u--.......--
18. NET ELECTRICAL ENERGY GENERATED (MWH) 486.475 1.961.048 39.772.504 PAGE 1 OF 2 v

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a OPERATING DATA REPORT (CONTINUED)

DOCKET NO. 50 - 352 3927014870 DATE APRIL 10, 1992 THIS MONTH VR-TO-DATE CUMULATIVE

19. Utd I T SERVICE FACTOR 63.2 87.2 78.4
20. UNIT AVAIL 48ILITY FACTOR 63.2 87.2 78.4
21. UNIT CAPACITY FACTOR (USING MDC NET) 62.0 85.1 69.8 l

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22. UNIT CAPACITY FACTOR (USING DER NET) 62.0 85.1 69.8 1

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23. UNIT FORCED OUTAGE RATE 36.8 12.8 4.9 24 SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE. DATE. AND DURATION OF EACH):

4TH REFUELING OUTAGE: 03/21/92: 70 DAv5

25. IF SHUTDOWN AT END OF REPORT PERIOD. ES'IMATED DATE OF STARTUP
26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):

FORECAST ACHIEVED INITIAL CRITICALITV T2/19/94 12/22/84 INITIAL ELECTRICITY MID APRIL d5 4/13/85 l

COMMERCIAL OPERATICN IST OTR 8C 2/01/86 l

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}f h? [(} l ) } --(). ' UNIT SHUTDOWNS AND POWER REDUCTIONS DOPMET NO. 59 -'352 [ UNIT NAME LIMERICK UNIT 1 'DATE APRIL 10, 1992 ~~-_.--.-_.._.... --_.--.-.. REPORT MONTH MARCH, 1992 COMPLETED BV PHILADELPHIA ELECTRIC COMPANY KARL MECK REPORTS SUPERVISOR BUSINESS UNIT LIMERICK GENERATING STATION TELEPHONE (215) 327-1200 EXTENSION 3320 l METHOD OF ,LICFNSEE l SYSTEM 'COMPGAENT CAUSE AND CORRtCTIVE j TvFEIDURATION REASON SHUTTING DOWN EVENT l CODE CODE ACTION TO 1 NO. DATE (1)l (2) REACTOR J(3) l REPORT s j (4)- (5) PREVENT RECURRENCE -............ -....-.' HOU R S ) 1. -. -. - - - - -... - -..................... -................... - -......... - - - -.... - - - - - - - -.. - - - -.. -.. - - -. l TO 920302 S 000.0 B' l 4 N/A RB CONROD LOAD WAS REDUCED 5% FOR CONTROL ROD PATTERN ADJUSTMENT. - 17 920309 5 030.0 H 4 l N/A. ZZ XXXXXX LOAD WAS DRIFTING LOWER DUE TO FJEL I l-DEPLETION, 12 920313 S 000.0 H 4 N/A CH HTEXCH LOAD WAS REDUCED 5% TO REMOVE FEEDWATER HEATERS FROM SERVICE TO OPERATE WITH REDUCED FEEDwATER HEATING. 13 920320 S 273.8 C 2 N/A Z2' ZZZZZZ REACTOR WAS MANUALLY SCRAMMED FROM 20% POWER TO BEGIN THE FOURTH REFUELING OUTAGE. l j l ,l 272.8 l l l (1) (2)- (3) (4) METHOD EXHIBIT G-INSTRUCTIONS F - FORCED REASON S - SCHEDULED A --EQUIPMENT, FAILURE (EXPLAIN) ? - MANUAL FOR PREPARATION OF DATA B - MAINTENANCE OR TEST 2 - MANUAL SCRAM. ENTRY SHEETS FOR LICENSEE 3 - AUTOMATIC SCRAM. EVENT REPORT (LER) C - REFUELING ~ 4 - OTHER (EXPLAIN) FILE (NUREG-0161) D - REGULATORY RESTRICTION. E - OPERATOR TRAINING + LICENSE EXAMINATION (5) F - ADMINISTRATIVE G - OPER ATIONAL ERROR (EXPLAIN) EXHIBIT I - SAME SOURCE H-OTHER(EXPLAIN) f l m

7 3927014870 Docket lio. #50-353 Attachment to Monthly Operating Report for February 1992 LIMERICK GENERATING STATION UNIT 2 MARCH 1-TEROUGH MARCH 31, 1992 I. NARRATIVE

SUMMARY

O_F___ OPERATING EXPERIENCES Limerick Unit 2 began tne month of March at a nominal 100% of rated thermal power. On Friday, March 13, reactor power was briefly reduced to 92% to support a control rod pattern adjustment ' and Main Turbine Control valve testing. Unit 2 ended this operating period at a nominal 100% of rated thermal power. / II. CHALLENGES TO MAIN STEAM SAFETY RELIEF VALVES There were no challenges to the Main Steam Safety Relief Valves during the month of February. l l l oprtgex2 i

l AVERAGE DAILY UNIT POWER LEVEL 3927014870 DOCKET NO. 50 - 353 UNIT L*MERICK UNIT 2 DATE APRIL 10, 1992 COMPANV PHILADELPHIA ELECTRIC COMPANY kARL MECK REPORTS SUPERVISOR BUSINESS UNIT LIMERICK GENERATING STATION TE-PHONE (215) 327-1200 EXTENSION 3320 MONTH MARCH 1992 DAV AVERAJE DAILV POWER LEVEL DAV AVERAGE DAILY POWER LEVEL (MnE-NET) (MWE-NET) 1 1C67 17 1065 2 1057 18 1066 3 1063 19 1C64 4 1058 20 1062 5 1C64 21 1061 l 6 1072 22 1062 l 7 1057 23 1074 l 8 1063 24 1052 9 1074 25 1060 10 1044 26 1058 1 l 11 1066 27 1C59 l 12 1068 28 1060 13 106' 29 1059 14 1058 30 1062 15 1066 31 1063 16 1065 i

.i dRATING DATA DEPORT 3927014870; DOCKET NO. 50 - 355 DATE APRIL 10, 1992 ..c...-~.-..--__... COMPLETED BY PHILADELPHIA ELECTRIC. COMPANY MARL NECK REPORTS SUPERVISOR BUSINESS UNIT LIMERICK GENERATING STATION TELEPHONE (215) 327-1200 EXTENSION 3320 OPERATING STATUS l 1. UNIT NAMEt LIMERICK UNIT 2 NOTES: THERE WERE NO LOAD l t

2. REPORTINC PERIOD:

MARCH. 1992 REDUCTIONS GREATER THAN l 3. LICENSED THERMAL POWER (MWT): 3293 20% DURING THE MONTH. 4 NAMEPLATE RATING (GROS $ MwE): 1138

5. DESIGN ELECTRICAL RATING (NET MWE):

~1055 a. MAXIMUM DEPENDABLE CAPACITY (GROSS FwE): 1092

7. MAXIMUM DEPENDABLt CAPACITV (NET MWE):

Its5 8, IF CHANGES OCCUR IN CAPACITV 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 ANV:

THIS MONTH YR-TO-DATE CUMULATIVE 744 2.154 19.536

11. HOURS IN REPORTING PERIOD
12. NUMBER OF HOURS RE/ ACTOR WAS CRITICAL 744.0 2.184.0 16.772.3
13. REACTOR RESERVE SsuTDOWN HOURS 0.0 0.0 0.0 14 HOUR 5 GENERATOR ON-LINE 744.0-2.184.0 16.283.2
15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
16. GROSS THERMAL ENERGY GENERATED (MWH) 2.448.444 7.135.6tB 52.407.014
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 820.680 2.390.320 17.321.956
18. NET ELECTRICAL ENERGY GENERATED (WWH) 790.449 2.306.864 16.680,729 PAGE 1 OF 2

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,l j OPERATING DATA REPDRT (CONTINt'ED) DOCKET t40. 50 - 353 3927014871 DATE APRIL 10.-1992 THIS MONTH VR-TO-DATE CUMULATIVE

19. UNIT SERVICE FACTOR 100.0 100 0

~83.3

20. UNIT AVAILABILITY FACTOR 100.0 100.0 83.3 21 UNIT CAPACITY FACTOR (USING MDC NET) 100.7 100.1 80.9
22. UNIT CAPACITY FACTOR (USING DER NET) 100.7 100 1 80.9
23. UNIT FORCED. OUTAGE RATE O.0 0.0.

5.1

24. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE. DATE. AND DURATION OF EACH):
25. IF SHUTDOWN AT END OF REPORT PERIOD. ESTIMATED DATE OF STARTUP;
26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):

FORECAST ACHIEVED INITIAL CRITICALITY 08/12/09 08/12/89 INITIAL ELECTRICITV 09/01/89 09/01/89 COMMERCIAL OPERATION 02/01/90 01'08/90 i P 1 PAGE 2 OF 2 I

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