ML20078Q059

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Monthly Operating Rept for Nov 1994 for Limerick Generating Station
ML20078Q059
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 11/30/1994
From: Kelley S, Muntz J
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9412210140
Download: ML20078Q059 (11)
v • d • e


Text

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LimerlIk Generating Ctation

.+

. PECO ENERGY  ;;TJ;;; "***

!anatoga, PA 19464 4920 T.S.6.9.1.6 December 13, 1994 Docket Nos. 50-352 50-353 i License Nos. NPF-39 I NPF-85 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 1

Subject:

Limerick Generating Station Monthly Operating Report For Units 1 and 2 ,

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Enclosed are the monthly operating reports for Limerick Units 1 j and 2 for the month of November 1994 forwarded pursuant to l l

Technical Specification 6.9.1.6.

Very truly yours,

())n - V es A. Muntz Director - Site Engineering sjk Enclosures cc: T. T. Martin, Administrator, Region I, USNRC (w/ enclosures) 7 N. S. Perry, USNRC Senior Resident Inspector LGS (w/ enclosures)

D. R. Helwig, Vice President, Limerick Generating Station 9412210140 941130 PDR ADOCK 05000352 R PDR / ' i i

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Dock;t No. 50-352 -

Attachm2nt to Monthly ,

Operating Report for November 1994 L Limerick Generating Station ,

Unit.1  !

November 1 through November 30, 1994  !

l L I. Narrative Summary of Operating Experiences 1

Unit 1 began the month of November at a nominal 100% of ,

rated thermal power (RTP).

On November 1, 1994, at 1553 hours0.018 days <br />0.431 hours <br />0.00257 weeks <br />5.909165e-4 months <br />, power was reduced to 94%

l RTP due to high turbine backpressure. Power was restored to 100% at 1825 hours0.0211 days <br />0.507 hours <br />0.00302 weeks <br />6.944125e-4 months <br />.

On November 3, 1994, at 0511 hours0.00591 days <br />0.142 hours <br />8.449074e-4 weeks <br />1.944355e-4 months <br /> power was reduced to 95%

RTP in order to remove the '6C' feedwater heater from service for minor maintenance work. Power was restored to -

100% at 0657 hours0.0076 days <br />0.183 hours <br />0.00109 weeks <br />2.499885e-4 months <br />. On November 4, 1994, at 1706 hours0.0197 days <br />0.474 hours <br />0.00282 weeks <br />6.49133e-4 months <br />, power was reduced to return the '6C' feedwater heater to  ;

ser.vice. Power was restored to 100% at 1823 hours0.0211 days <br />0.506 hours <br />0.00301 weeks <br />6.936515e-4 months <br />.

On November 5, 1994, at 1203 hours0.0139 days <br />0.334 hours <br />0.00199 weeks <br />4.577415e-4 months <br /> power was reduced to 75%  ;

RTP in order to perform core flow adjustments and for control rod insertions to provide for additional shielding of an identified leaking fuel bundle. Power was restored to i

98.8% RTP on November 6, 1994, at 0250 hours0.00289 days <br />0.0694 hours <br />4.133598e-4 weeks <br />9.5125e-5 months <br />.

On November 6, 1994, at 1723 hours0.0199 days <br />0.479 hours <br />0.00285 weeks <br />6.556015e-4 months <br />, power was reduced to 98.3% RTP due to high turbine backpressure. Power was restored to 100% RTP on November 7, 1994, at 1913 hours0.0221 days <br />0.531 hours <br />0.00316 weeks <br />7.278965e-4 months <br />.

On November 21, 1994, at 1110 hours0.0128 days <br />0.308 hours <br />0.00184 weeks <br />4.22355e-4 months <br />, power was reduced due  ;

to high turbine backpressure. Power was restored to 100%  ;

RTP on November 22, 1994, at 0040 hours4.62963e-4 days <br />0.0111 hours <br />6.613757e-5 weeks <br />1.522e-5 months <br />. l 1

On November 28, 1994, at 1223 hours0.0142 days <br />0.34 hours <br />0.00202 weeks <br />4.653515e-4 months <br />, power was reduced to l 88% RTP due to the receipt of the main condenser low vacuum ,

alarm. The cause of the alarm was elevated circulating I water temperatures due to excessively high winds. Power was i restored to 100% RTP on November 29, 1994, at 0230 hours0.00266 days <br />0.0639 hours <br />3.80291e-4 weeks <br />8.7515e-5 months <br />.  ;

i Unit 1 ended this operating period at 100% of RTP.

II. Challenges tg. Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of November.

CVECACE DOILU UNI? POWER LEVEL .

DOCKET NO. 50 - 352 ,

UNIT LIMERICK UNIT 1 DATE DECEMBER 13.1994 .

COMPANY PECO ENERGY COMPANY STEVEN J. KELLEY REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610) 718-3763 MONTH NOVEMBER 1994 DAY AVERAGE DAILY power LEVEL DAV AVERAGE DAILY POWER LEVEL (MwE-NET) (MwE-NET) 1 1039 17 1040 2 1011 18 1032 3 1089 19 1039 4 1040 20 1042 5 998 21 1017 6 1024 22 1039 7 1039 23 1053 8 1046 24 1057 9 1041 25 1049 10 1047 26 1051 11 1053 27 1056 12 1051 28 1005 13 1045 29 1048 14 1085 30 1056 15 992 16 1045 D

_ _ _ _ . _ sw -

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l OPERQTING DOTA REPORT ,

DOCKET NO. 50 - 352 ,

DATE DECEMBER 13.1994 4

COMPLETED BV PECO ENERGY COMPANY +

STEVEN J. KELLEY REPORTS ENGINEER i

SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610) 718-3763 OPERATING STATUS

1. UNIT NAME: LIMERICK UNIT 1 NOTES: THERE WAS ONE LOAD DROP
2. REPORTING PERIOD: NOVEMBER. 1994 GREATER THAN 20% THIS
3. LICENSED THERMAL POWER (MwT): 3293  : MONTH TO PERFORM CORE 4 NAMEPLATE RATING (GROSS MWE): 1138 FLOW ADJUSTMENTS.

J

5. DESIGN ELECTRICAL RATING (NET MWE): 1055
6. MAXIMUM DEPENDA8LE CAPACITY (GROSS MwE): 1092 I
7. MAXIMUM DEPENDABLE CAPACITY (NET MWE): 1055 l
8. IF OMANGES OCCUR IN CAPACITY RATINGS (ITEMS NUMBER 3 THROUGH 7) SINCE LAST REPORT. GIVE REASONS: '

I

9. POWER LEVEL TO WHICH RESTRICTED. IF ANY (HET MWE):
10. REASONS FOR RESTRICTIONS. IF ANY:

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THIS MONTH VR-TO-DATE CUMULATIVE 11 HOURS IN REPORTING PERIOD 720 8.016 77.400'

, 12. NUMBER OF HOURS REACTOR WAS CRITICAL 720.0 7.195.2 63.364.3

13. R E ACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 O.0 14 HOURS GENERATOR ON-LINE 720.0 7.096.7 62.281.5 l 15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0 l
16. GROSS THERMAL ENERGY GENERATED (MwH) 2.358.766- 22.418.175 191.868.934 I

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17. GROSS ELECTRICAL ENERGY GENERATED (MwH) 776.190 7.328.320 * .o10.360
18. NET ELECTRICAL ENERGY GENERATED (MwH) 749.463 7.071.007 59.856.997 PAGE 1 OF 2 i

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OPEQQVIOG DQVQ REPORT (CONTINUED) DOCGET NO. 50 - 352 .

DATE DECEMBER 13'.1994 THIS MONTH VR-TO-DATE CUMULATIVE .

19. UNIT SERVICE FACTOR 100.0 88.5 80.5
20. UNIT AVAILABILITV FACTOR 100.0 88.5 80.5
21. UNIT CAPACITY FACTOR (USING MDC NET) 98.7 83.6 73.3
22. UNIT CAPACITY FACTOR (USING DER NET) 98.7 83.6 73.3
23. UNIT FORCED OUTAGE RATE O.0 1.0 4.3 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 ACHIEVE 0 INITIAL CRITICALITV 12/19/84 12/22/84 INITIAL ELECTRICITY MID APRIL B5 4/13/85 COMMERCIAL OPERATION IST QTR 86 2/01/86 PAGE 2 OF 2

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50 - 352 .:

UNIT NAME LIMERICK UNIT 1 DATE DECEMBER 13.1994 -

REDORT MONTH NOVEMBER. 1994 COMPLETED BY PECO ENERGY COMPANY STEVEN J. KELLEY .

REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610) 718-3763 l l NETHOD OF LICENSEE l SYSTEM l COMPONENT l CAUSE AND CORRECTIVE

ITYPE DURATION REASON SHUTTING DOWN EVENT l CODE I CODE l ACTION TO l NO. DATE l (1) (HOURS) (2) REACTOR (3) REPORT
  • l (4) I (5) l PREVENT RECURRENCE I

37 941101 F 000.0 H 4 l N/A HA TURBIN REACTOR POWER WAS REDUCED TO 94% DUE l TO HIGH TURBINE BACKPRESSURE.

38 941103 S 000.0 B 4 N/A CH HTEXCH REACTOR-POWER WAS REDUCED TO 95% DUE TO 3

FEEDwATER HEATER MAINTENANCE.

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33 941105 F 000.0 H 4 N/A RA CONROD REACTOR POWER WAS REDUCED TO 75% TO l 8 PERFORM CORE FLOW A DJ U ST MENTS .

40 941106 F 000.0 H 4 N/A HA TURBIN REACTOR POWER WAS REDUCED TO 98.3% DUE i

TO HIGH TURBINE BACKPRESSURE.

I 41 941121 F 000.0 l H A N/A l HA TURBIN REACTOR POWER WAS REDUCDED TO 98% DUE TO HIGH TURBINE BACKPRESSURE.

l 42 941128 F 000.0 H 4 N/A CB HTEXCH REACTOR POWER WAS REDUCDED TO 88% DUE i TO HIGH CIRC. WATER TEMPERATURES.

I (1) (2) (3) (4)

F - FORCED REASON METHOD . EXHIBIT G - INSTRUCTIONS S - SCHEDULED A - EOUIPMENT FAILURE (EXPLAIN) 1 - MANUAL FOR PREPARATION OF DATA B - MAINTENANCE OR TEST 2 - MANUAL SCRAM. ENTRY SHEETS FOR LICENSEE j C - REFUELING 3 - AUTOMATIC SCRAM. EVENT REPORT (LER) l D - REGULATORY RESTRICTION 4 - OTHER (EXPLAIN) FILE (NUREG-0161)

E - OPERATOR TRAINING + LICENSE EXAMINATION

! F - ADMINISTRATIVE (5) i G - OPERATIONAL ERROR (EXPLAIN)

H - OTHER(EXPLAIN) EXHIBIT I - SAME SOURCE '

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Dockst No. 50-353 Attachm:nt to Monthly op2 rating R; port for November 1994 Limerick Generating Station Unit 2 November 1 through November 30, 1994 I. Narrative Summary of Operating Experiences Unit 2 began the month of November at 88.8% of Rated Thermal Power (RTP) in end-of-cycle coastdown. Power reduction occurred throughout due to end-of-cycle coastdown.

Unit 2 ended this operating period at 75.2% of RTP 2 end-of-cycle coastdown.

II. Challenges to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of November.

G

OV2 OOC,E DOILY UNIT POhEO LEtfEL .

DOCKET No. 50 - 353 ,

UNIT LIMERICK UNIT 2 DATE DECEMBER 13.1994

  • COMPANY PECO ENERGY COMPANY STEVEN J. MELLEY

! REPORTS ENGINEER f

SITE ENGINEERING LIMERICM GENERATING STATION TELEPHONE (610) 718-3763 MONTH NOVEMBER 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (wwE-NET) (NWE-NET) 1 888 17 813 2 890 18 803 3 886 19 801 4 869 20 800 5 867 21 790 6 860 22 771 7 865 23 803 8 858 24 787 9 R48 25 771 10 851 26 771 11 851 27 770 12 846 28 756 13 832 29 760 14 827 30 755 15 821 16 822

6 J

i OPERATING DATA REPORT .

, DOCKET NO. 50 - 353 .

DATE DECEM8ER 13.1994 i

COMPLETED BY PECO ENERGY COMPANY **

STEVEN J. MELLEY REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION j TELEPHONE (610) 718-3763 OPERATING STATUS

1. UNIT NAME: LIMERICK UNIT 2 NOTES: THERE WAS ONE LOAD DROP
2. REPORTING PERIOD: NOVEMBER. 1994 GREATER THAN 20% THIS i 3. LICENSED THERMAL POWER (MwT): 3293 MONTH DUE END OF CYCLE l 4 NAMEPLATE RATING (GROSS MwE): 1138 i COASTDOWN.
5. DESIGN ELECTRICAL RATING (NET rwE): 1055 i
6. MAXIMUM DEPEN 0sSLE CAPACITY (GROSS MwE): 1092 7 MAXIMUM DEPENDA8LE CAPACITY (NET MWE): 1055
8. IF CHANGES OCCUR IN CADACITY RATINGS (ITEMS NUMBER 3 THROUGH 7) SINCE LAST REPORT. GIVE REASONS:

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9. POWER LEVEL TO wHICH RESTRICTED. IF ANY (NET MwE):
10. REASONS FOR RESTRICTIONS. IF ANY:

1

! THIS MONTH VR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD T20 8.016 42.912 1 12. NUMBER OF HOURS REACTOR WAS CRITICAL 720.0 7.976.4 38.619.0
13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0 f 14 HOURS GENERATOR ON-LINE T20.0 7.914.2 37.860.9
15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0 1
16. GROSS THERMAL ENERGY GENERATED (MWH) 1.930.728 25,251.596 120.556.677
17. GROSS ELECTRICAL ENERGY GENERATED (MwH) 615.540 8.363.120 39.855.646
18. NET ELECTRICAL ENERGY GENERATED (WWH) 591.144 8.068.946 38.399.638 i

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OPERATING DATA REPORT (CONTINUED) DOCEET NO. 50 - 333 .

.[

DATE DECEM8ER 13.199A .

THIS MONTH VR-TO-DATE CUMULATIVE *

19. UNIT SERVICE FACTOR 100.0 98.7 88.2
20. UNIT AVAILABILITY FACTOR 100.0 98.7 88.2 21 UNIT CAPACITY FACTOR (USING MDC NET) 77.8 95.4 84.8
22. UNIT CAPACITY FACTOR (USING DER NET) TT.8 95.4 84.8
23. UNIT FORCED OUTAGE RATE 0.0 1.3 3.5 2A. SHUTDOMNS SCHEDULED OVER NEXT 6 MONTHS (TYPE. DATE. AND DURATION OF EACH):

SCHEDULED REFUEL OUTAGE ON 1/28/95

25. IF SMUTDOMN AT END OF REPORT PERIOD. ESTIMATED DATE OF STARTUP:
26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION): FOtsCAST ACHIEVED INITIAL CRITICALITY .08/12/89 08/12/89 n

INITIAL ELECTRICITY 09/01/89 09/01/89 COMMERCIAL OPERATION 02/01/90 01/08/90 5

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UNIT SHUTDOMNS AND POWER REDUCTIONS DOCKET NO. 50 - 353 _

  • Ja' j ~ UNIT NAME LIMERICK UNIT 2 i DATE DECEMBER 13.1994 -

+ REPORT MONTH NOVEMBER, 1994 COMPLETED BV PECO ENERGY COMPANY STEVEN J. KELLEY '

i REPORTS ENGINEER SITE ENGINEERING

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LIMERICM GENERATING STATION TELEPHONE (610) 718-3763 2

1 l l l METHOD OF l LICENSEE SYSTEMICOMPONENT CAUSE AND CORRECTIVE TYPElDURATIONlREASONl$ HUTTING DOWNI EVENT CODE l CODE ACTION TO MO. DATE (1)] (HOURS){ __

(2) l REACTOR (3) l REPORT * (4) l (5) PREVENT RECURRENCE 4

I I 27 941119 5 000.0 C 4 N/A CH l HTEXCH REACTOR POWER MAS REDUCED TO 79.8% FOR REFUELING OUTAGE COASTDOwM.

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4 (1) (2) (3) (4) t F - FORCED REASON METHOD EXHIBIT G - INSTRUCTIONS 5 - SCHEDULED A - EQUIPMENT FAILURE (EXPLAIN) 1 - MANUAL FOR PREPARATION OF DATA S - MAINTENANCE OR TEST 2 - MANUAL SCRAM. ENTRY SHEETS FOR LICENSEE C - REFUELING 3 - AUTOMATIC SCRAM. EVENT REPORT (LER)

D - REGULATORY RESTRICTION 4 - OTHER (EXPLAIN) FILE (NUREG-0161)

E - OPERATOR TRAINING + LICENSE EXAMINATION F - ADMINISTRATIVE (5)

G - OPERATIONAL ERROR (EXPLAIN)

H - OTHER(EXPLAIN) EXHIBIT I - SAME SOURCE i

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