ML20078Q059
ML20078Q059 | |
Person / Time | |
---|---|
Site: | Limerick |
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) | |
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
- v. ,
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
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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: '
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- 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
4 -
- 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.
3
- 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:
i
- 9. POWER LEVEL TO wHICH RESTRICTED. IF ANY (NET MwE):
- 10. REASONS FOR RESTRICTIONS. IF ANY:
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! 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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PAGE 2 OF 2; l
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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
}
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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