ML20079K503
ML20079K503 | |
Person / Time | |
---|---|
Site: | Limerick ![]() |
Issue date: | 09/30/1991 |
From: | Leitch G, Meck K PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
References | |
NUDOCS 9110220312 | |
Download: ML20079K503 (11) | |
Text
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..4 PHILADELPHIA ELECTRIC COMPANY
. LIMERICK GENER ATING ST ATION P. O. DOX A -
S AN ATOG A. PENNSY LV ANI A 19464 (215) 3271200. EXT. 3000
' ranawau 'u. ~teivew '- October 10, 1991
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50-353 License Nos. NPF-39 -
NPF-85 -
.l U...S. Nuclear Regulatory Commission
- Attn:-- : Document Control-Desk Washington, DC 20555
Subject:
- , Limerick Generating Station Monthly Operating Report For Units 12and-2 E'nclosed are the monthly operating reports for Limerick Units-
'l . and : 2 - for the ; month . of. September, 1991 forwarded - pursuant to
. Technical Specification 6.9.1.6.
E Very truly- ours, 5 J
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i' LEnclosure L
cc : -. T.-T. Martira,. Administrator, Region I, USNRC l -- T. J. Kenny, USNRC Senior Resident Inspector L.
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- Docket No. #50452 Attachrnent to MontNy Operating Report for
- September 1991-4-
' UMERICK GENERATING STATION UNIT 1 '
' SEPTEMBER 1 THROUGH SEPTEMBER 30,1991
-'i . ~ NARRATIVE
SUMMARY
OF OPERAllNG EXPERIENCES ,
Limerick Unit 1 began the month of September at a nominal 100% of rated ttwmal power On 1
- September 7, reactor power was briefly reduced to 84% for a control rod pattem adjustment. On September 16, reactor power was briefly reduced to 92% to perform Main Turbine Contrd Vdve teeting Also on September 10,17, and 18, reactor power was reduced to 96% due to high ,'
turbine back pressure. On September 20, reactor power was briefly ~r educed to 95% for a control rod pattom adjustment.-- On September 22, reactor power was reducW1 to 97% tlue to reactor
- thermal limits indicating higher than normal. Further kwestigation revehied 1101 a Loz) Power g Rar,ge Monhor (LPRM), which had fared upscale, was the cause-of the high thstmal limit readings.- The faued LPRM was bypassed and reactor power was restored to 100W Unit 1 maintalt'ed 1_00% of rated thermal power for the remainder of the month.
4
- 11. CHAII WGES TO MAIN STEAM SAFETY REllEF VALVES There were no challenges to the Main Steam Safety Relief Valves during the month.
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3913137850 ,
DDCKET NO. 5r 3E: 'i OATE OCTOBER 3 7991 COMPLETED By PHILADELPHIA ELECTRIC COMPANY
- KARL MECK REPORTS SUPERVISOR BUSINESS UNIT-
.LIMERICE GENERATING STATION.
327-1200 EXTENSION 3320 T E LE PHONE ' _( 215
_.-______.._ )
OPERATING STATUS d
- 1. UNIT NAME; LIMERICK UNIT 1 '
NOTES: THERE WERE NO LOAD l
......_ .. ___ _ . _.... __. __.__ j
- 2. REPORTING PERIOD: SEPTEMBER, 1991 REDUCTIONS GREATER THAN $
- 3. LICENSED THERMAL POWER (MwT)s 3293 20% DURING THE MONTH. l' 4 NAMEPLATE RATING.(GPOSS WWE): 1138
- 5. DESIGN ELECTRICAL RATING (NET MwE): 1055 t
- 6. MAXIMUM DEPENDABLE' CAPACITY (GROSS MwE): 1092 I I i
- 7. MAXIMUM DEPENDABLE CAPACITY (NET FwE): 1055 l l B. IF LHANGES 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 ANY:
THIS MONTH YR-TO-DATE CUMULATIVE
- 11. HOURS IN REPORTING PERIOD 720 6.551 49.631
- 12. NUMBER OF HOURS REACTOR WAS CRITICAL 720.0 6.252.5 39.384.'
- 13. REACTOR RESERVE SHUTDOWN HOURS D.0 0.0 0.0 14 HOURS GENERATOR ON-LINE 720.0 6.152.0 38.549 O
- 15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
- 16. GROSS THERMAL ENERGY GENERATED (MWH) 2.358.588 19.694.245 115.776.377 17 GROSS ELECTRICAL ENERGv GENERATED (Mw")' 773.800 E.407.6s0 37.447.540
- 18. NET ELECTRICAL ENERGk GENERATED (MwM)- 746.336 6.155.507 35.833.114
OPERATING DATA-REPODT fCOMTINUED, DOC *ET NO . ' r.r - ?!: hh] ]J If )f)
\
DATE CC10SER 3, 1991 THIS MONTH vR-TO-DATE CUvutATIVE 100.0 93.9 77.7
- 19. UNIT SERVICE FACTOR --____..-- . --.__ -- .-. _-.... .- _.
100.0 93.9 77.7
- 20. UNIT AVAILABILITY FACTOR --.....-- .. .-......--.. ...------ ..
98.3 89.7 68.4
- 21. UNIT CAPACITY FACTOR (USING MDC NET) .------..... ... ......-- .......-.... \
69.4- I 98.3 89.1
- 22. UNIT CAPACITY FACTOR (USING DER NET) --.....-- .. .-- ....---. ----.. ..--.
O.0 6.1 4.0
- 23. UNIT FODCED OUTAGE RATE .-........-- - _ . - - . . . . . - - --.....-- .-
24 SHUTDOWNS SCHEDULED CVER NEXT 6 UONTMS (TYPE. DA1E. AND DURATION OF EACH):
- 25. IF SHUTDOWN AT END OF REPORT PERIOD. ESTIMATED DATE OF STARTUP: i FORECAST ACHIEVED
- 26. UNITS-IN TEST STATUS (PRIOR TO COWWERCIAL OPERATION):
INITIAL CRITICALITY *2/19/84 12/22/84 INITIAL ELECTRICITV WID A PRIL B5 4/13/05 COWWEf<CI A L OPERATION IST GTR P6 2/01/56
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. 3913137850 Docket No. #50-353
' Attachment to Monthly Operating Report for September 1991 LIMERICK GENERATING STATION UNIT 2 SEPTEMBER 1 THROUGH SEPTEMBER 30,1991
- 1. NARRATIVE
SUMMARY
OF OPERATING EXPERIENCES Umorick Unit 2 began the month of September at a nominal 100% of rated thormal power. On Septembw 1, reactor power was reduced to 00% por load dispatcher request. On September 20, reactor power was briofly reduced to 92% for Control Valvo Exorciso testing and for a control rod pattom adjustment. Unit 2 maintained 100% of rated thermal power for the romalnder of the month.
- 11. QALLENGES TO MAIN STEAM SAFETY REllEF VALVES There woro no challenges to the Maln Steam Satoty Rollof Valvos during the month.
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OPERATING DATA REPORT hh) h # kh )
DOCEET NO. 50 - 353
_________...________._____.. . 4 DATE OCTOBER 3. 1991 COMPLETED BY PHILADELPHIA ELECTRIC COMPANY KARL MECK REPORTS SUPERVISOR BUSINESS UNIT LIVERICK GENERATINC STATION TELEP%ONE (215) 327-1200 EXTENSION 3320 OPF. RATING STATUS
- 1. Oh!T NAME: ' LIMERICK OWIT 2 j AOTES: THEaE wERE 40 LDAD. !
- 2. REPORT!NG PERIOD:'SEPTEMSZR. 1991 ~
] REDUCTIONS -3REATER THAN i t i
- 3. LICENSED THERMAL POWER (MwT): 3293 1 20% DURING THE MONTH. ]
)
4 NAMEPLATE. RATING (GROSS Mw ): 1138 i 0
- 5. DESIGN ELECTRICAL RATING (NET MwE): 1055 l 6.' MAXIMUM DEPENDABLE CAPACITV (GROSS MWE): 1092 l
__ . g
- 7. MAXIMUM DEPENDA5LE CAPACITV (NET FWE): 1055 i
- 8. IF CHANGES QCCUR.IN CAPACITY RATINGS (ITEMS NUwSER 3 THROUGH 7) SINCE LAST RERORT. GIVE REA50'45:
- 9. POWER LEVEL TO WHICH RESTRICTED. IF ANY (NET MwE)
- 10. REASCMS FOR RESTRICTIONS. IF AFi-THIS MONTH VD-TO-DATE CUUULATIVE
- 11. HOUPS IN REPORTING DERIOD 720 6.551 15.143
- 12. NUMBER OF HOURS REACTCR was CRITICAL 720.0 4.820.0 12.379.3
?3. REACTOR RESERVE' SHUTDOWN HOURS 0.0 0.0 0.0 14 HOURS GENERATOR ON-LINE 720.0 4.712.6 11.890.2 15 UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0 1E. GROSS THERMAL ENERGV GENERATED (MWH) 2.367.989 15.203.063 38.060,853 77 GROSS ELECTRICAL ENERGV GENERATED iWWH) 786.250 4.990.16D 12.513.176
- 16. NET ELECTRICA. 5-FRGY GENEDATED (vwH) 758.416 4.809.041 ?2.041.637 paGE - Oc 2
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l DOCrET NO. 50 - 353 5 5 1 25 1 ?; 7' f3 (}
. OPERATING DATA REPOnT (CONTINUED) l.
l
- DATE OCTOBER 3. 1991 l
THIS WON'M YA-TO-DATE CUMULATIVE 100.0 71.9 78.5
- 19. UNIT SERVICE FACTOR ... -....--- ----- .---- - .-.----. --.
l 100.0 7'.5 78.5
! 20. UNIT AVAILABILITY FACTOc ............ .........--. --...--- ----
99.8 69.6 75.#
21 UNIT CADACIT% FACTOR (USING wDC NET) 99.8 69.6 75.4
- 22. UNIT CAPACITY FACTOR (USING DER NET) .--..--.---- ---......... ---..-......
O.0 0.0 6.9
- 23. UNIT FORCED OUTAGE RATE ..... . ... . ..--.._--. ..... -- ..
24 SMUTDCwNS SCHEDULED OVER NEXT 6 MONTHS (TVPE. DATE. AND DURATION 08 EACH):
l l
- 25. IS SHUTDOWN AT EN7 OF REPORT PERIOD, ESTIMATED DATE OF STARTUp:
l FORECAST ACHIEVED
- 26. t1 NITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):
l INITIAL CRITICALITY 08/12/89 00r12/89 INITIAL ELECTRICITV 09s01/89 09/01/89 l COguERCIAL OPERATION 02/01/90 01/08/90 PAGE 2 Or y
~
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' UNIT'5HUTDOwNS GND PowEE REDUCTIO 45 EDOCkET NO., 50 - 35?. 3913137-850 tWI~ NAVE LIME 4!D INI" 2
_.._. _. . --,,_. ~- . ,- __ - .
DATE OCTOBEF e *G?'
-REPORT MONTH SEPTEMBER. 1991 ' COMPLETED Ev PHILADELPMIA. ELECTRIC COMPANY ..
KARL MECK REPORTS SUDERVISCD BUSINESS UNIT LIMERICK GENERATING STATION TELEPHONE (215) 327-1200 EXTENSION 3320 l l l METHOD OF . ' LICENSEE ~ ISYSTEMlCOMDONENT. CAUSE AND CORRECTIVE l l TYPE DURATION REASONjsHUTTING DOWN EVENT i CODE i CODE ACTION TO NO.i DATE I (1)i. (HOURS)i (2) i EEACTOR (3) REPORT a l {4) l (5) PREVENT RECURRENCE l l l l I I 28 I 910901 S 000.0 F l 4 i N/A 22 ZZZZZZ- LOAD MAS REDUCED 10% PER LOAD DI$ PATCHER l '
i I REQUEST.
I i ! ! !
29 l 910922 S ! 000.0 l F '
4 N/A l RB CONROD l LOAD wAS REDUCED 8% TO DERFOGM CONTROL ROD l I ] 1 i PATTERN ADJUSTMENT AND TURBINE. CONTROL AND 1 1 STOP VALVE TESTING.
I ! ___._ j l l 1 1 I & I (1) (2) (3) (4)
F - FORCED REASON METHOD EXHIBIT G ~ INSTRUCTIONS S- SCHEDULED A - EQUIPMENT FAILURE (EXPLA7N) 1 - MANUAL FOR OREPARATION Or DATA B - MAINTENANCE OR TEST 2 - MANUAL SCRAM. ENTRY SWEETS FDR LICENSEE C - REFUELING 3 - AUTOMATIC SCRAM- EVENT REPORT (LER)
D- REGULATORY RESTRICTION 4 - OTHER (EXPLAIN) FILE (NUREG-OTET)
E - OPERATOP TRAINING + LICENSE EXAMINATION F - " ADMINISTRATIVE (5)
G - OPERATIONAL ERROR ( EX PL A IN )-
- - OTHER(EXPLAIN) Exw1 BIT I - SAME SOURLE i
a -