ML20079K503

Monthly Operating Repts for Sept 1991 for Limerick Generating Station,Units 1 & 2

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 -