ML20087D277

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

ML20087D277
Person / Time
Site:	Limerick
Issue date:	12/31/1991
From:	Leitch G, Meck K PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9201160034
Download: ML20087D277 (12)

Text

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PIIILADELPillA ELECTRIC COMPANY UMERICK GENERATINO STATION P. (1 BOX 2300 i

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Subject:

Limerick Generating Station Monthly Operating Report For i

Units 1 and 2 Enclosed are the monthly operating reports for. Limerick Units

[

1 and 2 for the month of December, 1991 forwarded pursuant to Technical Specification 6.9.1.6.

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Docket No. #50-352 Attachment to Monthly operating Report for December 1991 i

LINERICK GEN 3 RATING STATION UNIT 1 e

DECEMBER 1 THROUON DECEMadR 31, 1991 i

i I.

NARRATIVE

SUMMARY

OF QPERATING EXPERIEl{Qfa _

f Limerick Unit i began the month of December at_ a nominal 100% -

of rated thermal power.

On Tuesday, Docombor 10, reactor power was brictly reduced to 97%.of rated to facilitate a I

control rod pattern adjustment.

Reactor power was brisafly reduced _to approximately 90% on December 13 for main turbine contro) valve testing.

On - December 14, reactor power was reduceo to 70% to parform control valve / bypass valve testing i

and in(!vidual control rod scram time testing.

On December 18 - at 1745 hours0.0202 days <br />0.485 hours <br />0.00289 weeks <br />6.639725e-4 months <br />, reactor power was reduced to. commence a shutdown required to repair the liigh Pressura _ Coolant

. i Injection (!!PCI) system inboard steam supply isolation valve motor oporator.

'At 1955 hours0.0226 days <br />0.543 hours <br />0.00323 weeks <br />7.438775e-4 months <br />, the Unit 1 modo switch was taken to S!!UTDOWN_from approximately 26% power.

On December-19 at 1345 hours0.0156 days <br />0.374 hours <br />0.00222 weeks <br />5.117725e-4 months <br />, OPCOM 4

was ontored and maintenance r

activities began on the llPCI valvo.

On December 30 at 1154 houra, OPCON 2 (STARTUP) was entered and the reactor achieved.

criticality at 1614 hours0.0187 days <br />0.448 hours <br />0.00267 weeks <br />6.14127e-4 months <br />.

The startup continued and on.

December 31 2115 hourc, OPCON 1 was entered with the reactor at 15% thermal power.

Unit i ended. this operating-period at a nominal 15% of rated thermal power.

4 II.

CHALLENGES TO MAIN ETEAM SATETY RELIEF VALVP4 There were no challenges _ to the Main.- Steam S a f e t y _ R e l'i o f '

Valves during the month of December, i

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3921001440 9

Docket No. #50-353 Attachment to Monthly Operating Report for December 1991 LIMERICK GENERATING STATION UNIT 2 DECEMBER 1 THROUGH DECEMBER 31, 1991 I.

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES Limerick Unit 2 began the month of _ December at a nominal 100%

of rated thermal power.

On Sunday, December 1, reactor power was briefly reduced to 90%, then 84% of rated at the load dispatcher's request for minimum generation to meet area interchange needs.

Reactor power was restored to a nominal 100% by the end of the shift..

On December 6, reactor power was reduced to 75%

to perform a

control rod pattern adjustment.

Reactor power was returned to 100% at 0949 hours0.011 days <br />0.264 hours <br />0.00157 weeks <br />3.610945e-4 months <br /> on December 7.

Unit 2 ended this operating period at a nominal 100% of rated thermal power.

i II.

gjALLENGES TO MAIN STEAM SAFETY RELIEF VALVES There were no challenges to the Main Steam Safety Relief' Valves during the month of December, oprtgex2 5

d b

l

} ()() { / /f )

AVERAGE'IDAILV' UNIT POTER LEVEL

~

DOCKET NO. 50'- 353 UNIT LIMERICK UNIT 2 DATE. JANUARY 6 1992 COMPANY Pit! LADELPt;I A ELECTRICCOMPkNY KARL MECK REPORTS SUPERVISOR BUSINESS UNIT i

LIMERICK GENERATING STATION TELEPHONE (215) 327-1200 EXTENSION 3320 MONTH DECEMBER 1991 i

. DAY AVERAGE DAILY PCWER LEVEL DAY AVERAGE. DAILY POWER LEVEL (MWE-NET)

(pwE-NET)

. t 1

1029' 17 1068 2

1066-18 1C90

' i 3

1064 19 1044 I

4 1067 20 1062 5

-1067 21 1064

+

4 b'

1034 22 1067 4

7 1009.

22.

1059' 8-1064 24 1063 9

1107 25 1070 10

'1025 26 1054

'11-1065 27 1074-12 1070 28-1059 13-

.1064 29 1060 14

'1063 30-1062.

15 1074 31" 1059 16

'1063 i

s

~.

.,n.

39 ^I t 00144 0 OPERATING DATA' REPORT DOCMET NO. 50 - 353 3

DATE JANUARV 6, 1992 COMPLETED BY PHILADELPHIA ELECTRIC COMPANY KARL MECK REPORTS SUPERVISOR BUSINESS UNIT

. LIMERICK GENERATING STATION TELEPHONE (215) 327-1200 EXTENSION 3320 OPERATING STATUS

1. UNIT NAME: LIMERICK UNIT 2 NOTES: THERE WAS ONE LOAD

2. REPORTING PERIOD: DECEVBER. 17-REDUCTION TO 75% FOR CONTROL

3. LICENSED THERMAL POwEv'(MWT):

3293 I

ROD PATTERN ADJUSTMENT.

l 4.

NAMEPLATE RATING (GROS 5 vwE):

1138 1

t L. OESIGN ELECTRICAL RATING (NET MwE):

?O55 l

i 6,

MAXIMUM DEPENDABLE CAPACITV (GROSS MeE): 1092 l

l l

g 7.

MAXIMcM DEPENDASLE CAPACITY (NET MWE):

1055 l

l

-- -=_. __

8.

IF CHANGES OCCUR IN CAPACITV RATINGS (ITEMS NUMBER 3 THROUGH 7) SINCE LAST REPORT. GIVE REASONS:

,9.

power LEVEL-TO WHICH RESTRICTED., IF ANV (MET rwE):

10. REASONS FOR' RESTRICTIONS. IF'ANY:

THIS WONTH VR-TO-DATE CUMULATIVE 11.' HOURS IN REPORTING PERIOD' 744 8.760

• ?.352

12. NUMBER'OF HOURS REACTOR WAS CRITICAL'

-744.0 7.029.0 14.588.3

13. REACTOR' RESERVE SHUTDOWN ~ HOURS 0.0 0.0 0.0 14; HOURS GENERATOR ON.LINE.

744.0 6.921.6 14.099.2

15. UNIT RESERVE SHU'40wN HOURS O.0

'O.O O.0 16.'GEOSS' THERMAL' ENERGY GENERATED.(NWM) 2.439 518 22.413.h06 45.271.396

17. GROSS ELECTRICAL ENERGY' GENERATED.(ImvH) 819.550 7.408.620 14.931.636

18. NET' ELECTRICAL ENERGY GENERATED (wwH) 789.243 7.141.269.

'14.373.865 PAGE 1 OF ' 2~

-3921001 60

'OPERATICdG DATA REPORT (CONTINUED)

DOCCIEV NO. 50 - 353 DATE JANUARV.6 1992 THIS MONTH VR-TO-DATE COMULATIVE

19. UNIT SERVICE FACTOR 100.0 79.0 81.3

20. UNIT AVAILABIL3TY FACTOR 100.0 79.0 81.3 21.' UNIT CAPACITY FACTOR (USING MDC NET) 100.6 77.3 78.5

22. UNIT CAPACITV FACTOR (USING DER NET) 100.6 77 3 78.5

-23. UNIT FORCED OUTAGE RATE-0.0 0.5 S.8 g

1 24 SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TVPE. DATE. AND DURATION OF EACH):

25. IF SHUTDOWN-AT END OF REPORT PERIO.. ESTIMATED DA*E CF STARTUD:

26. UNITS'IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION);

.F OR E C A ST ACW.FVED s

INITIAL CRITIC.%LITV 08/12/89 08/02/89

., INITIAL ELECTRICITV 09/01/89 09/01/39 COMMERCIAL OPERATION 02/01/90 01/08/90

. PAGE 2 OF_2 a

.-m,

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>q-

- sp-.

...........-----.-- --~~--- }h f h, (

UNIT SHUTDOWNS At4D POWER REDUCTIONS DOCMET NO. SD - 353 i

UNIT NQOE LIMERICK UNIT 2 DATE JANUARY 6.

1992

=...--....

REPORT MONTH DECEMBER. 1991 COMPLETED sv PHILADELPHIA ELECTRIC COMPANY MARL MECM REPORTS SUPERVISOR BUSINESS UNIT' LIMERICK GENERATING STATION TELEPMONE (215) 327-1200 EXTENSION 3320 l

METHOD OF.1 LIC ENSEE lSYSTEMICOMPONENTl CAUSE AND CORRECTIVE

~

TYPElDURATION REASON SHUTTING DOWN(. EVENT l CODE l CODE l.

ACTION TO HO.

DATE (1)} (HOURS)

(2)

REACTOR (3) i REPORT

• 1 (4) !

(5) ! PREVENT RECURRENCE

!l I

I 33.

911201 S 1 000.0 H

4 1-N/A ZZ ZZZZZZ LOAD WAS REDUCED 16% PER LOAD 1

i 8

DISPATCHER REQUEST.

S4' 911206 4

000.0 B

4 N/A p3 i CONROD LOAD WAS REDUCED 25% FOR CONTROL i

1 ROD PATTERN ADJUSTuENT.

g-i -

1-1 i

i (1)

(2)'

(3)

(4)

F.- FORCED REASON METHOD EXHIBIT G - INSTRUCTIONS

$ - SCHEDULED

.A - EQUIPMENT FAILURE (EXPLAIN) 1 - MANUAL rOR PREPARATION OF DATA

~

B ~ MAINTENANCE OR. TEST 2 - MANUAL" SCRAM.

ENTRY SHEETS FOR LICENSEE C - REFUELING.

3 - AUTOMATIC SCRAM.

EVENT REPORT (LER)

D - REGULATORY RESTRICTION 4'-

OTHER ( EX PLAIN )

. *ILE (NUREG-0161)

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

G - OPERATIONAL ERROR (EXPLAIN)

H-OTHER(EXPLAIN)

EXHIBIT I - SAME SOURCE 4

R

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