Text

Monthly Operating Repts for Jan 1998 for Limerick Generating Station,Units 1 & 2
	ML20202G516
Person / Time
Site:	Limerick
Issue date:	01/31/1998
From:	Angus V, Grimes J; PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	; NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
	NUDOCS 9802200154
	Download: ML20202G516 (7)
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T.S.6.9.1.6 February 13,1998 Docket Nos. 50 352 50 353 License Nos NPF 39 NPF 85 U S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

Subject:

Limerick Generating Station Monthly Operating Report For Units I and 2 Enclosed are the monthly operating repons for Limerick Units 1 and 2 for the month of January 1998 forwarded pursuant to Technical Specification 19,1,6.

Very truly yours,

-Joseph P, Grimes Director - Site Engineering pah Enclosures

11. J. Miller, Administrator, Region I, USNRC cc:

A. L. Burritt, USNRC Senior Resident inspector LGS l [_

J. D. von Suskil, Vice President, LGS Q

Pon* T N h oi' lElllI%,II,%III R

Docket No. 50 352 Att:chmtnt to Monthly Operating Report for January 1998 Limerick Generating Station Unit 1 January 1 through January 31,1998 1.

Narrative Summary of Operatina Exocriences Unit 1 began the month of January 1998 at 77% of rated thermal power (RTP) while performing replacement of the 'A' Condensate Pump.

On January 4,1998 at 0138 hours0.0016 days 0.0383 hours 2.281746e-4 weeks 5.2509e-5 months , power was restored to 100% of RTP.

On January 4,1998 at 2029 hours0.0235 days 0.564 hours 0.00335 weeks 7.720345e-4 months , power was reduced to 78% of RTP for a control rod pattern adjustment. Power was restored to 100% RTP on January 5,1998 at 0100 hours0.00116 days 0.0278 hours 1.653439e-4 weeks 3.805e-5 months .

On January 10,1998 at 0100 hours0.00116 days 0.0278 hours 1.653439e-4 weeks 3.805e-5 months , power was reduced to 98% of RTP for main l

turbine valve testing. Power was restored to 100% RTP at 0300 hours0.00347 days 0.0833 hours 4.960317e-4 weeks 1.1415e-4 months .

On January 17,1998 at 2036 hours0.0236 days 0.566 hours 0.00337 weeks 7.74698e-4 months , power was reduced to 98% of RTP for main l

turbins valve testing. Power was further reduced to 90% RTP at 2220 hours0.0257 days 0.617 hours 0.00367 weeks 8.4471e-4 months for control valve testing, then further reduced to 75% RTP at 2315 for planned withdrawal of control rod 50-27 to position 46. Power was restored to 100% RTP on January 18,1998 at 0430 hours0.00498 days 0.119 hours 7.109788e-4 weeks 1.63615e-4 months .

On January 24,1998 at 2157 hours0.025 days 0.599 hours 0.00357 weeks 8.207385e-4 months , power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 2320 hours0.0269 days 0.644 hours 0.00384 weeks 8.8276e-4 months , On January 27,1998 at 2010 hours0.0233 days 0.558 hours 0.00332 weeks 7.64805e-4 months , power was reduced to 97% of RTP to optimize Recirc pump / piping vibration conditions.

On January 30,1998 at 2146 hours0.0248 days 0.596 hours 0.00355 weeks 8.16553e-4 months , power wa* 'urther reduced for a controlled plant shut down to perform a planned outage to reson, primary containment unidentified leakage and repair a HPCI turbine exhaust valve.

Unit 1 ended this month operating at 0% RTP, 11.

Challenoes to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of January.

1 i

i OPERATING DATA REPORT f

i DOCKET NO_ 50 -352 i

i DATE FEBRUARY 13,1998 f

1 COMPLETED BY PECO ENERGY COMPANY i

V.T. ANGUS REPORTS ENGINEER STTE ENGINEERING UMERICK GENERATING STATX)N TELEPHONE (sto) 71EL3767 t

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1 OPERATING STATUS l

i 1 UNIT NAME-

_ _ _ _ _. UMERICK UNIT 1 2 REPORTING PERIOD.

_ __ _ _ _ _ _ _ __ __.tANUARY,1998 i

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3. DESIGN ELECTRICAL RAT!NG (NET uwEy:

1105 4 MAXIMUM DEPENDABLE CAPACITY (GROSS MWE) 1145

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5. MAXIMUM DEPENDABLE L%PACITY (NET MWE):

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Tilts MONTH YR-TCM) ATE CUMULATTVE f

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l 6 NUMBER OF HOURS REACTOR WAS CRITICAL 7240 7240 89.510 4

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7. REACTOR RESERVE SHUTDOWN HOURS 00 00 00

8. HOURS GENERATOR ON-LINE 723 0 723.0 88.0170 i

9 UNIT RESERVE SHUTDOWN HOURS 0.0 00 00

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10. NET ELECTRICAL ENERGY GENERATED (MWH) 775,422 775.422 86.936.000 i

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UNIT SHUTDOWNS

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l-DOCKET NOf 50-352 l

UNIT MAME LIMERX;K UNIT T j

DATE FEBRUARY 13,1988 COMPLETED BY PECO ENERGY COMPANY f

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V.T. ANGUS REPORTS ENGNEER SITE ENGINEER 1NG LIMERICK GENERATING STATON I

. REPORT hCNTH JANUARY,1996 TELEPHONE (610)7183757 l

METHOD OF CAUSE AND CORRECTIVE TYPE DURATON REASON SHUTTING DOWN ACTON TO NO.

DATE (1)

(HOURS)

(2)

REACTOR (3)

PREVENT RECURRENCE

{

a 246 900101 F

A 4

REACTOR POWER WAS REDUCED TO 77% DUE TO FAlLURE OF g

THE 1 A CCNDENSATE PUMP.

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247 900104 S

B 4

REACTOR POWER WAS REDUCED TO 78% DUE TO ROD i

PATTERN ADJUSTMENT l

248 900110 S

B 4

REACTOR POWER WAS REDUCED TO 98% DUE TO WuN

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TURBWE VALVE TESTmG.

249 900117 S

B 4

REACTOR POWER WAS REDUCED TO 9es DUE TO MAN I

f TURBINE VALVE TESTING.

250 900117 S

B 4

REACTOR POWER WAS FURTHER REDUCED TO 90% DUE TO CONTROL VALVE TESTING.

l 251 980117 S

B 4

REACTOR POWER WAS FURTHER REDUCED TO 75% DUE TO PLANNED WITHDRAWAL OF ROO 50 27.

252 980124 S

B 4

REACTOR POWER WAS REDUCED TO 98% DUE TO TURBINE 1

VM'K TESTING.

253 980127 F

H 4

REACTOR POWER WAS REDUCED TO 97% DUE TO RECIRC

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PUuPmPmGvieRATON.

254 900130 S

20 0 A

1 REACTOR POWER WAS FURTHER REDUCED TO O% DUE TO FAILURE OF HPCI TURBINE EXHAUST VALVE.

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I TOT AL HOURS 20 0 i

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(1)

(2)

(3)

I F-FORCED REASON METHOD S-SCHEDULED A-EOUIPMENT FAILURE (EXPLAIN) 1 -MANUAL 4

j B - N. NANCE OR TEST 2-MANUAL SCRAM l

C - REFUELING 3-AUTOMATIC SCRAM D-REGULATORY RESTRfCTION 4-OTHER (EXPUuN)

E - OPERATOR TRAINING + UCENSE EXAMMATION i

F-ADMINtSTRATTVE I

G-OPERATsONAL ERROR (EXPLAM)

H-OTHER (EXPLAM) 4 t

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Dock;t No. 50 353 Att: chm nt to Monthly l

Operating Report for January 1998 j

Limerick Generating Station Unit 2 January 1 through January 31,1998 l.

N3 native Summary of Operatingl.xDeriences i

l Unit 2 began the month of January 1998 at 100% rated thermal power (RTP).

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On January 3,1998 at 2130 hours0.0247 days 0.592 hours 0.00352 weeks 8.10465e-4 months , power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 2230 hours0.0258 days 0.619 hours 0.00369 weeks 8.48515e-4 months .

l 1

On January 10,1998 at 2210 hours0.0256 days 0.614 hours 0.00365 weeks 8.40905e-4 months , power was reduced to 87% of RTP for main turbine valve testing, main steam isolation valve testing and a rod pattern adjustment.

Power was restored to 100% RTP on January 11,1998 at 0520 hours0.00602 days 0.144 hours 8.597884e-4 weeks 1.9786e-4 months , i

On January 18,1998 at 0300 hours0.00347 days 0.0833 hours 4.960317e-4 weeks 1.1415e-4 months , power was reduced to 98% of RTP for main 4

turbine valve testing. Power was restored to 100% RTP at 0430 hous.

On January 24,1998 at 0220 hours0.00255 days 0.0611 hours 3.637566e-4 weeks 8.371e-5 months , power was reduced to 90% of RTP for taking the 6 'A' feedwater heater out of service and for main turbine valve testing. Power was restored to 100% RTP on January 25,1998 at 0722 hours0.00836 days 0.201 hours 0.00119 weeks 2.74721e-4 months , j

On January 27,1998 at 2115 hours0.0245 days 0.588 hours 0.0035 weeks 8.047575e-4 months , power was reduced to 93% of RTP to place the 6

'A' feedwater heater in service and for rod pattern adjustments. Power was restored to 100% RTP on January 28,1998 at 0153 hours0.00177 days 0.0425 hours 2.529762e-4 weeks 5.82165e-5 months .

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Unit 2 ended this operating period at 100% of RTP.

3 II.

Challenoes to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of January.

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OPERATING DATA REPORT DOCKET NO. 50 353 DATE FEGRUARY 13,1996 COMPLETED BY PECO EEERGY COMPANY V.T. ANGUS l

REPORTS ENGNEER SITE ENONEERING LIMERICK GENERATNG STATION TELEPHONE (610)71S.3757 OPERATING STATUS

1. WT MME:

.. _ _, ___ __ _L E W W 2

2. REPORTING PERIOD:

_ _ JANUARY,1998

3. OESIGN ELECTRICAL RATING (NET WE) tt15 4 MAX: MUM DEPENDABLE CAPACITY (GROSS WE) 11SS

5. MAXIMUM OEPENDABLE CAPACITY (NET WE)'

1115 THtS MONTH YR-T04 ATE CUMULATTVE 6 NUMBER OF HOURS REACTOR WAS CRITICAL 744 0 7440 64.891 0

7. REACTOR RESERVE SHUTDOWN HOURS 00 00 00

8. HOURS GENERATOR ON-LINE 744 0 744 0 63.539 7 9 UNIT RESERVE SHUTDOWN HOURS 00 00 00

10. NET ELECTRICAL ENERGY GENERATED (MWH) 839.235 839.235 65.451.036 i

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,,....... _ -.....,....., =....

UNIT SHUTDOWNS DOCC:ETNO. 50-353 UNITNd.JE UMERICKUNIT2

.. ATE FEBRUARY 13.1996 COMPLETc0 BY PECO ENERGY COMPANY V. T. ANGUS REPORTS ENGNEER StTE ENQNEERING UMERICK GENERATING STATX)N RE? ORT MONTH JANUARY,1996 TELEPHONE ($10)7183757 I

METHOO OF CAUSE AND CORRECTIVE TYPE DURATh.)N REASON SHUTTWG DOWN ACTION TO NO.

DATE (1)

(HOURS)

(2)

REACTOR (3)

PREVENT RECURRENCE 255 900103 S

B 4

REACTOR POWER WAS REDUCED TO 98% DUE TO TURBINE VALVE TESTING.

256 900110 S

B 4

REACTOR POWER WAS REDUCED TO 87% DUE TO ROD PATTERN ADJUSTMENT AND TURB:NE VALVE TEST:NG.

257 900118 S

B 4

REACTOR POWER WAS REDUCED TO 98% DUE TO TURBWE VALVE TESTING 258 900124 S

A 4

REACTOR POWER WAS REDUCED TO 90% DUE TO REMOVC.T,6A FEEDWATER HEATER FROM SERVICE FOR VALVE REPAIRS.

259 900124 S

B 4

WHfLE REACTOR POWER WAS REDUCED TO 90%. TURBWE VALVE TESTING WAS PERFORWtD.

260 900127 S

A 4

REACTOR POWER WAS REDUCED TO 93% DUE TO PLACING THE SA FEEDWATER HEATER BACKIN SERVICE..

261 980127 S

E 4

WHILE REACTOR POWER WAS REDUCED TO 93% ROD PATTERN ADJUSTMENT WAS PERFORMED TOTAL HOURS (1)

(2)

(3)

F-FORCED REASON METHOO S - SCHEDULED A-EQU!PMENT FAILURE (EXPLAIN) 1 - MANUAL B - MAINTENANCE OR TEST 2-MANUAL SCRAM C-REFUEUNG 3-AUTOMATIC SCRAM D-REGULATORY RESTRICTION 4-OTHER (EXPLAIN)

E-OPERATOR TRAINING + UCENSE XAMINATON F-ADMINISTRATIVE G - OPERATIONAL ERROR (EXPLAIN)

H - OTHER (EXPLAIN)

L____

.

ML20202G516

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