ML20206N406

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Monthly Operating Repts for Nov 1998 for Limerick Generating Station,Units 1 & 2.With
ML20206N406
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 11/30/1998
From: Grimes J, Hinchey P
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9812170081
Download: ML20206N406 (7)
v • d • e


Text

3 Limerick Generating Station t

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PECO NUCLEAR nco mev c-ev PO Box 2300 A Unit of PECO Energy Sanatoga. PA 19464-0920 T.S.6.9.1.6 December 14,1998 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 1 and 2 Enclosed are the monthly operating reports for Limerick Units 1 and 2 for the month of November 1998 forwarded pursuant to Technical Specification 6.9.1.6.

Very truly yours, Josejh P. Grimes Director - Site Engineering Pah Enclosures r3 cc:

H. J. Miller, Administrator, Region I, USNRC A. L. Burritt, USNRC Senior Resident Inspector LGS J. D. von Suskil, Vice President, LGS g

G. H. Stewart, LGS Experience Assessment Branch, SSB2-4

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/

S. A. Auve, LGS ISEG Branch, SSB4-2

}p 9812170081 981130 PDR ADOCK 05000352 l

R PM g

, 4-i Docket No. 50-352 i

Attachment to Monthly Operating Report for November 1998 l

Limerick Generating Station Unit 1 November 1 through November 30,1998 i

1.

Narrative Summary of Ooeratina Experiences i

Unit i began the month of November 1998 at 100% of rated thermal power (RTP).

.i L

On November 1,1998 at 0842 hours0.00975 days <br />0.234 hours <br />0.00139 weeks <br />3.20381e-4 months <br />, power was reduced to 89% of RTP for control t

rod exercise test. Powerwas restored to 100% of RTP at 1434 hours0.0166 days <br />0.398 hours <br />0.00237 weeks <br />5.45637e-4 months <br />.

i i

i On November 7,1998 at 1803 hours0.0209 days <br />0.501 hours <br />0.00298 weeks <br />6.860415e-4 months <br />, power was reduced to 69% of RTP for removal j

of 1B Condensate Pump from service due to high vibration. Scheduled control rod i

exercise test was also performed. Power was restored to 100% of RTP on

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. November 10,1998 at 0139 hours0.00161 days <br />0.0386 hours <br />2.29828e-4 weeks <br />5.28895e-5 months <br />.

i i

On November 13,1998 at 0858 hours0.00993 days <br />0.238 hours <br />0.00142 weeks <br />3.26469e-4 months <br />, power was reduced to 73% of RTP for removal of the 1B Condensate Pump due to high vibration. Scheduled control rod exercise test l

was also performed. Power was restored to 100% of RTP on November 16,1998 at J

2354 hours0.0272 days <br />0.654 hours <br />0.00389 weeks <br />8.95697e-4 months <br />.

On November 22,1998 at 1011 hours0.0117 days <br />0.281 hours <br />0.00167 weeks <br />3.846855e-4 months <br />, power was reduced to 90% of RTP for control rod exercise test. Power was restored to 100% of RTP at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />.

On November 29,1998 at 0955 hours0.0111 days <br />0.265 hours <br />0.00158 weeks <br />3.633775e-4 months <br />, power was reduced to 90% of RTP for control rod exercise and Main Steam Isolation Valve slow closure tests. Power was restored to 100% of RTP at 2147 hours0.0248 days <br />0.596 hours <br />0.00355 weeks <br />8.169335e-4 months <br />.

Unit 1 ended this month at 100 % RTP.

i ll.

Challenoes to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of November. There have been no challenges to the Main Steam Safety Relief Valves year-to-date through November.

I i

m.. - -.

..o OPERATING DATA REPORT

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DOCKET NO. 50-352 DATE DECEMBER 14,1998 COMPLETED BY PECO ENERGYCOMPANY P. A.HINCHEY REPORTS ENGINEER StTE ENGINEERING LIMERICKGENERATING STATION TEEPHONE (610)718-3797 e

OPERATING STATUS

1. UNIT NAME.

LIMERICK UNIT 1

2. REPORTING PERIOD:

NOVEMBERd9118

3. DESIGN ELECTRICAL RATING (NET MWE):

1134 l

4. MAXIMUM DEPENDABE CAPACITY (GROSS MWE):

1174 S. MAXIMUM DEPENDABE CAPACITY (NET MWE):

1134 i

i THIS MONTH YR-TO-DATE CUMULATIVE

6. NUMBER OF HOURS REACTOR WAS CRITICAL 720.0 6,784.4 95,570.8
7. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
8. HOURS GENERATOR ON-LINE 720.0 6,800.8 93,804.6
9. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
10. NET EECTRICAL ENERGY GENERATED (MWH) 800,801 6,979,975 93,140,553 k

y UNIT SHUTDOWNS DOCKET NO. 50-352 UNITNAME LIMERiCKUNIT1 DATE DECEMBER 14,1996 COMPLETED BY PECO ENERGY CORMANY

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P. A. HINCHEY REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION REPORT MONTH NOVEMBER,1996 TELEPHONE (610)7163797 METHOD OF CAUSE AND CORRECTIVE TYPE DURATION REASON SHUTTING DOWN ACTION TO NO.

DATE (1)

(HOURS)

(2)

REACTOR (3)

PREVENT RECURRENCE 313 981101 S

B 4

REACTOR POWER WAS REDUCED TO 89% DUE TO CONTROL ROD EXERCISE TEST.

314 981107 F

A 4

REACTOR POWER WAS REDUCED TO 69% DUE TO 1B CONDENSATE PUMP HIGH VIBRATION ALARMS. SCHEDULED CONTROL ROD EXERCISE WAS ALSO PERFORMED DURING THIS LOAD DROP.

315 981113 F

A 4

REACTOR POWER W4 REDUCED TO 76% DUE TO 1B CONDENSATE PUMP HIGH VIBRATION ALARMS. SCHEDULED CONTROL ROD EXERCISE TESTWAS ALSO PERFORMED DURING THIS LOAD DROP.

316 961122 S

B 4

REACTOR POWER WAS REDUCED TO 90% DUE TO CONTROL ROD EXERCISE TEST.

317 981129 S

B 4

REACTOR POWER WAS REDUCED TO 90% DUE TO MAIN TURBINE VALVE TESTING AND CONTROL ROD EXERCISE TEST.

TOTAL HOURS t

(1)

(2)

(3)

F-FORCED REASON METHOD S-SCHEDULED A - EQUIPMENT FAILURE (EXPLAIN) 1 - MANUAL B -MAINTENANCE OR TEST 2-MANUAL SCRAM C-REFUELING 3-AUTOMATIC SCRAM D-REGULATORY RESTRICTION 4-OTHER (EXPLAIN)

L E - OPERATOR TRAINING + LICENSE EXAMINATION F-ADMINI3TRATIVE G -OPERATIONAL ERROR (EXPLAIN)

H -OTHER (EXPLAIN)

7

7.. __,_..._.. _ _

t I

Docket No. 50-353 i

Attachment to Monthly

^

4 Operating Report for

)

November 1998 Limerick Generating Station i

Unit 2 November 1 through November 30,1998 i

l.

Narrative Summary of Ooeratino Exoeriences Unit 2 began the month of November 1998 at 100% rated thermal power (RTP).

s.

On November 1,1998 at 0005 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />, power was reduced to 95% of RTP for main turbine valve testing. Power was restored to 100% of RTP at 0330 hours0.00382 days <br />0.0917 hours <br />5.456349e-4 weeks <br />1.25565e-4 months <br />.

On November 6,1998 at 2245 hours0.026 days <br />0.624 hours <br />0.00371 weeks <br />8.542225e-4 months <br />, power was reduced to 96% of RTP for recirc pump vibration data gathering. On November 7 at 0155 hours0.00179 days <br />0.0431 hours <br />2.562831e-4 weeks <br />5.89775e-5 months <br />, power was further reduced to 88% of RTP for main turbine valve testing. At 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br />, power was 4

further reduced to 74% of RTP for a control rod pattem adjustment. Powerwas restored to 100% of RTP on November 8, at 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br />.

1 On November 9,1998 at 0015 hours1.736111e-4 days <br />0.00417 hours <br />2.480159e-5 weeks <br />5.7075e-6 months <br />, power was reduced to 83% of RTP for a control rod pattem adjustment. Power was restored to 100% of RTP on November 9, at 0400

]

hours.

4 l

On November 13,1998 at 2226 hours0.0258 days <br />0.618 hours <br />0.00368 weeks <br />8.46993e-4 months <br />, power was reduced to 88% of RTP for a control rod pattern adjustment. Power was restored to 100% of RTP on November 14, at 0128 hours0.00148 days <br />0.0356 hours <br />2.116402e-4 weeks <br />4.8704e-5 months <br />.

I i

On November 14,1998 at 2225 hours0.0258 days <br />0.618 hours <br />0.00368 weeks <br />8.466125e-4 months <br />, power was reduced to 95% of RTP for main turbine valve testing. Power was restored to 100% of RTP at 2250 hours0.026 days <br />0.625 hours <br />0.00372 weeks <br />8.56125e-4 months <br />.

On November 21,1998 at 2303 hours0.0267 days <br />0.64 hours <br />0.00381 weeks <br />8.762915e-4 months <br />, power was reduced to 95% of RTP for main i

turbine valve testing. Power was restored to 100% of RTP on November 22, at 0037 hours4.282407e-4 days <br />0.0103 hours <br />6.117725e-5 weeks <br />1.40785e-5 months <br />.

On November 28,1998 at 2152 hours0.0249 days <br />0.598 hours <br />0.00356 weeks <br />8.18836e-4 months <br />, power was reduced to 96% of RTP for main turbine valve testing. Power was restored to 100% of RTP at 2300 hours0.0266 days <br />0.639 hours <br />0.0038 weeks <br />8.7515e-4 months <br />.

Unit 2 ended this month at 100% of RTP.

II.

Challenoes to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of November. There have been no challenges to the Main Steam Safety Relief Valves year-to-date through November.

__ ~

OPERATING DATA' EPORT R

DOCKET NO. 50 353 DATE DECEMBER 14,1998 COMPLETED BY PECO ENERGY COMPANY -

P. A. HINCHEY REPORTS ENGINEER SITE ENGINEERING

~

LIMERICK GENERATING STATION TELEPHONE (610)718 3797 OPERATING STATUS

1. UNIT NAME.

LIMERICK UNIT 2

2. REPORTING PERIOD:

NOVEMBER,1998 1

3. DESIGN ELECTRICAL RATING (NET MWE):

1115

4. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE):

1155

5. MAXIMUM DEPENDABLE CAPACITY (NET MWE):

1115 THIS MONTH YR-TCM) ATE CUMULATIVE

6. NUMBER OF HOURS REACTOR WAS CRITICAL 720.0 7,868.3 71,305.3
7. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0 B. HOURS GENERATOR ON-LINE 720.0 7,803.4 70,399.1
9. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
10. NET ELECTRICAL ENERGY GENERATED (MWH) 800,510 8,419,877 73,031,678

UNIT SHUTDOWNS e

DOCKETNO. 50-363 UNITNAME LIMERICKUNIT2 DATE DECEMBER 14,1998 COMPLETED BY PECO ENERGYCOMPANY P. A.tilNCHEY REPORTS ENGWEER SITE ENGWEERING LIMERICK GENERATNG STATION REPORT MONTH

NOVEMBER,19ert TELEPHONE (610)7183797 METHOD OF CAUSE AND CORRECTIVE TYPE DURATION REASON SHUTTWG DOWN ACTION TO NO.

DATE (1)

(MOURS)

(2)

~ REACTOR (3)

PREVENT RECURRENCE 332 981101 S

B 4

REACTOR POWER WAS REDUCED TO 96% DUE MAIN TURBME VALVE TESTING.

333 981108 S

B 4

REACTOR POWER WAS REDUCED TO 74% DUE TO ROD PATTERN ADJUSTMENT. MAN TURBINE VLV TESTING, SCRAM TIME TESTING AND RECIRC PUMP VIBE DATA GATHERNG ALSO PERFORMED DURING THIS LOAD DROP.

s 334 981100 S

B 4

REACTOR POWER WAS REDUCED TO 83% DUE TO ROD PATTERN ADJUSThENT.

335 981113 S

B 4

REACTOR POWER WAS REDUCED TO 80% DUE TO ROD PATTERN ADJUSTMENT.

338 981114 S

B 4

REACTOR POWER WAS REDUCED TO 95% DUE TO MAIN TURBINE VALVE TESTING.

337 981121 S

B 4

REACTOR POWER WAS REDUCED TO 96% DUE TO MAN TURBME VALVE TESTING.

i 338 981128 S

B 4

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

TOTAL HOURS (1)

(2)

(3)

F-FORCED REASON METHOD S-SCHEDULED A - EQUIPMENT FAILURE (EXPLAIN) 1 - MANUAL B-MAINTENANCE OR TEST 2-MANUAL SCRAM C-REFUELING 3-AUTOMATIC SCRAM D-REGULATORY RESTRICTION 4-OTHER (EXPLAIN)

E - OPERATOR TRANING + LICENSE EXAMINATION F - ADMINISTRATIVE G-OPERATIONAL ERROR (EXPLAIN)

H -OTHER (EXPLAIN)

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