ML20195C977

Monthly Operating Repts for Oct 1998 for Limerick Generating Station,Units 1 & 2.With

ML20195C977
Person / Time
Site:	Limerick
Issue date:	10/31/1998
From:	Grimes J, Hinchey P PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9811170261
Download: ML20195C977 (7)

Text

Limerid Generating Station

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PECO NUCLEAR ercor -,c -,

eo Box 2300

,4 A ynit of PECO Energy Sanatoga, PA 19464-0920 T.S.6.9.1.6 November 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 1 and 2 Enclosed are the monthly operating reports for Limerick Units 1 and 2 for the month of October 1998 forwarded pursuant to Technical Specification 6.9.1.6.

Very truly yours, 4%

Joseph P. Grimes Director - Site Engineering Pah Enclosures h

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cc:

H. J. Miller, Administrator, Region I, USNRC A. L. Burritt, USNRC Senior Resident Inspector LGS J. D. von Suskil, Vice President, LGS G. H. Stewart, LGS Experience Assessment Branch, SSB2-4 S. A. Auve, LGS ISEG Branch, SSB4-2 9811170261 981031 P PER ADOCK 05000352 R

PDR;

i Docket No. 50-352 Attachment to Monthly Operating Report for October 1998 l

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i Limerick Generating Station Unit 1 October 1 through October 31,1998 l.

Narrative Summary of Operatina Experiences Unit 1 began the month of October 1998 at 100% of rated thermal power (RTP).

i I

On October 7,1998 at 2205 hours0.0255 days <br />0.613 hours <br />0.00365 weeks <br />8.390025e-4 months <br />, power was reduced to 80% of RTP for reactor flux tilt testing and control rod pattern adjustments. Power was restored to 100% of RTP on October 13,1998 at 1958 hours0.0227 days <br />0.544 hours <br />0.00324 weeks <br />7.45019e-4 months <br />.

)

On October 13,1998 at 2300 hours0.0266 days <br />0.639 hours <br />0.0038 weeks <br />8.7515e-4 months <br />, power was reduced to nominal 90% of RTP because of computer printout problems during a xenon transient. Power was restored to 100% of RTP on October 14,1998 at 1048 hours0.0121 days <br />0.291 hours <br />0.00173 weeks <br />3.98764e-4 months <br />.

On October 18, '1998 at 0808 hours0.00935 days <br />0.224 hours <br />0.00134 weeks <br />3.07444e-4 months <br />, power was reduced to 90% of RTP for control rod l

exercise testing. Power was restored to 100% of RTP 1110 hours0.0128 days <br />0.308 hours <br />0.00184 weeks <br />4.22355e-4 months <br />.

l l

On October 25, 1998 at 0840 hours0.00972 days <br />0.233 hours <br />0.00139 weeks <br />3.1962e-4 months <br />, power was reduced to 90% of RTP for control rod exercise testing. Power was restored to 100% of RTP at 1149 hours0.0133 days <br />0.319 hours <br />0.0019 weeks <br />4.371945e-4 months <br />.

t Unit 1 ended this month at 100 % RTP.

l II.

Challences to Main Steam Safety Relief Valves l

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

Ll' s

4 i

.6 OPERATING' DATA REPORT

' DOCMET NO. 50-362 DATE : NOVEMBER 13,1998 COMPLETED BY L PECO ENERGY COtFANY P. A. H8NCHEY REPORTS ENGINEER -

SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610)718 3797 OPERATING STATUS

1. UNIT NAME.

LIMERsCK UNIT 1

2. REPORTING PERIOD:

OCTOBER,1998,

3. DESIGN ELECTRICAL RATING (NET MWE):

1134

4. MAXIMUM DEPENDA8LE CAPACITY (GROSS MWE):

1174

5. MAXIMUM DEPENDABLE CAPACITY (NET MWE):

1134 THIS MONTH YR-TO-DATE CUMULATIVE

6. NUMBER OF HOURS REACTOR WAS CRITICAL 745.0 6.084.4 94,850.8

7. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

8. HOURS GENERATOR ON-LINE 745.0 5,800.8 93,174.8

9. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

10. NET ELECTRICAL ENERGY GENERATED (MWH) 802.925 6,179,084 92,339,882

. UNIT SHUTDOWNS o

DOCKET NO. 50-352 '

UNIT NAME LIMERICK UNIT 1 DATE NOVEMBER 13,1998 COMPLETED BY PECO ENERGY COMPANY P. A. HINCHEY REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION -

REPORT MONTH OCTOBER,1998 TELEPHONE (610)716-3797 METHOD OF CAUSE AND CORRECTIVE '

TYPE DURATION REASON SHUTTING DOWN ACTION TO NO.

DATE -

(1)

(HOURS)

(2)

REACTOR (3)

PREVENT RECURRENCE 309 981007.

S B

4 REACTOR POWER WAS REDUCED TO 80% DUE TO FLUX TILT TESTING TO SEARCH FOR FUEL LEAK 310 981013 F

F 4

REACTOR POWER WAS REDUCED TO NOMINAL 90% DUE TO COMPUTER DATA BEING UNAVAILABLE DURING XENON TRANSIENT.

d 311 981018 S

B 4

REACTOR POWER WAS REDUCED TO 90% DOE TO CONTROL ROD EXERCISE TESTING.

312 981025 S

B 4

REACTOR POWER WAS REDUCED TO 90% DUE TO CONTROL ROD EXCERCISE TESTING.

TOTAL HOURS

,t 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-REGUt.ATORY RESTRICTION 4-OTHER (EXPLAIN)

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

H - OTHER (EXPLAIN) i 1

+ -

e.-

Docket No. 50-353 Attachment to Monthly Operating Report for October 1998 l

Limerick Generating Station Unit 2 October 1 through October 31,1998 I

1.

Narrative Summary of Operatina Experiences Unit 2 began the month of October 1998 at 1000% rated thermal power (RTP).

l On October 4,1998 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 92% of RTP for main turbine valve testing. Power was restored to 100% of RTP at 0300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br />.

i On October 10,1998 at 2214 hours0.0256 days <br />0.615 hours <br />0.00366 weeks <br />8.42427e-4 months <br />, power was reduced to 88% of RTP for main turbine valve testing. Power was restored to 100% of RTP on October 11,1998 at 0147 hours0.0017 days <br />0.0408 hours <br />2.430556e-4 weeks <br />5.59335e-5 months <br />.

On October 17, 1998. at 0016 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br />, power was reduced to 60% of RTP for control rod pattem adjustments and scram time testing. Power was restored to 100% of RTP on October 18,1998 at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />.

October 25,1998 at 0030 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />, power was reduced to 95% of RTP for main turbine valve testing. Power was restored to 100% of RTP at 0142 hours0.00164 days <br />0.0394 hours <br />2.347884e-4 weeks <br />5.4031e-5 months <br />.

i Unit 2 ended this month at 100% of RTP.

{:

II.

Challences to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of l'

l October. There have been no challenges to the Main Steam Safety Relief Valves year-l.

to-date.

L I-l i

i-

OPERATING DATA REPORT -

DOCKET NO. 50 -353

• i DATE NOVEMBER 13,1908 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:

OCTOBER,1998

3. DESIGN ELECTRICAL RATING (NET MWE):

1115

4. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE):

1155 S. MAXIMUM DEPENDABLE CAPACITY (NET MWE):

1115 THIS MONTH YR-TO-DATE CUMULATIVE

6. NUMBER OF HOURS REACTOR WAS CRITICAL 745.0 6 938.3 71,085_3

7. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

8. HOURS GENERATOR ON-UNE 745.0 6,883.4 80,679.1

9. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

10. NET ELECTRICAL ENERGY GENERATED (MWH) 824,505 7,610,367 72,222.168

~

_o

UNIT SHUTDOWNS s

DOCKET NO. 50-353 UNIT NAME LIMERICKUNIT2 DATE NOVEMBER 13,1998 COMPLETED BY PECO ENERGYCOMPANY P. A.HINCHEY REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION *.

REPORT MONTH OCTOBER,1998 TELEPHONE (610)718-3797 METHOD OF CAUSE AND CORRECTIVE TYPE DURATION REASON SHUTTING DOWN ACTION TO NO.

DATE (1)

(HOURS)

(2)

REACTOR (3)

PREVENT RECURRENCE 328 981004 S

B 4

REACTOR POWER WAS REDUCED TO 92% DUE TO MAIN TURB!NE VALVE TESTING.

329 981010 S'

B 4

REACTOR POWER WAS REDUCED TO 88% DUE TO MAIN TURBINE VALVE TESTING.

330 981017 S

B 4

REACTOR POWER WAS REDUCED TO 80% DUE TO SCRAM TIME TESTING AND ROD PATTERN ADJUSTMENT 331 981025 S

B 4

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

TOTAL HOURS P

(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 TRAINING + LICENSE EXAMINATION F-ADMINISTRATIVE G-OPERATIONAL ERROR (EXPLAIN)

H - OTHER (EXPLAIN)

.