ML20198M197

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Monthly Operating Repts for Dec 1997 for Limerick Generating Station
ML20198M197
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 12/31/1997
From: Angus V, Grimes J
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9801200018
Download: ML20198M197 (7)
v • d • e


Text

( Limerick Generating Station d [

4 PECO NUCLEAR gmJr;r--

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A Uvr or I'lCO Iwect Swm PA M60920 T.S.6.9.1.6  ;

January 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 December 1997 forwarded pursuant to Technical Specification 6.9.1.6.

Very truly yours, Jose i P. Grimes Director - Site Engineering ,

pah i Enclosures h )

cc: ' II. J. Miller, Administrator, Region I, USNRC A. L. Burritt, USNRC Senior Resident inspector LGS J. D. von Suskil, Vice President, LGS 9901200018'971231 I s

PDN ADOCK 05000352 <

R PDR x 1

l , .

. Docket No. 50-352 f

  • Attachment t) Monthly-  !

Operating Report for  !

December 1997 - i

< 1 Limericic Generating Station f Unit 1  !

December 1 through December 31,1997 =

' l. Narrative Summary of Operating Experiences Unit 1 began the month of December 1997 at 100% of rated thermal power (RTP).:

1 On December 6,1997 at 2300 hours0.0266 days <br />0.639 hours <br />0.0038 weeks <br />8.7515e-4 months <br />, power was reduced to 98% of RTP for main- .{

turbine valve testing. Power was restored to 100% RTP at 2339 hours0.0271 days <br />0.65 hours <br />0.00387 weeks <br />8.899895e-4 months <br />, j On December 12,1997 at 2350 hours0.0272 days <br />0.653 hours <br />0.00389 weeks <br />8.94175e-4 months <br />, power was reduced to 91% of RTP for main  !

turbine valve testing. _ Power _was further reduced on December 13,1997 at 0330 hours0.00382 days <br />0.0917 hours <br />5.456349e-4 weeks <br />1.25565e-4 months <br /> -

to 61% RTP for control rod hydraulic control unit maintenance. Power was restored to - .

100% RTP on December 17,1997 at 0337 hours0.0039 days <br />0.0936 hours <br />5.57209e-4 weeks <br />1.282285e-4 months <br />.

De 0%w.tr 19,1997 at 0013 hours1.50463e-4 days <br />0.00361 hours <br />2.149471e-5 weeks <br />4.9465e-6 months <br />, power was reduced to 83% of RTP for a control j rou & dcradjustment. Power was restored to 100% RTP at 0445 hours0.00515 days <br />0.124 hours <br />7.357804e-4 weeks <br />1.693225e-4 months <br />.

On December 21,1997 at 1540 hours0.0178 days <br />0.428 hours <br />0.00255 weeks <br />5.8597e-4 months <br />, power was reduced to 98% of RTP for main i turbine valve testing. Power was restored to 100% RTP at 1700 hours0.0197 days <br />0.472 hours <br />0.00281 weeks <br />6.4685e-4 months <br />.

On December 27,1997 at 2109 hours0.0244 days <br />0.586 hours <br />0.00349 weeks <br />8.024745e-4 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 2145 hours0.0248 days <br />0.596 hours <br />0.00355 weeks <br />8.161725e-4 months <br />.

On December 28,1997 at 1420 hours0.0164 days <br />0.394 hours <br />0.00235 weeks <br />5.4031e-4 months <br />, power was reduced to 95% of RTP due to  !

increased condensate pressure. Power was further reduced at 1700 nours to 70%

RTP, Power was increased to 75% at 2215 hourt. On December 29,1997 at 0645  !

power was increased to 77% RTP during replacement of the 'A' Condensate Pump.

l l

Unit i ended this month operating at 77% RTP.

II. Challenoes to Main Steam Safety Relief Valves

There were no challenges to the Main Steam Safety Relief Valves during the month of December,'

l V

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OPERATNG DATA REPORT DOCpQET NO. SG-352' .

- DATE JANUARY 14.1988 COMPLETED BY PECO ENERGY N

  • V.T. ANGUS REPORT 3 ENGMEER SITE ENGINEERING .

UMERICK GENERATING STATION -

TELEPHONE (610) 718 3M7 OPERATING STATUS

1. UNIT NAMit _ , ._

UMERICKUNIT 1

2. REPORTNG PEROD _ _ ____ ______

DECEMBER,1987

3. DES 8GN ELECTRCAL RATING (NET WWET , , _ _ _ _ __

1105

4. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): __

1145

5. MAXIMUM DEPENCABLE CAPACITY (NET MWEy _ ___

1105

. THIS MONTH YR-TO.DATE CUMLA.ATWE

. 6. NUMBER OF HOURS REACTOR WAS CRITICAL 744 0 8.858.0 88.786 4

7. REACTOR RESERVE SHUTDOWN HOURS 00 00 00
8. HOURS GENERATOR ON-LINE 744 0 8.534.0 87.294 0
9. UNIT RESERVE SHUTDOWN HOURS 0.0 00 00
10. NET ELECTRICAL ENERGY GENERATED (MWH) 781.554 9.227.481 88.190.578 s

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UNIT SHUTDOWNS o .

DOCKET NO. 50-352 .

UNITNAME UMERICKUN!T1 ,

8 DATE JANUARY 14.1990 ~

COMPLETED BY PECO ENERGY COMPANY '

V.T. ANGUS REPORTS ENGINEER StTE ENGMEERING -

LNERICKGENERATING STATION REPORT MONTH DECEMBER,1997 TELEPHONE (610)7184767 METHOD OF CAUSE AND CORRECTIVE TYPE DURATION REASON SHUTTING DOWN ACT10N TO NO. DATE (1) (HOURS) Q) REACTOR (3) PREVENT RECURRENCE 234 971206 S B 4 REACTOR POWER WAS REDUCED TO 96% DUE TO MAN TURB!NE VALVE TESTWG.

235 971212 S B 4 REACTOR POWER WAS REDUCED TO 91% DUE TO WuN TURBINE VALVE TESTING.

236 971213 S B 4 REACTOR POWER WAS FURTHER REDUCED TO 61% DUE TO ON-LINE HCU MANTENANCE.

237 971219 S B 4 REACTOR POWER WAS REDUCED TO 83% DUE TO ROD PATTERN ADJUSTMENT.

238 971221 S B 4 REACTOR POWER WAS REDUCED TO 98% DUE TO MAN TURBINE VALVE TESTING.

239 971227 S B 4 REACTOR POWER WAS REDUCED TO 98% DUE TO MAN TURBINE VALVE TESTING.

240 971228 F A 4 REACTOR POWER WAS REDUCED TO 70% DUE TO 1 A CONDENSATE PUMP FAILURE.

TOTAL HOURS (1) G) (3)

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

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

H -OTHER (EXPLA!N) l

, Docket No. 50 353  !

  • Attachment t) Monthly i Operating Report for l December 1997 l

. Limerick Generating Station l Unit 2  !

December 1 through December 31,1997

. l. Narrative Summary of Operatina Experiences  ;

Unit 2 began the month of December 1997 at 100% rated thermal power (RTP).

On December 6,1997 at 2344 hours0.0271 days <br />0.651 hours <br />0.00388 weeks <br />8.91892e-4 months <br />, power was reduced to 88% of RTP for main  !

" turbine valve testing and control rod scram time testing. Power was restored to 100% - j

RTP on December 7,1997 at - 0410 hours0.00475 days <br />0.114 hours <br />6.779101e-4 weeks <br />1.56005e-4 months <br />. i

! On Dommber 14,1997 at 0130 hours0.0015 days <br />0.0361 hours <br />2.149471e-4 weeks <br />4.9465e-5 months <br />, power was reduced to 98% of RTP for main -

turbine valve testing. Power was restored to 100% RTP at 0241 hours0.00279 days <br />0.0669 hours <br />3.984788e-4 weeks <br />9.17005e-5 months <br />.

On December 21,1997 at 2030 hours0.0235 days <br />0.564 hours <br />0.00336 weeks <br />7.72415e-4 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 2300 hours0.0266 days <br />0.639 hours <br />0.0038 weeks <br />8.7515e-4 months <br />.

On December 26,1997 at 1253 hours0.0145 days <br />0.348 hours <br />0.00207 weeks <br />4.767665e-4 months <br />, power was reduced to 98% of RTP due to i

. a control rod drifting in to position 00. - Power was restored to 100% RTP ori  ;

December 27,1997 at 1015 hours0.0117 days <br />0.282 hours <br />0.00168 weeks <br />3.862075e-4 months <br />.

{- l

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!- On December 28, . 4.T7.t 0120 hours0.00139 days <br />0.0333 hours <br />1.984127e-4 weeks <br />4.566e-5 months <br />, power was reduced to 98% of RTP for main i l' turbine valve testins. Power was restored to 100% RTP at 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />.

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

t a
11. Challenoes to Main Steam Safety Relief Valves ,

--There were no challenges to the Main Steam Safety Relief Valves during the month of l December.

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-- . - , - - , a OPERATING DATA REPORT DOCMET NO_ ' 50-353 -

  • DATE JANUARY 14,1998 '
  • COMPLETED BY PECO ENERGY COMPANY *

. V.T. ANGUS .!

7 REPORTS ENGINEER SITE ENGINEERING . ,

., UMERICK GENERATING STATION l TELEPHONE (610)716 3767 k

l OPERATING STATUS

.1. UNIT NAMEL _

LIMERICKUNIT2 ~

2. REPORTING PERIOD: _. _. _ _ _ _ , _ _ , ,

DECEMBER,,1997

1. DESIGN ELECTRICAL RATING (NET MWE). 1115
4. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE)- . . - ~ - . 1155-

,. 5.' MAXIMUM DEPENDABLE CAPACITV (NET MWE): 1115 L

i i- \

T 2 9 THIS MONTH YR-TO-DATE CUMULATNE 6.. NUMBER OF HOURS REACTOR WAS CRITICAL 744 0 8.119.8 64,147D s'

.7. REACTOR RESERVE SHUTDOWN HOURS 0.0 O_0 0.0

8. HOURS GENERATOR ON-UNE 744.0 7,856.6 62,795.7

[ 9. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 00 s

- 10. NET ELECTRICAL ENERGY GENERATED (MWH) 843.753 8.307,070 64,611,801 t

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I~ - . _ . .- . . _ . . . . c. , - , - - , - - --. ,y--..v-----,e - + - - -

UNIT SHUTDOWNS o -

DOCKETNO. 50-353 .

UNITNAME UMERICKUNIT2 ,

DATE JANUARY 14.1996 ,

COMPLETED BY PECO ENERGY COMPANY '

V.T. ANGUS REPORTS ENGINEER SITE EMERING -

UMERICK GENERAT!NG STATION REPORT MONTH DECEMBER,1997 TELEPHONE (sic)7183767 METHOD OF CAUSE AND CORRECTIVE TYPE DURATION REASON SHUTTING DOWN ACTION TO NO. DATE (1) (HOURS) (2) REACTOR (3) PREVENT RECURRENCE 241 971206 S B 4 REACTOR POWER WAS REDUCED TO 88% DUE TO CONTROL ROD SCRAM TIME TESTING.

242 971214 S B 4 REACTOR POWER WAS REDUCED TO 98% DUE TO MAN TURBINE VALVE TESTING.

243 971221 S B 4 RFACTOR POWER WAS REDUCED TO 98% DUE TO MAN TURBlNE VALVE TESTNG.

244 971226 F A 4 REACTOR POWER WAS REDUCED TO 98% DUE TO CONTROL ROD DRIFTNG tre FROM POSITION 48 TO 00 AFTER A HALF SCRAM SIGNAL WAS INSERTED.

24S 971228 S B 4 REACTOR POWER WAS REDUCED TO 98% DUE TO MAN 1URBtNE VALVE TESTNG.

TOTAL HOURS f

(1) (2) (3)

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

E- OPERATOR TRAINING + UCENSE EXAMINATION F- ADMIf11STRATIVE G -OPERATIONAL ERROR (EXPLAIN)

H - OTriER (EXPLAIN)

-- _ -

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