ML20107B684

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Monthly Operating Repts for Mar 1996 for Lgs,Units 1 & 2
ML20107B684
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 03/31/1996
From: Gallagher M, Henricks D
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9604170031
Download: ML20107B684 (11)
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l* - I Limitick Gznittmting Station i

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i me-PECO NUCLEAR ecco emerov comneev PO Box 2300 A UNir or /YCO futRCy Sanatoga, PA 19464-0920 I T.S.6.9.1.6 i

i April 11, 1996 Docket Nos. 50-352 50-353 .

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' License Nos. NPF-39 l NPF-85 l U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 l

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Subject:

Limerick Generating Station Monthly Operating l Report For Units 1 and 2 i l

! i l Enclosed are the monthly operating reports for Limerick l l Units 1 and 2 for the month of March 1996 forwarded i I

l pursuant to Technical Specification 6.9.1.6.

Very truly yours, Michael P. Gallagher .

Director - Site Engineering j drh Enclosures cc: T. T. Martin, Administrator, Region I, USNRC N. S. Perry, USNRC Senior Resident Inspector LGS l l W. G. MacFarland, Vice President, LGS k

9604170031 960331 PDR ADOCK 05000352 <

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Dock:;t No. 50-352 Attachm:nt to Monthly Operating Report for March 1996 Umerick Generating Station Unit 1 March 1 through March 31,1996

1. Narrative Summarv of Ooeratina Exoeriences Unit 1 began the month of March in operational condition 1 with startup in progress following 1R06 and reactor pressure at 960 psig.

On March 1,1996 at 1335 hours0.0155 days <br />0.371 hours <br />0.00221 weeks <br />5.079675e-4 months <br /> the Main Turbine was synchronized to the grid with reactor power at 21% RTP. Modifications were performed during 1R06 to re-rate the Unit by increasing power five percent; from 3293 MWth to 3458 MWth. Power ascension continued with re-rate testing in progress. Reactor power was restored to 100% RTP on March 4,1996 at 0430 hours0.00498 days <br />0.119 hours <br />7.109788e-4 weeks <br />1.63615e-4 months <br />.

On March 4,1996 at 2201 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.374805e-4 months <br />, power was reduced to 70% RTP for a control rod pattern adjustment. Power was restored to 100% RTP on March 5,1996 at 0728 hours0.00843 days <br />0.202 hours <br />0.0012 weeks <br />2.77004e-4 months <br />.

On March 9,1996 at 0117 hours0.00135 days <br />0.0325 hours <br />1.934524e-4 weeks <br />4.45185e-5 months <br />, power was reduced to 98% RTP for main turbine

  • valve testing. Power was restored to 100% RTP at 0223 hours0.00258 days <br />0.0619 hours <br />3.687169e-4 weeks <br />8.48515e-5 months <br />.

On March 16,1996 at 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br />, power was reduced to 98% RTP for main turbine valve testing. Power was restored to 100% RTP shortly thereafter.

On March 17,1996 at 0207 hours0.0024 days <br />0.0575 hours <br />3.422619e-4 weeks <br />7.87635e-5 months <br />, power was reduced to 92% RTP for main turbine valve and RPS testing. Power was restored to 100% RTP at 0650 hours0.00752 days <br />0.181 hours <br />0.00107 weeks <br />2.47325e-4 months <br />.

On March 24,1996 at 0359 hours0.00416 days <br />0.0997 hours <br />5.935847e-4 weeks <br />1.365995e-4 months <br />, power reduction commenced in preparation to shutdown for a planned maintenance outage,1E07. Power was reduced to 24% RTP and the main turbine was removed from service at 0901 hours0.0104 days <br />0.25 hours <br />0.00149 weeks <br />3.428305e-4 months <br />. The unit was manually scrammed at 1000 hours0.0116 days <br />0.278 hours <br />0.00165 weeks <br />3.805e-4 months <br />.

On March 24,1996 at 2015 hours0.0233 days <br />0.56 hours <br />0.00333 weeks <br />7.667075e-4 months <br />, the unit entered operational condition 4, Cold Shutdown when reactor coolant temperature was less than 200 degrees F and shutdown cooling in service. ,

On March 29, the reactor mode switch was placed in Startup, control rod withdrawal commenced, and the reactor was critical at 0241 hours0.00279 days <br />0.0669 hours <br />3.984788e-4 weeks <br />9.17005e-5 months <br /> on March 30,1996. On March 30,1996, the Unit was synchronized to the grid at 23:20 hours and power ascension continued to 89% power.

On March 31,1996 at 1932 hours0.0224 days <br />0.537 hours <br />0.00319 weeks <br />7.35126e-4 months <br />, seven bypass valves opened and closed. Power was reduced immediately and further reduced to 24% power by 2230 hours0.0258 days <br />0.619 hours <br />0.00369 weeks <br />8.48515e-4 months <br />. Main turbine electro hydraulic control troubleshooting commenced.

Unit 1 ended this month operating at 24% RTP.

II. Challenaes to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of March.

AVERAGE DAILY POWER LEVEL - .

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DOCKET NO. 50-352 +

UNIT LIMERICKUNIT1 DATE APRIL 11,1996 COMPANY PECO ENERGY COMPANY ,

DAVID R. HENR;CKS REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610)718-3772 t

MONTH MARCH,1996 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWE-NET) (MWE-NET) I 1 74 17 1120 2 471 18 1119 3 899 19 1119 4 1086 20 1123 5 1040 21 1124 i 6 1124 22 1129 7 1116 23 1116 8 1128 24 286 9 1128 25 0 ,

10 1128 26 0 11 1123 27 0 12 1119 28 0 13 1128 29 0 14 1120 30 0 15 1116 31 471 16 1119

_ . . _ - - . - - _ _ _ _ _ _ - . _ . - . _ - _ _ _ _ - - . . _ _ _ _ _ _ _ _ - - _ _ _ - - _ . _ _ - - - . _ - - ~ _ - . -.

OPERATING DATA REPORT ,

DOCKET NO. 50 - 352 DATE APRIL 11,1996 COMPLETED BY PECO ENERGY COMPANY DAVID R. HENRICKS REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610)718 3772 OPERATING STATUS

1. UNIT NAME- LIMERICK UNIT 1 NOTES: THERE WERE THREE LOAD DROPS
2. REPORTING PERIOD: __ . __ __ _ _ _ _, _ . _ _ MAR _CH,1996 GREATER THAN 20% THIS MONTH ,
3. LICENSED THERMAL POWER (MWT): 3458 ASSOCIATED WITH A ROD PATTERN
4. NAMEPLATE RATING (GROSS MWE): 1180 ADJ., A PLANNED MAINT. OUTAGE
5. DESIGN ELECTRICAL RATING (NET MWE): 1105 AND MAIN TURBINE CONTROL
6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 1145 TROUBLESHOOTING.
7. MAXIMUM DEPENDABLE CAPACITY (NET MWE): 1105
8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 THROUGH 7 ) SINCE LAST REPORT, GIVE REASONS:

UNIT 1 WAS RERATED TO THESE NEW CAPACITY RATINGS.

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWE):
10. REASONS FCR RESTRICTIONS,IF ANY:

THIS MONTH YR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD 744 2,184 89,088
12. NUMBER OF HOURS REACTOR WAS CRITICAL 807.3 1,504.5 73,728.1
13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
14. HOURS GENERATOR ON-UNE 572.1 1,426.7 72.426.6
15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
16. GROSS THERMAL ENERGY GENERATED (MWH) 1,867,426 4,289,374 224,410,289
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 607,800 1,388,300 73,022,780
18. NET ELECTRICAL ENERGY GENERATED (MWH) 587,161 1,333,302 70,124,774 PAGE 1 OF 2

OPERATING DATA REPORT (CONTINUED) ,

DOCKET NO. 50 -352 DATE APRIL 11,1996 THIS MONTH YR-TMATE CUMULATI'd

19. UNIT SERVICE FACTOR 76.9 % 65.3 % 81.3 %
20. UNIT AVAILABILITY FACTOR 76.9 % 65.3 % 81.3 %
21. UNIT CAPACITY FACTOR (USING MDC NET) 71.4 % 56.7 % 74.6 %
22. UNIT CAPACITY FACTOR (USING DER NET) 71.4 % 56.7 % 74.6 %
23. UNIT FORCED OUTAGE RATE .0 % .0 % 4.2 %
24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE, DATE AND DURATION OF EACH):

CONTIGENCY OUTAGE TO REPAIR TIP MACHINE IS SCHEDULED FOR MAY 6,1996 LASTING 4 DAYS.

25. IF SHUTDOWN AT THE END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:
26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATIONS): FORECAST ACHIEVED INITIAL CRITICALITY 12/19/84 12/22/84 INITIAL ELECTRICITY MID APRIL 85 04/13/85 COMMERCIAL OPERATION IST QTR 86 02/01/86 PAGE 2 OF 2

UNIT SHUTDOWNS AND POWER REDUCTIONS - d

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DOCKET NO. 50-352 >

UNITNAME LIMERICKUNIT1 DATE APRIL 11,1996 I COMPLETED BY PECO ENERGY COMPANY DAVID R. HENRICKS REPORTS ENGINEER ,

SITE ENGINEERING ~

LIMERICK GENERATING STATION  !

REPORT MONTH MARCH,1996 TELEPHONE (610)718-3772 METHOD OF LICENSEE SYSTEM COMPONENT CAUSE AND CORRECTIVE TYPE DURATION REASON SHUTTING DOWN EVENT CODE CODE ACTION TO .

NO. DATE (1) (HOURS) (2) REACTOR (3) REPORT # (4) (5) PREVENT RECURRENCE i l

.i 98 900301 S 13.6 C 4 N/A RC FUELXX REACTOR WAS SMUTDOWN FROM PREVIOUS I REPORTING PEROID DUE TO A REFUELING l OUTAGE.  ;

99 900304 S 0.0 B 4 N/A RB CONROD REACTOR POWIR WAS REDUCED TO 70% DUE TO CONTROL ROC PATTERN ADJUSTMENT.  ;

100 960309 S 0.0 B 4 N/A HA VALVEX REACTOR PO VER WAS REDUCED TO 98% DUE TO MAIN TURBINL' VALVE TESTING.

1' 101 980316 S 00 8 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO ,

MAIN TURBINE VALVE TESTING. j 103 980317 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 92% DUE TO MAIN TURBINE VALVE AND RPS TESTING.

103 980324 S 158.3 B 2 N/A CC VALVEX REACTOR WAS SHUTDOWN DUE TO SRV AND TIP }

MACHINE MAINTENANCE.

l 104 960331 F 0.0 A 4 N/A HE VALVEX REACTOR POWER WAS REDUCED TO 24% DUE TO TURBINE VALVE /EHC CONTROL PROBLEM. j i

TOTAL HOURS 171.9 i

(1) (2) (3) (4) l F-FORCED REASON METHOD EXHIBIT G-INSTRUCTIONS f S - SCHEDULED 1 - MANUAL FOR PREPARATION OF DATA  !

A- EQUIPMENT FAILURE (EXPLAIN)

B -MAINTENANCE OR TEST 2-MANUAL SCRAM ENTRY SHEETS FOR LICENSEE l C- REFUELING 3- AUTOMATIC SCRAM EVENT REPORT (LER) 1 D- REGULATORY RESTRICTION i 4-OTHER (EXPLAIN) FILE (NUREG4161)

E - OPERATOR TRAINING + LICENSE EXAMINATION  !

F- ADMINISTRATIVE (5) >

G-OPERATIONAL ERROR (EXPLAIN) EXHIBIT I-SAME SOURCE H - OTHER (EXPLAIN)

4 Docket No. 50-353 Attachment to Monthly Operating Report for March 1996 Limerick Generating Station Unit 2 March 1 through March 31,1996

l. Narrative Summarv of Ooeratina Exoeriences Unit 2 began the month of March at a nominal 100% of rated thermal power (RTP).  :

On March 2,1996 at 0253 hours0.00293 days <br />0.0703 hours <br />4.183201e-4 weeks <br />9.62665e-5 months <br />, power was reduced to 98% RTP for main turbine valve testing. Power was restored to 100% RTP at 0425 hours0.00492 days <br />0.118 hours <br />7.027116e-4 weeks <br />1.617125e-4 months <br />. ,

On March 9,1996 at 0155 hours0.00179 days <br />0.0431 hours <br />2.562831e-4 weeks <br />5.89775e-5 months <br />, power was reduced to 98% RTP for main turbine valve testing. Power was restored to 100% RTP at 0235 hours0.00272 days <br />0.0653 hours <br />3.885582e-4 weeks <br />8.94175e-5 months <br />.

On March 10,1996 at 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br />, power was reduced to 88% RTP for main turbine valve and RPS testing. Power was restored to 100% RTP at 0210 hours0.00243 days <br />0.0583 hours <br />3.472222e-4 weeks <br />7.9905e-5 months <br />.

On March 30,1996 at 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />, power was reduced to 98% RTP for main turbine valve testing. Power was restored to 100% RTP at 0300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br />. i Unit 2 ended this cperating period at 100% of RTP.  ;

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ll. Challenaes to Main Steam Safety Relief Valves 1 There were no challenges to the Main Steam Safety Relief Valves during the month of March. 1 I

AVERAGE DAILY POWER LEVEL -

L DOCKET NO. 50-353 UNIT LIMERICKUNIT2 I DATE APRIL 11,1996 y COMPANY PECO ENERGY COMPANY DAVID R. HENRICKS REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610)7183772 MONTH MARCH,1996 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWE-NET) (MWE-NET) 1 1126 17 1138 2 1135 18 1126 3 1139 19 1126 4 1148 20 1135 5 1119 21 1130 6 1134 22 1139 7 1132 23 1123 8 1135 24 1140 9 1135 25 1123 10 1131 26 1123 11 1138 27 1131 12 1134 28 1135 13 1134 29 1126 14 1130 30 1125 9

15 1122 31 1126 16 1130 l

OPERATING DATA REPORT ,

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DOCKET NO. 50 - 353 DATE APRIL 11,1996 COMPLETED BY PECO ENERGY COMPANY DAVID R. HENRICKS REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610)718 3772 OPERATING STATUS

1. UNIT NAME: UMERICK UNIT 2 NOTES: THERE WERE NO LOAD DROP 1 REPORTING PERIOD: __ _ _ _ .. _ _ _ _.. _ _ _ _. ._ . _ . ..._ . MAR _C H. ~, 199_6_
3. LICENSED THERMAL POWER (MWT). _ __._ . __ _ 3458
4. NAMEPLATE RATING (GROSS MWE): 1163
5. DESIGN ELECTRICAL RATING (NET MWE): 1115
6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): __ _ __115_5
7. MAXIMUM DEPENDABLE CAPACITY (NET MWE): 1115
8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 THROUGH 7 ) SINCE LAST REPORT, GIVE REASONS:
9. POWER LEVEL TO WHICH RESTRICTED,IF ANY (NET MWE):
10. REASONS FOR RESTRICTIONS,IF ANY:

THIS MONTH YR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD 744 2,184 54,000 11 NUMBER OF HOURS REACTOR WAS CRITICAL 744.0 2,184.0 49,716.8
13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
14. HOURS GENERATOR ON-LINE 744.0 2.184.0 48,775.8
15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
16. GROSS THERMAL ENERGY GENERATED (MWH) 2,589,747 7,489,510 155,815.243
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 889,500 2,529,100 51,806,980
18. NET ELECTRICAL ENERGY GENERATED (MWH) 841,587 2,449,485 49,753,096 PAGE 1 OF 2

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OPERATING DATA REPORT (CONTINUED) ,

DOCKET NO. 50 - 353 DATE APRIL 11,1996 THIS MONTH YR-TO-DATE CUMULATIVE

19. UNIT SERVICE FACTOR 100.0 % 100.0 % 89.3 %
20. UNIT AVAILABILITY FACTOR 100.0 % 100.0 % 89.3 %
21. UNIT CAPACITY FACTOR (USING MDC NET) 101.4 % 100.6 % 85.4 %
22. UNIT CAPACITY FACTOR (USING DER NET) 101.4 % 100.6 % 85.4 %
23. UNIT FORCED OUTAGE RATE .0 % .0 % 3.2 %
24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE, DATE AND DURATION OF EACH):

EQUIPMENT RELIABILITY OUTAGE FOR SRVWORK SCHEDULED FOR 9/15/961.ASTING 5 DAYS.

25. IF SHUTDOWN AT THE END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP;
26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATIONS): FORECAST ACHIEVED INITIAL CRITICALITY 08/1209 08/12/89 INITIAL ELECTRICITY 0901/89 0901/89 COMMERCIAL OPERATION 0201/90 0108/90 PAGE 2 OF 2

=______ _ _ -__ _. - _ - - - _ _ _ _ - _ _ _ _ _ __ . . _ _ - _ _ - - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - - - _ _ _ _ _ _ . - - - _ _

^

i UNIT SHUTDOWNS AND POWER REDUCTIONS ., . .

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DOCKET NO. 50-353 ,

UNIT NAME LIMERICKUNIT2 DATE APRIL 11,1996 COMPLETED BY PECO ENERGY CO'APANY DAVID R. HENRICKS l

REPORTS ENGINEER SITE ENGINEERING I LIMERICK GENERATING STATION REPORT MONTH MARCH,1996 TELEPHONE (610)7183772 METHOD OF LICENSEE SYSTEM COMPONENT CAUSE AND CORRECTIVE TYPE DURATION REASON SHUTTING DOWN EVENT CODE CODE ACTION TO NO. DATE (1) (HOURS) (2) REACTOR (3) REPORT # (4) (5) PREVENT RECURRENCE 97 960302 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO l MAIN TURBINE VALVE TESTING.

98 960309 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

99 960310 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 88% DUE TO MAIN TURBINE VALVE AND RPS TESTING.

100 960330 S 0.0 8 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

TOTAL HOURS 0.0 (1) (2) (3) (4)

F-FORCED REASON METHOD EXHIBIT G -INSTRUCTIONS S - SCHEDULED A- EQUIPMENT FAILURE (EXPLAIN) 1 - MANUAL FOR PREPARATION OF DATA B - MAINTENANCE OR TEST 2-MANUAL SCRAM ENTRY SHEETS FOR UCENSEE C- REFUELING 3- AUTOMATIC SCRAM EVENT REPORT (LER)

D - REGULATORY RESTRICTION 4- OTHER (EXPLAIN) FILE (NUREG-0161)

E - OPERATOR TRAIN!NG + LICENSE EXAMINATION F- ADMINISTRATIVE (S)

G - OPERATIONAL ERROR (EXPLAIN) EXHIBIT I- SAME SOURCE H - OTHER (EXPLAIN)

_ _ _ _ _ - - _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ - - _ - - - _ _ - - _ - _ _ _ _ __

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