ML20210L497

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Monthly Operating Repts for Jul 1997 for Limerick Generating Station
ML20210L497
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 07/31/1997
From: Canfield B, Von Suskil J
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9708210194
Download: ML20210L497 (11)
v • d • e


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Po Box 2300 A Ustr or PfCO EMkcy Sanatoga. PA 19464-0920 T.S.6.9.1.6 August 14,1997 Docket Nos. 50-352 50 353 License Nos. NPF-39 NPF-85 l-U. S. Nuclear Regulatory Commission Attn: Document Control Desk l Warbington, DC 20555

Subject:

Limerick Generating Station i Monthly Operating Report For Units 1 and 2 Enclosed are the monthly operating reports for Limerick Units I and 2 for the month of July 1997 forwarded pursuant to Technical Specification 6.9.1.6.

Very truly yours, Th b mes D. von Suskil Director - Site Engineering i

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Enclosures cc: H. J. Miller, Administrator, Region 1, USNRC N. S. Perry, USNRC Senior Resident Inspector LOS W. G. MacFarland, Vice President, LGS 9708210194 970731 ' l PDR ADOCK 05000352 I R PDR ~

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Dock:t No. 50-352 Attachment to Monthly Operating Report for July 1997 Limerick Generating Station Unit 1 July 1 through July 31,1997

1. Narrative Summary of Operatina Experience _s Unit 1 began the month of July 1997 at a nominal 100% of rated thermal power (RTP).

On July 4,1997 at 2130 hours0.0247 days <br />0.592 hours <br />0.00352 weeks <br />8.10465e-4 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 2230 hours0.0258 days <br />0.619 hours <br />0.00369 weeks <br />8.48515e-4 months <br />.

On July 11,1997 at 2306 hours0.0267 days <br />0.641 hours <br />0.00381 weeks <br />8.77433e-4 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP on July 12 at 0009 hours1.041667e-4 days <br />0.0025 hours <br />1.488095e-5 weeks <br />3.4245e-6 months <br />.

On July 19,1997 at 2202 hours0.0255 days <br />0.612 hours <br />0.00364 weeks <br />8.37861e-4 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP on July 20 at 0056 hours6.481481e-4 days <br />0.0156 hours <br />9.259259e-5 weeks <br />2.1308e-5 months <br />.

On July 22,1997 at 0010 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br />, pown was reduced to 98% of RTP to swap Motor controllers to perform work on the 1A reactor feed pump MGU speed controller. Power was restored to 100% RTP at 0115 hours0.00133 days <br />0.0319 hours <br />1.901455e-4 weeks <br />4.37575e-5 months <br />.

On July 24,1997 at 1401 hours0.0162 days <br />0.389 hours <br />0.00232 weeks <br />5.330805e-4 months <br />, power was reduced tc 98% of RTP to restore speed I

control to the 1 A reactor feed pump MGU speed controller. Power was restored to 100% RTP at 1459 hours0.0169 days <br />0.405 hours <br />0.00241 weeks <br />5.551495e-4 months <br />.

On July 26,1997 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 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 0230 hours0.00266 days <br />0.0639 hours <br />3.80291e-4 weeks <br />8.7515e-5 months <br />.

Unit 1 ended this month operating at 100% RTP.

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

s

AVERAGE DAILY POWER LEVEL .-

- . DOCKETNO. 50-352 ,  !

UNIT LIMERICKUfCT1 - .

'1

, DATE AUGUST 14,1997 ,

d COMPANY . PECO ENERGY COMPANY BRUCE E. CANFIELD REPORTS ENGINEER ',~

SITE ENGINEERING -

LIMERICKGENERATING STATION TELEPHONE (610)7184794 j

MONTH JULY 1997 DAY . AVERAGE DAILY POWER LEVEL DAY AVERAGE DAftY POWER LEVEL (MWE-NET) (MWE-NE1) .

i 1 1085 17 :1081 2 1089. 18 1081 3 1076 19 1082 4 1085 20 1095 '

S 1098 21 1088 6 1094 22 1090 7 1089 23 1000-8 1089 24 1100 9 1077 25 1095 10 1094 26 1088-11 -1094 27 1074 12 1090 26 1062 13 1086 29 1090 14 1082 30 1095 15 1077 31 1000 16 '1077

^~

~

. l OPERATING DATA REPORT  !

~

DOCKET NO. 50-352 . .

DATE AUGUST 14.1997 COMPLETED BY PECO ENERGY COMPANY l BRUCE E. CANFtELD REPORTS ENGINEER ,

SITE ENGINEERING LIMER!CK GENERATING STATION TELEPHONE (6'0) 718-3794 OPERATING STATUS

1. UNIT NAME- ~ . . - . - . L -

- .- .I.M.ER.fC. K.. UN_I_T 1..

2. REPORTING PERIOD: _._, _ _ . . _ _ _ _ _ . _ ___ _,__ J.UcY 1997 u GREATER THAN 20% THIS MONTH.
3. LICENSED THERMAL POWER (MWT):_ _ _,_ _ .._..__3458
4. NAMEPl/TE RATING (GROSS MWE): _, _ _ _ _1160
5. DESIGN ELECTRICAL RATING (NET MWE): , , _ . _ _ . _ . _ ._ _1105
6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): ___ 1145
7. MAXIMUM DEFENDABLE CAPACITY (NET MWE): _1105
8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 THROUGH 7 ) SINCE LAST REPORT, GIVE REASONS:
9. POVER 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 5,087 100.775
12. NUMBER OF HOURS REACTOR WAS CRITICAL 744 0 4.986.0 85,113.4
13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
14. HOURS GENERATOR ON-LINE 744.0 4.861.0 83,821.0
15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
16. GROSS THERMAL ENERGY GENERATED (MWH) 2,569,250 16,571,243 262,325,405
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 838.000 5.470,000 85,542,380
18. NET ELECTRICAL ENERGY GENERATED (MWH) 808.824 5.288,781 82,221,878 PAGE 1 OF 2

. i. .. . . - . . . . .

I OPERATING DATA REPORT (CONTINUED)

DOC m NO. so-as2 f.' -

DATE' ' AUGUST 14,1997 - I THIS MONTH YR-TO-DATE ' CUMULATIVE .

19. UNIT SERVICE FACTOR 100.0 % 95.6 % 83.0 %
20. UNIT AVAILABluTY FACTOR 100.0 % 95.6 % 83.0 %
21. UNIT CAPACITY FACTOR (USING MDC NET) 98.4 % 94.1 % 76.8 % :
22. UNIT CAPACITY FACTOR 1.fSING DER NET) 98.4 % 94.1 % 76.8 % '

' 23. UNIT FORCED OUTAGE RATE .0 % .0 % 40%

24. SHUTDOWNS SCHEDULED OVER THE NEXT 8 MONTHS (TYPE, DATE AND DURATION OF EACH):
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 CRITICAUTY - 12/19/84 12122/84 INITIAL ELECTRICITY mfd APRIL 85 O&t3/86

- COMMERCIAL OPERATION IST QTR 86 - 02/01/86 PAGE 2 OF 2

UNIT SHUTDOWNS AND POWER REDUCTONS .--

DOCKET NO. 50-352 -  : .-

UNIT NAMr < 3dERICK UNIT 1 -

' DATE AUGUST 14,1967

. COMPLETED BY PECO ENERGY COMPANY BRUCE E. CANFELD

. REPORTS ENGINEER ' ~.

SITE ENGINEERING LIMERICK GENERATING STATION REPORT MONTH JULY,1997 TELEPHONE (810)718 3794 METHOO OF UCENSEE SYSTEM COMPONENT CAUSE AND CORRECTIVE -

TYPE DURATION REASON SHUTTING DOWN ' EVENT CODE CODE ACTION TO

- NO. DATE (1) (HOURS) (2) REACTOR (3) REPORTS (4) (S) . PREVENT RECURRENCE 203 970704 S B 4 HA VALVEX REACTOR POWER WAS REDUCED TO 90% DUE TC MAIN fURB VLVTESTING.

204 970711 S B 4 HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURB VLV TESTING.

205 970719 S B 4 HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURB VLV TESTING.

206 970722 S B 4 CH INSTRU REACTOR POWER WAS REDUCED TO 98% DOE TO SWAPPING MOTOR CONTROLLERS TO PERFORM WORK ON 1 A RX FD PUMP MGU SPEED CONTROLLER.

207 970724 S B 4 CH INSTRU REACTOR POWER WAS REDUCED TO 98% DUE TO RESTORE SPEED CONTROLLER TO THE 1 A RX FD PUMP MGC SPEED CONTROLLER.

208 970726 S B -4 HA VALVEX REAC~OR POWER WAS REDUCED TO 98% ' ilE TO MAIN TURB VLV TESTING.

TOTAL HOURS (1) (2) (?) (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 LICENSEE C- REFUELING 3 - AUTOMATIC SCRAM EVENT REPORT (LER)

D- REGULATORY RESTRICTION ' 4-OTHER (EXPLAIN) FILE (NUREG4161)

E - OPERATOR TRAINING + UCENSE EXAMINATION

. F - ADMINISTRATIVE (5)

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

' Dock t No. 50-353 Attachment t) Monthly Operating Report for July 1997 Limerick Generating Station ,

Unit 2 July 1 through July 31,1997

1. Narrative Summary of Operatino Experiences Unit 2 began the month of July 1997 at 100% rated thermal power (RTP).

On July 4,1997 at 2245 hours0.026 days <br />0.624 hours <br />0.00371 weeks <br />8.542225e-4 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 2350 hours0.0272 days <br />0.653 hours <br />0.00389 weeks <br />8.94175e-4 months <br />.

On July 12,1997 at 0019 hours2.199074e-4 days <br />0.00528 hours <br />3.141534e-5 weeks <br />7.2295e-6 months <br />, power was reduced to 98% of RTP for main turbine .

valve testing. Power was further reduced to 67% of RTP at 0434 for scram time testing l and rod pattem adjustment. Rod pattem adjustments completed at 2015 hours0.0233 days <br />0.56 hours <br />0.00333 weeks <br />7.667075e-4 months <br /> and a power increase to 83% RTP commenced. Power was restored to 100% RTP on July 13 at 0404 hours0.00468 days <br />0.112 hours <br />6.679894e-4 weeks <br />1.53722e-4 months <br />.

On July 13,1997 at 2245 hours0.026 days <br />0.624 hours <br />0.00371 weeks <br />8.542225e-4 months <br />, power was reduced to 86% of RTP for main turbine valve testing 'er was restored to 100% RTP on July 14,1997 at 0354 hours0.0041 days <br />0.0983 hours <br />5.853175e-4 weeks <br />1.34697e-4 months <br />.

On July 19,1997 at 0254 hours0.00294 days <br />0.0706 hours <br />4.199735e-4 weeks <br />9.6647e-5 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 0330 hours0.00382 days <br />0.0917 hours <br />5.456349e-4 weeks <br />1.25565e-4 months <br />.

j On July 26,1997 at 0245 hours0.00284 days <br />0.0681 hours <br />4.050926e-4 weeks <br />9.32225e-5 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 0342 hours0.00396 days <br />0.095 hours <br />5.654762e-4 weeks <br />1.30131e-4 months <br />.

On July 26,1997 at 1710 hours0.0198 days <br />0.475 hours <br />0.00283 weeks <br />6.50655e-4 months <br />, power was reduced to 95% of RTP due to a drywall chilled water isolation caused by a fault in a logic circuit. Power was restored to 100%

RTP at 2122 hours0.0246 days <br />0.589 hours <br />0.00351 weeks <br />8.07421e-4 months <br />.

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

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

AVERAGE DAILY POWER LEVEL -

_.e _*

DOCKETNO. 50-353 ' ,

~ UNIT LitaERICKUNIT2 - - .

DATE AUGUST 14.19P' . .

COMPANY PECO ENERGYCOMPANY BRUCE E. CANFIELD REPORTS ENGINEER ,

SITE ENGINEERfMG LIMERICK GENERATING STATION TELEPHONE (610)71EL3794 MONTH JULY,1997 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWE-NET) (MWE-NET) 1 1118 -17 1112 2 1118 18 1108 3 1113 19 1122 4 1118 20- -1125 5 1126 21 1118 6 . it:C 22 1118 7 1122 23 1126 8 1117 24 1125 9 1113 25 1121 10 1122 26 1102 11 1121 27 1100 12 800 28 1113 13 1100 29 1118 14 1002 30 1126 15 1108 31 1119 16 1109

OPERATING DATA REPORT DOCKET NO.' 50-353 - + .

l DATE AUGUST 14,1997 i I

COMPLETED BY PECO ENERGY COMPANY BRUCE E. CANFIELD REPORTS ENGINEER .

SITE ENGINEERING LIMERICK GENERATING STATION 1

TELEPHONE (610)718 3794 OPERATING STATUS

1. UNIT NAME ___

LIMERICK UNIT 2 NOT5 PERE WAS ONE LOAD DROP

2. REPORTING PERIOD: JULY 11997, GREATER THAN 20% THIS MONTH 3458
3. UCENSED THERMAL POWER (WWT) DUE TO ROD PATTERN ADJUSTMENT 1163
4. NAMEPLATE RATING (GROSS MWE): AND SCRAM TIME TESTING.
5. DESIGN ELECTRICAL RATING (NET MWE): ,_,, 1115
6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): __

1155 1115

7. MAX 1 MUM DEPENDABLE CAPACITY (NET MWE):

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 FON RESTRICTIONS,IF ANY:

THIS MONTH YR-TO-DATE CUMULATIVE 744 5,067 66,:;'87

11. HOURS IN REPORTING PERIOD 744.0 4,446.8 60,474.0 1' NUMBER OF HOURS REACTOR WAS CRITICAL 0.0 0.0 0.0
13. REACTOR RESERVE SHUTDOWN HOURS 744.0 4,183.6 59,122.7
14. HOURS GENERATOR ON-LINE 0.0 0.0 0.0
15. UNIT RF_ SERVE SHUTDOWN HOURS 2,542.706 13.223,321 180,648,085
16. GROSS THERMAL ENERGY GENERATED (WWH) 849,900 4,374.200 62,784,480
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 822,751 4,219,467 60.S24,198
18. NET ELECTRICAL ENERGY GENERATED (MWH)

PAGE 1 OF 2

OPERATING DATA REPORT (CONTINUED) 1 N NO. - 2-2 -

DATE AUGUST 14,1997

/

THIS MONTH YR-TOOATE CUMULATIVE

' 19. UNIT SERVICE FACTOR 100.0 % 82.2 % 892 % --

20. UNIT AVAILABluTY FACTOR 100.0 % 822 % ' 89.2 %

902 % 74.4 % . 84.9 %

21. UNIT CAPACITY FACTOR (UStfY' MDC NET)
22. UNIT CAPACITY FACTOR (USING DER NET) 992 % 74.4 % 84.9 %
23. UNIT FORCED OUTAGE RATE .0 % 2.7 % 3.5 %
24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE, DATE AND DURATION OF EACH):-
25. IF SHUTDOWN AT THE END OF REPORT PdROD, ESTIMATED DATE OF STARTUP-
26. UNITS IN TEST STATUS (PROR TO COMMERCIAL OPERATIONS): FORECAST ACHIEVED ,

' INITIAL CRITICALITY 08f12/89 08f12/89 INITIAL ELECTRICITY 0901/89 0901/89 COMMERCIAL OPERATION 0201/90 01/08510 PAGE 2 OF 2

UNIT SHUTDOWNS AND POWER REDUCTIONS ' . I DOCKET NO. 50-353 ' .

UNITNAME UMERICKUNIT2 l; DATE AUGUST 14,1997 COMPLETED BY PECO ENERGY COMPANY BRUCE E. CANFIELD ,

REPORTS ENGINEER SITE ENGINEERING LIMER!CK GENERATING STATION '

REPORT MONTH JULY,1997 TELEPHONE (610)7163794 1

'i 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 185 970704 S B 4 HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURB VLV TESTING.

996 970712 S B 4 RB CONROD REACTOR POWER WAS REDUCED TO 67% DUE TO SCRAM TIME TESTING AND ROD PATTERN ADJUSTMENT.

187 970713 S B 4 HA VALVEX REACTOR POWER WAS REDUCED TO 88% DUE TO MAIN TURB VLV TESTING.

188 970719 S B 4 HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURB VLV TESTING. I 189 970726 S B 4 HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURB VLV TESTING.

190 970726- F A 4 SB INSTRU REACTOR POWER WAS REDUCED TO 95% DUE TO A DRYWELL CHILLED WATER ISOLATION CAUSED BY A FAULT IN A LOGIC CIRCUIT.

TOTAL HOURS (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 - REFUEUNG 3- AUTOMATIC SCRAM EVENT REPORT (LER) '

D - REGULATORY RESTRICTION 4- OTHER (EXPLA!N) . FILE (NUREG0161)

E - OPERATOR TRAINING + UCENSE EXAMINATION F - ADMINISTRATIVE (5)

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

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