ML20211N996

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Monthly Operating Repts for Sept 1997 for Limerick Generating Station Units 1 & 2
ML20211N996
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 09/30/1997
From: Hinchey P, Von Suskil J
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9710200020
Download: ML20211N996 (11)
v • d • e


Text

Lim: rick GInerating Station p

PECO NUCLEAR egg,gge A Umr or PEco EMECr Sanatog, PA 19464-o920 T.S 6,9.1.6 October 15,1997 Docket Nos. 50-352 50-353 License Nos. NPF-39 NPF-85 U. S. Nuclear Regulatory Commission Attn: Doc'iment 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 1997 forwarded pursuant to Technical Specification 6.9.1.6.

Very truly yours,

]@

e4!v J

es D. von Suskil irector-Site Engineering pah i

I Enclosures cc:

H. J. Miller, Administrator, Region I, USNRC N. S. Perry, USNRC Senior Resident Inspector LGS W. G. MacFarland, Vice President, LGS 9710200020 970930 PDR ADOCK 05000352 l, h kh,k R

PDR-

Dockst No. 50-352 Atttchm:nt to Monthly Operating Report for l

l September 1997

- Limerick Generating Station Unit 1 September 1 through September 30,1997 1.

- Narrative Summary of Operatino Experiences Unit 1 began the month of September 1997 at a nominal 100% of rated thermal power (RTP).

On September 7,_1997 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% of RTP for main turbine valve testing.L Power was restored to 100% RTP on at 0300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br />.

On September 13,1997 at 0223 hours0.00258 days <br />0.0619 hours <br />3.687169e-4 weeks <br />8.48515e-5 months <br /> power was rsducc6 to 88% RTP for main turbine valve testing. Power was further reduced to 60% at 0410 hours0.00475 days <br />0.114 hours <br />6.779101e-4 weeks <br />1.56005e-4 months <br /> to prepare for control rod pattem adjustments. At 2220 hours0.0257 days <br />0.617 hours <br />0.00367 weeks <br />8.4471e-4 months <br /> power was further reduced to 50% RTP for rod pattem adjustments. On September 14,1997 et 1950 hours0.0226 days <br />0.542 hours <br />0.00322 weeks <br />7.41975e-4 months <br /> power was restored to 97% RTP and held steady due to elevated turbine back pressure caused by delays in filling circ water loop B. Power was restored to 100% RTP on September 15, at 0237 hours0.00274 days <br />0.0658 hours <br />3.918651e-4 weeks <br />9.01785e-5 months <br />.

On September 16,1997 at 0053 hours6.134259e-4 days <br />0.0147 hours <br />8.763227e-5 weeks <br />2.01665e-5 months <br />, power was reduced to 77% of RTP for control rod pattem adjustments and rod overtravel teating. Power was restored to 100% RTP on September 17, at 0549 hours0.00635 days <br />0.153 hours <br />9.077381e-4 weeks <br />2.088945e-4 months <br />.

- On September 20,1997 at 2041 hours0.0236 days <br />0.567 hours <br />0.00337 weeks <br />7.766005e-4 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 2143 hours0.0248 days <br />0.595 hours <br />0.00354 weeks <br />8.154115e-4 months <br />.

On September 27,1997 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 2340 hours0.0271 days <br />0.65 hours <br />0.00387 weeks <br />8.9037e-4 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 September.

F

AVERAGE DAILY POWER LEVEL OocKET NO.90-352 UNIT LIMERICKUNIT1 DATE OCTOBER 15.1997 COMPANY PECO ENERGYCOMPANY P. A. HINCHEY REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610)718-3797 MONTH SEPTEMBER,1997 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWE-NET)

(MWE-NET) 1 1088 17 1092 2

1066 18 1095 3

1090 19 IN 4

1103 20 1091 5

1099 21 1108 I

6 1099 22 1103 7

1091 23 1103 8

1095 24 1107 9

1091 25 1111 10 1090 26 1099 11 1082 27 1099 12 1095 28 1103 13 628 29 1095 14 914 30 1100 15 1090 16 1054 x

OPERATING DATA REPORT DOCKET NO. 50-352 DATE OCTOBER 15,1997 COMPLETED BY PECO ENERGY COMPANY P. A. HINCHEY REPORTS 5NGINEER SITE ENGit!EERING LIMERICK GENERATING STATION TELEPHONE (610) 718-3797 OPERATING STATUS

1. UNIT NAME:

UM.ERICK UNIT 1 NOTES: THERE WERE TWO LOAD DROPS

2. REPORTING PERIOD:

., SEPTEMBER,1997 GREATER THAN 20% THIS MONTI!

3 LICENSED THERMAL POWER (MWT):

_3458 DUE TO PLANNED ROD PATTERN 4 NAMEPLATE RATING (GROSS MWE):

1160 ADJUSTMENTS.

5. DESIGN ELECTRICAL RATING (NET MWE):

1105

6. MAX 1 MUM DEPENDABLE CAPACITY (GROSS MWE):

1145

7. MAXIMUM DEPENDABLE CAPACITY (NET MWE):

1105 8 IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 THROUGH 7 ) SINCE LAST REPORT, GIVE REASONS:

9. POWER LEVEL TO WHICH HESTRICTED,IF ANY (NET MWE):

)

10. REASONS FOR RESTRICTIONS,IF ANY:

THIS MONTH YR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD 720 6,551 102,239
12. NUMBER OF HOURS REACTOR WAS CRITICAL 720 0 6,450 0 86,577.4 13 REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0 14 HOURS GENERATOR ON-LINE 720.0 6,325 0 85,065.0
15. UNIT RESERVE SHUTDOWN HOURS 00 00 0.0 16 GROSS THERMAL ENERGY GENERATED (MWH) 2,437,596 21,562744 267,316,907

' GROSS ELECTRICAL ENERGY GENERATED (MWH) 800,000 7,104,500 87,176,280

18. NET ELECTRICAL ENERGY GENERATED (MWH) 772,669 6,866,681 83.799,778 PAGE 10F 2

o OPERATING DATA REPORT (CONTINUED)

DOCKET NO.

50 352 DATE OCTOBER 15,19h7 THIS MONTH YR.TO-DATE CUMULATIVF

19. UNIT SERVICE FACTOR 100.0 %

96.6 %

83 2 %

20. UNIT AVAILABILITY FACTOR 100 0 %

96.6 %

83 2 %

21. UNIT CAPACITY FACTOR (USING MDC NET) 97.1 %

94 9 %

77.1 %

22. UNIT CAPACITY FACTOR (USING DER NET) 97.1 %

94 9 %

77.1 %

23. UNIT FORCED OUTAGE RATE

.0 %

.0 %

3.9 %

24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE, DATE AND DURATION OF EACH):

NONE l

25. IF SHUTDOWN AT TlfE END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:

N/A q

26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATIONS):

FORECAST ACHIEVED INITIAL CRITICALITY 12/19/84 12/22/B4 INIT!AL ELECTRICIT*

MID APRIL 85 0413B5 COMMERCIAL OPERATION IST QTR 86 02/01/06 PAGE 2 OF 2 t

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-352 UNIT NAME LIMERICK UNIT 1 DATE OCTOBER 15,1997 COMPLETED BY PECO ENERGY COMPANY P. A. HINCHEY REPORTS ENGINEER SITE ENGINEERING UMERICK GENERATING STATION REPORT MONTH SEPTEMBER.1997 TELEPHONE (610)718-3797 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)

REPORTW (4)

(5)

PRE'KNT RECURRENCE 215 970907 S

B 4

HB VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO tAIN TURBINE VALVE TESTING.

216 973913 S

B 4

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

l 217 970913 S

B 4

RB CONROD REACTOR POWER WAS REDUCED TO 50% DUE TO ROD PATTERN ADJUSTMENTS 218 970916 S

B 4

RB CONROD REACTOR POWER WAS REDUCED TO 77% DUE TO ROD PATTERN ADJUSTMENTS AND ROD OVERTRAVEL TESTING.

219 970920 S

B 4

HB VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

220 970927 S

B 4

HB VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

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 - REFUELING 3-AUTOMATIC SCRAM EVENT REPORT (LER)

D - REGULATORY RESTRICTION 4 - OTHER (EXPLAIN)

FILE (NUREG-0161)

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

G - OPERATIONAL ERROR (EXPLAIN)

EXHIBIT I-SAME SOURCE H - OTHER (EXPLAIN)

E a

. Docktt No. 50-353 Att: chm ^nt to Monthly Operating Report for September 1997 Limerick Generating Station Unit 2 September 1 through September 30,1997 l.

Narrative Summary of Operatina Exoeriences Unit 2 began the month of September 1997 at 100% rated thermal power (RTP).

On September 6,1997 at 2219 hours0.0257 days <br />0.616 hours <br />0.00367 weeks <br />8.443295e-4 months <br />, power was reduced to 88% of RTP for control rod pattem adjustment and main turbine valve testing. Power was restored to 100%

RTP on September 7, at 0039 hours4.513889e-4 days <br />0.0108 hours <br />6.448413e-5 weeks <br />1.48395e-5 months <br />.

On September 14,1997 at 0400 hours0.00463 days <br />0.111 hours <br />6.613757e-4 weeks <br />1.522e-4 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Power was restored to 100% RTP at 0437 hours0.00506 days <br />0.121 hours <br />7.225529e-4 weeks <br />1.662785e-4 months <br />.

On September 20,- 1997 at 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br />, power was reduced to 98% of RTP for main turbine valve testing. Powerwas restored to 100% RTP at 2250 hours0.026 days <br />0.625 hours <br />0.00372 weeks <br />8.56125e-4 months <br />.

On September 25,1997 at 1711 hours0.0198 days <br />0.475 hours <br />0.00283 weeks <br />6.510355e-4 months <br />, power was reduced to 81% of RTP to repair scram pilot valves for control rod 34-03. Main turbine valve testing was performed September 27, at 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />. Power was restored to 100% RTP on September 28, at 0534 hours0.00618 days <br />0.148 hours <br />8.829365e-4 weeks <br />2.03187e-4 months <br />.

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

II.

C:Tallences to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of September.

1

-____.___A

AVERAGE DAILY POWER LEVEL ~-

~

DOCKET NO. : 50- 353 :.

UNIT UMERICKUNIT2 DATE OCTOBER 15,1997 COMPANY PECO ENERGY COMPANY.

, P. A. HINCHEY REPORTS ENGINEER L

SITE ENGINEERING

' UMERICK GENERATING STATION

' TELEPHONE (610)711L3797 MONTH SEPTEMBER,1997 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWE-NET)

- (MWE-NET) 1 1117 17 1122 2

1113 18 1118

-3 1122 19 1126 4

1130 20 1118 5

1130 21 1134 6

1121 22 1130 7-1121 23 1130 8

1121 24 1133 9

1125 25 1127 10

-1121 26 926 I

11 1116 27 1017 12 1124 28 1122 13.

1121 29 1125 14 1122 30-1125 15 1126 16 1121 I

.c

~..

OPERATING DATA REPORT '

DOCKET NO. : 50-353 DATE OCTOBER 15,1997 COMPLETED BY PECO ENERGY COMPANY P.A.Hif4 HEY REPORTS ENGINEER Sl;E ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610)718-3797 OPERATING STATUS

1. UNIT NAME:

...L. I.MER....ICK....U..N... IT._2

2. REPORTING PERIOD:

_ _ SEPTEMBER,1997 GREATER THAN 20% THIS MONTH.

3458

3. LICENSED THERMAL POWER (MWT):,._., _.
4. NAMEPLATE RATING (GROSS MWE):, _. _ _ _ _. _

1163

5. DESIGN ELECTRICAL RATING (NET MWE):

1115

6. MAX 1 MUM DEPENDABLE CAPACITY (GROSS MWE):

1155

7. MAXIMUM DEPENDABLE CAPACITY (NET MWE):

1115

8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 THROUGH 7 ) SINCE LAST REPORT, GIVE REASONS:

i

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

THIS MONTH YR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD 720 6.551 67.151
12. NUMBER OF HOURS REACTOR WAS CRITICAL 720 0 5.910.8 61,938.0
13. REACTOR RESERVE SHUTDOWN HOUR $

0.0 00 0.0 '

14 HOURS GENERATOR ON-LiNE 720.0 5.647.6 80,586.7

,15 UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (MWH) 2,462,273 18,253,457 194,678,201
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 828.100 6.062.000 64,452,880
18. NET ELECTRICAL ENERGY GENERATED (MWH) 801.612 5,854.219 62,158.950 PAG 811 OF 2

.(

x

' OPERATING DATA REPORT (CONTINUED) '

, DOCKET NC.

50 -353 DATE ' OCTOBER 15,1997 THIS MONTH YR.TCM) ATE CUMULATNE
19. UNIT SERVICE FACTOR 100.0 %

86 2 %

89.4 %

20. UNIT AVAILABILITY FACTOR 100.0 %.

86.2 %

89.4 %.

7 l

l

21. UNIT CAPACITY FACTOR (USCJG MDC NET) 99.9 % '.

80.1 %.

85 2 %

22. UNIT CAPACITY FACTOR (USING DER NET) 99.9 %

' 80.1 %

' 85.2 %

23. UNIT FORCED OUTAGE RATF

.0 % -

2.3 %

3.4 %

24. SHUTDOWNS SCHEDULED OVER THE NEX's 6 MONTHS (TYPE. DATE AND DURATION OF EACH):

NONE

25. IF SHUTDOWN AT THE END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP; N/A
26. UNITS lis TEST STANS (PRIOR TO COMMERCIAL OPERATIONS):

FORECAST ACHIEVED 1

INITIAL CRITICAUTY 08/12/89 08/12/89 I

l INITIAL ELECTRICITY OWD1/89 OWO1/89 COMMERCIAL OPERATION 02/01190 01mW PAGE 2 OF 2

a4 UNIT SHUTDOWNS AND POVER REDUCTCWS DOCKETNO. 50-353 UNIT NAMe UMERICKLWIT2 DATE OCTOBER 15,1997 COMPLITED BY PECO ENERGY COMPANY P. A.HINCHEY REPORTS ENG8NEER StTE ENGINEERING UMERICK GENERATING STATION REPORT MONTH SEPTEMBER,1997 TELEPHONE (610)718-3797 METHOD OF UCENSEE SYSTEM COMPONENT CAUSE AND CORRECTIVE TYPE DURATION REASON SHUTTING DOWN EVENT CODE CODE ACTION TO NO.

DATE (1)

' h0VRS)

(2)

REACTOR (3)

REPORT #

(4)

(5)

PREVENT RECURRENCE 199 970906 8

4 RB CONROD REACTOR POWER WAS REDUCED TO 88% DUE TO ROD PATTERN ADJUSTMENT 200 970906 S

B 4

HB VALVEX REACTOR POWER WAS REDUCED TO 88% DUE TO MA!N TURBtNE VALVE TESTING _

201 970914 S

8 4

HB VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

202 970920 S

B 4

HB VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBNE VALVE TESTthG 203 970925 S

A 4

RB VALVOP REACTOR POWER WAS REDUCED TO 81% DUE TO SCRAM PILOT VALVE REPLACEMENT FOR ROD 3443 204 970927 S

8 4

MB VALE X REACTOR POWER WAS HELD STEADY AT 9e% DUE TO MAIN TURBtNE VALVE TESTING.

TOTAL HOURS (1)

(2)

(3)

(4)

F-FORCED REASON METHOD EXHIBIT G-INSTRUCTIONS 1 - MANUAL FOR PREPARATION OF DATA S - SCHEDULED A -EQUIPMENT FA! LURE (EXPLAIN)

ENTRY SHEETS FOR UCENSEE B - MA!NTENANCE OR TEST 2-MANUAL SCRAM 3-AUTOMATIC SCRAM EVENT REPORT (LER)

C-REFUEUNG D - REGULATORY RESTRICTION 4-OTHER (EXPLAIN)

FILE (NUREG4151)

E - OPERATOR TRAfN!NG + UCENSE EXAMINATION (5)

F - ADMINISTRATtVE EXHfBtT I-SAME SOURCE G-OPERATIONAL ERROR (EXPLAIN)

H - OTHER (EXPLAIN) a

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