ML20154H569
| ML20154H569 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 09/30/1998 |
| From: | Grimes J, Hinchey P PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9810140251 | |
| Download: ML20154H569 (7) | |
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l Lirnerick Generating Station
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PECO NUCLEAR n:co s. c-,
PO Box 2300 A, Unit of PECO Energy Sanatoga, PA 19464-0920 l
T.S.6.9.1.6 l
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October 12,1998 Docket Nos. 50-352 50-353 l
License Nos. NPF-39 i
NPF-85 i
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 September 1998 forwarded pursuant to Technical Specification 6.9.1.6.
Very truly yours, Jos h P. Grimes Director-Site Engineering l
Pah l
l Enclosures l l cc:
H. J. Miller, Administrator, Region I, USNRC A. L. Burritt, USNRC Senior Resident Inspector LGS J. D. von Suskil, Vice President, LGS
%bp G. H. Stewart, LGS Experience Assessment Branch, SSB2-4 S. A. Auve, LGS ISEG Branch, SSB4-2 i
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I Docket No. 50-352
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Attachment to Monthly'
- a Operating Report for September 1998
-i Limerick Generating Station Unit i September 1 through September 30,1998 1.
Narrative Summary of Ooeratina Experiences 1
Unit 1 began the month of September 1998 at 100% of rated thermal power (RTP).
l l
i On September 19, 1998 at 0208 hours0.00241 days <br />0.0578 hours <br />3.439153e-4 weeks <br />7.9144e-5 months <br />, power was reduced to 60% of RTP for a control rod pattem adjustment, scram time testing, rod stroke, and balance of plant maintenance. Powerwas restored to 100% of RTP on September 20,1998 at 1200 hours0.0139 days <br />0.333 hours <br />0.00198 weeks <br />4.566e-4 months <br />.
On September 21,1998 at 2258 hours0.0261 days <br />0.627 hours <br />0.00373 weeks <br />8.59169e-4 months <br />, power was reduced to 90% of RTP for a control rod pattem adjustment. Power was restored to 100% of RTP on September 22,1998 at 0144 hours0.00167 days <br />0.04 hours <br />2.380952e-4 weeks <br />5.4792e-5 months <br />.
On September 23,1998 at 1502 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.71511e-4 months <br />, power was reduced to 99% of RTP due to main turbine vibration. Power was restored to 100% of RTP on September 24,1998 at '
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0028 hours3.240741e-4 days <br />0.00778 hours <br />4.62963e-5 weeks <br />1.0654e-5 months <br />.
On September 27,1998 at 0159 hours0.00184 days <br />0.0442 hours <br />2.628968e-4 weeks <br />6.04995e-5 months <br />, power was reduced to 65% of RTP for a control rod pattem adjustment. Power was restored to 100% of RTP at 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br />.
Unit 1 ended this month at 100 % RTP.
lI.
Challenoes to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of
- September. There have been no challenges to the Main Steam Safety Relief Valves I
year-to-date.
~ _ - - _ _ - - _ - _ _- _ - _ - - _ _ -. _ - _ __. ___ --_. - - - -
OPERATING DATA REPORT DOCKET NO. 50- 352 DATE OCTOBER 9,1998 COMPLETED BY PECO ENERGY COMPANY P. A. HINCHEY REPORTS ENGINEER SITE ENGINEERING
- LIMERICK GENERATING STATION
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TELEPHONE (610) 7184797 OPERATING STATUS
- 1. UNIT NAME:
LIMERICK UNIT 1
- 2. REPORTING PERIOD:
SEPTEMBER,1998,
- 3. DESIGN ELECTRICAL RATING (NET MWE):
1134
- 4. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE):
1174
- 5. MAXIMUM DEPENDABLE CAPACITY (NET MWE):
1134 THIS MONTH YR-TCM) ATE CUMULATIVE i
- 6. NUMBER OF HOURS REACTOR WAS CRITICAL 720.0 5,319.4 94,105.8
- 7. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
- 8. HOURS GENERATOR ON-LINE 720.0 5,135.8 92,429.8
- 9. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
- 10. NET ELECTRICAL ENERGY GENERATED (MWH) 802,858 5.376,159 91,538,737 i
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UNIT SHUTDOWNS i
DOCKCT N3. 50-352 UNITMWE UMERICKUNIT1 DATE OCTOBER 9.1996 i
. COMPLETED BY PECO ENERGY COMPANY P. A.HINCHEY REPORTS ENGINEER SITE ENGINEERING ~
UMERICKGENERATING STATION REPORT MONTH SEPTEMBER,1998 TELEPHONE (610)7163797 METHOD OF CAUSE AND CORRECTNE TYPE DURATION REASON SHUTTING DOWN ACTION TO NO.
DATE (1)
(HOURS)
(2)
REACTOR (3)
- PREVENT RECURRENCE 305 980919 S
H 4
REACTOR POWER WAS REDUCED TO 80% DUE TO CONTROL ROD PATTERN ADJUSTMENT, SCRAM TIME TESTING, ROD STROKE AND BOP MAINT 306 980921 S
H 4
REACTOR POWER WAS REDUCED TO 90% DUE TO ROD PATTERN ADJUSTMENT.
307 900923 F
H 4
REACTOR POWER WAS REDUCED TO 99% DUE TO TURBINE GENERATOR ALTEREX BEARING HIGH VfBRATION.
308 900927 S
H 4
REA6(UR POWER WAS REDUCED TO 85% DUE TO CONTROL I
ROD PATTERN ADJUF -l4ENT.
TOTAL HOURS 3
j (1)
(2)
(3)
F-FORCED REASON METHOD S -SCHEDULED A-EQUIPMENT FAILURE (EXPLAIN) 1 - MANUAL B -MAINTENANCE OR TEST 2-MANUAL SCRAM C - REFUEUNG 3-AUTOMATIC SCRAM l
D-REGULATORY RESTRICTION 4-OTHER (EXPLAIN)
E - OPERATOR TRAINING + UCENSE EXAMINATION F-ADMINISTRATNE G-OPERATIONAL ERROR (EXPLAIN)
- H - OTHER (EXPLAIN) r,
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Docket No. 50-353 Attachment to Monthly Operating Report for September 1998 Limerick Generating Station
- Unit 2 September 1 through September 30,1998 1.
Narrative Summary of Operatina Experiences Unit 2 began the month of September 1998 at 1000% rated thermal power (RTP).
i i
September 5,1998 at 2210 hours0.0256 days <br />0.614 hours <br />0.00365 weeks <br />8.40905e-4 months <br />, power was reduced to 87% of RTP for main turbine valve testing and rod pattern adjustment. Power was restored to 100% of RTP on September 6,1998 at 0223 hours0.00258 days <br />0.0619 hours <br />3.687169e-4 weeks <br />8.48515e-5 months <br />.
September 12,1998 at 1210 hours0.014 days <br />0.336 hours <br />0.002 weeks <br />4.60405e-4 months <br />, power was reduced to 95% of RTP for main turbine valva testing. Power was restored to 100% of RTP at 1522 hours0.0176 days <br />0.423 hours <br />0.00252 weeks <br />5.79121e-4 months <br />.
September 19,1998 at 2255 hours0.0261 days <br />0.626 hours <br />0.00373 weeks <br />8.580275e-4 months <br />, power was reduced to 96% of RTP for main turbine vt,1ve testing. Power was restored to 100% of RTP on September 20,1998 at 0110 nours.
September 26,' 1998 at 2300 hours0.0266 days <br />0.639 hours <br />0.0038 weeks <br />8.7515e-4 months <br />, power was reduced to 95% of RTP for main turbine valve testing. Power was restored to 100% of RTP on September 27,1998 at 0005 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />.
Unit 2 ended this month at 100% of RTP.
1 II.
Challenoes to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of September. There have been no challenges to the Main Steam Safety Relief Valves year-to-date.
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1 OPERATING DATA REPORT
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DOCMET NO. 353 '
DATE OCTOBER 9,1908
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COMPLETED BY PECO ENERGY COMPANY P. A. HMCHEY -
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REPORTS ENGINEER l- --
SITE ENGINEERING LNERICK GENERATING STATION.
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. TELEPHONE (610)718-3797 i
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L OPERATING STATUS
- 1. UNIT NAME.
LIMERICK UNIT 2
- 2. REPORTING PERIOD:
SEPTEMBERd998, T
- 3. DESIGN ELECTRICAL RATING (NET MWE):
1115
- 4. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE):
1155
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- 1115, l
- 5. MAXIMUM DEPENDABLE CAPACITY (NET MWE):
s i
4 THIS MONTH YR-TOOATE CUMULATIVE
+
- 6. NUMBER OF HOURS REACTOR WAS CRITICAL 720.0 6,193.3 70,340.3
[
- 7. REACTOR RESERVE SHUTDOWN HOURS 0.0 -
0.0 0.0
- 6. ItOURS GENERATOR ON-LINE 720.0 6,138.4 68,934.1
- 9. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
- 10. NET ELECTRICAL ENERGY GENERATED (MWH) 805,915 6.785,882 71,397,083 r
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^ UNIT SHUTDOWNS 4
DOCMETNO. 50-363 UNIT NAME LNERICK UNIT 2 -
DATE OCTOBER 9,1998 OMPLETCO BY PECO ENERGY COMPANY P. A.HINCHEY
- REPORTS ENGINEER SITE ENGINEERING LIMERICKGENERATING STATION REPORT MONTH
' SEPTEMBER 1998 TELEPHONE (810)711h3797 METHOD OF CAUSE AND CORRECTNE TYPE DURATION REASON SHUTTING DOWN ACTION TO NO.
DATE (1)-
(HOURS)
(2)
REACTOR (3)
PREVENT RECURRENCE 324.
980005 S
B 4
REACTOR POWER WAS REDUCED TO 87% DUE TO MAIN TURBINE VALVE TESTING AND CONTROL ROD PATTERN '
ADJUSTMENT.
325 900912 S
B 4 ~
REACTOR POWER WAS REDUCED TO 95% DUE TO MAIN TUR81NE VALVE TESTING.
326 ~
900919 S
B 4
REACTOR POWER WAS REDUCED TO 90% DUE TO MAIN TUR91NE VALVE TESTING.
327 980926 S
B
-4 REACTOR POWER WAS REDUCED TO 95% DUE TO MAIN TURBINE VALVE TESTING.
TOTAL HOURS (1)
(2)
(3)
F-FORCED REASON RETHOD S-SCHEDULED A-EQUIPMENT FAILURE (EXPLAIN) 1 - MANUAL B-MAINTENANCE OR TEST 2-MANUAL SCRAM C-REFUELING 3-AUTOMATIC SCRAM
. D-REGtM.ATORY RESTRICTION
~ 4-OTHER(EXPLAIN)
E - OPERATOR TRAINING + LICENSE EXAMINATION F-ADMINISTRATNE
" G-OPERATIONAL ERROR (EXPLAIN)
H -OTHER (EXPLAIN)