ML20064B318
ML20064B318 | |
Person / Time | |
---|---|
Site: | Limerick |
Issue date: | 09/30/1990 |
From: | Leitch G, Meck K PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
References | |
NUDOCS 9010160108 | |
Download: ML20064B318 (11) | |
Text
~
. , 3906037860 T.S.6.9.1.6 l
PHILADELPHIA ELECTRIC COMPANY l L,lMERICK GENER ATING ST ATION P. O. DOX A S AN ATOG A, PENNSYLV ANI A 19444 l (216) 3271200, EXT. 3000 Oft AH AM M. LEITCH vi.. ........,
October 5, 1990 !
6.......................
50-353 License Nos. NPF-39 NPF-85 j r
, U. S. Nuclear Regulatory Commission '
Document Control Desk Attnt Washington, DC 20555 i
'I
Subject:
Limerick Generating Station Monthly Operating Report For i Units 1 and 2 i
Enclosed are the monthly operating reports for Limerick Units :
1 and 2 for the month of September, 1990 forwarded pursuant to Technical Specification 6.9.1.6.
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Very tr ly urs, I
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4 Enclosure i i
cci T. T. Martin, Administrator, Region I, USNRC T. J. Kenny, USNRC Senior Resident Inspector I
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9010160108 yovywe !
PDR ADOCK 05000332 .. i R PDC / '
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39060378601, l
Dookst No. #60 362 )
Attachment to MontNy .;
Operating Report for l September 1990
[ UMERICK OENERATING STATION - l UNn i J SEPTEMBER 1 THROUGH SEPTEMBER 30,1990 l l l
- - 1. NARRATIVE
SUMMARY
OF OPERATING EXPERIENCES l Limerick Unt 1 began the month of September at a nominal 100% of rated thermal power, l
- On September 7, at approximately 1830 hours0.0212 days <br />0.508 hours <br />0.00303 weeks <br />6.96315e-4 months <br />, a reactor power decrease was begun. The reactor
- was manually scrammed at 2221 hours0.0257 days <br />0.617 hours <br />0.00367 weeks <br />8.450905e-4 months <br />, from approximately 32% power, to the third refueling !
outage Operational Condition (OPCON) 4 was entered on September 8 and 6was entered ,
on SepteW2er 13. ON September 24, OPCON 5* was entered and the first fuel bundle was !
offloaded from the core. Limerick Unit 1 ended the month of September in OPCON 6* with .
, approximately one-quarter of the core off-loaded, in day 23 of a scheduled 75 day refueling outage, j Note: OPCON 5* equates to fuel movement. t Operational events that occurred during the month of September included: -)
- On September 16, D13 Diesel Generator (D/G) was run for its LOCA4.OOP test. As part .i of the LOOP testing, the diesel was started on a bus under voltage signal. It automatloally !
closed onto the bus and loaded, however, a bus voltage of greater than 5.7 kV was noted. !
Following voltage verification, the diesel was secured. The D13 sieguard bus and .
associated loads were declared inoperable. D13 safeguard bus and assochied loads were - _l' declared operable following various testing and receipt of an engineering evaluation on -
September 18. Following 013 D/G voltage regulator troubleshooting , repair of a suspect l rectifier selector switch, and replacement of a shutdown relay, a test run was successfully
- performod on September 19. The LOCA/ LOOP test was next performed, resulting in a bus t, over voltage condition similar to the 9/15 event. The diesel was run several times during ;
the following week for System Engineer and vendor troubleshooting of the voltage regulator, ,
The D13 D/G was run satisfactorNy on September 28. The diesel was then started on - t September 29 for performance of the LOCA-LOOP test. With the #1 rectifer bar* selected, -l a bus over voltage condition occurred and the diesel was shutdown. The diesel was -
restarted using the #2 rectifier bank and the LOCA-LOOP testing was completed i antisfactorly, The D13 D/G was declared operable on September 30. ;
II. CHAT i FNGES TO THE MA!N STEAM SAFETY RELIEF VALVES l
There were no challenges to the Main Steam Safety Relief Valves during the month of September.
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39060U860 DOCCET NO. 50 - 352 ..- -....
DATE OCTOBER 1.1990 - - -
COwPLETED Bv PHILADELPHIA ELECTRIC COwcANv kARL wECM REPORTS SUPERVISOR BUSINESS UNIT LIwERICK GENERATING STATION TELEPHONE (215) 327-1200 EXTENSION 3370 ---
OPERATING STATUS __
l NOTES: NO LO40 REDUCTIONS GREATER l 1 UNIT NAME: LIwERICM UNIT T l
_ _ ... - ----- ____......_. l i THAN 20% CRIOR TO WANUA., t
- 2. REPORTING PERIOD: SEPTEwSER. 1990 g 3293 i SCRAw TO START 3RD REFUEL l
- 3. LICENSED THERwAL POWER (wwT): -- __ . g ;
1130 OUTAGE. l 4 NAMEPLATE RATING (GROSS wwE): _... ___._.. _.
1 g
g 1055 I.
1
- 5. DESIGN ELECTRICAL RATING (NET wwE): ..._ .._. ; g i i
- 6. wax!wUw DEPENDABLE CADACITY (GROSS wwE): 1092 g l
1055 i I 7 max!wUw DEPENDABLE CADACITY (NET wwE):
- 8. IF CHANGES OCCUR IN CAPACITV RATINGS (ITEMS NUwSER 3 THOOUGH 7) SINCE LAST REPORT. GIVE REASONS:
- 9. DOWER LEVEL TO wHICH RESTRICTED. Is Aw fNET wwEl.
- 10. REASONS FOR RESTRICTIONS. IF ANv:
THIS woNTH VR-TO-DATE CUsutATIVE 11 HO'JRS IN REPORTING PERIOD 720 6.551 40.871
- 12. NUABER Or HOURS REACTOR WAS CRITICAL 166.3. 5.510.2 32.639.0
- 13. REACTOR RESEpvE SHUTDOWN HOURS 0.0 0.0 0.0 14 '40URS GENERATOR 04-LINE 166.3 5.373.6 32.045.4
- 15. UNIT RESERVE SHUTDOWN HOURS 0.0 0. 0 - 0.0
- 16. GROSS THERMAL ENERGv GENERATED (www) 540.343 77.270.679 95.134.113
- 17. GDOSS ELECTRICAL ENERGY GENERATED (www) 173.910 5.555.990 30.742.560
- 18. NET ELECTRICAL ENERGv GENERATED (www) 164.701 5.339.695 2?.396.091 DAGE 1~O*-2 ac , , , . . . , - . , - - - ,,, , . . . . .
-g i
. DOCKET N0.7 . , 50 - 354 b ~ ; . . . . . ,,,
OPER3 TING DATA REPORT (CONTINUE 3) 3906037860}
~
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.L.L DATE OCTOBER 1.1990 -
_~
..=--
THIS MONTM VR-TO-DATE CUWULATIVE 23.1- 87.0 - 78.4
- 19. UMIT SERV!CE FACTOR' . .-- ---- --
23.* 82.0 78.4
- 20. UNIT AVAILASILITY FACTOR __
21.7. 77.3 ^ 68.2 21 UNIT' CAPACITY F ACT OR (USING MDC NET) ....._....-- _. -
-_= -
21.7 77.3 68.2-
- 22. UNIT CAPACITY FACTOR (USING DER NET) - .._.
O.0 3.6 3.0 .
- 23. UNIT FORCED OUTAGE RATE . . . . . . . _ . -_.- -. ...____ ....
2A. SHUTDOwwS' SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE. AND DURATION OF EACH)-
REFUELING OUTAGE: SEPTEmeEn 07.1990: 75 Days _
- 25. IF SHUTD0mN AT END OF REPORT PERIOD. ESTIMATED DATE 08 STARTUP:
FORECAST ACHIEVED.
- 26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):
INITIAL CRITICALITV 12/19/8A 12/22/8A INITIAL ELECTRICITY WID APRIL 95 4/13/95 COMMERCIAL OPERATrow 1ST OTR 96 2'01/90'
- PAGE'2.0F'.2- -
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UNIT SHUTDOWN 3 TND POWE!? REDUCTIONS DOCMET NO. 50 - 352 __
UNIT NAME LINERIC UNIT.I DATE OCTOBE2 1.1990 REPORT MONTH SEPTEMBER. 1990 COMPLETED SW PHILADELPHIA ELECTRIC CO ANY MARL MECR REPORTS SUPERVISO4
.USINESS .I1 LINERICM GENERATING STATION 3906037860 TELEPHONE (215)-327-1200 EXTENSION 3320 I ! l l l NETHOD OF l LICENSEE lSYSTEwlCOmpONENTI CAUSE AND CORRECTIVE lTYPElDURATIONIREASONISHUTTING DOWNl EVENT l CODE l CODE l ACTION TO I
NO.I DATE 1 (1)! (HOURS)l -(2) i REACTOR (3) l REPORT a I (4) I (5) ! PREVENT RECURRENCE
. _- =_.--------------------------
35 l 900907 i S l 553.7 I C l 2 ) N/A 1 ZZ l ZZZZZZ l LOAD WAS REDUCED 68% FOLLOwED BY A l l I I l l l l WANUAL SCRAW TO BEGIN THE THIRD l
I l i l 1 l 8 REFUELING OUTAGE.
f l 1 I i - --- l l l l l l 1 1 1 553.7 I I i l I l L (2) (3) (4)
(1)
= - FORCED R E A SOe. wETWD EXHIBIT G- INSTRUCTIONS A - EOUIPMENT FAILURE tEkPLAIN)
-' WANUAL . FO# PREPARATION 08 DATA S- SCHEDULED ENTRY SHEETS FOR LICENSEE e - MAINTENANCE OR TEST 2 - WANUAL SCRAM.
C - REFUELING 3 - AUTOMATIC SCRAW. EVENT REPORT-(LER)
D - REGULATORV RESTRICTION 4 - OTHER (EMPLAIN) FILE (NUREG-0161)
E - OPERATOR TRAINING
- LICENSE ENAMINATION F - ADMINISTRATIVE (5)
G - OPERATIONAL ERROR (EXPLAIN)
H - OTHER(EMPLAIN) EXHIBIT I - SA*E SOURCE 4
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3906037860 1; r
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' Dookst No. #50 353 [
Attachment to Monthly i Operating Report for . l September 1990 l
r UMERICK GENERATING STATION UNIT 2 i SEPTEMBER 1 THROUGH SEPTEMBER 30,1990 j J.,
i
- 1. NARRATIVE
SUMMARY
OF OPERATING EXPERIENCES Limerick Unit 2 began the month of September at a nominal 98% of rated thermal power. On j September 1, reactor power was reduced to 00% to repair an Electrohydraulic Control (EHC) system i leak on #4 Main Turbine Control Valve. Retum to power was begun on September 2 and reactor -
power achieved 100% on Septomber 5 following completion of LPRM onlibrations. On ember '
8, reactor power was briefly reduced to 90% to perform Main Turbine Control Valve test . On September 10, at 0911 hours0.0105 days <br />0.253 hours <br />0.00151 weeks <br />3.466355e-4 months <br />, the reactor automatically scrammed due to a Nuolear Steam upply Shutoff System (NSSSS) Group l isolation signal created during survet:ance testing. . On September 13, at 1815 hours0.021 days <br />0.504 hours <br />0.003 weeks <br />6.906075e-4 months <br />, the reactor achieved criticailty, and the main turbine generator was synchronized .- j to the grid at 2112 hours0.0244 days <br />0.587 hours <br />0.00349 weeks <br />8.03616e-4 months <br /> on September 14. Power ascension was continued and the reactor ;
reached 100% power on September 16. On September 17, reactor power was briefly reduced to !
90% to perform a Control Rod Pattom adjustment. On September 20, reactor power was briefly !
reduced to 95% to perform a Control Rod Pattom adjustment. Umerick Unit 2 ended the month of September at a nominal 100% of rated thermal power, ,
Operational events that occurred during the month of September included: '
i On September 10, a full NSSSS Group 1 MSIV isolation occurred due to an instrument !
failure. This occurred when a plant operator was reading the Turbine Enclosure Steam !
Tunnel Temperature D!V 4 switches in the Auxiliary Equipment Room, concurrent with l&C ?
testing of the NSSSS Main Steam line DIV 1 temperature instrumentation. Following the ;
MSIV isolation, the reactor scrammed with the reactor vessel leve' 'xreasing to 48' and . !
pressure rising to 1112 psig. HPCI and RCIC both started, but due to the short duration of I the initiation signal, only RCIC injected to the reactor vessel. HPCI was run in the full flow .
test mode. The 'N' SRV opened initially on the pressure spike and the K, M, H, S and E SRV's were cycled to contral reactor pressure. The plant entered OPCON 4 at 2209 hours0.0256 days <br />0.614 hours <br />0.00365 weeks <br />8.405245e-4 months <br />.
On September 11, l&C replaced the faulty temperature switch (TTS-025-216D) and satisfactorily performed a cal / functional test.
1
-1 i
- 11. CHAli FNGES TO MAIN S1EAM SAFETY RELIEF VALVES l
There was one challenge to the Main Steam Safety Relief valves during the month of September, i The 'N' SRV opened when reactor pressure rose to 1112 psig following a scram due to an inadvertent NSSSS Group 1 MSIV isolation. This pressure is within the allowable setpoint range per I Technical Specifications. See Operational Events section above for details.
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OPE 20 TING DATA LEPORT 3906037840? m . -- - -:
DOCMET NO. 50 - 353 --- ---
DATE OCTOBER 1.1990 - --______ ,
COMPLETED BV PHILADELPHIA- _ELECTRIC .
COMPANY MARL WECK REPORTS SUPERVISOR BUSINESS UNIT LIwERICE GENERATING STATION TELEPHONE (215) 32T-1200 EXTENSION 3320 - _ -
OPERATING STATUS ---------
l NOTES: THERE WAS ONE LOAD REDUCTION I 1 UNIT NAME: LIMERICK UNIT 2 i
._______..____.____________________ g I GREATER THAN 20% PRIOR TO AN l
- 2. REPORTING PERIOD: SEPTEwSER. 1990 _ ____ g 3293 l AUTO SCRAW FROM 100%. l
- 3. LICENSED THERwAL POWER (wwT): ..______________ g 113e l~
4 NAMEPLATE RATING (GROSS wwE): _______________
i
.g 1055 l'
- 5. DESIGN ELECTRICAL RATING (NET wwE): ______ __ g l 1 l'
- 6. MAXIMUM DEPENDABLE CAPACITY (GROSS MwE): __.. 1097 l l
i 7 MAXIMUU DEPENDABLE CAPACITY (NET WWE): 1055 I - .
- 8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS NUMBER 3 THROUGH 7) SINCE LAST REPORT. GIVE REASONS:
- 9. DOwE# LEVEL TO WHICH RESTRICTED. IF ANV (NET WWE):
- 10. REASONS FOR RESTRICTIONS. IF ANr.
THIS MONTH VR-TO-DATE' CumutATIVE T2O 6.383 6.363.
11 HOURS IN REPORTING PERIOD ___-___
- 12. NUMBER OF M9URS REACTOR WAS CRIT 1 CAL 638.9- 5.350.3' .
5.350.3 0.0 0.0 0.0
. 13. REACTOR RESERVE SHUTDOWN HOURS _________... ..__ .______ -- -__-
612.0 5.061.7 5.061.7 -
14 HOURS GENERATOR ON-LINE ___________. _______ .- - - - - ---
. 15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
- 16. GROSS THERNAL ENERGV GENERATED /* W ) . 1.917.766 16.053.183 16.053.183 17 GROSS ELECTRICAL ENERGV GENERATED (NwH) 633.900 5.291.016 '5.291.016
- 18. NET ELECTRICAL ENERGv GENERATED (#wH) 600.471 5.095.255 5.085.255 PAGE-1 OF 2 e
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DOCRE T NO. , 50 - - JM OPEOGTING DATd f.EPORT (CONTINt*ED) 3906037860' DATE OCTOBER 1.1990 ---
THIS WONTH VR-TO-DATE CU#ULATIVE 85.0 79.3 79.3
- 19. UNIT SERVICE FACTOR ....__._-_.. - - _ - _ - _.-
85.0 79.3 79.3
- 20. UNIT AVAILABILITV FACTOR _ _ _ . _ _ -
80.1 75.5 75.5
- 21. UNIT CAPACITY FACTOR (USING MDC NET) __.._..... _ _
80.1 's . 5 75.5
- 22. UNIT CAPACITv FACTOR (USING DER NET) -_
15.0 12.8 12.8
- 23. UNIT FORCED OUTAGE RATE ___ .._- -- ._ _ ______ ___ .. --
24 SHUTDOWNS SCHEDULED OVER NEXT 6 wueYHS (TvPE. DATE. AND DURATION 08 EACH):
- 25. IF SHUTDOWN AT END OF REPORT PERIOD. ESTIMATED DATE OF STARTUp:
FORECAST ACHIEVED
- 26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):
INITIAL CRITICALITV 08/12/89 08/12/89 INITIAL ELECTRICITv 09/01/89 09/01/89 COwwEDClat OPERATION 02/01/90 07/09/90 PAGE 2 05 2
-.:. - _. m- .=,.em .- . -- , e- = v u.- 4--u -
UNIT SHUTDOWN 3 END POWE3 REDUCTIONS DOCKET NO. 50 - 353 __ _ _ __
UNIT NAME LINERICt -- - _ . - - -UNIT Z -
DATE OCTO9E3 1.1990 -_--
__ _= ----= _ _
CO*PLETED By PHILADELPHIA ELECTRIC COMPANY REPORT MONTH SEPTEMBER. 1990 ---.---.. -- _ - ~ = -
MARL MECK REPORTS SUPERv!SoR SUSINESS UNIT 3906037860 LINERICK GENERATING STATION TELEPHONE (215) 327-1200 EXTENSION 3320 l 1 ;
i i WETHOD OF I LICENSEE ISYSTEMICO*PONENTI CODECAUSEI AND CORRECTIVE ACTION TO I lTVPE' DURATIONlREASONISHUTTING DOWN1 EVENT l CODE I
'NO.) DATE I (1). (HOURS)l (2) l REACTOR (3) l REPORT s ! ___-
(4) 1 _ __
(5) l PREVENT RECURRENCE -_ __ _-_
l' I I i 1 i i i 4 N/A 1 ZZ i ZZZZZZ l LOAD WAS REDUCEO 40% TO REPAIR AN EHC 24 $ 900901 i F ' C00.0 1 A l 1 l LEAM ON s4 MAIN TURBINE CONTROL VALVE.
l l l l l I i . I I !
L ZZ ll ZZZZZZ l LOAD WAS REDUCED 10% TO PERFORw MAIN N/A 25 I 900900 l 5 000.0 l F l 4 l l l 11 I TURBINE CONTROL VALVE TESTING.
l l l l I I I l I i I I 26 i 900910 l F I 108.0 l G l 3 l 2-90-015 l ZZ l ZZZZZZ l REACTOR AUTO #ATICALLv SCRAensED DUE TO 1 I I I i 1 1 I AN NS$55 GROUP 1 ISOtATION SIGNAL 1
i I I l 1 l CREATED DURING TEST PERFORMANCE.
! I I I i i I i ! I 27 l 900917 i S 000.0 l F 1 4 I N/A I ZZ l ZZZZZZ l LOAD WAS REDUCED 10% TO PERFORW CONTROL l l 1 1 I ROD PATTERN ADJUSTWENT.
1 i l 1 I I l I f f f f f 26 ! 900920 i S I 000.0 I F ! 4 i- N/A i ZI I ZZZZZZ l LOAD wAS REDUCED 5% TO PERFORF CONTROL i l i I i I ROD PATTERN ADJUSTWENT.
l l l l I l ---- 1 l 1 ! 108.0 l [ f f (
(2) .(3) (4)
(t) r - FORCED REASON WETHOD EXHIBIT G- INSTRUCTIONS A'- EOUIPMENT FAILURE (EMPLAIN) 1 - MANUAL FOR PREPARATION Or' DATA
. S - SCHEDtfLED ENTRY SHEETS FOR LICENSEE 8 - MAINTENANCE OR TEST 2 - MANUAL SCRAW.
C - PEFUELING 3 - AUTOWATIC SCRAM. EVENT REPORT (LER)
D - REGULATORY DESTRICTION 4 - OTHER (EXPLAIN) FILE (NUREG-0161)
, E - OPERATOR TRAINING
- LICENSE EXAMINATION F - ADw!NISTRAT!vE -(5)
G - OPERATIONAL ERROR (EXPLAIN)
H - OTHER(ERPLAIN) EmHIe!T I - SA#E SOURCE 8
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