ML19345B854: Difference between revisions
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k ' 'CONTRCL9 Loc <;l l I I 'l I (PLEASE PRINT OR TYTE ALL REQUl%ED INFoAMATloN) i l@ | k ' 'CONTRCL9 Loc <;l l I I 'l I (PLEASE PRINT OR TYTE ALL REQUl%ED INFoAMATloN) i l@ | ||
13111 I N I E I F I C'I S 11 !@{50 10 10 10 10 10 10 10 10 10 10 l@l4 7 4 # LICENSEE CCCE !4 LICENSE NLMdER ;$ ;6 L. CENSE TveE 40 U EAT H ccN*r lalil ""?;"c' l L @l 0'l 51010 IO l 21815 3 | 13111 I N I E I F I C'I S 11 !@{50 10 10 10 10 10 10 10 10 10 10 l@l4 7 4 # LICENSEE CCCE !4 LICENSE NLMdER ;$ ;6 L. CENSE TveE 40 U EAT H ccN*r lalil ""?;"c' l L @l 0'l 51010 IO l 21815 3 | ||
.u l@l1 | .u l@l1 1012 oENTCArt 171810 @l1 :4 , 11auCar 11 la CATE 18 10wl@ | ||
7 s u ei CCCxETNuusER EVENT DESCAIPTICN AND PAC 8ABLE CoNSECUENCES h . | 7 s u ei CCCxETNuusER EVENT DESCAIPTICN AND PAC 8ABLE CoNSECUENCES h . | ||
10 i 21 1 Durina cower operation while comoletino recairs en "C" charoino cumo. "A" charoino 1 i o 13 t I oump become inocerable. Technical Specification 2.2 was implemented and maintenance ! | 10 i 21 1 Durina cower operation while comoletino recairs en "C" charoino cumo. "A" charoino 1 i o 13 t I oump become inocerable. Technical Specification 2.2 was implemented and maintenance ! | ||
Line 30: | Line 29: | ||
FC 1 s l I mode of 00eration for 24 hours. | FC 1 s l I mode of 00eration for 24 hours. | ||
l l 0 l6 I l l C i 71 l I | l l 0 l6 I l l C i 71 l I | ||
tai 4i l SO SYSTEM CAUSE CALSE CCVP VALVE CCCE CCCE $U8CCCE CCVPCNENT CCCE sv8CCCE SuacCCE lC iil | tai 4i l SO SYSTEM CAUSE CALSE CCVP VALVE CCCE CCCE $U8CCCE CCVPCNENT CCCE sv8CCCE SuacCCE lC iil i E I C l@ I O l@ f_0J @ l E I 1 ! E I b I N ! 5 l@:dl k l@ l JJ2 l @ | ||
3 10 11 12 13 18 5 R EVi$iCN SE CUENTT AL CCCURRENCE mEPORT a EPCRT NC. CCCE TYPE NC. | |||
i E I C l@ I O l@ f_0J @ l E I 1 ! E I b I N ! 5 l@:dl k l@ l JJ2 l @ | |||
3 10 11 12 13 18 5 R EVi$iCN SE CUENTT AL CCCURRENCE mEPORT | |||
a EPCRT NC. CCCE TYPE NC. | |||
lea eC EV ENT Y E A R Oag;T 1s 10 I l-1 1012151 1-1 1013I It i I-I LQJ | lea eC EV ENT Y E A R Oag;T 1s 10 I l-1 1012151 1-1 1013I It i I-I LQJ | ||
,,,, 21 ;2 ;3 24 ;6 27 23 ;3 M 31 22 dCURS $8 i PCR b 6. 547 L E VANLPAC RER AK N ' AhCN C L NT ?ET luBl@l Zl@ la Zi@ lZ l@ 1010101Of l Yl@ lNi@ [42A l@ lu C l 219 l 5ul@ | ,,,, 21 ;2 ;3 24 ;6 27 23 ;3 M 31 22 dCURS $8 i PCR b 6. 547 L E VANLPAC RER AK N ' AhCN C L NT ?ET luBl@l Zl@ la Zi@ lZ l@ 1010101Of l Yl@ lNi@ [42A l@ lu C l 219 l 5ul@ | ||
Line 43: | Line 38: | ||
I l'isti I | I l'isti I | ||
liiall 30 7 3 9 | liiall 30 7 3 9 | ||
%PCWER CTWER STATU3 5C Y CISCCVERY CESCRIPTICN ST It isI (,1] @ l 91 71 5l@ l NA l lA l@l Ocerator Observation l ACTIVITY CC TENT AMCONT CF ACTtVITY | %PCWER CTWER STATU3 5C Y CISCCVERY CESCRIPTICN ST It isI (,1] @ l 91 71 5l@ l NA l lA l@l Ocerator Observation l ACTIVITY CC TENT AMCONT CF ACTtVITY LCCATICN CP RELEASE mELEA$ED P*ELEASE NA l l NA l l1 l6 l l Z l Ql@l PERSONNE EXPCS E3 NUVSER TV8E CESCRIPTICN i | ||
LCCATICN CP RELEASE mELEA$ED P*ELEASE NA l l NA l l1 l6 l l Z l Ql@l PERSONNE EXPCS E3 NUVSER TV8E CESCRIPTICN i | |||
. i m i t o i O l 0 Gi z i@i Na | . i m i t o i O l 0 Gi z i@i Na | ||
' #ERSCNNEL NJL IE3 NUV9ER CESORiPTICN i | ' #ERSCNNEL NJL IE3 NUV9ER CESORiPTICN i | ||
Line 57: | Line 50: | ||
8 012'O 2 0(ol(p | 8 012'O 2 0(ol(p | ||
s i LER~No. 80-025 | |||
s | |||
i LER~No. 80-025 | |||
~ 0mana Public Power. District Fort ~Calhoun Station Unit No.1 | ~ 0mana Public Power. District Fort ~Calhoun Station Unit No.1 | ||
, Docket No. 05000235 ATTACHMENT NO.1 Safety Analysis- , | , Docket No. 05000235 ATTACHMENT NO.1 Safety Analysis- , | ||
. ~ | . ~ | ||
.The' inservice inspection of the suction an'd relief valves of "C" i | .The' inservice inspection of the suction an'd relief valves of "C" i | ||
- charging pump was in progress on October'27, 1980. | - charging pump was in progress on October'27, 1980. | ||
At approximately 1630 on~10/27/80, charging pumo developed a small leak-in-a weld which connects a flushing line to t.*.e system. "A" ! | At approximately 1630 on~10/27/80, charging pumo developed a small leak-in-a weld which connects a flushing line to t.*.e system. "A" ! | ||
charging pump was removed from service for repair and the 24 nour time limit of TechnicalESpecification 2.2. was imple.eented. - | charging pump was removed from service for repair and the 24 nour time limit of TechnicalESpecification 2.2. was imple.eented. - | ||
Line 77: | Line 61: | ||
: pump was. returned 'to service at 2217 hours on October 27, 1980, within | : pump was. returned 'to service at 2217 hours on October 27, 1980, within | ||
: the 24 hour time limit of Technical Specification 2.2. | : the 24 hour time limit of Technical Specification 2.2. | ||
] | ] | ||
/1 | /1 T | ||
T | |||
I | I | ||
l ... | l ... | ||
l . | l . | ||
LER No. 80-025 Omaha Public Power District Fort Calhoun Station Unit No.1 Docket No. 05000285 l | LER No. 80-025 Omaha Public Power District Fort Calhoun Station Unit No.1 Docket No. 05000285 l | ||
ATTACHMENT NO. 2 l | ATTACHMENT NO. 2 l | ||
l l Corrective Action | l l Corrective Action | ||
! "A" charging pump. weld of the flush line was repaired by grinding i -out the old weld and rewelding using a certified procedure. The line l | ! "A" charging pump. weld of the flush line was repaired by grinding i -out the old weld and rewelding using a certified procedure. The line l | ||
was inspected and hydrostatically tested before returning to service. | was inspected and hydrostatically tested before returning to service. | ||
Pulsation ' dampeners were . installed on "B" and."C" charging pumps in l 1979. Weld fractures have not been a problem on the piping asscciated with these pumps since the modifications. A pulsation dampener was recently installed on "A" _ charging pump. Based on the performance of the other charging pumps with pulsation dacpeners installed, future problems of this type are not anticipated, j l }4l l | Pulsation ' dampeners were . installed on "B" and."C" charging pumps in l 1979. Weld fractures have not been a problem on the piping asscciated with these pumps since the modifications. A pulsation dampener was recently installed on "A" _ charging pump. Based on the performance of the other charging pumps with pulsation dacpeners installed, future problems of this type are not anticipated, j l }4l l | ||
I 6 | I 6 | ||
4 | 4 I | ||
I | |||
; | ; | ||
l i | l i | ||
I' | I' | ||
LER No. 80-015 Omaha Public Power District d | |||
LER No. 80-015 Omaha Public Power District | |||
d | |||
' Fort Calhoun Station Unit No.1~ | ' Fort Calhoun Station Unit No.1~ | ||
Docket No.- 05000285 i ATTACHMENT NO. 3 i Failure Data This is the fifth reportable failure of this type at Fort Calhoun | Docket No.- 05000285 i ATTACHMENT NO. 3 i Failure Data This is the fifth reportable failure of this type at Fort Calhoun i Station. Incidents that are-related to this failure .were previously documented on LER's 78-005, 78-006, 78-046 and 80-016, i | ||
i Station. Incidents that are-related to this failure .were previously documented on LER's 78-005, 78-006, 78-046 and 80-016, i | |||
i i * | i i * | ||
; - | ; - | ||
I i | I i | ||
4 i | 4 i | ||
t i | t i | ||
'l d | 'l d | ||
j | j s | ||
i 1 | |||
a k. | |||
k. | |||
4: | 4: | ||
? | ? | ||
j. | j. | ||
- m. + . , , .. - -, , - . . . . = - , . , - - . - , - , , . .,,-c..}} | - m. + . , , .. - -, , - . . . . = - , . , - - . - , - , , . .,,-c..}} |
Revision as of 05:50, 31 January 2020
ML19345B854 | |
Person / Time | |
---|---|
Site: | Fort Calhoun |
Issue date: | 11/14/1980 |
From: | Gates W, Mueller R OMAHA PUBLIC POWER DISTRICT |
To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
Shared Package | |
ML19345B845 | List: |
References | |
LER-80-025-03L, LER-80-25-3L, NUDOCS 8012020616 | |
Download: ML19345B854 (4) | |
Text
. . . . . . . - . . . . . - - - . . . . . . . . - . . . . . . .
NRC PCRM 044
' e7 771 LICENSEE EVENT REPORT
.c...-
k ' 'CONTRCL9 Loc <;l l I I 'l I (PLEASE PRINT OR TYTE ALL REQUl%ED INFoAMATloN) i l@
13111 I N I E I F I C'I S 11 !@{50 10 10 10 10 10 10 10 10 10 10 l@l4 7 4 # LICENSEE CCCE !4 LICENSE NLMdER ;$ ;6 L. CENSE TveE 40 U EAT H ccN*r lalil ""?;"c' l L @l 0'l 51010 IO l 21815 3
.u l@l1 1012 oENTCArt 171810 @l1 :4 , 11auCar 11 la CATE 18 10wl@
7 s u ei CCCxETNuusER EVENT DESCAIPTICN AND PAC 8ABLE CoNSECUENCES h .
10 i 21 1 Durina cower operation while comoletino recairs en "C" charoino cumo. "A" charoino 1 i o 13 t I oump become inocerable. Technical Specification 2.2 was implemented and maintenance !
10: 41 I was initiated on "A" charging pumo immediate1v. Technical Soecifications allow this 1 l
FC 1 s l I mode of 00eration for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
l l 0 l6 I l l C i 71 l I
tai 4i l SO SYSTEM CAUSE CALSE CCVP VALVE CCCE CCCE $U8CCCE CCVPCNENT CCCE sv8CCCE SuacCCE lC iil i E I C l@ I O l@ f_0J @ l E I 1 ! E I b I N ! 5 l@:dl k l@ l JJ2 l @
3 10 11 12 13 18 5 R EVi$iCN SE CUENTT AL CCCURRENCE mEPORT a EPCRT NC. CCCE TYPE NC.
lea eC EV ENT Y E A R Oag;T 1s 10 I l-1 1012151 1-1 1013I It i I-I LQJ
,,,, 21 ;2 ;3 24 ;6 27 23 ;3 M 31 22 dCURS $8 i PCR b 6. 547 L E VANLPAC RER AK N ' AhCN C L NT ?ET luBl@l Zl@ la Zi@ lZ l@ 1010101Of l Yl@ lNi@ [42A l@ lu C l 219 l 5ul@
- 4 a 2 ,, .o ai 42 cAusE oEscaipTtCN AND CCA AECTIVE AC*loNS h ,
I 1 6 a ! l "A" charcino cumo discharce header devnleced a small laak in a weld icinine the I i i 1 I system to a fhsino line. The weld was recaired and the cri-n r=+'iraps % o r* e f I
Ii i:i i the same day.
I l'isti I
liiall 30 7 3 9
%PCWER CTWER STATU3 5C Y CISCCVERY CESCRIPTICN ST It isI (,1] @ l 91 71 5l@ l NA l lA l@l Ocerator Observation l ACTIVITY CC TENT AMCONT CF ACTtVITY LCCATICN CP RELEASE mELEA$ED P*ELEASE NA l l NA l l1 l6 l l Z l Ql@l PERSONNE EXPCS E3 NUVSER TV8E CESCRIPTICN i
. i m i t o i O l 0 Gi z i@i Na
' #ERSCNNEL NJL IE3 NUV9ER CESORiPTICN i
-7 o m91010 9 i 0 11-l@i12 Na 30 v'E CESCR PT CN .
liniIIl@l 7 $ .) to .
NA 50 l
iggy s CE CR!PTION g l 2 l 0 l l I. Il NA
l ll ll 1ll1 l l l II
- 7. 4 3 :0 - -y $3 59 33 i NAVE cp ==EpAaEn W. Gates /R. Mualler . ' pocNE:_,,,,102 426 4011 i
~
8 012'O 2 0(ol(p
s i LER~No.80-025
~ 0mana Public Power. District Fort ~Calhoun Station Unit No.1
, Docket No. 05000235 ATTACHMENT NO.1 Safety Analysis- ,
. ~
.The' inservice inspection of the suction an'd relief valves of "C" i
- charging pump was in progress on October'27, 1980.
At approximately 1630 on~10/27/80, charging pumo developed a small leak-in-a weld which connects a flushing line to t.*.e system. "A" !
charging pump was removed from service for repair and the 24 nour time limit of TechnicalESpecification 2.2. was imple.eented. -
1 The weld was repaired and tested the same day. The "A" charging
- pump was. returned 'to service at 2217 hours0.0257 days <br />0.616 hours <br />0.00367 weeks <br />8.435685e-4 months <br /> on October 27, 1980, within
- the 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> time limit of Technical Specification 2.2.
]
/1 T
I
l ...
l .
LER No.80-025 Omaha Public Power District Fort Calhoun Station Unit No.1 Docket No. 05000285 l
ATTACHMENT NO. 2 l
l l Corrective Action
! "A" charging pump. weld of the flush line was repaired by grinding i -out the old weld and rewelding using a certified procedure. The line l
was inspected and hydrostatically tested before returning to service.
Pulsation ' dampeners were . installed on "B" and."C" charging pumps in l 1979. Weld fractures have not been a problem on the piping asscciated with these pumps since the modifications. A pulsation dampener was recently installed on "A" _ charging pump. Based on the performance of the other charging pumps with pulsation dacpeners installed, future problems of this type are not anticipated, j l }4l l
I 6
4 I
l i
I'
LER No.80-015 Omaha Public Power District d
' Fort Calhoun Station Unit No.1~
Docket No.- 05000285 i ATTACHMENT NO. 3 i Failure Data This is the fifth reportable failure of this type at Fort Calhoun i Station. Incidents that are-related to this failure .were previously documented on LER's78-005, 78-006,78-046 and 80-016, i
i i *
- -
I i
4 i
t i
'l d
j s
i 1
a k.
4:
?
j.
- m. + . , , .. - -, , - . . . . = - , . , - - . - , - , , . .,,-c..