05000397/LER-2024-001, Failure to Track Operability of Requirements of Transversing In-Core Probe Valves: Difference between revisions

From kanterella
Jump to navigation Jump to search
Newer edit →
VisualWikitext
StriderTol Bot insert
 
StriderTol Bot change
Line 32: Line 32:


=text=
=text=
{{#Wiki_filter:  
{{#Wiki_filter:10 CFR 50.73 GO2-24-006 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Subject:
       
COLUMBIA GENERATING STATION, DOCKET NO. 50-397 LICENSEE EVENT REPORT NO. 2024-001-00
 !  "     
      
 
David P. Brown ENERGY Columbia Generating Station P.O. Box 968, MD PE23 NORTHWEST Richland, WA 99352-0968 Ph. 509-377-8385 dpbrown@energy-northwest.com
 
January 22, 2024 10 CFR 50.73 GO2-24-006
 
U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001
 
Subject: COLUMBIA GENERATING STATION, DOCKET NO. 50-397 LICENSEE EVENT REPORT NO. 2024-001-00


==Dear Sir or Madam:==
==Dear Sir or Madam:==
Transmitted herewith is Licensee Event Report No. 2024-001-00 for Columbia Generating Station. This report is submitted pursuant to 50.73(a)(2)(i)(B).
Transmitted herewith is Licensee Event Report No. 2024-001-00 for Columbia Generating Station. This report is submitted pursuant to 50.73(a)(2)(i)(B).
There are no commitments being made to the Nuclear Regulatory Commission by this letter. If you have any questions or require additional information, please contact Mr. Z. K.
There are no commitments being made to the Nuclear Regulatory Commission by this letter. If you have any questions or require additional information, please contact Mr. Z. K.
Dunham, Regulatory Affairs Manager, at (509) 377-4735.
Dunham, Regulatory Affairs Manager, at (509) 377-4735.
Executed on this ______ day of ____________, 2024.  ! #
Executed on this ______ day of ____________, 2024.
 
Respectfully, David P. Brown Site Vice President Attachment: Licensee Event Report 2024-001-00 cc:
Respectfully,
NRC Region IV Regional Admin NRC Region IV Project Manager NRC Senior Resident Inspector/988C C.D. Sonoda - BPA/1399 David P. Brown Columbia Generating Station P.O. Box 968, MD PE23 Richland, WA 99352-0968 Ph. 509-377-8385 dpbrown@energy-northwest.com
 
 
jn DocuSigned by :
    
LE:i!,J:a~~~

David P. Brown Site Vice President
!"  
 
    
Attachment: Licensee Event Report 2024-001-00
! #
 

cc: NRC Region IV Regional Admin NRC Region IV Project Manager NRC Senior Resident Inspector/988C C.D. Sonoda - BPA/1399
January 22, 2024 ENERGY NORTHWEST jnDocuSigned by:
    
LE:i!,J:a~~~  
         
 !  "     
      
15&)250 8 6 18&/($55(*8/$725<&200,66,21 $33529('%<20% 12  (;3,5(6 
(VWLPDWHG EXUGHQ SHU UHVSRQVH WR FRPSO\\ ZLWK WKLV PDQGDWRU\\ FROOHFWLRQ UHTXHVW   KRXUV   5HSRUWHG OHVVRQV
l~,..,,.....,.\\ OHDUQHG DUH LQFRUSRUDWHG LQWR WKH OLFHQVLQJ SURFHVV DQG IHG EDFN WR LQGXVWU\\  6HQG FRPPHQWV UHJDUGLQJ EXUGHQ
/,&(16(((9(175(3257 /(5  HVWLPDWH WR WKH )2,$  /LEUDU\\  DQG,QIRUPDWLRQ &ROOHFWLRQV %UDQFK 7  $ 0  8  6  1XFOHDU 5HJXODWRU\\
; ; 6HH3DJH IRUUHTXLUHGQXPEHURIGLJLWV FKDUDFWHUVIRUHDFKEORFN &RPPLVVLRQ :DVKLQJWRQ '& RUE\\HPDLOWR,QIRFROOHFWV 5HVRXUFH#QUF JRY DQGWKH20%UHYLHZHU
 
,..~.,,., ~o{> DW 20%2IILFHRI,QIRUPDWLRQDQG5HJXODWRU\\$IIDLUV  $WWQ 'HVN2IILFHUIRUWKH1XFOHDU5HJXODWRU\\
..... 6HH185(* 5 IRULQVWUXFWLRQDQGJXLGDQFHIRUFRPSOHWLQJWKLVIRUP &RPPLVVLRQ   WK6WUHHW1: :DVKLQJWRQ '& HPDLO RLUDBVXEPLVVLRQ#RPE HRS JRY 7KH15&PD\\
KWWS ZZZ QUF JRY UHDGLQJ UP GRF FROOHFWLRQV QXUHJV VWDII VU U QRWFRQGXFWRUVSRQVRU DQGDSHUVRQLVQRWUHTXLUHGWRUHVSRQGWR DFROOHFWLRQRILQIRUPDWLRQXQOHVVWKHGRFXPHQW
UHTXHVWLQJRUUHTXLULQJWKHFROOHFWLRQGLVSOD\\VDFXUUHQWO\\YDOLG20%FRQWUROQXPEHU


)DFLOLW\\1DPH 'RFNHW1XPEHU 3DJH
15&)250
&ROXPELD*HQHUDWLQJ6WDWLRQ @  2)


8618&/($55(*8/$725<&200,66,21
/,&(16(((9(175(3257 /(5 
6HH3DJHIRUUHTXLUHGQXPEHURIGLJLWVFKDUDFWHUVIRUHDFKEORFN
6HH185(*5IRULQVWUXFWLRQDQGJXLGDQFHIRUFRPSOHWLQJWKLVIRUP
KWWSZZZQUFJRYUHDGLQJUPGRFFROOHFWLRQVQXUHJVVWDIIVUU
$33529('%<20%12
(;3,5(6
(VWLPDWHGEXUGHQSHUUHVSRQVHWRFRPSO\\ZLWKWKLVPDQGDWRU\\FROOHFWLRQUHTXHVWKRXUV5HSRUWHGOHVVRQV
OHDUQHGDUHLQFRUSRUDWHGLQWRWKHOLFHQVLQJSURFHVVDQGIHGEDFNWRLQGXVWU\\6HQGFRPPHQWVUHJDUGLQJEXUGHQ
HVWLPDWH WR WKH )2,$ /LEUDU\\ DQG,QIRUPDWLRQ &ROOHFWLRQV %UDQFK 7 $0  8 6 1XFOHDU 5HJXODWRU\\
&RPPLVVLRQ:DVKLQJWRQ'&RUE\\HPDLOWR,QIRFROOHFWV5HVRXUFH#QUFJRYDQGWKH20%UHYLHZHU
DW20%2IILFHRI,QIRUPDWLRQDQG5HJXODWRU\\$IIDLUV  $WWQ'HVN2IILFHUIRUWKH1XFOHDU5HJXODWRU\\
&RPPLVVLRQWK6WUHHW1::DVKLQJWRQ'&HPDLO RLUDBVXEPLVVLRQ#RPEHRSJRY7KH15&PD\\
QRWFRQGXFWRUVSRQVRUDQGDSHUVRQLVQRWUHTXLUHGWRUHVSRQGWRDFROOHFWLRQRILQIRUPDWLRQXQOHVVWKHGRFXPHQW
UHTXHVWLQJRUUHTXLULQJWKHFROOHFWLRQGLVSOD\\VDFXUUHQWO\\YDOLG20%FRQWUROQXPEHU
 )DFLOLW\\1DPH


 'RFNHW1XPEHU
 3DJH
 2)
 7LWOH
 (YHQW'DWH 0RQWK
'D\\
<HDU
 /(51XPEHU
<HDU

6HTXHQWLDO
1XPEHU

5HYLVLRQ
1R
 5HSRUW'DWH 0RQWK
'D\\
<HDU
 2WKHU)DFLOLWLHV,QYROYHG
)DFLOLW\\1DPH
)DFLOLW\\1DPH
'RFNHW1XPEHU
'RFNHW1XPEHU
 2SHUDWLQJ0RGH
 3RZHU/HYHO


 7KLV5HSRUWLV6XEPLWWHG3XUVXDQWWRWKH5HTXLUHPHQWVRI&)5 (Check all that apply)
&)53DUW
 E
 G
 D 
 D  L
 D  LL
 D  LLL
 D  LY
 D  Y
 D  YL
 D  L
 D  LL
 D 
&)53DUW
 F
&)53DUW
 F  L $
 F  LL $
 F 
 D  LL
 J
 D  L $
 D  L %
 D  L &
 D  LL $
 D  LL %
 D  LLL
 D  LY $
 D  Y $
 D  Y %
 D  Y &
 D  Y '
 D  YLL
 D  YLLL $
 D  YLLL %
 D  L[ $
 D  [
&)53DUW
 D 
 D  L
 D  LL
 D
 E
 F
 G
 H
 I
 J
 K
27+(5 6SHFLI\\KHUHLQDEVWUDFWRU15&$ 
 /LFHQVHH&RQWDFWIRUWKLV/(5
/LFHQVHH&RQWDFW 3KRQH1XPEHU ,QFOXGHDUHDFRGH
 &RPSOHWH2QH/LQHIRUHDFK&RPSRQHQW)DLOXUH'HVFULEHGLQWKLV5HSRUW
&DXVH 6\\VWHP
&RPSRQHQW 0DQXIDFWXUHU 5HSRUWDEOHWR,5,6
&DXVH 6\\VWHP
&RPSRQHQW 0DQXIDFWXUHU 5HSRUWDEOHWR,5,6
 6XSSOHPHQWDO5HSRUW([SHFWHG
<HV ,I\\HVFRPSOHWH([SHFWHG6XEPLVVLRQ'DWH 
1R
 ([SHFWHG6XEPLVVLRQ'DWH 0RQWK
'D\\
<HDU
&ROXPELD*HQHUDWLQJ6WDWLRQ

)DLOXUHWR7UDFN2SHUDELOLW\\5HTXLUHPHQWVRI7UDQVYHUVLQJ,Q&RUH3UREH9DOYHV






1$
1$
1$
1$


O 9DOHULH/DJHQ3ULQFLSDO/LFHQVLQJ(QJLQHHU

O
 $EVWUDFW /LPLWWRVSDFHVLHDSSUR[LPDWHO\\ VLQJOHVSDFHGW\\SHZULWWHQOLQHV 
2Q1RYHPEHUDW&ROXPELD*HQHUDWLQJ6WDWLRQZDV LQ0RGHDWUHDFWRUSRZHUZKHQDFOHDUDQFHRUGHU WR VXSSRUWPDLQWHQDQFHRQ7UDQVYHUVLQJ,Q&RUH3UREH 7,3 VTXLEYDOYHV7,39DQG7,39>,69@ZDV OLIWHGSULRUWR
FRPSOHWLRQRIWKHUHTXLUHGSRVWPDLQWHQDQFHWHVWLQJ 307 7KLVZDVGLVFRYHUHGE\\ WKHRQFRPLQJ2SHUDWLRQV6KLIW RQ
1RYHPEHU7KHVHYDOYHVIXQFWLRQDVRQHPHDQV RISULPDU\\FRQWDLQPHQW >1+@LVRODWLRQ RIWKH7,3JXLGH WXEHV7KH
ILQDO307ZDVFRPSOHWHGZLWKWKHV\\VWHPGHFODUHGRSHUDEOH RQ1RYHPEHU DW
7KH5HTXLUHG$FWLRQVRI7HFKQLFDO6SHFLILFDWLRQ 76 $ZHUHLQHIIHFWLYHO\\LPSOHPHQWHGWRHQVXUHSHQHWUDWLRQIORZ
SDWKLVRODWLRQIRUDSHULRGRIKRXUVDQGPLQXWHVZKLFKLQLWLDWHV 5HTXLUHG$FWLRQ(WREHLQ0RGHZLWKLQKRXUV
7KHFDXVHRIWKHHYHQWZDVGHWHUPLQHGWREH2SHUDWLRQV &UHZVGLGQRWHIIHFWLYHO\\XVHHVWDEOLVKHGSURFHGXUHJXLGDQFHDQG IRUPVZKHQGHWHUPLQLQJDQGWUDFNLQJSRVWPDLQWHQDQFHWHVWLQJUHTXLUHPHQWVWRUHVWRUHRSHUDELOLW\\ RI76UHODWHGFRPSRQHQWV



 
    

!"  
    
1 22 2024 l~,..,,
.....,.\\
,..~.,,.,
~o{>
I


7LWOH
15&)250$
)DLOXUHWR7UDFN2SHUDELOLW\\5HTXLUHPHQWVRI7UDQVYHUVLQJ,Q &RUH3UREH9DOYHV

 
8618&/($55(*8/$725<&200,66,21
(YHQW'DWH /(51XPEHU 5HSRUW'DWH 2WKHU)DFLOLWLHV,QYROYHG
/,&(16(((9(175(3257 /(5 
 
&217,18$7,216+((7
0RQWK 'D\\ <HDU <HDU 6HTXHQWLDO 5HYLVLRQ 0RQWK 'D\\ <HDU )DFLOLW\\1DPH 'RFNHW1XPEHU 1XPEHU 1R 1 $ 1 $
$33529('%<20%12
1222024)DFLOLW\\1DPH 'RFNHW1XPEHU 1 $ 1 $
(;3,5(6
 
(VWLPDWHGEXUGHQSHUUHVSRQVHWRFRPSO\\ZLWKWKLVPDQGDWRU\\FROOHFWLRQUHTXHVWKRXUV5HSRUWHG
2SHUDWLQJ0RGH 3RZHU/HYHO
OHVVRQVOHDUQHGDUHLQFRUSRUDWHGLQWRWKHOLFHQVLQJSURFHVVDQGIHGEDFNWRLQGXVWU\\6HQGFRPPHQWV
I
UHJDUGLQJEXUGHQHVWLPDWHWRWKH)2,$/LEUDU\\DQG,QIRUPDWLRQ&ROOHFWLRQV%UDQFK 7$0 86
 
1XFOHDU
7KLV5HSRUWLV6XEPLWWHG3XUVXDQWWRWKH5HTXLUHPHQWVRI &)5  (Check all that apply)
5HJXODWRU\\
&)53DUW D YL &)53DUW D LL $ D YLLL $ D
&RPPLVVLRQ
E D L F L $ D LL % D YLLL % E
:DVKLQJWRQ
G D LL F LL $ D LLL D L[ $ F
'&
D D F D LY $ D [ G

D L &)53DUW D LL D Y $ &)53DUW H
RU
D LL F J D Y % D I
E\\
D LLL D L $ D Y & D L J
HPDLO
D LY O D L % D Y ' D LL K
WR
D Y D L & D YLL 27+(5 6SHFLI\\KHUH LQDEVWUDFW RU15& $
,QIRFROOHFWV5HVRXUFH#QUFJRYDQGWKH20%UHYLHZHUDW20%2IILFHRI,QIRUPDWLRQDQG5HJXODWRU\\
 
$IIDLUV  $WWQ'HVN2IILFHUIRUWKH1XFOHDU5HJXODWRU\\&RPPLVVLRQWK6WUHHW1:
/LFHQVHH&RQWDFWIRUWKLV/(5
:DVKLQJWRQ '&   HPDLO  RLUDBVXEPLVVLRQ#RPEHRSJRY  7KH 15& PD\\ QRW FRQGXFW RU
 
VSRQVRUDQGDSHUVRQLVQRWUHTXLUHGWRUHVSRQGWRDFROOHFWLRQRILQIRUPDWLRQXQOHVVWKHGRFXPHQW
/LFHQVHH&RQWDFW 3KRQH1XPEHU ,QFOXGHDUHDFRGH 9DOHULH/DJHQ 3ULQFLSDO/LFHQVLQJ(QJLQHHU
UHTXHVWLQJRUUHTXLULQJWKHFROOHFWLRQGLVSOD\\VDFXUUHQWO\\YDOLG20%FRQWUROQXPEHU
 
6HH185(*5IRULQVWUXFWLRQDQGJXLGDQFHIRUFRPSOHWLQJWKLVIRUP
&RPSOHWH2QH/LQHIRUHDFK&RPSRQHQW)DLOXUH'HVFULEHGLQWKLV5HSRUW
KWWSZZZQUFJRYUHDGLQJUPGRFFROOHFWLRQVQXUHJVVWDIIVUU
 
1$55$7,9(
&DXVH 6\\VWHP &RPSRQHQW 0DQXIDFWXUHU 5HSRUWDEOHWR,5,6 &DXVH 6\\VWHP &RPSRQHQW 0DQXIDFWXUHU 5HSRUWDEOHWR,5,6
15&)250$ 
 
3DJH
6XSSOHPHQWDO5HSRUW([SHFWHG 0RQWK 'D\\ <HDU
RI
([SHFWHG6XEPLVVLRQ'DWH O1R<HV ,I\\HV FRPSOHWH ([SHFWHG6XEPLVVLRQ'DWH 
 )$&,/,7<1$0(
 
 '2&.(7180%(5
 $EVWUDFW /LPLWWR VSDFHV L H DSSUR[LPDWHO\\ VLQJOH VSDFHGW\\SHZULWWHQOLQHV 2Q1RYHPEHU  DW &ROXPELD*HQHUDWLQJ6WDWLRQZDV LQ0RGH DW UHDFWRUSRZHUZKHQDFOHDUDQFHRUGHU WR VXSSRUWPDLQWHQDQFHRQ7UDQVYHUVLQJ,Q &RUH3UREH 7,3 VTXLEYDOYHV7,3 9 DQG7,3 9 >,69@ZDV OLIWHGSULRUWR
/(5180%(5
FRPSOHWLRQRIWKHUHTXLUHGSRVWPDLQWHQDQFHWHVWLQJ 307 7KLVZDVGLVFRYHUHGE\\ WKHRQFRPLQJ2SHUDWLRQV6KLIW RQ
<($5
1RYHPEHU  7KHVHYDOYHVIXQFWLRQDVRQHPHDQV RISULPDU\\FRQWDLQPHQW >1+@LVRODWLRQ RIWKH7,3JXLGH WXEHV 7KH

ILQDO307ZDVFRPSOHWHGZLWKWKHV\\VWHPGHFODUHGRSHUDEOH RQ1RYHPEHU DW 
6(48(17,$/
 
180%(5
7KH5HTXLUHG$FWLRQVRI7HFKQLFDO6SHFLILFDWLRQ 76  $ZHUHLQHIIHFWLYHO\\LPSOHPHQWHGWRHQVXUHSHQHWUDWLRQIORZ

SDWKLVRODWLRQIRUDSHULRGRI KRXUVDQG PLQXWHVZKLFKLQLWLDWHV 5HTXLUHG$FWLRQ( WREHLQ0RGH ZLWKLQ KRXUV 
5(9
 
12
7KHFDXVHRIWKHHYHQWZDVGHWHUPLQHGWREH2SHUDWLRQV &UHZVGLGQRWHIIHFWLYHO\\XVHHVWDEOLVKHGSURFHGXUHJXLGDQFHDQG IRUPVZKHQGHWHUPLQLQJDQGWUDFNLQJSRVWPDLQWHQDQFHWHVWLQJUHTXLUHPHQWVWRUHVWRUHRSHUDELOLW\\ RI76UHODWHGFRPSRQHQWV

  

       
 !  "     
      
15&)250 $ 8 6 18&/($55(*8/$725<&200,66,21 $33529('%<20% 12  (;3,5(6 
(VWLPDWHGEXUGHQSHUUHVSRQVHWRFRPSO\\ZLWKWKLVPDQGDWRU\\FROOHFWLRQUHTXHVW  KRXUV 5HSRUWHG
/~*J>' "'*",.,\\ OHVVRQVOHDUQHGDUHLQFRUSRUDWHGLQWRWKHOLFHQVLQJSURFHVVDQGIHGEDFNWRLQGXVWU\\ 6HQGFRPPHQWV
/,&(16(((9(175(3257 /(5  UHJDUGLQJEXUGHQHVWLPDWHWRWKH)2,$ /LEUDU\\ DQG,QIRUPDWLRQ&ROOHFWLRQV%UDQFK 7 $ 0 8 6 
1XFOHDU 5HJXODWRU\\ &RPPLVVLRQ  :DVKLQJWRQ  '&  RU E\\ HPDLO WR
; i <--+_, ~o" &217,18$7,216+((7,QIRFROOHFWV 5HVRXUFH#QUF JRY DQGWKH20%UHYLHZHUDW 20%2IILFHRI,QIRUPDWLRQDQG5HJXODWRU\\
..... $IIDLUV  $WWQ 'HVN2IILFHUIRUWKH1XFOHDU5HJXODWRU\\&RPPLVVLRQ   WK6WUHHW1: 
6HH185(* 5 IRULQVWUXFWLRQDQGJXLGDQFHIRUFRPSOHWLQJWKLVIRUP :DVKLQJWRQ  '&   HPDLO  RLUDBVXEPLVVLRQ#RPE HRS JRY   7KH 15& PD\\ QRW FRQGXFW RU
KWWS ZZZ QUF JRY UHDGLQJ UP GRF FROOHFWLRQV QXUHJV VWDII VU U VSRQVRU DQGDSHUVRQLVQRWUHTXLUHGWRUHVSRQGWR DFROOHFWLRQRILQIRUPDWLRQXQOHVVWKHGRFXPHQW
UHTXHVWLQJRUUHTXLULQJWKHFROOHFWLRQGLVSOD\\VDFXUUHQWO\\YDOLG20%FRQWUROQXPEHU
 
)$&,/,7<1$0( '2&.(7180%(5 /(5180%(5
@ <($5 6(48(17,$/ 5(9
180%(5 12 Columbia Generating Station 397 2024 0001 00 
I I~ I I I I D 1$55$7,9(


==Plant Conditions==
==Plant Conditions==
Mode 1, 100 percent power
Mode 1, 100 percent power Description of Events:
 
2Q2SHUDWLQJ&UHZVKXQJFOHDUDQFH'7,39 WRVXSSRUW:RUN2UGHUWRUHSODFHWKH
Description of Events:
7UDQVYHUVLQJ,Q&RUH3UREH 7,3 VTXLEYDOYHVIRU7,39DQG7,39>,69@/LPLWLQJFRQGLWLRQRIRSHUDWLRQ /&2 
 
7UDFNLQJ6KHHWZDVRSHQHGWRWUDFNRSHUDELOLW\\DQGFRPSOLDQFHZLWK7HFKQLFDO6SHFLILFDWLRQ 76 3ULPDU\\
2Q 2SHUDWLQJ&UHZVKXQJFOHDUDQFH' 7,3 9   WRVXSSRUW:RUN2UGHU WRUHSODFHWKH
&RQWDLQPHQW,VRODWLRQ9DOYHV7,39DQGZHUHYHULILHGFORVHGDQGGHDFWLYDWHGSHUFOHDUDQFHRUGHUZKLFKSURYLGHG
7UDQVYHUVLQJ,Q &RUH3UREH 7,3 VTXLEYDOYHVIRU7,3 9 DQG7,3 9 >,69@ /LPLWLQJFRQGLWLRQRIRSHUDWLRQ /&2 
DGPLQLVWUDWLYHPHDQVWRVDWLVI\\7HFKQLFDO6SHFLILFDWLRQ$FWLRQ6WDWHPHQW 76$6 $DQG$
7UDFNLQJ6KHHWZDVRSHQHGWRWUDFNRSHUDELOLW\\DQGFRPSOLDQFHZLWK7HFKQLFDO6SHFLILFDWLRQ 76 3ULPDU\\
&RQWDLQPHQW,VRODWLRQ9DOYHV 7,3 9 DQG ZHUHYHULILHGFORVHGDQGGHDFWLYDWHGSHUFOHDUDQFHRUGHU ZKLFKSURYLGHG
DGPLQLVWUDWLYHPHDQVWRVDWLVI\\7HFKQLFDO6SHFLILFDWLRQ$FWLRQ6WDWHPHQW 76$6  $ DQG $
 
On November 21, 2023, at 1043WKH clearance order to support maintenance on Transversing In-Core Probe (TIP) squib valves TIP-V-7 and TIP-V-8 was lifted prior to completion of the required post maintenance testing (PMT). 7KLVZDV
On November 21, 2023, at 1043WKH clearance order to support maintenance on Transversing In-Core Probe (TIP) squib valves TIP-V-7 and TIP-V-8 was lifted prior to completion of the required post maintenance testing (PMT). 7KLVZDV
GLVFRYHUHGE\\WKHRQFRPLQJ2SHUDWLRQV6KLIWRQ1RYHPEHU  These valves function as one means of primary containment [N+] isolation of the TIP guide tubes. The final 3MT was completed DQGWKHV\\VWHPZDVGHFODUHGRSHUDEOH
GLVFRYHUHGE\\WKHRQFRPLQJ2SHUDWLRQV6KLIWRQ1RYHPEHUThese valves function as one means of primary containment [N+] isolation of the TIP guide tubes. The final 3MT was completed DQGWKHV\\VWHPZDVGHFODUHGRSHUDEOH
on November 22, 2023 at 0921 $UHYLHZRI7,3JXLGHWXEHV\\VWHPSDUDPHWHUVGXULQJWKHSHULRGDGPLQLVWUDWLYHFRQWURO
on November 22, 2023 at 0921 $UHYLHZRI7,3JXLGHWXEHV\\VWHPSDUDPHWHUVGXULQJWKHSHULRGDGPLQLVWUDWLYHFRQWURO
ZDVQRWPDLQWDLQHGFRQILUPVQRORVVRIFRQWDLQPHQWLVRODWLRQ
ZDVQRWPDLQWDLQHGFRQILUPVQRORVVRIFRQWDLQPHQWLVRODWLRQ
 
7KH5HTXLUHG$FWLRQVRI7HFKQLFDO6SHFLILFDWLRQ 76 $ZHUHLQHIIHFWLYHO\\LPSOHPHQWHGWRHQVXUHSHQHWUDWLRQ
7KH5HTXLUHG$FWLRQVRI7HFKQLFDO6SHFLILFDWLRQ 76  $ZHUHLQHIIHFWLYHO\\LPSOHPHQWHGWRHQVXUHSHQHWUDWLRQ
IORZSDWKLVRODWLRQIRUDSHULRGRIKRXUVDQGPLQXWHVZKLFKLQLWLDWHV5HTXLUHG$FWLRQ(WREHLQ0RGHZLWKLQ
IORZSDWKLVRODWLRQIRUDSHULRGRI KRXUVDQG PLQXWHVZKLFKLQLWLDWHV5HTXLUHG$FWLRQ( WREHLQ0RGH ZLWKLQ 
KRXUV
KRXUV


==Reportability==
==Reportability==
This event is reportable as an Operation or Condition Prohibited by TS 10 CFR 50.73(a)(2)(i)(B)
This event is reportable as an Operation or Condition Prohibited by TS 10 CFR 50.73(a)(2)(i)(B)
 
Cause
Cause 
7KHHYHQWZDVGHWHUPLQHGWREHFDXVHGE\\
7KHHYHQWZDVGHWHUPLQHGWREHFDXVHGE\\
 
7KHFDXVHRIWKHHYHQWZDVGHWHUPLQHGWREH2SHUDWLRQV&UHZVGLGQRWHIIHFWLYHO\\XVHHVWDEOLVKHGSURFHGXUHJXLGDQFH
7KHFDXVHRIWKHHYHQWZDVGHWHUPLQHGWREH2SHUDWLRQV&UHZVGLGQRWHIIHFWLYHO\\XVHHVWDEOLVKHGSURFHGXUHJXLGDQFH
DQGIRUPVZKHQGHWHUPLQLQJDQGWUDFNLQJSRVWPDLQWHQDQFHWHVWLQJUHTXLUHPHQWVWRUHVWRUHRSHUDELOLW\\RI76UHODWHG
DQGIRUPVZKHQGHWHUPLQLQJDQGWUDFNLQJSRVWPDLQWHQDQFHWHVWLQJUHTXLUHPHQWVWRUHVWRUHRSHUDELOLW\\RI76UHODWHG
FRPSRQHQWV
FRPSRQHQWV
 
&RUUHFWLYH$FWLRQV7DNHQ
&RUUHFWLYH$FWLRQV7DNHQ
&RDFKLQJRI&RQWURO5RRP6XSHUYLVRU
 
&RPPXQLFDWLRQRI2SHUDWLRQDO([SHULHQFHDQG/HVVRQV/HDUQHGWR&UHZV5HYLVLRQRI6WDQGDUG&OHDUDQFH2UGHUDQG
&RDFKLQJRI&RQWURO5RRP6XSHUYLVRU
&RQGXFWHGDQ([WHQWRI&RQGLWLRQ(YDOXDWLRQ 6DIHW\\6LJQLILFDQFH7KHLQWHJULW\\RIWKH7,3JXLGHSDWKSHQHWUDWLRQZDVFRQILUPHGIRUWKHSHULRGDGPLQLVWUDWLYHFRQWURO
&RPPXQLFDWLRQRI2SHUDWLRQDO([SHULHQFHDQG/HVVRQV/HDUQHGWR&UHZV 5HYLVLRQRI6WDQGDUG&OHDUDQFH2UGHU DQG
ZDVQRWPDLQWDLQHG7KHUHZDVQRORVVRIVDIHW\\IXQFWLRQ
&RQGXFWHGDQ([WHQWRI&RQGLWLRQ(YDOXDWLRQ
3UHYLRXVO\\6LPLODU(YHQWV
 
1RQH,GHQWLILHG Columbia Generating Station 397 2024 0001 00
6DIHW\\6LJQLILFDQFH 7KHLQWHJULW\\RIWKH7,3JXLGHSDWKSHQHWUDWLRQZDVFRQILUPHGIRUWKHSHULRGDGPLQLVWUDWLYHFRQWURO

ZDVQRWPDLQWDLQHG 7KHUHZDVQRORVVRIVDIHW\\IXQFWLRQ 

 
 
3UHYLRXVO\\6LPLODU(YHQWV 
    
 

1RQH,GHQWLILHG
!"  
 
    
15&)250 $ 3DJH RI
/~*J>'
"'*",.,\\
i
<--+_,
~o" I
I~
I I I I D
}}
}}


{{LER-Nav}}
{{LER-Nav}}

Revision as of 06:51, 25 November 2024

Failure to Track Operability of Requirements of Transversing In-Core Probe Valves
ML24022A224
Person / Time
Site: Columbia 
Issue date: 01/22/2024
From: David Brown
Energy Northwest
To:
Office of Nuclear Reactor Regulation, Document Control Desk
References
GO2-24-006 LER 2024-001-00
Download: ML24022A224 (1)
v • d • e


LER-2024-001, Failure to Track Operability of Requirements of Transversing In-Core Probe Valves
Event date:
Report date:
Reporting criterion: 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
3972024001R00 - NRC Website
v • d • e

text

10 CFR 50.73 GO2-24-006 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Subject:

COLUMBIA GENERATING STATION, DOCKET NO. 50-397 LICENSEE EVENT REPORT NO. 2024-001-00

Dear Sir or Madam:

Transmitted herewith is Licensee Event Report No. 2024-001-00 for Columbia Generating Station. This report is submitted pursuant to 50.73(a)(2)(i)(B).

There are no commitments being made to the Nuclear Regulatory Commission by this letter. If you have any questions or require additional information, please contact Mr. Z. K.

Dunham, Regulatory Affairs Manager, at (509) 377-4735.

Executed on this ______ day of ____________, 2024.

Respectfully, David P. Brown Site Vice President Attachment: Licensee Event Report 2024-001-00 cc:

NRC Region IV Regional Admin NRC Region IV Project Manager NRC Senior Resident Inspector/988C C.D. Sonoda - BPA/1399 David P. Brown Columbia Generating Station P.O. Box 968, MD PE23 Richland, WA 99352-0968 Ph. 509-377-8385 dpbrown@energy-northwest.com

 

    



!"  

    

! #



January 22, 2024 ENERGY NORTHWEST jnDocuSigned by:

LE:i!,J:a~~~

15&)250



8618&/($55(*8/$725<&200,66,21

/,&(16(((9(175(3257 /(5 

6HH3DJHIRUUHTXLUHGQXPEHURIGLJLWVFKDUDFWHUVIRUHDFKEORFN

6HH185(*5IRULQVWUXFWLRQDQGJXLGDQFHIRUFRPSOHWLQJWKLVIRUP

KWWSZZZQUFJRYUHDGLQJUPGRFFROOHFWLRQVQXUHJVVWDIIVUU

$33529('%<20%12

(;3,5(6

(VWLPDWHGEXUGHQSHUUHVSRQVHWRFRPSO\\ZLWKWKLVPDQGDWRU\\FROOHFWLRQUHTXHVWKRXUV5HSRUWHGOHVVRQV

OHDUQHGDUHLQFRUSRUDWHGLQWRWKHOLFHQVLQJSURFHVVDQGIHGEDFNWRLQGXVWU\\6HQGFRPPHQWVUHJDUGLQJEXUGHQ

HVWLPDWH WR WKH )2,$ /LEUDU\\ DQG,QIRUPDWLRQ &ROOHFWLRQV %UDQFK 7 $0  8 6 1XFOHDU 5HJXODWRU\\

&RPPLVVLRQ:DVKLQJWRQ'&RUE\\HPDLOWR,QIRFROOHFWV5HVRXUFH#QUFJRYDQGWKH20%UHYLHZHU

DW20%2IILFHRI,QIRUPDWLRQDQG5HJXODWRU\\$IIDLUV  $WWQ'HVN2IILFHUIRUWKH1XFOHDU5HJXODWRU\\

&RPPLVVLRQWK6WUHHW1::DVKLQJWRQ'&HPDLO RLUDBVXEPLVVLRQ#RPEHRSJRY7KH15&PD\\

QRWFRQGXFWRUVSRQVRUDQGDSHUVRQLVQRWUHTXLUHGWRUHVSRQGWRDFROOHFWLRQRILQIRUPDWLRQXQOHVVWKHGRFXPHQW

UHTXHVWLQJRUUHTXLULQJWKHFROOHFWLRQGLVSOD\\VDFXUUHQWO\\YDOLG20%FRQWUROQXPEHU

 )DFLOLW\\1DPH





 'RFNHW1XPEHU

 3DJH

 2)

 7LWOH

 (YHQW'DWH 0RQWK

'D\\

<HDU

 /(51XPEHU

<HDU



6HTXHQWLDO

1XPEHU



5HYLVLRQ

1R

 5HSRUW'DWH 0RQWK

'D\\

<HDU

 2WKHU)DFLOLWLHV,QYROYHG

)DFLOLW\\1DPH

)DFLOLW\\1DPH

'RFNHW1XPEHU

'RFNHW1XPEHU

 2SHUDWLQJ0RGH

 3RZHU/HYHO





 7KLV5HSRUWLV6XEPLWWHG3XUVXDQWWRWKH5HTXLUHPHQWVRI&)5 (Check all that apply)

&)53DUW

 E

 G

 D 

 D  L

 D  LL

 D  LLL

 D  LY

 D  Y

 D  YL

 D  L

 D  LL

 D 

&)53DUW

 F

&)53DUW

 F  L $

 F  LL $

 F 

 D  LL

 J

 D  L $

 D  L %

 D  L &

 D  LL $

 D  LL %

 D  LLL

 D  LY $

 D  Y $

 D  Y %

 D  Y &

 D  Y '

 D  YLL

 D  YLLL $

 D  YLLL %

 D  L[ $

 D  [

&)53DUW

 D 

 D  L

 D  LL

 D

 E

 F

 G

 H

 I

 J

 K

27+(5 6SHFLI\\KHUHLQDEVWUDFWRU15&$ 

 /LFHQVHH&RQWDFWIRUWKLV/(5

/LFHQVHH&RQWDFW 3KRQH1XPEHU ,QFOXGHDUHDFRGH

 &RPSOHWH2QH/LQHIRUHDFK&RPSRQHQW)DLOXUH'HVFULEHGLQWKLV5HSRUW

&DXVH 6\\VWHP

&RPSRQHQW 0DQXIDFWXUHU 5HSRUWDEOHWR,5,6

&DXVH 6\\VWHP

&RPSRQHQW 0DQXIDFWXUHU 5HSRUWDEOHWR,5,6

 6XSSOHPHQWDO5HSRUW([SHFWHG

<HV ,I\\HVFRPSOHWH([SHFWHG6XEPLVVLRQ'DWH 

1R

 ([SHFWHG6XEPLVVLRQ'DWH 0RQWK

'D\\

<HDU

&ROXPELD*HQHUDWLQJ6WDWLRQ



)DLOXUHWR7UDFN2SHUDELOLW\\5HTXLUHPHQWVRI7UDQVYHUVLQJ,Q&RUH3UREH9DOYHV













1$

1$

1$

1$





O 9DOHULH/DJHQ3ULQFLSDO/LFHQVLQJ(QJLQHHU



O

 $EVWUDFW /LPLWWRVSDFHVLHDSSUR[LPDWHO\\ VLQJOHVSDFHGW\\SHZULWWHQOLQHV 

2Q1RYHPEHUDW&ROXPELD*HQHUDWLQJ6WDWLRQZDV LQ0RGHDWUHDFWRUSRZHUZKHQDFOHDUDQFHRUGHU WR VXSSRUWPDLQWHQDQFHRQ7UDQVYHUVLQJ,Q&RUH3UREH 7,3 VTXLEYDOYHV7,39DQG7,39>,69@ZDV OLIWHGSULRUWR

FRPSOHWLRQRIWKHUHTXLUHGSRVWPDLQWHQDQFHWHVWLQJ 307 7KLVZDVGLVFRYHUHGE\\ WKHRQFRPLQJ2SHUDWLRQV6KLIW RQ

1RYHPEHU7KHVHYDOYHVIXQFWLRQDVRQHPHDQV RISULPDU\\FRQWDLQPHQW >1+@LVRODWLRQ RIWKH7,3JXLGH WXEHV7KH

ILQDO307ZDVFRPSOHWHGZLWKWKHV\\VWHPGHFODUHGRSHUDEOH RQ1RYHPEHU DW

7KH5HTXLUHG$FWLRQVRI7HFKQLFDO6SHFLILFDWLRQ 76 $ZHUHLQHIIHFWLYHO\\LPSOHPHQWHGWRHQVXUHSHQHWUDWLRQIORZ

SDWKLVRODWLRQIRUDSHULRGRIKRXUVDQGPLQXWHVZKLFKLQLWLDWHV 5HTXLUHG$FWLRQ(WREHLQ0RGHZLWKLQKRXUV

7KHFDXVHRIWKHHYHQWZDVGHWHUPLQHGWREH2SHUDWLRQV &UHZVGLGQRWHIIHFWLYHO\\XVHHVWDEOLVKHGSURFHGXUHJXLGDQFHDQG IRUPVZKHQGHWHUPLQLQJDQGWUDFNLQJSRVWPDLQWHQDQFHWHVWLQJUHTXLUHPHQWVWRUHVWRUHRSHUDELOLW\\ RI76UHODWHGFRPSRQHQWV







 

    



!"  

    

1 22 2024 l~,..,,

.....,.\\

,..~.,,.,

~o{>

I

15&)250$



8618&/($55(*8/$725<&200,66,21

/,&(16(((9(175(3257 /(5 

&217,18$7,216+((7

$33529('%<20%12

(;3,5(6

(VWLPDWHGEXUGHQSHUUHVSRQVHWRFRPSO\\ZLWKWKLVPDQGDWRU\\FROOHFWLRQUHTXHVWKRXUV5HSRUWHG

OHVVRQVOHDUQHGDUHLQFRUSRUDWHGLQWRWKHOLFHQVLQJSURFHVVDQGIHGEDFNWRLQGXVWU\\6HQGFRPPHQWV

UHJDUGLQJEXUGHQHVWLPDWHWRWKH)2,$/LEUDU\\DQG,QIRUPDWLRQ&ROOHFWLRQV%UDQFK 7$0 86

1XFOHDU

5HJXODWRU\\

&RPPLVVLRQ

DVKLQJWRQ

'&



RU

E\\

HPDLO

WR

,QIRFROOHFWV5HVRXUFH#QUFJRYDQGWKH20%UHYLHZHUDW20%2IILFHRI,QIRUPDWLRQDQG5HJXODWRU\\

$IIDLUV  $WWQ'HVN2IILFHUIRUWKH1XFOHDU5HJXODWRU\\&RPPLVVLRQWK6WUHHW1:

DVKLQJWRQ '&   HPDLO  RLUDBVXEPLVVLRQ#RPEHRSJRY  7KH 15& PD\\ QRW FRQGXFW RU

VSRQVRUDQGDSHUVRQLVQRWUHTXLUHGWRUHVSRQGWRDFROOHFWLRQRILQIRUPDWLRQXQOHVVWKHGRFXPHQW

UHTXHVWLQJRUUHTXLULQJWKHFROOHFWLRQGLVSOD\\VDFXUUHQWO\\YDOLG20%FRQWUROQXPEHU

6HH185(*5IRULQVWUXFWLRQDQGJXLGDQFHIRUFRPSOHWLQJWKLVIRUP

KWWSZZZQUFJRYUHDGLQJUPGRFFROOHFWLRQVQXUHJVVWDIIVUU

1$55$7,9(

15&)250$ 

3DJH

RI

 )$&,/,7<1$0(

 '2&.(7180%(5

/(5180%(5

<($5



6(48(17,$/

180%(5



5(9

12





Plant Conditions

Mode 1, 100 percent power Description of Events:

2Q2SHUDWLQJ&UHZVKXQJFOHDUDQFH'7,39 WRVXSSRUW:RUN2UGHUWRUHSODFHWKH

7UDQVYHUVLQJ,Q&RUH3UREH 7,3 VTXLEYDOYHVIRU7,39DQG7,39>,69@/LPLWLQJFRQGLWLRQRIRSHUDWLRQ /&2 

7UDFNLQJ6KHHWZDVRSHQHGWRWUDFNRSHUDELOLW\\DQGFRPSOLDQFHZLWK7HFKQLFDO6SHFLILFDWLRQ 76 3ULPDU\\

&RQWDLQPHQW,VRODWLRQ9DOYHV7,39DQGZHUHYHULILHGFORVHGDQGGHDFWLYDWHGSHUFOHDUDQFHRUGHUZKLFKSURYLGHG

DGPLQLVWUDWLYHPHDQVWRVDWLVI\\7HFKQLFDO6SHFLILFDWLRQ$FWLRQ6WDWHPHQW 76$6 $DQG$

On November 21, 2023, at 1043WKH clearance order to support maintenance on Transversing In-Core Probe (TIP) squib valves TIP-V-7 and TIP-V-8 was lifted prior to completion of the required post maintenance testing (PMT). 7KLVZDV

GLVFRYHUHGE\\WKHRQFRPLQJ2SHUDWLRQV6KLIWRQ1RYHPEHUThese valves function as one means of primary containment [N+] isolation of the TIP guide tubes. The final 3MT was completed DQGWKHV\\VWHPZDVGHFODUHGRSHUDEOH

on November 22, 2023 at 0921 $UHYLHZRI7,3JXLGHWXEHV\\VWHPSDUDPHWHUVGXULQJWKHSHULRGDGPLQLVWUDWLYHFRQWURO

ZDVQRWPDLQWDLQHGFRQILUPVQRORVVRIFRQWDLQPHQWLVRODWLRQ

7KH5HTXLUHG$FWLRQVRI7HFKQLFDO6SHFLILFDWLRQ 76 $ZHUHLQHIIHFWLYHO\\LPSOHPHQWHGWRHQVXUHSHQHWUDWLRQ

IORZSDWKLVRODWLRQIRUDSHULRGRIKRXUVDQGPLQXWHVZKLFKLQLWLDWHV5HTXLUHG$FWLRQ(WREHLQ0RGHZLWKLQ

KRXUV

Reportability

This event is reportable as an Operation or Condition Prohibited by TS 10 CFR 50.73(a)(2)(i)(B)

Cause

7KHHYHQWZDVGHWHUPLQHGWREHFDXVHGE\\

7KHFDXVHRIWKHHYHQWZDVGHWHUPLQHGWREH2SHUDWLRQV&UHZVGLGQRWHIIHFWLYHO\\XVHHVWDEOLVKHGSURFHGXUHJXLGDQFH

DQGIRUPVZKHQGHWHUPLQLQJDQGWUDFNLQJSRVWPDLQWHQDQFHWHVWLQJUHTXLUHPHQWVWRUHVWRUHRSHUDELOLW\\RI76UHODWHG

FRPSRQHQWV

&RUUHFWLYH$FWLRQV7DNHQ

&RDFKLQJRI&RQWURO5RRP6XSHUYLVRU

&RPPXQLFDWLRQRI2SHUDWLRQDO([SHULHQFHDQG/HVVRQV/HDUQHGWR&UHZV5HYLVLRQRI6WDQGDUG&OHDUDQFH2UGHUDQG

&RQGXFWHGDQ([WHQWRI&RQGLWLRQ(YDOXDWLRQ 6DIHW\\6LJQLILFDQFH7KHLQWHJULW\\RIWKH7,3JXLGHSDWKSHQHWUDWLRQZDVFRQILUPHGIRUWKHSHULRGDGPLQLVWUDWLYHFRQWURO

ZDVQRWPDLQWDLQHG7KHUHZDVQRORVVRIVDIHW\\IXQFWLRQ

3UHYLRXVO\\6LPLODU(YHQWV

1RQH,GHQWLILHG Columbia Generating Station 397 2024 0001 00





 

    



!"  

    

/~*J>'

"'*",.,\\

i

<--+_,

~o" I

I~

I I I I D

Retrieved from "https://kanterella.com/w/index.php?title=05000397/LER-2024-001,_Failure_to_Track_Operability_of_Requirements_of_Transversing_In-Core_Probe_Valves&oldid=3763828"