05000397/LER-2024-001, 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) | |
| Event date: | |
|---|---|
| Report date: | |
| Reporting criterion: | 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications |
| 3972024001R00 - NRC Website | |
text
! "
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:
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,
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
! "
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
&ROXPELD*HQHUDWLQJ6WDWLRQ @ 2)
7LWOH
)DLOXUHWR7UDFN2SHUDELOLW\\5HTXLUHPHQWVRI7UDQVYHUVLQJ,Q &RUH3UREH9DOYHV
(YHQW'DWH /(51XPEHU 5HSRUW'DWH 2WKHU)DFLOLWLHV,QYROYHG
0RQWK 'D\\ <HDU <HDU 6HTXHQWLDO 5HYLVLRQ 0RQWK 'D\\ <HDU )DFLOLW\\1DPH 'RFNHW1XPEHU 1XPEHU 1R 1 $ 1 $
1222024)DFLOLW\\1DPH 'RFNHW1XPEHU 1 $ 1 $
2SHUDWLQJ0RGH 3RZHU/HYHO
I
7KLV5HSRUWLV6XEPLWWHG3XUVXDQWWRWKH5HTXLUHPHQWVRI &)5 (Check all that apply)
&)53DUW D YL &)53DUW D LL$ D YLLL$ D
E D L F L$ D LL% D YLLL% E
D D F D LY$ D [ G
D L &)53DUW D LL D Y$ &)53DUW H
D LL F J D Y% D I
D LLL D L$ D Y& D L J
D LYO D L% D Y' D LL K
D Y D L& D YLL 27+(56SHFLI\\KHUH LQDEVWUDFW RU15& $
/LFHQVHH&RQWDFWIRUWKLV/(5
/LFHQVHH&RQWDFW 3KRQH1XPEHU,QFOXGHDUHDFRGH 9DOHULH/DJHQ 3ULQFLSDO/LFHQVLQJ(QJLQHHU
&RPSOHWH2QH/LQHIRUHDFK&RPSRQHQW)DLOXUH'HVFULEHGLQWKLV5HSRUW
&DXVH 6\\VWHP &RPSRQHQW 0DQXIDFWXUHU 5HSRUWDEOHWR,5,6 &DXVH 6\\VWHP &RPSRQHQW 0DQXIDFWXUHU 5HSRUWDEOHWR,5,6
6XSSOHPHQWDO5HSRUW([SHFWHG 0RQWK 'D\\ <HDU
([SHFWHG6XEPLVVLRQ'DWH O1R<HV,I\\HV FRPSOHWH ([SHFWHG6XEPLVVLRQ'DWH
$EVWUDFW/LPLWWR VSDFHV L H DSSUR[LPDWHO\\ VLQJOH VSDFHGW\\SHZULWWHQOLQHV 2Q1RYHPEHU DW &ROXPELD*HQHUDWLQJ6WDWLRQZDV LQ0RGH DW UHDFWRUSRZHUZKHQDFOHDUDQFHRUGHU WR VXSSRUWPDLQWHQDQFHRQ7UDQVYHUVLQJ,Q &RUH3UREH7,3VTXLEYDOYHV7,3 9 DQG7,3 9 >,69@ZDV OLIWHGSULRUWR
FRPSOHWLRQRIWKHUHTXLUHGSRVWPDLQWHQDQFHWHVWLQJ307 7KLVZDVGLVFRYHUHGE\\ WKHRQFRPLQJ2SHUDWLRQV6KLIW RQ
1RYHPEHU 7KHVHYDOYHVIXQFWLRQDVRQHPHDQV RISULPDU\\FRQWDLQPHQW >1+@LVRODWLRQ RIWKH7,3JXLGH WXEHV 7KH
ILQDO307ZDVFRPSOHWHGZLWKWKHV\\VWHPGHFODUHGRSHUDEOH RQ1RYHPEHU DW
7KH5HTXLUHG$FWLRQVRI7HFKQLFDO6SHFLILFDWLRQ76 $ZHUHLQHIIHFWLYHO\\LPSOHPHQWHGWRHQVXUHSHQHWUDWLRQIORZ
SDWKLVRODWLRQIRUDSHULRGRI KRXUVDQG PLQXWHVZKLFKLQLWLDWHV 5HTXLUHG$FWLRQ( WREHLQ0RGH ZLWKLQ KRXUV
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%UDQFK7 $ 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$7,9(
Plant Conditions
Mode 1, 100 percent power
Description of Events:
2Q 2SHUDWLQJ&UHZVKXQJFOHDUDQFH' 7,3 9 WRVXSSRUW:RUN2UGHU WRUHSODFHWKH
7UDQVYHUVLQJ,Q &RUH3UREH7,3VTXLEYDOYHVIRU7,3 9 DQG7,3 9 >,69@ /LPLWLQJFRQGLWLRQRIRSHUDWLRQ/&2
7UDFNLQJ6KHHWZDVRSHQHGWRWUDFNRSHUDELOLW\\DQGFRPSOLDQFHZLWK7HFKQLFDO6SHFLILFDWLRQ76 3ULPDU\\
&RQWDLQPHQW,VRODWLRQ9DOYHV 7,3 9 DQG ZHUHYHULILHGFORVHGDQGGHDFWLYDWHGSHUFOHDUDQFHRUGHU ZKLFKSURYLGHG
DGPLQLVWUDWLYHPHDQVWRVDWLVI\\7HFKQLFDO6SHFLILFDWLRQ$FWLRQ6WDWHPHQW76$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\\WKHRQFRPLQJ2SHUDWLRQV6KLIWRQ1RYHPEHU These 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 $UHYLHZRI7,3JXLGHWXEHV\\VWHPSDUDPHWHUVGXULQJWKHSHULRGDGPLQLVWUDWLYHFRQWURO
ZDVQRWPDLQWDLQHGFRQILUPVQRORVVRIFRQWDLQPHQWLVRODWLRQ
7KH5HTXLUHG$FWLRQVRI7HFKQLFDO6SHFLILFDWLRQ76 $ZHUHLQHIIHFWLYHO\\LPSOHPHQWHGWRHQVXUHSHQHWUDWLRQ
IORZSDWKLVRODWLRQIRUDSHULRGRI KRXUVDQG PLQXWHVZKLFKLQLWLDWHV5HTXLUHG$FWLRQ( WREHLQ0RGH ZLWKLQ
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&UHZV 5HYLVLRQRI6WDQGDUG&OHDUDQFH2UGHU DQG
&RQGXFWHGDQ([WHQWRI&RQGLWLRQ(YDOXDWLRQ
6DIHW\\6LJQLILFDQFH 7KHLQWHJULW\\RIWKH7,3JXLGHSDWKSHQHWUDWLRQZDVFRQILUPHGIRUWKHSHULRGDGPLQLVWUDWLYHFRQWURO
ZDVQRWPDLQWDLQHG 7KHUHZDVQRORVVRIVDIHW\\IXQFWLRQ
3UHYLRXVO\\6LPLODU(YHQWV
1RQH,GHQWLILHG
15&)250 $ 3DJH RI