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{{#Wiki_filter:INDIANALMICHIGANELECTRICCOMPANYP.O.BOX1880WLIN0OREENSTATIONNEWYORK,N.Y.10004DonaldC.CookNuclearPlantUnitsNo.1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR- | {{#Wiki_filter:INDIANALMICHIGANELECTRICCOMPANYP.O.BOX1880WLIN0OREENSTATIONNEWYORK,N.Y.10004DonaldC.CookNuclearPlantUnitsNo.1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74IEInspection | ||
ReportsNo.50-31'5/80-04 | |||
andNo.50-316/80-03 | |||
ResponsetoNoticeofViolation | |||
May30,1980AEP:NRC:00413 | |||
Mr.JamesG.Keppler,RegionalDirectorU.S.NuclearRegulatory | |||
Commission | |||
OfficeofInspection | |||
andEnforcement | |||
RegionIII799Roosevelt | |||
RoadGlenEllyn,Illinois60137DearMr.Keppler:TheAttachment | |||
tothis')etterisourresponsetotheNoticeofViolation | |||
citedinAppendixAtoMr.R.F.Heishman's | |||
letterofMay2,1980.OnMay23,1980ourDr.Castresana | |||
obtai.ned | |||
anextension | |||
totheduedateofthissubmittal | |||
untilMay30,1980fromyourMr.Heishman. | |||
Verytrulyyours,ohnE.DolanicePresident | |||
JED:dfsAttachment | |||
cc:R.C.CallenG.CharnoffRES.HunterR.M.Jurgensen | |||
D.V.Shaller-Bridgman2'980 | |||
gPer+ | gPer+ATTACHMENT | ||
TOAEP:NRC:00413 | |||
y<o>ation | |||
1Technical | |||
Specification | |||
6.8.1requiresimplementation | |||
ofprocedures,. | |||
12-0HP-4021.018.004 | |||
"Draining | |||
orAdjusting | |||
LevelintheSpentFuel.Pit"detailstheprocedure | |||
forraisinglevelintheSFP.'ontrarytotheabove,thisprocedure | |||
wasnotusedforincreasing | |||
lev'elintheSFPbetweenMarch15,1980andMarch17,1980,whenthepoolwasoverfilled | |||
andcross-contamination | |||
of'thedemineralized | |||
watersystemoccurred. | |||
~Resense:Duringthefuelstoragerackmodification, | |||
demineralized | |||
waterwasbeingusedatthespentfuelpitfortwopurposes: | |||
1)asasupplyofcleanwaterfordecontamination | |||
oftheoldracksbeingremoved,and2)asasourceofprimingwaterforavacuumpumpusedforcleaningthespentfuelpitfloor.Thedemineralized | |||
watersystemcontamination | |||
investigation | |||
revealedthatthecrosscontamination | |||
ofthedemineralized | |||
waterheaderoccurredthrough.thehoseconnection | |||
usedforthevacuumpumppriming:Theoneendofthehosewasfounddisconnected | |||
fromthevacuumpumpandthefreeendlefthangingsubmerged | |||
inthespentfuelpit.Itisbelievedthattheshutoffvalveatthedemineralized | |||
waterheaderhoseconnection | |||
hadbeenleftopen.Thiswouldpermitwatertoflowintothepitwheneverthedemineralized | |||
waterboosterpumpwasrunning.Theboosterpumpisrequiredtosupplywateratthiselevation. | |||
Whentheboosterpumpwasshutdown,thelowheaderpressurewould.permitwatertobesiphonedfromthespentfuelpitintothedemineralized | |||
waterheader.Thedailyspentfuelpitlevelreadingsshowagradualincreaseinleveluntilthespentfuelpitwasfoundoverflowing | |||
intothefueltransfercanal.Thelevelwasthenloweredinaccordance | |||
withapprovedprocedures. | |||
Duringthetimeleadinguptothecrosscontamination | |||
ofthedemineralized | |||
waterheaderandtheoverflowing | |||
ofthespentfuelpit,therewasnointentional | |||
actiontoraisethelevelinthespentfuelpitandtherefore | |||
thecitationforfailuretouseanapprovedprocedure | |||
forincreasing | |||
theleveldoesnotseemwarranted. | |||
*Itisfeltthattherootcauseforthisentireincident, | |||
theincreaseinspentfuelpitlevel,thedilutionoftheboronconcentration | |||
belowtherequiredminimum,andthecrosscontamination | |||
ofthedemineralized | |||
waterheader,canbeattributed | |||
toabreakdown | |||
inthecontroloftheactivities | |||
associated | |||
with/thespentfuelrackmodification. | |||
Positivestepshavebeentaken,asindicated | |||
below,topreventthere-occurrence | |||
ofasimilarevent. | |||
pctionsTakentoPreventRe- | pctionsTakentoPreventRe-Occurence | ||
Aprecaution | |||
hasbeenaddedtoProcedure | |||
12-0HP-4021-018.004 | |||
topreventtheuseofhosesformakingupwatertothespentfuelpit.2.3.Thedemineralized | |||
watervalvesinthevicinityofthespentfuelpithavebeenlockedclosedwithOperations | |||
Department | |||
padlocks. | |||
Thiswillassurenotification | |||
oftheoperators | |||
priortofutureuseofthesevalves.Checkvalveshavebeeninstalled | |||
atthedemineralized | |||
wateroutletsinthevicinityofthespentfuelpittopreventbackflowandcross-contamination | |||
ofthedemineralized | |||
watersystem.sControlshavebeenimposedontheuseof.demineralized | |||
waterfromLaboratories | |||
forhumanconsumption | |||
purposes. | |||
Violation | |||
2:Amendment | |||
832toNRCOperating | |||
LicenseNumberDPR-58and'mendment | |||
8]3toDPR-74requireaminimumof2000ppmBoronconcentration | |||
intheSpentFuelPitduringchangeout | |||
fromoldrackstonewhighdensityfuelstorage.racks.Contrarytotheabove,onMarch17,1980,theSFPconcentration | |||
wasfoundtobelessthan2000ppm(1954ppm).~Resense:Thedilutionofthespentfuelpitresultedfromtheun-intentional | |||
additionofwatertothespentfuelpitasdescribed | |||
inViolation | |||
1.Corrective | |||
actionswereimmediately | |||
initiated | |||
toincreaseboronconcentration | |||
togreaterthan2000ppmupondiscovery | |||
ofthelowconcentrati | |||
on.sActionsTakentoPreventRe-Occurence | |||
'hespecificrequirements | |||
ofAmendment | |||
832,toNRCOperating | |||
LicenseDPR-58andAmendment | |||
5'13toDPR-74,requiring | |||
aminimumof2000ppmboroninthespentfuelpit,nolongerexistsincethespentfuelstoragerackmodification | |||
'isnowcomplete. | |||
Theprevent)ve | |||
actionsdiscussed | |||
underViolation | |||
1applygenerically | |||
tothiscondition. | |||
JUN2~gap | |||
}} | }} | ||
Revision as of 08:04, 29 June 2018
| ML17326A700 | |
| Person / Time | |
|---|---|
| Site: | Cook |
| Issue date: | 05/30/1980 |
| From: | DOLAN J E INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG |
| To: | KEPPLER J G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML17326A701 | List: |
| References | |
| AEP:NRC:00413, AEP:NRC:413, NUDOCS 8007310284 | |
| Download: ML17326A700 (6) | |
See also: IR 05000315/1980004
Text
INDIANALMICHIGANELECTRICCOMPANYP.O.BOX1880WLIN0OREENSTATIONNEWYORK,N.Y.10004DonaldC.CookNuclearPlantUnitsNo.1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74IEInspection
ReportsNo.50-31'5/80-04
andNo.50-316/80-03
ResponsetoNoticeofViolation
May30,1980AEP:NRC:00413
Mr.JamesG.Keppler,RegionalDirectorU.S.NuclearRegulatory
Commission
OfficeofInspection
andEnforcement
RegionIII799Roosevelt
RoadGlenEllyn,Illinois60137DearMr.Keppler:TheAttachment
tothis')etterisourresponsetotheNoticeofViolation
citedinAppendixAtoMr.R.F.Heishman's
letterofMay2,1980.OnMay23,1980ourDr.Castresana
obtai.ned
anextension
totheduedateofthissubmittal
untilMay30,1980fromyourMr.Heishman.
Verytrulyyours,ohnE.DolanicePresident
JED:dfsAttachment
cc:R.C.CallenG.CharnoffRES.HunterR.M.Jurgensen
D.V.Shaller-Bridgman2'980
gPer+ATTACHMENT
TOAEP:NRC:00413
y<o>ation
1Technical
Specification
6.8.1requiresimplementation
ofprocedures,.
12-0HP-4021.018.004
"Draining
orAdjusting
LevelintheSpentFuel.Pit"detailstheprocedure
forraisinglevelintheSFP.'ontrarytotheabove,thisprocedure
wasnotusedforincreasing
lev'elintheSFPbetweenMarch15,1980andMarch17,1980,whenthepoolwasoverfilled
andcross-contamination
of'thedemineralized
watersystemoccurred.
~Resense:Duringthefuelstoragerackmodification,
demineralized
waterwasbeingusedatthespentfuelpitfortwopurposes:
1)asasupplyofcleanwaterfordecontamination
oftheoldracksbeingremoved,and2)asasourceofprimingwaterforavacuumpumpusedforcleaningthespentfuelpitfloor.Thedemineralized
watersystemcontamination
investigation
revealedthatthecrosscontamination
ofthedemineralized
waterheaderoccurredthrough.thehoseconnection
usedforthevacuumpumppriming:Theoneendofthehosewasfounddisconnected
fromthevacuumpumpandthefreeendlefthangingsubmerged
inthespentfuelpit.Itisbelievedthattheshutoffvalveatthedemineralized
waterheaderhoseconnection
hadbeenleftopen.Thiswouldpermitwatertoflowintothepitwheneverthedemineralized
waterboosterpumpwasrunning.Theboosterpumpisrequiredtosupplywateratthiselevation.
Whentheboosterpumpwasshutdown,thelowheaderpressurewould.permitwatertobesiphonedfromthespentfuelpitintothedemineralized
waterheader.Thedailyspentfuelpitlevelreadingsshowagradualincreaseinleveluntilthespentfuelpitwasfoundoverflowing
intothefueltransfercanal.Thelevelwasthenloweredinaccordance
withapprovedprocedures.
Duringthetimeleadinguptothecrosscontamination
ofthedemineralized
waterheaderandtheoverflowing
ofthespentfuelpit,therewasnointentional
actiontoraisethelevelinthespentfuelpitandtherefore
thecitationforfailuretouseanapprovedprocedure
forincreasing
theleveldoesnotseemwarranted.
- Itisfeltthattherootcauseforthisentireincident,
theincreaseinspentfuelpitlevel,thedilutionoftheboronconcentration
belowtherequiredminimum,andthecrosscontamination
ofthedemineralized
waterheader,canbeattributed
toabreakdown
inthecontroloftheactivities
associated
with/thespentfuelrackmodification.
Positivestepshavebeentaken,asindicated
below,topreventthere-occurrence
ofasimilarevent.
pctionsTakentoPreventRe-Occurence
Aprecaution
hasbeenaddedtoProcedure
12-0HP-4021-018.004
topreventtheuseofhosesformakingupwatertothespentfuelpit.2.3.Thedemineralized
watervalvesinthevicinityofthespentfuelpithavebeenlockedclosedwithOperations
Department
padlocks.
Thiswillassurenotification
oftheoperators
priortofutureuseofthesevalves.Checkvalveshavebeeninstalled
atthedemineralized
wateroutletsinthevicinityofthespentfuelpittopreventbackflowandcross-contamination
ofthedemineralized
watersystem.sControlshavebeenimposedontheuseof.demineralized
waterfromLaboratories
forhumanconsumption
purposes.
Violation
2:Amendment
832toNRCOperating
LicenseNumberDPR-58and'mendment
8]3toDPR-74requireaminimumof2000ppmBoronconcentration
intheSpentFuelPitduringchangeout
fromoldrackstonewhighdensityfuelstorage.racks.Contrarytotheabove,onMarch17,1980,theSFPconcentration
wasfoundtobelessthan2000ppm(1954ppm).~Resense:Thedilutionofthespentfuelpitresultedfromtheun-intentional
additionofwatertothespentfuelpitasdescribed
inViolation
1.Corrective
actionswereimmediately
initiated
toincreaseboronconcentration
togreaterthan2000ppmupondiscovery
ofthelowconcentrati
on.sActionsTakentoPreventRe-Occurence
'hespecificrequirements
ofAmendment
832,toNRCOperating
LicenseDPR-58andAmendment
5'13toDPR-74,requiring
aminimumof2000ppmboroninthespentfuelpit,nolongerexistsincethespentfuelstoragerackmodification
'isnowcomplete.
Theprevent)ve
actionsdiscussed
underViolation
1applygenerically
tothiscondition.
JUN2~gap