ML17261A558
| ML17261A558 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 07/09/1987 |
| From: | KOBER R W ROCHESTER GAS & ELECTRIC CORP. |
| To: | RUSSELL W T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| IEIN-86-053, IEIN-86-53, NUDOCS 8707250136 | |
| Download: ML17261A558 (12) | |
See also: IR 05000244/1987003
Text
REGULATORY
INFORMATION
DISTRIBUTIQN
SYSTEM(RIDSiACCESSION
NBR:8707250136
DOC.DATE:87/07/09NOTARIZED:
NOACIL:50244RobertEmmetGinnaNuclearPlantzUnititRochester
GAUTH.NAMEAUTHORAFFILIATION
OBERIR.W.Rochester
Gas4ElectricCorp.RECIP.NAMERECIPIENT
AFFILIATION
RUSSELIW.T.Region11OfficeofDirectorDOCKE105000244SUBJECT:RespondstoNRC870610ltrreviolations
notedinInspRept50-244/87-03.
Corrective
actions:addi
positivesealingprovidedatdetector/connector-cable
interface
forVictoreen
highrangeradiation
monitor.DISTRIBUTION
CODE:'IEOIDCOPIESRECEIVED:
LTRgENCLQSIZE:TITLE:General(50Dkt)-Insp
Rept/Notice
ofViolation
ResponseNOTES:LicenseExp.dateinaccordance
with10CFR2i2.109(9/19/72i.
05000244RECIPIENT
IDCODE/NAME
PD1-3PDCOPIESLTTRENCL1RECIPIENTID,CODE/NAME
STAHLEiCCQPI~SLTTRENCL2lNTERNAL:
AEODNRRMORISSEAUiDNRR/DREP/EPB
NRR/DRISDIRQELIEBERMANI
JILILE0111111~111111DEDRONRR/DOEADIP.NRR/DREP/RPB
NRR/PM*S/
ILRBOGC/HDS2RFSDEPYGI12111TERNAL:LPDRNSIC11iNRCPDR11TOTALNUMBEROFCOPIESREQUIRED:
LTTR20ENCL20
NA55tt'ROCHESTER
GASANDELECTRICCORPORATION
e89EASTAVENUE,ROCHESTER,
N.V.14649.0001
H5aTD!IC55455ROGERVAKOBERVICEPI5CSIDCITT
CI.CCTRIC
ORDD5ICTIDI5
TTI.K5'taDle5.
ARCACODETIO546.2700July9>1987Mr.WilliamT.RussellRegionalAdministrator
U.S.NuclearRegulatoiy.
Commission
Region1631ParkAvenueKxngofPrussia>PA19406Subject:Inspection
ReportNo.50-244/87-03
NoticeofViolations
R.E.GinnaNuclearPowerPlantDocketNo.50-244DearMr.Russell:ThisletterisinresponsetoInspection
Report50-244/87-03<
datedJune10<1987<transmitting
twonoticesofvxolation
'relative
to10CFR50.49.
TheRG6Epositiononthesenoticesofviolation>
including
(1)thecorrective
stepswhichhavebeentakenand'theresultsachieved<
(2)corrective
stepswhichwillbetakentoavoidfurtherviolations<
and(3)thedatewhenfullcompliance
willbeachievedi
isincludedintheAttachment.
AlthoughRG6Edoesnotconsiderthatanyinstalled
equipment
wasinviolation
of10CFR50.49>
asnotedintheAttachment<
RGGEhasenhancedthedocumentation
providedintheaffected10CFR50.49
files.Theadditional
sealing<equipment
testing>andanalysisperformed
byRGGEprovidesfurtherconfirmation
thatallrequirements
of10CFR50.495
including
documentation>
havebeenmet.Nofurthercorrective
actionsareconsidered
warranted.
Vrtrulyyours>RogerW.KoberAttachment
8707250i3b
870709PDRADOCK050002448PDR
ATTACHMENT
RGSEResponsetoNoticesofViolation
Concerning
lOCPR50.49
Inspection
50=244/87-03
NOTICEOPVIOLATION
A:"Asaresultoftheequipment
qualification
(EQ)inspection
ofFebruary9-13'987>
andinaccordance
withNRCEnforcement
Policy(10CFR-2,
AppendixC)ithefollowing
violations
wereidentified:
requiresthatgualification
ofeachcomponent
bebasedontestingorexperience
withidentical
equipment
orwithsimilarequipment
withasupporting
analysistoshowthattheequipment
tobequalified
isacceptable.
requires>
inpart<thatelectrical
equipment
neednotberequalified
ifitwaspreviously
requiredbytheCommission
tobequalified
inaccordance
withthe"Guideline
forEvaluating
Environmental
Qualification
ofClass1EElectrical
Equipment
inOperating
Reactors"
>(DORGuidelines).
Section5.2.2roftheDORGuidelines
reqpectively
requires>
inpart<thatthetypetestisonlyvalidforequipment
identical
xndesignandmaterialcohstructxon
tothetestspecimen<
andanydeviations
shouldbeevaluated.
Contrarytotheabove>duringtheEQinspection
onFebruary9-13>1987thelicenseehadnotestablished
similarity
or.thetestspecimenandtheinstalled
component
forthefollowing:
l.Theinstalled
Crouse-Hinds
Electrical
(Ref.paragraph
12.2>050-244/87-03-02
)2.TheGeneralCableCorporation's
PVCcableusedinaharshenvironment.
(Ref.12.4<050-244/87-03-03)"
RGSERESPONSE:
Asexplicitly
described
inRGSE'sMarch6>1987letterresponsetotheInspection
50-244/87-03
exitmeeting>thequalification
information
available
intheRGSE10CFR50.49
filesatthetimeoftheinspection
providedreasonable
assurance
thattheCrouse-Hinds
electrical
andtheGeneralCableCorporation
PVCcables>werefullyenvironmentally
qualified
inaccordance
withtheDORGuidelines
andlOCFR50.49>
inordertoperformtheirrequiredfunctions.
InthecaseoftheCrouse-Hinds
allofthematerials
ofconstruction
wereshowntobeequaltoorbetterthanthematerials
whichweretested>asdocumented
inEEQPackage58.InthecaseofthePVCcableiitwasshownthatminordeafferencesz,n
PVCformulations<
ascouldexistandstillmeetIPCEAS61-402standards>
werewellwithintheperformance
requirements
forthe"control-type"
applications
atGinnaStation.Therefore<
asstatedintheNarch6i1987letter>RGGEconsiders
thatnoviolation
of10CFR50.49
existedatthetime.oftheinspection.
However<RGGEhasmadeimprovements
tothefilesinordertoclarifythequalification
documentation
asfollows:a)Asnotedinparagraph
12.2oftheInspection
'Report>RGGEsubmitted
amoredetailedmaterial-by-material
analytical
comparison
ofthetestedpenetrations
andGinna'sCrouse-Hinds
inaletterd'atedNarch6<1987.Thiscomparison
hasbeenaddedtotheEEQPackage08files.Thisadditional
information<
whichaddresses
alloftheNRCconcernsexpressed
duringtheinspection>
providesthecorrective
actiontakenbyRGGE.ItshouldbenotedthatNRCcommentsinSection12.2oftheInspection
Report>relativetoconsideration
ofhumidityandnitrogengaseffectsontheinternalpenetration
materials
werenotbroughtupduringtheinspection.
Nonetheless<
theseissuescanberesolvedas.notedbelow:(1)Thequalification
testdocumentation
inthefilesdemonstrated
materialqualification
usinghighlyconductive
boilersteam.Thistestingenvelopes
thenotedhumidityconcerns(2)Nitrogenisaninertgas>whichinthisaoplication
excludesoxygenand>therefore,
suppresses
degradation
fromnormalaging(oxidation)
effects.Testinginanairatmosphere
(78%nitrogen)
is,conservative.
Noadditional
corrective
actionisnecessary>
sincetheEEQPackage08filesnowincludealloftheexplanatory
materials
comparison
analysisdeemednecessary
bytheNRC.b)Asnotedinparagraph
12.4oftheInspection
Reportsaconfirmatory
testofthespecificPVCcablesusedin10CFR50.49
applications
incontainment
atGinnaStationwascompleted
asofFebruary12~1987.Thistest>whichconfirmed
thesuitability
oftheinstalled
cable<hasbeenincorporated
intotheEEQPackage544files.Noadditional
corrective
actionisconsidered
necessary.
NOTICEOFVIOKATION
requiresthatqualification
ofeachcomponent
bebasedontestingorexperience
withidentical
equipment
orwithsimilarequipment
withasupporting
analysistoshowthattheequipment
tobequalified
isacceptable.
Contrarytotheabove>duringtheEQinspection
onFebruary9-.13>1987<thelicenseehadnotprovidedsupporting
documentation
toestablish
qualification
ofthefollowing:
0
1.Theinstalled
Victoreen
HighRangeconnector/detector
environmental
RaychemHeatShrinkTubingoverenvironment.
(Ref.paragraph
12.7fRadiation
Monitor's
cable/sealconfiguration
usingmetalsurfacesintheharsh.050-244/87-03-05)
2Deviation
fromRaychemrequirements
forHeatShrinktubespliceminimumseallengthandminimumbendradius.(Ref.paragraph
12.6g050-244/87-03-06)
3.Effectsofinsulation
resistance
changesandinstrument
accuracyforcircuitsusingColemancable.(Ref.paragraph
12.5p050-244/87-03-04)"
RG&EPOSITIONS:
l.Victoreen
HighRangeRadiation
MonitorAsnotedinEnclosure
1toRG&E'sMarch6,1987letterconcerning
Inspection
50-244/87-03<
RG&Edidaddressalloftheleakagepathfailuremechanisms
determined
intheVictoreen
Qualxfication
TestReport950.301.ThefinalVictoreen
assemblywhichpassedtheLOCAtestdidnotprovideasealattheinterface
beingquestioned,
at.thebaseofthedetector/connector-cable
interface
(SeeVictoreen
TestReport950.301,PageVI-45<Photograph
YI-24,whichwasreproduced
asAttachment
10toEnclosure
1ofRG&E'sMarch6>1987responselettertoInspection
87-03).Therefore>
RG&Ehasconcluded
thattheconfiguration
installed
atthetimeoftheinspection
wasfullyenvironmentally
qualified.
ItshouldbenotedthataRaychemheatshrinktubewasshowntoformanenvironmentally
qualifxed
sealwheninstalled
overametalsurface>asdocumented
inReference
3.b.l>FigureIV-1>ofEEQPackage636.RG&Edid>however<provideadditional
sealing<priortoMarch6>1987consisting
ofRTV7403<atthedetector/connector-cable
interface>
toprovideadditional
positivesealing.Thissealarrangement
isvirtually
identical
totheconfiguration
demonstrated
tobequalifie'd
inEEQPackageN36>Reference
3.b.3.Thedocumentation
relativetotheacceptability
ofthepresently-installed
configuration
hasbeenadded,totheEEQPackageN36files.RG&Edoesnotconsiderthatanyadditional
corrective
'actioniswarranted.
2.RaychemMinimumSealLengthandBendRadiusAsstatedinEnclosure
5ofRG&E's3/6/87letterconcerning
Inspection
50-244/87-03<
RG&Edoesnotbelie'vethattheRG&Einstallations
wereviolations
of10CFR50.49.
ThespecifiedRaychembendradiusandoverlapspecificatxons
wereconsidered
recommendations<
notrequirements.
BasedonRG&Eexperience
withsimilarconfigurations<
RG&Ewasconfident
thattheinstalled
configurations
wereacceptable.
BasedonIEIN86-53>RG&Ewasmadeawareofindustry-wide
concernwiththeserecommendationsi
0
andpromptlyinitiated
aplanforactualLOCAqualification
testing.Asexpected<
thetestresultswereacceptable.
Thesequalification
reportshavebeenincoroorated
intoEEQPackage512files.Itisnotconsidered
thatanyadditional
corrective
actioniswarranted.
3.ColemanCableInsulation
Resistance
AsnotedinEnclosure
3toRG&E'sMarch6>1987letterrelativetoInspection
50-244/87-03<
RGSEconsidered
thatthecombination
oftestingandmaterials
analysisinPackage513providedreasonable
assurance
thatthe,cablewouldbeabletoperformitsrequiredfunction.
Thisconclusion
wasalsoreachedbytheNRCandFRCinFRCTERC5257-454.
Nonetheless~
RGGEperformed
additional
confirmatory
testing<including
measurements
ofleakagecurrent<whichdemonstrated
performance
suit'able
forinstrumentation
circuitsduringDBEconditions.
ThistestreporthasbeenincludedinRGSE'sEEQPackageN13.Noadditional
corrective
actionisconsidered
necessary.