ML17261A558

Responds to Violations Noted in 870610 Insp Rept 50-244/87-03.Corrective Actions:Addl Positive Sealing Provided at detector/connector-cable Interface for Victoreen high-range Radiation Monitor

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:

A.10CFR50.49(f)

requiresthatgualification

ofeachcomponent

bebasedontestingorexperience

withidentical

equipment

orwithsimilarequipment

withasupporting

analysistoshowthattheequipment

tobequalified

isacceptable.

10CFR50.49(k)

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

Penetration

(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

penetrations<

andtheGeneralCableCorporation

PVCcables>werefullyenvironmentally

qualified

inaccordance

withtheDORGuidelines

andlOCFR50.49>

inordertoperformtheirrequiredfunctions.

InthecaseoftheCrouse-Hinds

penetrations>

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

penetrations

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

B:"10CFR50.49(f)

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.