ML21102A276

Thermal Property Typographical Error E-Mail

ML21102A276
Person / Time
Site:	07109798
Issue date:	04/05/2021
From:	Plate N US Dept of the Navy
To:	William Allen Storage and Transportation Licensing Branch
Chris Allen NMSS DFM STL 301 415 6877
References
Download: ML21102A276 (3)

Text

1 Allen, William From:

Plate, Nicholas S CIV USN NNPP (USA) <nicholas.plate@navy.mil>

Sent:

Monday, April 5, 2021 1:34 PM To:

Allen, William Cc:

Kampen, Jedidiah H CIV (USA)

Subject:

[External_Sender] RE: Nav D2g ThermalDiffusivityCompletedResponse:

Thereisatypographicalerrorforthestatedunitforthermaldiffusivity.Thestatedunitisft2/s.Theunitshouldstate ft2/hrinaccordancewiththeASMEBPVCreferencefromwherevaluesaresourced.Thetypographicalerroris applicabletoTableA2.22(sheets10,11,&12)andTableA31.However,thereisnotechnicalimpactsincethethermal diffusivityvalueswereappliedwiththecorrectunit(ft2/hr).TheonlySARPcalculationwhichappliesthermaldiffusivity valuesisonTableA31tocalculatethecorrespondingspecificheatforthematerials(seeNote3).Wewillcorrectthe typographicalerroronaroutinebasis.

Wecanprovideameetingsummary(similartoModel1corebarrelSARPmeetingsummary)inthenextdayortwoto capture/documentthediscussionaboveifyouneeditforyourSER-justletmeknowandIllgetthatballrolling.

Thanks, Nick

NuclearEngineer NavalReactors-ReactorServicingDivision 2027816034(work) 2026647388(cell)

From:Plate,NicholasSCIVUSNNNPP(USA)

Sent:Monday,April5,20219:31AM To:'William.Allen@nrc.gov'<William.Allen@nrc.gov>

Subject:

RE:NavD2g

ChrisThanksforpointingthisouttous.ThesubjectvaluesarereferencedfromtheASMEBPVC,asnotedinTable A2.22,withunitsofft2/hr.Itappearswehaveeditoriallabelerrorsforthesevaluesstatingft2/s,butwealsoneedto confirmthatwedidntincorrectlyapplythesevalues/unitsinanyoftheanalyses.Wellhaveacompleteresponseto youbylatertodayortomorrow,andthenwecandiscusshowtodocumentthecorrection.

Onaseparatetopic,IhavetheM140CoCrenewalrequestandassociatedSARPrevisionsreadyfordropoff.Pleaselet meknowadate/timethatworksbestforyou.

Thanks, Nick

NuclearEngineer NavalReactors-ReactorServicingDivision 2027816034(work) 2026647388(cell)

2

From:Allen,William<William.Allen@nrc.gov>

Sent:Saturday,April3,202110:34PM To:Plate,NicholasSCIVUSNNNPP(USA)<nicholas.plate@navy.mil>

Subject:

[NonDoDSource]FW:NavD2g

Nick,

Afterreviewingtheemailstringbelow,pleasereachouttothefolksinPittsburghanddetermineifthereisa typographicalerrorinSARTableA31.

Thanks,Chris

From:Ahn,Tae<Tae.Ahn@nrc.gov>

Sent:Tuesday,March30,202112:30PM To:Borowsky,Joseph<Joseph.Borowsky@nrc.gov>;Allen,William<William.Allen@nrc.gov>

Subject:

RE:NavD2g

I agree with you, Joe, with hour. Thanks.

From:Borowsky,Joseph<Joseph.Borowsky@nrc.gov>

Sent:Tuesday,March30,202112:08PM To:Ahn,Tae<Tae.Ahn@nrc.gov>;Allen,William<William.Allen@nrc.gov>

Subject:

RE:NavD2g

IputtheSARbackinthesafebeforeyousentyouremail.Letsjustsaythatametalsthermaldiffusivityisontheorder of0.5ft2/hr(accordingtomyreferencebooks).However,theSARtablewouldlistitas0.5ft2/sec.Ithinkitisatypo withtheunits.Theapplicantcanconfirmifthatisthecaseornot.

From:Ahn,Tae<Tae.Ahn@nrc.gov>

Sent:Tuesday,March30,202112:01PM To:Borowsky,Joseph<Joseph.Borowsky@nrc.gov>;Allen,William<William.Allen@nrc.gov>

Subject:

RE:NavD2g

Joe, if the thermal diffusivity is classified, I will go to NRC to confirm. If it is not classified, could you tell me that value to me? I guess you already confirmed it, pretty easily. Please let me know. Thanks. Tae From:Borowsky,Joseph<Joseph.Borowsky@nrc.gov>

Sent:Tuesday,March30,202111:53AM To:Allen,William<William.Allen@nrc.gov>

Cc:Ahn,Tae<Tae.Ahn@nrc.gov>

Subject:

NavD2g

HiChris,

ImessentiallyfinishedwithmySERfortheD2g,whichwaspreviouslycertified.Itappearsthereisanincorrectunitin TableA31forthermaldiffusivityofthemetals.Aspotcheckofthevalue(i.e.,thenumberinthetable)appearstobe reasonableiftheunitwaschangedtoaperhourbasis.InthematerialpropertysectionmySERcurrentlywilljustsay thatthepackagewaspreviouslyreviewed.However,inyourphonecallswiththeapplicantitmaybebesttoaskthemif

3 thereisatypoinSARTableA31forthethermaldiffusivityunit.Itappearsthatpropertywasnotexplicitlyusedinthe thermalanalyses.

Thanks.