ML17309A896
| ML17309A896 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie |
| Issue date: | 06/11/1997 |
| From: | CHEM-NUCLEAR SYSTEMS, INC. |
| To: | |
| Shared Package | |
| ML17229A389 | List: |
| References | |
| ST-257, ST-257-R, ST-257-R00, NUDOCS 9706270134 | |
| Download: ML17309A896 (27) | |
Text
CHEM-NUCLEAR SYSTEMS,INC.140STONERIDGE DRIVECOLUMBIA, S.C.29210DESIGNDOCUMENTCOVERSHEETDOCUMENTIDNUMBER:ST-257PROJECTNUMBER'6621 REVISIONNUMBER:0SECURITYSTATUS'ROPRIETARY NON-PROPRIETARY xPERIOD:LifeoftheProect+1earTITLE:Structural Evaluation oftheSt.LucieS.G.PackaeNon-ProrietaPREPAREDBY:DATE:6/10/97TITLE:PrincialEnineerREVIEWEDBY:DATE:TITLE:SeniorPro'ectEnineerREVISIONNOTES:Received8.DocumentatedFrom:Verification toIndexBy:StorageShelfLocation; DOCTCONTROLloDate;4deTo:-'K-5'ate:
9706270%34 9706%'UPPDRADOCK05000335PPDR CHEM-NUCLEAR SYSTEMS,INC.140STONERIDGE DRIVECOLUMBIA, S.C.29210DESIGNDOCUMENTREVIEWCHECKLIST DesignPackageIdentification NoST-257Date6/10/97RevisionNo.ITEMYESN/A1.ADesignInputssuchasdesignbases,regulatory requirements, codes,andstandards areidentified anddocumented.
1.8Effectofdesignpackageoncompliance withtheSafetyAnalysisReportorCertificate ofCompliance identified anddocumented.
2.Revisionnumberscorrectonthelistofdrawings?
3.Assumptions reasonable?
4:Appropriate analysismethodused?5.Correctvaluesusedfromdrawings?
6.Answersandunitscorrect?7.Summaryofresultsmatchescalculations?
8.Materialproperties properlytakenfromcrediblereferences?
9,Figuresmatchdesigndrawings?
10.Computerinputcompleteandproperlyidentified?
11.Documentation ofallhandcalculations attached?
12.MeetingminutesoftheDesignReview?'otApplicable, Explain1.8-Thisdesignpackagewillbesubmitted toobtainexemption fortheSaintLucieSteamGenerator Packageasitprovidesequivalent safetytothatofDOTIP-2Packages.
2,5Through8,10,11-DetailsarepartoftheProprietary DocumentandareincludedintheDesignPackageST-255.12-Nodesignreviewmeetingisneeded.Independent Reviewer
TitleStructural Evaluation oftheSt.LucieS.GPackae(Non-Pro rieiarvVersionCole.No.ST-257Rev.0Sheetlofl0Introduction FloridaPower&Light(FPAL)Companywillbereplacing thesteamgenerators attheirSt.LucieUnit1facility.
Theoldsteamgenerators (OSGs)willbetransported toBarnwellSouthCarolinafordisposal.
Thesteamgenerators willbetransported underDOTexemption asalternatively packagedradioactive materialthatprovideequivalent safetytothatofDOTIP-2packages.
TheseIP-2packagesarerequiredby49CFR173.411tomeetthegeneralrequirements of49CFR173.410andmustpreventlossordispersal ofradioactive contentsorsignificant increases intheexternalradiation doserateswhensubjected tothetestsprescribed in49CFR173.465(c)and(d),namely,1-footdropandcompression tests.The1-footdroptestrequiresthatthepackagebedroppedinthemostvulnerable orientation sothatthemaximumdamageiscaused.Thespecialprocedures usedtohandlethesteamgenerators duringtransportation providesignificant increases insafetyoveruncontrolled shipments, andprovidecontrolstopreventthesteamgenerators frombeingdroppedinanarbitrary orientation.
Fromthetimethepackagesarereadyforshipmenttothetimetheyarriveintheburialtrenchtheyarepermanently tiedtoapairofsaddles.Eachsaddleisboltedtoamassiveframewhich,inturn,issecuredtoaselfpropelled modulartransporter (seeFigure1fora.schematic ofthetie-down).
Thesteamgenerators areraisedandloweredonthecribbingusingthese&ames.Duringthisoperation theassemblyisraisedbyonlyafewinchesabovethesupportpoints.Therefore, theonlyprobabledropthatcouldoccurisadropoftheassemblybyafewinchesoverthecribbing-pile.
BecauseoftheQexibility ofthesupport-kame andthecribbingpileinvolvedinthisdrop,suchadropwillhaveaminoreffectonthesteamgenerator.
Amuchmoreseveredrophasbeenpostulated foranalyzing thesteamgenerator forthecompliance withtheregulatory requirement.
Inthisscenario, thesteamgenerator isdroppedonarigidsurfacefromaheightof1-footintheorientation itistransported.
Sincethediameteroftheprimarysideofthesteamgenerators issmallerthanthatofthesecondary-side, suchadropwouldresultinaninitialimpactonthesecondary sideand-asecondimpact(slap-down) ontheprimarysideofthesegenerators.
Itshouldbenotedthatforthetransportation, thesteamgenerators arerotatedinsuch'awaythatalltheirprotrusions arewellaboveanimaginary horizontal planedrawnatthebottomofthesteamgenerator (Figures2and3).Table1listsalltheprotrusions andtheircircumferential orientation fromaverticalplanepointingdownwards.
Thus,forthepostulated 1-footdrop,noneoftheprotrusions onthesteamgenerator wouldimpacttherigidsurface.Theprotrusion closesttotheimpactpointare,(1)thesecondary manway,and,(2)theprimaryinletnozzle.Thelowestpointofthesecondary manwayis4.52"abovethehorizontal plane(seeFigure4)andthatoftheprimaryinletnozzleis2.68"abovethehorizontal plane(seeFigure5).Theanalysisperformed tocomplytheregulatory requirement of1-footdropofthepackageonanunyielding surfaceshowsthatduetosuchadrop, e
TitleStructural Evaluation oftheSt.LucieS.GPackaeon-ProrietarvVersionCele.No.ST-257Rev.0Sheet2of10(1)Thestressesinthepackagedonotexceedtheallowable stresses.
Theallowable stressesareestablished basedonNRCRegulatory Guide7.6.Accordingly, theextremefiberstressontheshelldoesnotexceedtheultimatestrengthofthematerialandtheaveragestressoverthecross-section doesnotexceed70%oftheUltimatestrengthofthematerial.
(2)Duetothedeceleration experienced bythepackageduringthedrop,allthecapsandplugsofthenozzlesmaintaintheirsealing.ThestressesinthecapsandplugweldsarelimitedtotheAISCallowable values.(3)Thedeformation ofthepackagewouldnotbesufficient to'causeanyoftheprotrusions toimpacttheunyielding surface.Thecompression test,whichisrequiredtosimulatethelodingonthepackagewhentheyarestackedontopofanother,isnotapplicable fortheshipmentofthesteamgenerators becausethegenerators wouldbeshippedseparately andnoothercomponent isstackedontopofthesegenerators duringtheshipment.
AnalsisMethodolo Figure6showsthescenariousedinthedropanalysisofthesteamgenerator package.Thelowestpointofthepackage,i.e.,thesecondary shell,islocated1footabovetheunyielding surface.Thepackageisassumedtobehorizontal inorderthattheprimaryshellislocatedfarthestfromthesurface(conservative).
Thepackageisdropped&omthisorientation.
Thefirstimpacttakesplaceonthesecondary shell.Subsequently, becauseofthelocationofthecenterofgravityintheprimaryendofthesteamgenerator, theprimarysiderotatesaboutthetransition coneedgeandaslap-down takesplace.Theanalysescoverboththeprimaryandsecondary impacts.Theanalysisisperformed usingANSYSfiniteelementcomputerprogram.Thesteamgenerator ismodeledbytwo-dimensional beamelementsthatappropriately represent theareaandthemomentofinertiaofthesteamgenerator alongitslength.Theunyielding surfaceismodeledbyrigidsurfacesthatarecapableofreactingonlythecompressive load.ThelocalQexibility ofthesteamgenerator shellisincludedinthemodeland5%structural dampingisusedintheanalyses.
Themodelisanalyzedusingthelineartransient (time-history) optionofANSYSprogram.Thedisplacem'ent,
- velocity, acceleration andreactionforcetime-history ateachnodeofthemodelareobtainedfortheinitialandsecondary impactofthesteamgenerator withtherigidsurface.Themaximumacceleration isestablished Romthelargestacceleration ofthesetime-histories.
Thelargestdeformation atanappropriate nodeisusedtoestablish whethertheprotrusions nearesttotherigidsurfacewouldcomeincontactwithitornot.Thelargestreactionforcesintheintheprimaryandsecondary shellsareusedinseparatelinearfiniteelementmodelstoobtainthestressesinthesteamgenerator.
Thelargest TitleStructural Evaluation oftheSt.LucieSGPackaeon-ProrietarvVersionCalc.No.ST-257Rev.0Sheet3ofl0acceleration valueisusedwiththemassofthecapsandplugstoevaluatetheweldstresses.
Althoughitisshownthatnoneoftheprotrusions wouldmakeacontactwiththerigidsurface,theprotrusions closesttotherigidsurface(primaryoutletnozzleandsecondary manway)areanalyzedforthestressesunderthemaximumreactionforceobtainedfromthebeamfiniteelementmodel,described intheaboveparagraph.
ResultsTheresultsoftheanalysisshowthatthe'stresses inthesteamgenerator underl-footdroponarigidunyielding surface,arewithintheallowable values,thecapandplugweldsmaintaintheirintegrity, andthedeformation atthepointofimpactsissuchthatnoneoftheprotrusions makeacontactwiththerigidsurface.
TitleStructural Evaluation oftheSt.LucieS.G.Packaeon-ProrietarvVersion)Calc.No.ST-257Rev.0Sheet4of10Table1-LocationoftheProtrusions ontheSt.LucieSteamGenerators Protrusion Circumferntial Location&omtheBottom(Degrees)
PrimaryInletNozzle-52PrimaryOutletNozzleNo.1PrimaryOutletNozzleNo.283173HandholeNo.1HandholeNo.2128-142PrimaryManwayNo.1PrimaryManwayNo.2128-119.5Feedwater NozzleSecondary ManwayNo.1128Secondary ManwayNo.2SteamOutletNozzle-14290SupportSkirtBottomBlow-Down Nozzle90.-142 TitleStructural Evaluation oftheSt.LucieS.G.Packaeon-ProrietarvVersion)Cale.No.ST-257Rev.0Sheet5of10i.O00Cfl0(L0ILalI0Q.Vl00l0'0ClcaQ.0Q.0C00Figure1-St.LucieSteamGenerators
-Tie-DownSchematic Diagram TitleStructural Evaluation oftheSt.LucieS.G.Packaeion-ProrietarvVersionsCala.No.ST-257Rav.0Sheet6of10Figure2-St.LucieSteamGenerators
-Isometric View TitleStructural Evaluation oftheSt.LucieS.GPackae'on-prorietarvVersionCalc.No.ST-257Rev.0-'heet7of10Seeanaary ManwayIHananotePrmaryOutletceonahaIePrirncryManway<eedwater NozzlePrimaryinlet38i/PrimaryMonwayPrimaryOutletSecondary MonwoyHorizontal PlanePrimarySideHorizontal PloneSecondary SideFigure3-Orientation ofSteamGenerator Protrusions TitleStructural Evaluation oftheSt.LucieS.G.Packaeion-ProrietarvVersionCale.Ne.ST-257Rev.0Sheet8of10Figure4-LowestProtrusion ontheSecondary Side TitleStructural Evaluatiori oftheSt.LucieS,G.Packaeion-ProrietarvVersionCalc.No.ST-257Rev.0Sheet9of102.68"Figure5-LocationofthePrimaryInletNozzleabovetheRigidSurface
TitleStructural Evaluation oftheSt.LucieS.G.PackaeCNon-ProrietarvVersion)Calc.No.ST-257Rev.0Sheet10of10~~~~~Figure6-SteamGenerator 1-FootDropScenarios I
Attachment 5SteamGeneratot'ransportation GeneralArrangement DrawingsC-110-B-4662-003 Sheet1;"St.LucieUnit1SteamGenerator CableTie-Down,"
Chem-NuclearSystems,Inc.C-110-B-4662-004 Sheets1to3;"St.LucieUnit1SteamGenerator GeneralAssembly,"
Chem-Nuclear Systems,Inc.
CABLEASSY.-1749CABLEASSY.-2821/2R.REF.1197/8R.REF.189.751-156.02880.75COMBINEDC.GI+-----1.7I471/2REF.1411/8REF.CABLEASSY.-ICABLEASSY.-255.1I87CTRTRL.0'0'0''00'111I/8FIEF.LAYOUTCABLELENGTHCTR.CRDL.SUPP.LENGTHOFCABLEASSY.RT"202CTR.CRDL.SUPP.164~78FORGEDSHACKLE.13/4NOM.SIZE,25TONWLL-IS-21368TURNBUCKLE, 21/2X24JAW84'YE.HG-227-8103245758WIREROPE,I3/8OIA.IWRC.EIPSXLENGTHASREO'0416THIMBLEFOR13/8"DIA.WIREROPE316SWAGEFITTINGFOR13/8"DIA.WIREROPE24CABLEASSEMBLYCROSBYOREO.CROSBYOREO.B30.9CROSBYOREO.CROSBYOREO.CABLEASSEMBLY-18c-2LENGTHOFCABLEASSY.;REQ'D.14CABLEASSEMBLYITEMOTYDESCRIPTION BILLOFMATERIALS SPEC.ANO/ORPARINo.ASSY.-1:6197/8-(16+537/8")=550"(45'-10")
ASSY.-2:4917/8"-(16"+537/8")~422"(35'-2")GENERALNOTES:USE21/2X24,JAWCcEYETURNBUCKLE, ONE(1)EACHENDOFCABLEASSY.LENGTHFULLYEXTENDED:
75.8"LENGTHFULLYCLOSED:51.8MAX.LENGTHOFTRAVEL:24"FIELDADJUSTMENT:
16"PROPRIETARY NON-PROPRIETARY FSCMNo.54643IHISDRAWINGISTHEPROPERTYOFCH[.M-NUCLEARSYSTEMSITISLOANEOUPON'IHECONDITION 1HATITISNOITOBEREPRODUCED.
COPIEOORLOANEOTOOTFiERSWITHOUTWRITTENPERMISSION OfCHEM-NUCLEAR SYSTEMSANDISTOBERETURNEDUPONREOUEST,DRAWNBYCHECKBR.BREHEN/6/gpENGINEERgDONOTSCALEPRINTDIMENSIONS AREININCHESUNLESSNOTEDPROJECTNo.57906FILEID.08900100REVIEWERS OFORIGINAL(REV.0)CHEM-NUCLEARSYSTEMSSIZEST.LUCiEUNIT>STEAMGENERATOR CABLETIE-DOWNDRAWINGNUMBERREVEIC-110-B-46621-003 0SCALEI/IOOWIN/ASHEETIOFIt5(z7QLZ v$IIEEIEIEEIlI'IEIIS QkeAmHeXeoRggm~mCar40198HX.NUT,13/4-5UNC.,FLATANDSPLITWASHERIg8HX.HDBOLT,I3/4-5UNCX3LG.A/RHX.NUT,1/2"-13UNC..FLATANDSPLITWASHERCOMMLA325COMML16A/RHX.HD.BOLT,I/2"-13UNCX3"LG.15A/RCLAMPPLATE,14ISHEARKEYBLOCKINGBEAMASSEMBLY13A/RSHIELDPLATES(LOWERFRAME)12A/RSHIELDPLATES(UPPERFRAME)1124LUGPLATES1048SHACKLE,13/4"DIA.STOCK,25TONWLL-G-213-1018277 924JAWANDJAWTURNBUCKLE.2X2481033054A325OWG.C-110-D-46976-100 DWG.C-110-D-46621-015 DWG.C-110-0-46621-014 OWG.C-110-0-46976-100 DWG.C-110-D-46976-500 CROSBYOREO.CROSBYOREO.8CABLETIEDOWN1PRIMARYCRADLEASSEMBLYSECONDARY CRADLEASSEMBLY1PERSONNAL BARRIERMAINSUPPORTFRAME(BASESECTION)2CRADLESUPPORTBEAM31PERSONNAL BARRIERENDSUPPORTFRAME(BASESECTION)21PERSONNAL BARRIERFRAME(MID.SECTION)1PERSONNAL BARRIERFRAME(UPPER)SECTION)ITEMOTYDESCRIPTION BILLOFMATERIALS OWG.C-'I10-0-46621-003 OWG.C-110-0-46621-013 OWG.C-110-D-46621-012 DWG.C-110-0-46621-009 OWG.C-110-0-46621-009 8OWG.C-I10-0-46621-006 OWG.C-110-0-46621-007 OWG.C-I10-0-4662 1-005SPEC.AtID/ORPARItto.DONOTSCALEPRINTPROPRIETARY gOgPROPRIETARY DIMENSIONS AREININCHESUNLESSNOTEDPROJECTNo.57906FILEID.08910100THISDRAWINGISTHEPROPERTYOFCHEM-NUCLEAR SYSTEMSITISLOANEDUPON1HECONDITION THATl1ISNOITOBEREPRODUCED.
COPIEOORLOANEOTOOTHERSWITHOUTWRITTENPERMISSIOti OfCHEM-NUCLEAR SYSTEMSANOISTOBERETURNEDUPONREOVESI.DRAWNBYCHEYENGINEERR.BREHEN6/97</~/rt4/c/tgFSCMNp54643REVIEWERS OFORIGINAL(REv.'0)CHEM-NUCLEARSYSTEMSST.LUCIEUNIT1STEAMGENERATOR GENERALASSEMBLYSQEDRAWitlOIIUVBEPRLvC-110-B-46621-004 QSCALEI/100W:N/ASitTEIIOr l$IIi/I 3.00REF.15Q16Q1712B12~28l88REF.26'-2~REF.701/40'0'00000'5616'-1013-8-874CTR.OFTRAILER29'-101/4SIDEVIEW19Q18BVIEWB-BARS'tIECAPmr'VzeCARD4'-26'-4"REF.45'4-6"CRIBBING16'-2"BYOTHERS33'-IO1/2"48'BARGE)
VIEWA-A(SHT.3oF3)9Q011PROPRIETARY NON-PROPRIETARY FSCIvINo.54643THIS'ORAWINGISTHEPROPERTYOFCHEM-NUCLEAR SYSTEMSIT6LOAAEOUPONTHECONOITION THATITISNOTTOB.REPROOUCEO.
COPIEOORLOANEOTOOTHERSWITHOUTWRITTENPERMISSION OFCHEh1-NUCLEAR SYSTEMSANOIS,TOBERETURNEOUPONREOUEST.DONOTSCALEPRINT:DIMENSIONS AREININCHESUNLESSNOTEDPROJECTNo.57906FiLEiO.08910200REVIEWERS OFORIGINAL(REV.0)ST.LUCIEUNIT1STEAMGENERATOR GENERALASSEMBLYDRAWNBYR.BREHENCHEC~YSiZEORAWINGtiUMBERREVENGINEER0fJI~C/C/27BC-110-B-46621-004 0I/100wlN/ASHED2Of'CALE,"CHEM-NUCLEARSYSTEMS
)(jJIPI=l'1qltI0 (X)TOCTR.OFTRAILER200'-0LENGTHOF'ARGEI~LW.20'LIIIII=-1IIII'6'017'-CTR.LINE6REFBARGE/TRAILER 33'-101/224'-016-111/4"5'-3"10'-91/4"1-11/2TYP.CTR.LINETRAILER7'-71/4"5'-35'-31/2BARGEDECK-PLANVIEWPROPRIETARY DONOTSCALEPRINTCHEM-NUCLEARSYSTEMSNON-PROPRIETARY DIMENSIONS AREINLNCHESUNLESSNPTEOPR(DIECTNo.57906FILEID.08910300THISDRAWINGISTHEPROPERTYOfCHEM-NUCLEAR SYSTEMSITISLOANEOUPONTHECONDITION THATITISNOTTOBEREPRODVCEO.
COPIEOORLOANEOTOOTHERSWITHOUTWRITTENPERMISSION OfCHEM-NUCLEAR SYSTEMSANDIS10BERETURNEDUPONREOVEST.DRAWNBYR.BREHENCHECKEDYrENGINEER/14/97C/C/t7FSCMgp54.6/3REVIEWERS OFORIGINAL(REV.,O)SIZEST.LUCIEUNIT1STEAMGENERATOR GENERALASSEMBLYORAWlNGtIUAIBERlhwz7oI5-GREVBC-110-B-46621-004 0SCALEI/I00vnu/AsuEET5Or3 AiI Attachment 6Preliminary WasteCharacterization I