SECTION10270PART1--WORKThisSectionspecifiestherequirementsnecessarytofurnishandPedestalfloorsupportforstringerframingRemovablefloorpanels,notedas‘CAF’ontheRELATEDUsethisSectiononjunctionwiththefollowingotherspecificationsandrelated stoestablishthetotalrequirementsforaccessflooring:TheDivision1sectionsludedintheprojectDrawings:ExtentandinstallationCAUTION:UseofthisSectionwithoutludingtheabove-listeditemsresultsinomissionofbasicrequirements.SYSTEMElevatedpedestalandstringerframegridwithrigidfloorCISCA(CeilingandInteriorSystemsConstructionAssociation): TestProceduresforAccessFloors.DESIGNFloorsystemcomponentcapacitiesshallbeverifiedbyengineeringcalculationsbearingthesealofaprofessionalengineerrecognizedbytheAuthorityHavingJurisdictionorbyproject-specifictestingperformedunderthedirectionofaprofessionalengineerrecognizedbytheAuthorityHavingJurisdiction.Testsshallaccountforvariationsinmaterialpropertiesbetweenactualcomponentstestedandminimumpermittedmaterialproperties.DesignLoadsasdefined mendedTestProceduresforAccessCompletedsystemofpanelsonstringerandpedestalsystemtosupport,withoutpermanentdeformation:DesignLoad:1361kilograms(3000pounds)appliedto645squaremillimeters(1squareh).Rollingload,10passes:1225kilograms(2700Rollingload,10,000passes:189kilograms(2400Impactload:91kilograms(200UltimateStrengthofAll2timesthedesignloadwithoutfailureforpedestals,panels,and2.5timesthedesignloadwithoutfailureforfloorsystemSeismicLoad:asnotedinSection01001,ProjectSiteDesignWarrantyshallbeforaminimumperiodof5yearsdefectsinmaterialand/orworkmanship.Completedinstallationshallbewarrantedjointlyandseverallyona bythematerialsmanufacturerandinstallerdefectsofmaterialsandworkmanshipasdefinedonthewarranty.QUALITYInstallerQualifications:EngageaninstallerIsacceptabletoaccessflooringHassuccessfullycompletedwithinthelast3yearsatleastthreeaccessflooringinstallationssimilarintypeandsizetothatofthisproject.Willassignmechanicsfromtheseearlierinstallationstothisproject,ofwhichonewillserveasleadmechanic.CoordinateworkwithsubfloorworkandutilitiesasScheduleworktocommenceaftersubfloorfinishhasPreinstallationConference:PriortoinstallationofaccessflooringandatContractor'sdirection,meetattheprojectsitetoreviewmaterialselections,applicationprocedures,andcoordinationofworkwithothertrades.MeetingshallludeOwner,Engineer,Contractor,installer,componentmanufacturingrepresentative,andotherswhoseworkrequirescoordinationwithaccessfloorMarkpedestallocationsonsubfloorsothatmechanicalandelectricalworkcantakecewithoutinterferingwithinstallationofpedestals.Donotproceedwithinstallationofaccessflooringuntilsubstantialcompletionofotherworkwithinareastoreceiveaccessflooring.ENVIRONMENTALDonotproceedwithinstallationofaccessflooringuntilinstallationareaisenclosedandhasanambienttemperatureofbetween4.4degreesCand32.2degreesCandarelativehumidityofnotmorethan70percent.DELIVERY,STORAGE,ANDDelivermaterialsintheiroriginalunopenedExercisecareinhandlingcomponentstopreventStorematerialsinsuchamannerastopreventdamageorintrusionofforeignmatter.Conspicuouslymark"rejected"onmaterialsthataredamagedandremovefromAnyunitsarrivingatjobsitethathavenotbeenadequa yprotectedwillberejectedbytheOwner'srepresentativeandshallbereturnedtothemanufactureratnoadditionalcosttotheOwner.Providethefollowingwithin2weeksofContractShopdrawingsindicatingfloorlayout,interruptionstogrid,special-sizedpanels,panelsrequiringdrillingorcutoutforservices,appurtenancesorinterruptions,edgedetails,elevationdifferences,stairs,rampsandregisters.Productdataforgridsystem,panels,andSamplesoffloorgridandpanelillustratingfinishesandManufacturer'sthatproductsmeetorexceedspecifieddesignstrengthandelectricalrequirements.Warranty:Priortostartingwork,submitasamplecopyofwarranty.UponcompletionandacceptanceoftheworkrequiredbythisSection,submitanexecutedcopyofthewarranty.EXTRAProvide20floorpanelsofeachtypeinstalled,packagedwithprotectivecoveringforstorageandidentifiedwithappropriaabels.Furnishextrastockfloorpanelscompletewithfloorcoveringfromsameproductionrunastheinstalledsystem.PART2--ACCEPTABLETateAccessFloors,BasisofDesign:Concore3000panel,60cmsize,supportedby50.8millimeter(2h)boltedstringersystemunderstructureandwithcornerlockedpanels.ShanghaiHuiliGroupChangzhouAccessFloorCo,ApprovedPedestals:Steelwithflatbottombasete,threadedsupportingrod,vibration-prooflocknuttopermit150mmadjustment,manufacturer'sstandardfinish.PedestaltoachievefinishedfloorelevationheightabovesubfloorasindicatedonFrameGridStringers:continuoustype,consistingofgalvanizedsteelchannelPANELFloorPanels:formedepoxypaintedsteel,filledwithcementitiouscorematerialandweldededges.FloorPanelSize:600by600FloorPanelFinish:manufacturer’sstandardepoxyRailings:seePanelLiftingDevices:Two,manufacturer'sstandardtype; mendedforpanelExposedMetalSurfaces:epoxypaintfinish;colorasselectedfrommanufacturer’sstandardrange.FABRICATIONFloorPanelFlatness:plusorminus0.5mminanyFloorPanelWidthorLengthfromSpecifiedSize:plusorminus0.5FloorPanelSquareness:plusorminus0.75mmdifferenc weenoppositediagonaldimensions.PART3--VerifythatsurfacesandopeningsarereadytoreceiveVerifyfieldmeasurementsareasshownonshopVerifythatrequiredsubfloorutilitiesareavailable,inproperlocation,andreadyforBeginningofinstallationmeansinstaller istingFIELDCleansubstrateProtecementssurroundingtheworkofthisSectionfromdamageorLayoutaccordingtoapprovedshopInstallcomponentsinaccordancewithmanufacturer'sCompletedfloorsystemshallberigid,ofvibrationandrockingpanels,andshallprovidesmoothanduniformfloorsurface.Overallfloorshallbelevelwithinplusorminus0.5mmin1m.SecurepedestalbasetetosubfloorwithmetalInstalladditionalpedestalswheregridpatternisinterruptedbyroomappurtenancesandatcutouts.InstallstringersandfloorpanelssolidlyonERECTIONumOut-of-LevelTolerance:0.5mminAdjustpedestalstoachieveasmooth,levelrigidfloorandtoensureadjacentfloorpanelsurfacesareflush,ofvibrationandrocking.Uponcompletionoftheinstallationofaccessflooring,vacuumcleantheentirefloorsystemandcoverwithcontinuoussheetsofreindpaperorstic.Receanyaccessfloorpanelsthatareclipped,