division 31 earthwork...b. design considerations: 1. elevation® geofoam shall be selected for...
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PART 1 − GENERAL1.01 ScopeA.Material,accessoriesandquality
assurancepracticesforblockmoldedexpandedpolystyrene(EPS)rigidcellularElevation®geofoaminroadapplications,embankmentsandbridgeapproachesonsoftground.
B. Typicalinstallationtechniquesareillustratedinthisdocument,butthescopeofthisdocumentdoesnotincludedesignnorqualificationofinstallationcontractors.
1.02 ReferencesA.AmericanSocietyforTestingand
Materials(ASTM): 1. ASTMD6817StandardSpecificationfor
RigidCellularPolystyreneGeofoam. 2. ASTMD7180StandardGuideforUse
ofExpandedPolystyrene(EPS)inGeotechnicalProjects.
3. ASTMD7557StandardPracticeforSamplingofExpandedPolystyreneGeofoamSpecimens.
4. ASTMC578StandardSpecificationforRigidCellularPolystyreneThermalInsulation.
5. ASTMC203BreakingLoadandFlexuralPropertiesofBlock-TypeThermalInsulation.
6. ASTMC303TestMethodforDimensionsandDensityofPreformedBlockandBoard-TypeThermalInsulation.
7. ASTMC2863TestMethodforMeasuringtheMinimumOxygenConcentrationtoSupportCandle-LikeCombustionofPlastics(OxygenIndex).
8. ASTMD1621TestMethodforCompressivePropertiesofRigidCellularPlastics.
9. ASTMD1622ApparentDensityofRigidCellularPlastics.
10.ASTME84StandardTestMethodforSurfaceBurningCharacteristicsofBuildingMaterials.
B. NationalCooperativeHighwayResearchProgram:
1. NCHRPDocument65GeofoamApplicationsintheDesignand
ConstructionofHighwayEmbankments. 2. NCHRPReport529Guidelineand
RecommendedStandardforGeofoamApplicationsinHighwayEmbankments.
C. NationalStandardsofCanada: 1. CAN/ULCS701StandardforThermal
Insulation,Polystyrene,BoardsandPipeCoverings.
1.03 Design RequirementsA.PerformanceRequirements: 1. Unlessspecificallyapproved,
theElevation®geofoamshallbemanufacturedusing100%virginfeedstockforblockshavingnorecyclecontent.
2. AtlasEPSstandardsizeblocksshallbeused,generally16inchesto40inchesinheight,48incheswidth,and96incheslength.Theuseof½blocks,smallerendpiecesandthinnersheetsmaybeusedasneededtooffsetjointsandcompleteprojectgeometry.
3. Regardlessofdimensionsorrecyclecontent,productandaccessorieswillberequiredtomeetorexceedtheminimum
valuesprovidedinSection2.02and2.03ofthisspecification.
4. Elevation®geofoamshallbecuredaminimumof72hoursatambienttemperaturepriortousetoallowblowingagentandcondensatedissipation.Alternately,acceleratedcuringunderheatedareaconditionsshallbeapproved.
5. AllElevation®geofoamblocksshallbeshop-trimmed(moldededgesremoved)toassurefacetruenessandtightdimensionalfitwithadjacentblocks.
6. Elevation®geofoamshallbespecifiedusingthematerial type designationslistedinASTMD6817“StandardSpecificationforRigidCellularPolystyreneGeofoam.”
7. Inareaswheretermitedamageisofhighconcernoverlongperiods,atthediscretionoftheengineerperproject,theElevation®geofoamshallbeenhancedTalonGUARDEPSapprovedandfield-testedforconstructionapplications.
Geofoam Applications
DiviSioN 31EARThwoRk
Foundation Soil
Pavement System
Fill Mass (EPS blocks& soil cover, if any)
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B. DesignConsiderations: 1. Elevation®geofoamshallbeselected
forelasticcompressiveperformanceasrequiredtoresistliveanddeadloadforcesanticipatedduringinsituusethroughoutthelifeofthestructure.RefertoASTMD68171%DeformationCompressiveStrengthminimumvaluesforelasticlimitstressofeachtype.
2. Elevation®geofoamisathermalinsulationwhichwillisolatetheadjoiningmaterialfromnormalgroundtemperatures.Assuch,freezeconditionsandsufficientearthmassoverElevation®geofoammustbeconsideredtoavoidblackiceconditionsorotherundesirablesurfacefreezeeventsofthesupportedstructures.
3. BecausethedensityofElevation®geofoamisroughly1%ofthatofthesurroundingdirt,hydrostaticforcesmustbeconsideredandsufficientballastprovidedovertheblockstopreventupliftduringthelifeofthestructure.
1.04 Quality Assurance A. AtlasEPSPre-Certification–
NoElevation®geofoamshallbeshippedpriortocompletionofpre-certification:1. AtlasEPSshallprovideevidenceof3rd
partycertificationagainstASTMD6817,includingeachofthefollowing:a) Currentcertificationby
UnderwritersLaboratoriesspecifictoASTMD6817(QORW.R16529).
b) ULFollow-UpServicesProcedurestoassurecompliancetoASTMD6817.
c) TestreportsfromULverifying
complianceofprojecttypestoASTMD6817compressiveresistancerequirements.
d) SignedcertificationstatementsubmittedfromAtlasEPSacknowledgingthespecificationsfortheprojecthavebeenreadandunderstood,andthatallElevation®geofoamblockssuppliedtotheprojectwillmeettherequirementsinthespecification.
B. Elevation®geofoamblockcertification–eachdeliveryofElevation®geofoamblocksshallbetraceabletocompliancetestingasfollows:1. Acollective“lot”ofElevation®geofoam
blocksshallbedefinedasthoseofthesameASTMD6817typemanufactured(molded)consecutivelyonthesamecalendarday.
2. EachElevation®geofoamblockshallbemarkedtoinclude“AtlasEPS”,moldeddate,individualblockidentifierandASTMD6817type.
3. Additionally,foreachloadrequiringa3rdpartycertification:a) EachElevation®geofoamblock
shallbeadditionallystampedperULrequirements.
b) EachlotofElevation®geofoamblocksontheinitialprojectdeliveryloadperASTMD6817typeshallbesampledaccordingtoASTMD7557andtestedforcompliancetoCompressiveResistanceminimumvalueat1%deformationperASTMD6817requirements.
c) Initialtypetestingin(b)aboveshallberepeatedforevery650cubicyardsofeachASTMD6817typedeliveredtotheproject.
d) AlltestresultswillbekeptonfileatAtlasEPSforreviewbyUnderwritersLaboratories.
C. AdditionalRequirements–applicableonlywhentermiticide-treatedElevation®geofoamisspecifiedbytheengineer:1. AtlasEPSshallprovideproofof
EPA-registered,termiticide-treatedTalonGUARDEPSapprovedwithbuildingcoderegulations.
2. TheElevation®geofoamblocksshalladditionallybemarkedasrequiredperthebuildingcodeauthority.
D. Elevation®geofoamtestblocks: 1. Portionsofsampledblocksthatare
usedfortestingarenotacceptableforconstruction.Portionsofblocksthatareotherwiseacceptablecanbeusedasdesiredbythecontractorprovidedtheycomplywithanyotherrequirementsofthisspecification.
2. AnyshipmentofElevation®blocks,forwhichtherepresentativesamplesfailtomeettheparametersoutlinedinthisspecification,areconsidereddefectiveandshallbereplacedbythecontractorwithnon-defectiveElevation®blocksatnoadditionalcostortimetotheprojectowner.
Sloped-side fillSloped-side fill
EPS block (typical)EPS block (typical)
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1.05 warrantyA. PhysicalPropertiesWarranty:
PhysicalpropertiesshallbewarrantedtoASTMD6817.1. WarrantyPeriod:20years
beginningwithdateofsubstantialprojectcompletion.
B. TermitePreservativeWarranty[whereapplicable]:Performanceagainsttermiteinfestationresultinginsignificantdegradationshallbeprovided.1. WarrantyPeriod:20years
beginningwithdateofsubstantialprojectcompletion.
1.06 Delivery, Storage & handling A. Delivery:Materialsshallbedelivered
labeled“AtlasEPS,”dateofmanufacture,lot#,materialtypeandanymarkingrequiredtoassistininstallingaccordingtoshopdrawings.
B. StorageandProtection:Storematerialsprotectedfromexposuretoharmfulenvironmentalconditions.1. Avoidprolongedexposuretosunlight,
coverwithopaquetarpifstoredoutsideformorethan30days.
2. Elevation®geofoamshouldnotbeexposedtoopenflameoranyotherignitionsources.
3. Projectsthatincludepetroleumconcernsshallincludeaspecificationforapuncture-free,low-vaportransmissionratedproducttoprotectElevation®
geofoamfrompetroleumproducts.4. Duetothelightweightnatureof
Elevation®geofoam,itisthecontractor’sresponsibilitytoprovidetemporaryballastorprotectionduringstorageandblockplacement.
C. Handling:Elevation®geofoammaybecut,drilled,sawn,sanded,rasped,orotherwisehandledsimilartootherconstructionmaterials,suchaswood.Careshouldbeusedinhandlingtopreventdamagetoblocks.NoheavyconstructionequipmentorvehiclesshallbealloweddirectlyonElevation®
geofoam.Protectivesheathingorplanksshouldbeplacedontheblockstoallowlightrubber-tiredequipmentuse.
1.07 Submittals PriortoinstallationoftheElevation®geofoamblocks,contractorshallprovideengineer:A. ProductData:SubmitElevation®geofoam
dataandinstallationinstructions.B. ShopDrawings:Providedrawingswitha
profileandsectionviewoftheproposedproject,includingindividuallayersofElevation®geofoamblocksinmultiple-layer
projects.Thedrawingshallincludesize,type,location,connectorplatelocationandorientationofallblocks.
C. QualityAssuranceSubmittals:Submitthefollowing:1. EvidenceofAtlasEPScurrentULASTM
D6817certification,auditproceduresandtestreportsverifyingcomplianceofeachtype.
2. AtlasEPS-signedcertificationlettertosupplyspecificationcompliantmaterial.
3. CopyofAtlasEPStestreportforcapturingcompressivepropertyperformance.
4. Evidenceofbuildingauthority-approvedtermiticideTalonGUARDEPS[whenrequiredaspartofthespecifications].
D. Warranties1. CopyofElevation®Physical
PropertyWarranty.2. CopyofElevation®TalonGUARDTermite
ResistanceWarranty[whenrequiredaspartofprojectspecifications].
EPS block (typical)
vertical-face fill
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©2012AtlasRoofingCorporation.AtlasEPSisadivisionofAtlasRoofing.ElevationisatrademarkofAtlasRoofingCorporation.LIT1016AEPS2012-FAL-093Rev.5-4-2012
®
ATLAS EPS8240ByronCenterRoadSWByronCenter,MI49315Tel:(800)917-9138Fax:(800)626-9942
MANuFAcTuRiNG PLANTSByron Center, MI – Tel: (800) 917-9138 Perryville, MO – Tel: (800) 888-2332 Martinsville, VA – (800) 277-0967Tijuana, MX – Tel: (866) 811-9517
PART 2 − PRoDucTS 2.01 ManufacturersA. AtlasEPS,adivisionofAtlasRoofing
Corporation–Elevation®geofoam,Geoclips.1. Corporateoffice:8240ByronCenterSW,
ByronCenter,MI49315;Telephone:(800) 917-9138;Fax:(616)878-9942;www.atlaseps.com www.falcongeofoam.com,multiplelocations.
2.02 MaterialsA. Elevation®geofoamblocks:
1. Elevation®geofoamASTMD6817typesandphysicalproperties:
2. Elevation®geofoamshallnotcontainFormaldehyde,CFCs,HCFCsorothervolatilecomponents.
3. Allblocksshallbeshop-trimmedasnecessarysoallsurfacesaresmoothandflat,arewithintolerancesof+/-0.5%ofrespectiveheight,widthandlengthdimensions.Additionalfieldand/orshopcuttingortrimmingmayberequiredandshallbedonewithasaworhotwirecutter.
4. DamagetoElevation®geofoamshallbecorrectedasfollows:a) Slightdamage(<0.12cubicfeetwith
nolineardimension>1ftmaybeleftinplaceas-is.
b) Moderatedamage(<0.35cubicfeetwithnolineardimension>3.3ft)shallbefilledwithsand.
c) Elevation®geofoamblockswithexcessivedamage(i.e.,exceedingthe“moderate”category)shallbereplacedwithblockswhichmeetthedamagecriteria.
d) Elevation®blocksnotmeetingthedamagecriteriamaybecuttoeliminatetheexcessivedamageandtheremainingundamagedportionoftheblockmaybeusedwithinthefill,providedtheundamagedportionoftheblockmeetsallotherrequirements.
2.03 Accessories A. Elevation®geofoamConnectorPlates
(Geoclips):1. Elevation®geoclipsshallbegalvanized
steelmulti-barbedconnectors.Eachconnectorshallhavealateralholdingstrengthof60lbsminimumwhentestedwithASTMD6817typeEPS22Elevation®geofoam.Installconnectorplatesasdirectedonshopdrawings.
PART 3 − EXEcuTioN3.01 PreparationA. Cleardebrisanddewatersiteasneeded.
Gradeaccordingtoelevationsshownonplans;thefinishgradeshallbesmoothandfreefromholesorprotrudingobjects.CovergradedareatoreceiveElevation®
geofoamblockswithsandorotherdrainagelayer.
3.02 installation A. General:
1. InstallElevation®geofoamblockstothelinesandgradesshownintheplansandasdirectedbytheengineer.ThesurfaceofalayerofblockstoreceiveadditionalElevation®geofoamshallbeconstructedwithavariationinsurfacetoleranceofnomorethan.5-inchany10-footinterval.Nogapsgreaterthan2incheswillbeallowedonverticaljoints.Cutandfittightlyaroundprojectionsandpenetrations.
2. Eachsubsequentlayerofblocksshallbeoffset90degreesfromthedirectionofplacementofthepreviouslayerorotherwisestaggeredforincreasedstabilityofthesystem.
3. Securelayers2andabovewithconnectorplates,usingquantityandpatternrecommendedbymanufactureronshopdrawingstopreventblocksfromshiftingduringthebackfillstage.
4. ForprojectsrequiringaloaddistributionslaboverthetopsurfaceofElevation®geofoam,itispermissibletouserebarsupports(dobies)tosupportthereinforcingsteelduringconcreteplacement.
5. InareaswhereutilitiesareplacedinElevation®geofoam,providespacetoaccommodatepipe,structuresandconduitsystemandflowablefill.
Typecompressive
Resistance @ 1% Deformation (min)
Flexural Strength (min)
oxygen index (min)
Block Density (min)
EPS 15 3.6 psi 25.0 psi 24.0 0.90 pcf
EPS 19 5.8 psi 30.0 psi 24.0 1.15 pcf
EPS 22 7.3 psi 40.0 psi 24.0 1.35 pcf
EPS 29 10.9 psi 50.0 psi 24.0 1.80 pcf
EPS 39 15.0 psi 60.0 psi 24.0 2.40 pcf
EPS 46 18.6 psi 75.5 psi 24.0 2.85 pcf
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