SECTION1GENERAL
1Introduction
1.1Objective
Theobjectiveofthisclassprogramme(CP)istogiveadescriptionofthetypeapproval(TA)schemefor
sandwichcorematerials.
ThegeneralrequirementsforobtainingtypeapprovalcertificateisgiveninclassprogrammeDNV-CP-0338-
Typeapprovalscheme.
TheproceduresandrequirementsdescribedinthisCPareapplicableforobtainingTAcertificatebasedon
requirementsin:
— DNVrules,DNV-RU-SHIPPt.2Ch.3.
— DNV-ST-0342,Craft.
Guidancenote:
ThisClassProgrammeisnotapplicableforobtainingEUMarineEquipmentDirective(MED)certificates.Visitwww.dnv.comfor
informationonMEDcertification.
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1.2Scope
ThisCPgivesadescriptionoftheproceduresandrequirementsrelatedtodocumentation,designandtype
testingapplicableforTAofsandwichcorematerials.
ThisCPdoesnotsetthedesignrequirementstothesandwichcorematerials.TAisbasedoncompliancewith
designrequirementsgivenintheDNVrulesandstandards.TheCPdescribeshowtodocumentcompliance
withtherequirementsinordertoobtainaTAcertificatefortheequipment.Thisincludes,whererelevant,
technicalrequirementsforhowthetypetestsshallbeperformed.
TheSociety'stypeapprovalcertificatewillcoveronegradeoftheactualproductwiththepossibilityto
includevariants.
Grade:Sandwichcorematerialswithdifferentchemicalcomposition.
Variants:Differentdensitieswiththesamechemicalcomposition.
TheSociety'stypeapprovalcertificateisnormallylimitedtoonemanufactureratoneproductionsite,
however,otherarrangementsmaybeagreeduponwiththeSociety.
TypetestsasspecifiedinSec.2[3],shallbecarriedoutandverifiedinoneofthefollowingways:
— ataDNVlaboratory
— atarecognizedandindependentlaboratoryoralaboratoryrecognisedbytheSociety
— atthemanufacturer’spremisesinthepresenceofasurveyor.
1.3Application
DNVrulesDNV-RU-SHIPPt.2Ch.3requiresthatsandwichcorematerialsaretypeapprovedinaccordance
withthisCPforequipmenttobeinstalledonclassedvessels.
ATAcertificateinaccordancewiththisCPwillconfirmcompliancewiththerequirementsintheDNVrulesas
specifiedin[1.1].TheTAcertificatewillnotconfirmcompliancewithrequirementsinotherpartsoftherules.
IncaseadditionalrequirementsinotherpartsoftherulesshallbecoveredbytheTAcertificate,thisshallbe
specifiedintheapplicationforTAandwillbestatedintheTAcertificate.
ElastomercorematerialsintendedforuseinSandwichPlateSystems(SPS)arenotcoveredbythis
programmebutarecoveredbyDNV-CP-0097.
Section1
Classprogramme:Typeapproval—DNV-CP-0084.EditionSeptember2021 Page5
Sandwichcorematerials
DNVAS
