dnv quick reference
TRANSCRIPT
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7/28/2019 Dnv Quick Reference
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PT TD ENERGY SERVICESHeartline Centre Bldg 5th Fl,
Jl. Permatasari No. 1000
Villa Permata, Lippo Karawaci
Tangerang 15810 Indonesia
Phone : +62 21 55658270
Fax : +62 21 55657271
DefinitionofanOffshoreContainer
Portableunitwithamaximumgrossmassof25,000kgs(55,000lbs)forrepeateduseinthe
transportofgoodsorequipment,ashandledinopenseasto/fromorbetweenfixedand/or
floatinginstallationsandships.
DesignReview(CaseApproval)
Fordesignreviewthefollowingdocumentationshouldbesubmitted:
Drawings
Dimensions
Materials
Welddetails
Weights
Slingangle
Calculations
CaseApprovalisjobspecificforaknownbatchandonlyvalidforthatbatch.
Ifthe intention istomanufactureseveralovera period of timeTypeApprovalshouldbe
requested.Thiswouldbevalidfor4years,andcanberenewedforlongerifrequired.
Materials
Thedesigntemperatureofthecontainermustbeaminimumof20C;
therefore, the materials chosen should be suitable for this temperature range, have the
requiredductility,befullykilled,andhavenoageingproperties.
FabricationSurveys
DNV has defined inspection points and competent, trained Surveyors with extensive
experienceinthecertificationofOffshoreContainers.
WeldingProcedures,WelderQualification
Welding Procedures and Welder Qualifications must meet the following recognized
standardsforDNVapproval:
ASMEIX
AWSD1.1
BSEN287pt1
BSEN288pt3
NB.AllproceduresarerequiredtohaveCharpyImpacttestsatWCL,FL,FL+2&FL+5
LoadTesting
Forapproval,aprototypefromeachdesignbatchrequiresfullprototypetestswitnessedby
DNVasfollows:
DropTest@GrossWeight
Subsequentcontainersrequireonlythe4pointlift,batchtestedasperBSEN12079
(ExceptionbeingprototypetestswhichareonlyvalidforthesameFabricator)
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7/28/2019 Dnv Quick Reference
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PT TD ENERGY SERVICESHeartline Centre Bldg 5th Fl,
Jl. Permatasari No. 1000
Villa Permata, Lippo Karawaci
Tangerang 15810 Indonesia
Phone : +62 21 55658270
Fax : +62 21 55657271
Slings
TheSlingiscertifiedaspartoftheContainerandshouldbekeptwiththeContaineratall
times.Asthedesigntemperatureisaminimumof20C,theslingcomponentsshouldbe
TypeApproved,however,componentssuppliedwith3.1Bcertificatesmaybeaccepted.The
grossweightshouldincludetheweightofthesling.
FinalInspection
After the painting and fitting of the markings, a DNV Surveyor will carry out the final
inspectionandreviewofasbuiltdocumentation.
If successful, the DNV decal will be affixed and a DNV Inspection Release Report and
OffshoreContainerCertificatewillbeissued.
BSEN12079(1999):DNVapprovaltoDNV2.71automaticallyincludesapprovaltoBSEN
12079.
IMO: DNV 2.71 also complies with IMO Circular MSC I Circ. 860 "Guidelines for the
ApprovalofOffshoreContainershandledinOpenSeas"
IMDG:DNV2.71Recognized&acceptedbyIMDGforthetransportationofdangerous
goods.
DNV2.71OffshoreServiceContainers:Standardforelectrical,HVAC,PA,Alarms,Passive
PFP,Fire&GasDetection,etc.
UKOOAGuidelinesforthesafepacking&HandlingofCargotoandfromOffshorelocations
Issue11SSUE2Nov2002:RecognizesuseofDNV2.71&BSEN12079fornewfabrications.
QualitySystemCertification:FabricatorsofOffshoreContainersarerequiredtoimplement
aqualitysystemapprovedtoIS09002.
PeriodicInspectionsandAddedValue
DNV 2.71/BS EN 12079 are based on annual inspection cycles using these standards,
approximately66%savingsaregeneratedoverthelifetimeofacontainerwhencomparedto
othermethodsofinspectioncertification.
OtheradvantagesofDNV2.71
CertifiedContainers:
Stronger
FewerRepairs
LongerLasting
HighResaleValue
BetterQuality
SaferUnitMaybeusedworldwide
ModificationsandRepairs
Allmodifications&repairstoprimarystructureshouldbecarriedoutwithDNVinvolvement
toretainthecontainercertification.
(Source:Informationcompiledfromwww.dnv.comandDNV2.71)