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【船级社】 DNV-RU-UWT-Pt3.pdf
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【船级社】 DNV-RU-UWT-Pt3.pdf
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RULES FOR CLASSIFICATION
Underwatertechnology
EditionJuly2023
Part3Pressurehullandstructures
Chapter1General
ThecontentofthisservicedocumentisthesubjectofintellectualpropertyrightsreservedbyDNVAS(“DNV”).Theuser
acceptsthatitisprohibitedbyanyoneelsebutDNVand/oritslicenseestoofferand/orperformclassification,certification
and/orverificationservices,includingtheissuanceofcertificatesand/ordeclarationsofconformity,whollyorpartly,onthe
basisofand/orpursuanttothisdocumentwhetherfreeofchargeorchargeable,withoutDNV’spriorwrittenconsent.DNV
isnotresponsiblefortheconsequencesarisingfromanyuseofthisdocumentbyothers.
ThePDFelectronicversionofthisdocumentavailableattheDNVwebsitednv.comistheofficialversion.Ifthere
areanyinconsistenciesbetweenthePDFversionandanyotheravailableversion,thePDFversionshallprevail.
DNVAS
FOREWORD
DNVrulesforclassificationcontainproceduralandtechnicalrequirementsrelatedtoobtainingand
retainingaclasscertificate.TherulesrepresentallrequirementsadoptedbytheSocietyasbasis
forclassification.
©
DNVASJuly2023
Anycommentsmaybesentbye-mailtorules@dnv.com
Thisservicedocumenthasbeenpreparedbasedonavailableknowledge,technologyand/orinformationatthetimeofissuanceofthis
document.TheuseofthisdocumentbyotherpartiesthanDNVisattheuser'ssolerisk.Unlessotherwisestatedinanapplicablecontract,
orfollowingfrommandatorylaw,theliabilityofDNVAS,itsparentcompaniesandsubsidiariesaswellastheirofficers,directorsand
employees(“DNV”)forprovedlossordamagearisingfromorinconnectionwithanyactoromissionofDNV,whetherincontractorintort
(includingnegligence),shallbelimitedtodirectlossesandunderanycircumstancebelimitedto300,000USD.
CHANGES–CURRENT
ThisdocumentsupersedestheJuly2021editionofDNV-RU-UWTPt.3Ch.1.
Thenumberingand/ortitleofitemscontainingchangesishighlightedinred.
ChangesJuly2023,enteringintoforce1January2024
Topic Reference Description
Sec.1 UpdatedandrestructuredtoalignwithstandardDNVformat.General
Sec.2[1] MovedprinciplerequirementsfromSec.1toSec.2.
Editorialcorrections
Inadditiontotheabovestatedchanges,editorialcorrectionsmayhavebeenmade.
Part3Chapter1Changes-current
Rulesforclassification:Underwatertechnology—DNV-RU-UWTPt.3Ch.1.EditionJuly2023 Page3
General
DNVAS
CONTENTS
Changes–current.................................................................................................. 3
Section1Generalprinciples................................................................................... 5
1Objective..............................................................................................5
2Scope................................................................................................... 5
3Application...........................................................................................5
4References........................................................................................... 5
5Definitionsandabbreviations.............................................................. 6
6Documentationrequirements.............................................................. 6
7Conceptofoperations..........................................................................6
Section2Structuraldesignprinciples.....................................................................7
1General................................................................................................ 7
2Construction.........................................................................................7
3Fatiguestrength.................................................................................. 7
Section3Interiorfacilitiesandequipment.............................................................8
1Arrangementofspaces........................................................................8
2Interiorfacilities..................................................................................8
3Equipment............................................................................................9
4Lighting................................................................................................9
5Windowsforthepressurehull............................................................ 9
6Attachmentofsupports....................................................................... 9
Section4Environmentalconditions...................................................................... 10
1General.............................................................................................. 10
2Externalconditions............................................................................ 10
3Internalconditions............................................................................ 11
4Furtherenvironmentalconditions......................................................11
Section5Failuremodeandeffectsanalysis(FME(C)A)........................................12
1Failuremodeeffectsandcriticalityanalysis-FME(C)A......................12
Changes–historic................................................................................................16
Part3Chapter1Contents
Rulesforclassification:Underwatertechnology—DNV-RU-UWTPt.3Ch.1.EditionJuly2023 Page4
General
DNVAS
SECTION1GENERALPRINCIPLES
1Objective
Theobjectiveofthischapteristoidentifyandprovideabasisfordefinitionofrelevantsystemdesign
characteristics.Thesearekeyissuesrequiredfordesign,construction,operation,andre-qualificationofUWT
systems.
2Scope
Therulesinthischaptercoverthestructuredesignprinciples,interiorfacilitiesandequipment,
environmentalconditionsandfailuremodesandeffectsanalysis(FME(C)A).
3Application
Pt.3isapplicabletomannedandunmannedunderwatervehiclesandunderwaterworkingmachines.
Applicationoftherulestoinnovativedesignsshallbedecidedbasedonconsiderationofthetechnical
backgroundofthedifferentrequirements.Increasedscopeofanalysisbeyondwhatisdefinedintheserules
mayberequiredtoensureequivalentsafety.
4References
Table1listsDNVreferencesusedinthisdocument.
Table1DNVreferences
Documentcode Title
Pt.1Ch.4 Definitions
Ch.4 Supportingstructure,exostructureandequipment
Ch.5 Openingsandclosings
Pt.4Ch.7 Pressurevessels
Pt.4Ch.8 Electricalinstallations
Pt.5Ch.1 Mannedhyperbaricsystems
Pt.5Ch.2 Saturationdivingsystems
Pt.5Ch.3 Surfaceorienteddivingsystems
Pt.5Ch.4 Divingsimulators
Pt.5Ch.5 Self-containeddiverpressurechambersystems
DNV-RU-SHIPPt.3 Hull
DNV-RU-SHIPPt.3Ch.9 Fatigue
DNV-RU-SHIPPt.4 Systemsandcomponents
Table2listsotherreferencesusedinthisdocument.
Part3Chapter1Section1
Rulesforclassification:Underwatertechnology—DNV-RU-UWTPt.3Ch.1.EditionJuly2023 Page5
General
DNVAS
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