IMDG危险品规范英文整理.docx
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IMDG危险品规范英文整理
Seminarfor
CarriageofDangerousGoods
05July2002
GLASEABusan
Y.S.Kim
BriefInstruction
Thereisatremendousvarietyofdangerouscargoesbeingcarriedonseagoingships,tosomeextentinverylargequantities.Dangerousgoodsaremainlymineraloilsandproductsofthechemicalindustrywhichmayrepresentadangerforthecrew,theshipandenvironment.ThishasbeentakenaccountbytheIMOintheinternationalConventionfortheSafetyofLifeatSea,SOLAS.ThecarriageofdangerousgoodsingeneralisdealtwithinSOLASChapterVII,coveringchemicaltankersinPartB,gascarriersinPartCandthecarriageofdangerousgoodsinpackagedformorinsolicforminbulkiscontainedinPartA.
PartAofSOLASChapterVIIcontainsgeneralrequirementscoveringmainlyoperationalaspectsandappliestoallships,includingcargoshipesoflessthan500grosstons,carryingdangerousgoods.PartAofSOLASChapterVIIisthelegalbaseforthe“InternationalMaritimeDangerousGoodsCode“(IMDGCode)andthe“CodeofSafetyPracticeforSolidBulkCargoes“(BCCode).Therecodescontainthespecificrequirementswithregardtopacking,labelling,stowage,segregationandotheroperationalaspects.
InRegulation2ofSOLASChapterVII,PartAdangerousgoodsareclassifiedaccordingtotheirspecificproperties:
Class1Explosive
Class2.1FlammableGases
Class2.2Non-flammableGases
Class2.3PoisonousGases
Class3.1/3.2Flammableliquidswithflashpointof23︒Candbelow
Class3.3Flammableliquidswithflashpointabove23︒Cupto61︒C
Class4.1Flammablesolids
Class4.2Substancesliabletospontaneouscombustion
Class4.3Substances,which,incontactwithwater,emitflammablegases
Class5.1Oxidizingsubstances
Class5.2Organicsubstances
Class6.1Toxicsubstances
Class6.2Infectioussubstances
Class7Radioactivematerials
Class8Corrosives(liquidsandsolidforms)
Class9Miscellaneousdangeroussubstancesandarticles
Forthedetailsoftheclassificationofthedangerousgoods,refertoIMGDCodePara.5asattached.
DangeroussubstancesinpackagedformaretobeshippedinapprovedpackagingsasspecifiedintheIMDGcodeforeachsubstanceindividually,includingalimitationofthefillingcapacity.Commonpackagingsareboxes,drums,pressurecylindersetc.Theseparcelledgoodsareeitherbestoweddirectlyinthecargoholdorinsideafreightcontainer.Goodsstowedintankcontainers,bulkcontainersorbigbagsareconsideredpackagedaswell.Pleasenotethatbulkcargoesmeancargoeswhichareintendedtobetransportedwithoutanyintermediateformofcontainmentinbulkpackagingsorportabletanks.
Stowagerequirementsspecify,amongotherthings,restrictionsrelatedtothedistancetolivingquartersandtoengineroomboundaries,orwhetherondeckorunderdeckstowageispermittedorstowageonpassengerships.
Segregationisrequiredforincompatiblegoodslikesubstances,whichstowedtogether,presentariskforunduehazardsincaseofleakageorspillage.
RegulationsandProvision
SOLASII-2,Reg.54Specificrequirementsforshipscarryingdangerousgoods
Theseregulationsspecifytherequiredinstallationsandequipmentinthecargospacesfortheindividualcargoes
SOLASVII,PartACarriageofdangerousgoodsinpackagedformorinsolidforminbulk.
ApplicationoftheRulesandclassificationofthevariousgoods.Generalinformationregardingpackaging,marking,labelling,documentsandstowage.
IMDGCodeInternationalMaritimeDangerousGoodsCode
Specificprovisionsforeachindividualcargowithrespecttopacking,stowageandsegregationduingthetransport.Tobeonboardifgoodsinpackagedformarecarried.
BCCodeCodeofSafePracticeforSolidBulkCargoes
Specificprovisionsforeachindividualcargowithrespecttostowageandsegregationduringthetransport.Tobeonboardifbuldkcargopesarecarried.
INFCodeCodeforthesafecarriageofirradiatednuclearfuel,plutoniymandhigh-levelradioactivewastesinflasksonboardships.INF1,INF2,INF-3dependentonthetotalradioactivequantity.
Class7,notcoveredbySOLASII-2,Reg.54.
Asindicatedinthelistofclassessomegoodsaredangerousonaccountoftheirfeatures(e.g.explosiveorpoisonousproducts).Othergoodsconstituteahazardduringthetransportiftheygetintouchwithothermaterialsandtherebyachemeicalreactioniscaused,e.g.developmentofignitableortoxicgasesaftercontactwithwater.Therefore,thecargospacesconcernedhavetobeprovidedwiththefireprotectionandsafetysystemsdependentontheschemeofthecarriageofdangerousgoodsasspecififiedonSOLASChapterII-2,Regualtion54inordertocopewithdangeroussituationswhichmayevolve.
ItshouldbenotedthatashipneednottocomplywithalltherequirementsindicatedintheSOLASII-2,Regulation54.Theclassesofdangerousgoodswhichmaybecarriedandpossiblerestrictionsareascertainedonthebasisofthearrangementsandequipmentprovidedforeachspaceandsuchstatedinthe“DocumentofCompliancefortheCarriageofDangerousGoods(DangerousGoodsCertificate)“.
Asattached,ourRulesChapter2,Section12,Thetables12.7and12.8areusedtodeterminetherequirementstobefulfilledforparticularclassesofdangerousgoodstobecarriedinaparticulartypeofcargospace.
SpecificRequirementsfortheCarriageofDangerousGoods
GeneralinformationregardingtheapplicationoftheSpecialRequirementsofRegulation54ofSOLASII-2accordingtothescopeofdangerousgoodstobecarried.
Thescopeofdangerousgoods,whichmaybecarried,dependsonthevessel’soutfitting.
A.TransportofDangerousGoods(D.G.)inpackageform
AminimumofsuchrequirementsasdetailedherebelowhastobemetincaseD.G.inpackagedformshallbecarriedinacargohold:
1.Allcargoholdstobefittedwithafixedfireextinguishingsystem(conventional/container/bulkcargospaces:
CO2system)specialcategoryspaces,openro/rospacesandalike:
watersprayingsystem
2.Immediateavailabilityofwaterforfirefightingbyremotestartofthefirepumpsfromthewheelhouse
3.Hydrantstobearrangedsuchthatanypartoftheemptycargospacecanbereachedwithfourjetsofwatersimultaneously.Twoofthejetsshallbesuppliedviasinglelengthofhoseeach,twomaybesuppliedviatwocoupledhoselengths.ThisrequirementappliesalsotothecargoweatherdeckdesignatedforthestowageofD.G.
4.Approvedfiredetectionsystemforthecargoholds(incaseofclass1onweatherdeckalsoapplicabletothecargoholdbeneath)
5.Foursetsofchemicalprotectiveclothing
6.Twoadditionalbreathingapparatuswithsparechargesacc.toflagstaterequirements,butnotlessthantwo
7.Additionaldrypowderfireextinguisherstotal12kgperhold(notrequiredincontainercargoholds,butalsoforweatherdeckstowage)
Withforegoingequipmentthefollowingmaybecarriedinthecargohold(s):
IMOClass
Restrictions
none
none
none
exceptsubstancesforwhichtheIMDGcodestipulates"stowageinamechanicallyventilatedspace"
exceptsubstancesforwhichtheIMDGcodestipulates"stowageinamechanicallyventilatedspace
exceptsubstancesforwhichtheIMDGcodestipulates"stowageinamechanicallyventilatedspace"
exceptliquidsandexceptsubstancesforwhichtheIMDGcodestipulates"stowageinamechanicallyventilatedspace"
8
exceptliquidswithflashpoint≤61 °C
9
exceptsubstancesforwhichtheIMDGcodestipulates"stowageinamechanicallyventilatedspace"
Providedadditionaldrypowderfireextinguishersoftotal12kgareavailablededicatedtotheuseinthecargodeckareaallclassesofD.G.maybecarriedonweatherdeck.
8.Forthecarriageofflammablegases(class2.1),toxicgases(class2.3),substancesofIMOclass4.3,liquidsofclass6and8withflashpoint≤ 61 °C,butabove23 °CandforthecarriageofthosegoodsforwhichtheIMDGcoderequires"stowageinamechanicallyventilatedspace",thecargoholdistobeprovidedwithmechanicalexhaustventilationgiving6airchangesperhourbasedontheemptyhold.
ThisappliesalsotogoodsofIMOclasses4.1,4.2and5.1ifstowageinamechanicallyventilatedspaceisstipulatedintheIMDGcode.
Theventilationductsshallbearrangedsuchthatapproximately1/3oftheairvolumeisremovedfromtheupperand2/3lowerpartofthecargohold.
Theventilationmaybereducedtotwoairchangesperhourincaseofcontainercargospacesandifthesegoodsarecarriedinclosedfreightcontainers.
Theinlet(ifsupplyfansareprovided)andoutletventilationopeningsaretobefittedwithwiremeshguardsnotexceeding13 mmmeshtopreventforeignobjectsfromenteringintothefancasing.
9.Withventilationacc.to8.andex-proofelectricalequipmentofexplosiongroupIIB,temperatureclassT4andgradeofprotectionIP55,alsotheflammablegases(class2.1)withtheexceptionofHydrogenandmixturesthereofmaybecarriedinthehold.
Itshouldbenotedthatallelectricalequipmentcomingintocontactwithholdatmospherehastomeetthisrequirement(lighting,firedetectionsystem,ventilatorsetc.).
ThecarriagealsoofHydrogenandmixturesthereofwouldrequireex-proofinstallationofIICT4.
LightingisnotarequirementoftheRulesnorSOLAS.Lightingoranyotherelectricalequipment,unlessrequiredbytheRegulationsorinconnectionwiththetransportofD.G.,maybeisolatedduringthetransportofgoodsrequiringex-proofelectricalequipment.
10.Withventilationaccordingto8.,ex-proofinstallationaccordingto9.andanadditionalfixedbilgesystemfortheremovalofD.G.spills,theclasses3.1,3.2