IMDG General

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DANGEROUS GOODS

CAPT.M.SAFAHANI

The expression also includes emptyreceptacles, empty tanks, unless

cleaned dried and purged.

Chapter VII SOLASReg 1 ApplicationReg 2 Classification

Reg 3 PackagingReg 4 Marking and labelingReg 5 Documents

Reg 6 Stowage requirementReg 7 Explosives in pax ships

7.1 reporting of incidents involving DG

Classes: Class 1 ExplosivesClass 2 Gases

2.1 Flammable2.2 non-flammable, being compressed2.3 Poisonous gases

Class 3 Flammable liquid3.1 low flashpoint3.2 intermediate flashpoint3.3 high flashpoint

Class 4.1 flammable solidsClass 4.2 liable to spontaneouscombustionClass 4.3 emit flammable gas in contactwith water

Class 5.1oxidizing substancesClass 5.2organic peroxides

Class 6.1 poisonous substancesClass 6.2 infectious substancesClass 7 radioactive substancesClass 8 corrosives

Class 9 miscellaneous(not covered in other classes)

DG under the HVRsGoods of an inflammable,explosive or

dangerous nature, if not properlymarked or if shipped without the

knowledge and consent of the carriermay be landed, destroyed, jettisoned or

rendered innocuous at any time beforedischarge.

Such goods may be dealt in the sameway even if they are loaded with the

knowledge of the carrier if they becomedangerous.

No compensation is payable by thecarrier in first case and the shipper isliable for all damages.In the second case it is the sameprinciple except general average.

Markings:Correct technical nameComply with IMDG codeOuter material survive 3 monthsimmersion, marking durableIf outer material not durable innerreceptacle should be durableLabel on each side and end

Documents:Document of compliance for the shipDangerous goods declaration from theshipperPacking certificate

Document of compliance:Ensures that the stowage spaces areappropriately equipped with fireprevention,fire detection, and firefighting equipment.

Dangerous goods declaration:Proper shipping nameClass and division

UN numberPacking groupNumber and kind of package

Total quantityIndicate if marine pollutant

Any other relevant information

Declaration:The responsibility lies with theforwarder who delivers the cargo to theship and not to the stevedores

Offence:Failure to provide a declarationProvide a declaration which he knows itis false

An offence is committed by the masterif he accepts a package withoutdeclaration if it is required

IMDG codeUniform, global rules for the safe transport bysea of dangerous goods and marine

pollutants in packaged form are nowcompulsory, following the entry into force on1 January 2004 of the 2002 amendments tothe International Convention for the Safety of

Life at Sea (SOLAS), 1974, making theInternational Maritime Dangerous Goods(IMDG) Code mandatory.

IMDG codeThe IMDG Code was developed as auniform international code for the

transport of dangerous goods by seacovering such matters as packing,marking, libeling and stowage of

dangerous goods with particularreference to the segregation ofincompatible substances.

IMDG codeThe IMDG Code lays down basic principlesand contains detailed recommendations for

individual substances, materials and articles,as well as a number of recommendations forgood operational practice including advice onterminology, packing, labelling, stowage,

segregation and handling, and emergencyresponse action.

IMDG codeTwo Volumes+ one Supplement

Volume 1 (parts 1, 2 and 4to 7 of the Code) :

general provisions, definitions and trainingclassification

consignment proceduresconstruction and testing of packagings,International Bulk Containers (IBCs), largepackagings, portable tanks and road tankvehiclestransport operations

Volume 2 (part 3, appendix Aand appendix B)

Dangerous Goods List (equivalent to theschedules in previous editions of the Code),

presented in tabular formatlimited quantities exceptionsProper shipping Names including generic andN.O.S. (not otherwise specified) entriesGlossary of TermsIndex

Chapter 5.4, section 5.4.5 (Multimodaldangerous goods form), insofar as

layout of the form is concernedChapter 7.3 (Special requirements inthe event of an incident and fireprecautions involving dangerous goodsonly)

Appendix B

Who classifies the DGs?Shipper/Consignor or competentauthority where specified by this code.

Competent authority is the nationalregulatory body.

Packing groups:Group I present high dangerGroup II medium dangerGroup III low danger

Packing group I,II,III:Packaging for packing group I mustsurvive a drop test of height of 1.8m

Group II 1.2mGroup III 0.8m

The code specifies packing group for allclasses except 1,2,6.2and 7.

Precedence of hazards:The precedence table showswhich hazard is the primary

hazard.page 34 IMDG code 2.0.3.6 vol 1

If hazard is uncertain to bedetermined by lab.

Explosives:1.1 mass explosion hazard1.2

1.3 a)give rise to considerable radiant heatb)burn one after another

1.51.6 limited to explosion of one article

Compatibility groups, Classification codesConsidered compatible if:can be safely stowed or transportedtogether without increasing theprobability of an accident, or themagnitude of the effect of such

accident.Page 38 tables:2.1.2.2, 2.1.2.3 vol 1

Gases:Class 2.1 flammable gasesClass 2.2 non-flammable, non-toxic

but compressedClass 2.3 Toxic gases

What is a gas? At 50 ° c vapour pressure greater than300kPa or

Completely gas at 20 ° c at pressure of101.3kPa

Class 3 flammable liquids:Flash point:lowest temperature of aliquid at which its vapour forms an

ignitable mixture with air. A flammable liquid can not be ignited solong as its temperature remains below

the flash point.

Determination of flash point:Specified quantity of liquid in areceptacle, well below flash point.

Heat up slowly and periodically bring aflame near to the liquid surfaceThe lowest temperature you observe a

flash is the flash point temperature

Two types of flash point:Closed-cupOpen-cupOpen-cup few degrees higher.Closed-cup is recommended to be used.

Class 4 flammable solids:Class 4.1 flammable solidsDuring transport readily combustiblethrough friction, or exothermic reaction.Powdered, granular,pasty substancesaccording to the time and rate ofburning as per UN manual of tests andcriteria.

Self reactive substances:The decomposition can be initiated byheat,contact with catalytic impurities

such as acids.If the SADT is less than 55 ° c it issubject to temperature control during

transport. ( Self Accelerating Decomposition Temperature )

Packing methods:Self reactive substances:Page 47 down the page,page 48 andpage 49.OP1 to OP8 in P520 page147.

Class 4 flammable solids:

Class 4.2 liable to spontaneouscombustion

Liable to catch fire through self heatingin contact with air or through conditionsbeing developed while transported.

1)ignite in 5 minutes of coming into contact with air(pyrophoric)2)liable to self heating in contact with air without energy supply(self

heating)3)may give off toxic gases if involved in a fire

Class 4 flammable solids:Class 4.3 emit flammable gas in contactwith water

These are substances which in contactwith water become spontaneouslyflammable or emit flammable gasesNaked lights,sparking hand tools,unprotected light bulbs

Flammable gas is generated at a rate of one litre per kgof substance per hour.

Class 5.1 oxidizing substancesNot necessarily combustible, but byyielding oxygen may cause or

contribute to the fire of other material.Evolve oxygen so increase risk of fire orits intensity.Mixture even with flour,sugar,edibleoils,mineral oils dangerous.

Violent reaction with liquid acids.

Class 5.1 oxidizing substances Assign a packing group according tomean burning time as specified in:

united nations manual oftests and criteria

Class 5.2 organic peroxidesThermally unstableMay undergo exothermic self-accelerating decomposition.Divided into 7 categories according tothe danger they present. A-G

in addition:

Class 5.2 organic peroxidesDecompose at normal or elevatedtemperature

May be initiated in contact withimpurities(acids … )Some may decompose explosively

Class 5.2 organic peroxidesBe liable to explosive decompositionBurn rapidlyBe sensitive to impact or frictionReact dangerously with othersubstancesCause damage to the eye

Pages 57-66 vol 1

Class 5.2 organic peroxides All organic peroxides are assignedpacking group II

vol 1 contains usefulinformation regarding the classificationof organic peroxides.

Class 6.1 toxic substancesHarming health by:

If swallowed orIf inhaled orContact by skin

Class 6.1 toxic substancesLD50 for acute oral toxicity is the dosewhich is most likely killing one half of

the albino rats within 14 days in youngadults. (Mg in kg body mass)LD50 for acute dermal toxicityLD50 for acute toxicity on inhalation

for inhalation it is only if a mist isproduced

Class 6.1 toxic substances3 packing groups according to thedangers they present.

As per human accidental poisoning ortested on animals.The toxicity data can be obtained from

the current “ WHO recommended classification ofpesticides by hazard and guidelines to classification ”

Class 6.2 infectious substances

Known or expected to containpathogens:

(bacteria, viruses,parasites, fungi)Expected to cause infectious diseases inanimals or humans

Or spread diseases if exposure to themoccurs.

Class 6.2 infectious substances

Biological products, derived from livingorganisms.

Diagnostic specimens, any human oranimal material.Genetically modified micro-organisms

Wastes derived from medical treatmentof humans and animals.

Class 7 radioactive materialPackaging means the assembly ofcomponents necessary to enclose the

radioactive contents completely. Approved type either multilateral orunilateral.

97 vol 1 covers radioactive materials

Class 7 radioactive materialOne or more receptacles,absorbentmaterials, spacing structures, radiation

shielding and service equipment forfilling, emptying, venting and pressurerelief; devices for cooling, absorbingmechanical shocks, handling, thermalinsulation.

Class 8 corrosive substancesCause severe damage if in contact withliving tissue.

In case of leakage damage or destroyother goods or means of transport.

Class 8 corrosive substancesIn chapter 3.2 VOL 2 the wording:burns to skin, eyes, and mucousmembranes can be seen.

Or sometimes corrosive to most metalsCorrosive to aluminiumMany substances in this class becomescorrosive after being in contact with moisture.Some generate heat in contact with water,organic material such as woods

Class 9 miscellaneousNot covered in other classessubstances offered for transport at

temperatures equal or exceeding 100 ° cin a liquid state.Solids that are transported at

temperatures equal or exceeding 240 ° c

Marine pollutants:Substances which because of theirpotential to bio-accumulate in seafood

or because of their toxicity to marinelife are subject to the provisions of Annex III MARPOL 73/78.

Marine pollutants:

P marine pollutantsPP severe marine pollutants

● Potential for pollution

Marine pollutants: A solution or mixture containing 10% ormore of a marine pollutant is a marine

pollutant. A solution or mixture containing 1% ormore of a severe marine pollutant is a

marine pollutant.

Examples of DG packaging:

Examples of IBCs:

Dangerous goods list(DGL)1.&18. A unique four-digit number, theUN number, it identifies the substance

unmistakably2. The proper shipping name3. Class and subdivision

4. The class of any subsidiary risk(s)Packing group I,II,III

Dangerous goods list(DGL)6. Any special provisions- a number thatrefers to a separate table in volume 2

7. Limited quantities- to indicate ifgoods can be carried in restrictedquantities, if so what maximum quantity

in each inner packaging

Dangerous goods list(DGL)12,13.&14. Instructions regarding incarriage in tanks- tables in vol one

15. The EmS for the substance – thereare now separate codes for spillage andthe tables can be found in supplement

Dangerous goods list(DGL)16. Stowage and segregationrequirements found in vol one

17. Properties and observations-sometimes a description of thesubstance with specific details

concerning it properties in relation tofire, spillage, handling, etc

MHB materials:It should be remembered that onlypackaged dangerous goods details are

given in the DGL; those that aredangerous in bulk quantities are dealtwith in “ IMO code of practice for solidbulk cargoes ” (BC Code).Referred to later in this unit.

an example of containercontaining packages of

dangerous substancesbelonging to differentclasses. Only placards have to

be affixed.

IMDG software:Shippers, forwarders and agents worldwideusecheck their DG shipments, producedocumentation and to e-mail a bookingrequest to their shipping line.especially useful for occasional consignmentsand for document generation andtransmission without the need for an in-housesystem.

IMDG software:Check if shipments are allowed onpassenger or cargo-only sailings

Guide users through packaging checksand options, including inner and outerpackaging limits and Intermediate BulkContainer (IBC) types

IMDG software:Display Limited Quantity exemptionsthat may be utilised

Specify relevant portable tank containerand road tank vehicle types

IMDG software:When all the substances in the loadhave been processed, produce aDangerous Goods Note (DGN) that canbe saved on the user's computer,printed out and also sent to a selectedshipping line as an e-mail. An EDI

message that eliminates re-keying ofthe information by the shipping line canbe automatically attached.

IMDG software, benefits:Simplifies and speeds DG process

A cost-effect

Reduces errorSupports booking staff Enhances customer service Improves safety

IMDG software:Refer to case studies 1,2.container and chemical cases

Emergency schedule or EmS:Identifies the emergency actions forboth fire and spillage situations

involving dangerous goods beingcarried on board.

Emergency schedule or EmSf d

information regarding Fire Immediate action the crew shouldundertake and the possible effects on

the ship. Methods to employ to fight fire forboth on deck and under deck

Prevention action direction Actions in special cases

Emergency schedule or EmSf d ll

information regarding spillageComments on protective equipment andimmediate action to take

Action in response to spillage,information regarding collection ofresidues

Instructions regarding marine pollutants

S f fi

EmS for fire:Examples from the book:Pages 17,19 supplement

E S f ill

EmS for spillage:Pages 53,54 of supplement

Code of safe practice for solid bulk cargoes

Introductions, 10 sections and 6appendices.

S ti 1 d fi iti

Section 1 definitions: Angle of reposeFlow moisture point

Flow stateMoisture migrationStowage factorTransportable moisture limit

S ti 2 G l ti

Section 2 General precautionsDistribution F&AMaximum number of tons 0.9LBD tons

If untrimmed pile peak 1.1D*SF

S ti 3 f t f l

Section 3 safety of personnelPoisoning and asphyxiationHealth hazard due to dust

Flammable atmosphere Ventilation systemsIn transit fumigation

S i 4 f b l

Section 4 assessment for acceptability

CertificatesSampling procedures

Frequency of sampling

Section 5 trimming procedures

Section 5 trimming procedures Angle of repose less than or equalto35 °

Angle of repose more than 35°

Section 6 determining A R

Section 6 determining A.RHow the cargo is loadedTilting box method

In site methodOn board method

Section 7 8 9 10

Section 7,8,9,107 cargoes which may liquefy8 cargoes which may liquefy test

procedures9 material possessing chemical hazards10 stowage factor conversion table

Pages 31,32,33 of BC codeshows the segregation

requirements of solid bulk

cargoes

Appendix A

List of bulk materialswhich may liquefy

Example:Iron ore

Appendix B

List of bulk materialpossessing chemical

hazardsExample:Ammonium

Nitrate

Appendix C

List of bulk materialneither in A nor in B

Example:Cement

Appendix D

Laboratory test procedures,associated apparatus and

standards

Appendix E

Appendix EEmS no and applicationSpecial emergency equipment to be

carriedEmergency proceduresEmergency action

Medical first aidexample: page 129 BC code

Examples of specialequipments to becarried on board:

Appendix F

Entering cargospaces,tanks,pump rooms,fuel

tanks,cofferdams,duct keels,ballast tanks and similarenclosed compartments.

What is an enclosed space?

What is an enclosed space?The atmosphere may be incapable ofsupporting life due to oxygen deficiencyor presence of toxic or flammablegases.Best to employ permit to wok system

Examples of enclosed space:

Note Any one who attempts to carry outa rescue without following correctprocedures is endangering his own

life and that of the person he isattempting to rescue.

Thank you very much foryour patience

your patience

Please do not

hesitate to ask your questions

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