Marking, Labelling of packings, Placarding and Marking of CTUs, Dangerous Goods Declaration, Shippers' declaration, Packers' Declaration, Shipping Papers, IMDG Code requirements for shipping dangerous goods by sea.

1. IMDG Code Consignment Procedure
✓ Introduction to IMDG Code
✓ Marks
✓ Labels
✓ Placards
✓ Dangerous Goods Declaration
Organised by Presented by Shashi Kallada
16th April
12-1300
IST

2. Introduction
Dangerous goods are those goods which has inherent
properties to cause harm to living things, environment and
damage to properties.
Example:
• Explosives
• Pesticides
• Bleach
• Acids
• Paint
• Gas
• Table tennis balls
Dangerous Goods

3. Introduction
Major fires abord ships

4. Introduction
Placarding and
marking 52.18%
Marking &
Labeling 9.32%
Documentation
15.63%

5. Introduction
International Maritime Dangerous Goods (IMDG) Code regulates
transport of dangerous goods in packaged form.
Packaged form means dangerous goods in packages authorized
by IMDG Code
Example packagings:
• Drums
• Jerricans
• Boxes
• Bags
• Cylinders
• Tank & Bulk Container
IMDG Code

6. Introduction
IMDG Code 39th Amendment published in 2018 is mandatory
from 1st Jan 2020 till 31st Dec 2021.
The Code Contains volume 1, 2 and supplement
Volume 1
Part 1: General Provisions, training, security
Part 2 : Classification
Part 4 : Packagings, tanks and bulk containers
Part 5 : Marking, Labeling, Placarding, Documentation
Part 6 : Construction and testing of packagings
Part 7 : Transport operations
IMDG Code

7. Introduction
IMDG Code 39th Amendment published in 2018 is mandatory
from 1st Jan 2020 till 31st Dec 2021.
The Code Contains volume 1, 2 and supplement
Volume 2
Part 3 : Dangerous Goods list, special provisions & exemptions
Supplement ( used on board ships )
Medical first aid guide
Fire and spillage schedules (EmS)
Safe Carriage of Packaged Irradiated Nuclear Fuel, Plutonium and
High-Level Radioactive Wastes
Fumigation on board ships
Reporting procedures
IMDG Code

8. Dangerous goods are assigned to one of the classes 1–9 according
to the hazard they present. Some of these classes are subdivided
Class 1: Explosives ( 1.1 to 1.6 )
Class 2: Gases
Class 2.1: flammable gases
Class 2.2: non-flammable, non-toxic gases
Class 2.3: toxic gases
Class 3: Flammable liquids
Class 4: Flammable solids; substances liable to spontaneous
combustion; substances which, in contact with water, emit
flammable gases
• Class 4.1: flammable solids, self-reactive substances, solid desensitized explosives and
polymerizing substances
• Class 4.2: substances liable to spontaneous combustion
• Class 4.3: substances which, in contact with water, emit flammable gases
Dangerous Goods classes
IMDG Code
Chapter(s) 2.0-2.10

9. Dangerous goods are assigned to one of the classes 1–9
according to the hazard they present.
Some of these classes subdivided
Class 5: Oxidizing substances and organic peroxides
Class 5.1: oxidizing substances
Class 5.2: organic peroxides
Class 6: Toxic and infectious substances
Class 6.1: toxic substances
Class 6.2: infectious substances
Class 7: Radioactive material
Class 8: Corrosive substances
Class 9: Miscellaneous dangerous substances and articles
Some of the dangerous goods are marine pollutants
Dangerous Goods classes
IMDG Code
Chapter(s) 2.0-2.10

10. IMDG Code chapter 3.2 contains Dangerous Goods List
Dangerous goods list contains 18 columns
UN Numbers & Proper Shipping Name
IMDG Code
Chapter(s) 3.2
Column numbers in brackets() and reference chapter numbers
UN No.
4 digits Number
assigned to a
dangerous good by
the United
Nations.
Proper Shipping
Name (PSN)
Name to be
marked on
packagings,
declared in
dangerous goods
declaration

11. IMDG Code consignment procedure includes
• General provisions
• Marking and labelling of packages including IBCs
• Placarding and marking of cargo transport units
• Documentation
• Special provisions
CONSIGNMENT PROCEDURES
IMDG Code Chapter(s)
5.1, 5.2, 5.3, 5.4, 5.5

12. IMDG Code chapter 3.2 contains Dangerous Goods List
Column 1 to 4 become marks and labels on packages
Column 6 may require additional marks or may dispense a label
Example: special provision “274”
Marking and labeling
IMDG Code Chapter(s)
3.2, 3.3, 5.1, 5.2
Labels
Dimond shaped
warning signs
Marks
• Proper
shipping name
• Technical
name
• Marine
Pollutant mark

13. Special Provision 274
Marking and labeling
IMDG Code Chapter(s)
3.2, 3.3, 5.1, 5.2
Example 1
UN 1170
Package to
display
UN Number
Proper Shipping
Name
Class 3 label
Example 2
UN 3265
Package to
display
UN Number
Proper Shipping
Name (Technical
Name)
Class 8 label

14. The UN number and the letters “UN” shall be at least 12 mm high
Packages of 30 litres or30 kg or less = 6 mm
Cylinders of 60 litres water capacity = 6 mm
Size of Marking
IMDG Code
Chapter(s) 5.2
Height of UN & 4 digits

15. Overpacks must be additionally marked with “OVERPACK”
The lettering of the “OVERPACK” marking shall be at least 12 mm
high.
Overpack
IMDG Code
Chapter(s) 5.1
An overpack and
unit load shall
repeated the
marks and labels
if same are not
visible on
packages
In addition, an
over pack shall
be marked with
the word
“OVERPACK”
unless marks
and labels are
visible

16. Intermediate bulk containers of more than 450 L capacity and
large packagings shall be marked on two opposing sides.
IBCs
IMDG Code
Chapter(s) 5.2
An overpack and
unit load shall
repeated the
marks and labels
if same are not
visible on
packages
In addition, an
over pack shall
be marked with
the word
“OVERPACK”
unless marks
and labels are
visible

17. Packages containing marine pollutants must be marked with
Marine Pollutant Mark
There are exemptions for smaller packages of 5kg or 5l and less
Marine Pollutant
IMDG Code Chapter(s)
3.2, alphabetical list, 5.2
Dangerous
Goods list
column 4 and
alphabetical list
indicate marine
pollutants with
symbol “P”

18. Dangerous goods in limited and excepted quantities have
different marking requirements in chapters 3.4 and 3.5.
They must be consigned according to column 7a and 7b of
dangerous goods list in chapter 3.2
Limited and Excepted Quantities
IMDG Code
Chapter(s) 3.2, 3.4, 3.5

19. • Combination packagings having inner packagings containing
liquid dangerous goods;
• Single packagings fitted with vents; and
• Cryogenic receptacles for refrigerated liquefied gases
• shall be legibly marked with package orientation arrows
Orientation arrows
IMDG Code
Chapter(s) 5.2

20. • Square set at an angle of 45° (diamond-shaped)
• 100 mm by 100 mm
• A line 5 mm inside the edge and running parallel with it
• Upper half of a label the line shall have the same colour as the
symbol and in the
• Lower half it shall have the same colour as the figure in the
bottom corner
• Labels shall be displayed on a background of contrasting
colour, or shall have either a dotted or solid outer boundary
line
Label - Specification
IMDG Code
Chapter(s) 5.2

21. Durability shall be such that marks and labels are still be
identifiable on packages surviving at least three months’
immersion in the sea.
Durability of Marks Labels
IMDG Code
Chapter(s) 5.2

22. Cargo transport unit means a road transport tank or freight
vehicle, a railway transport tank or freight wagon, a multimodal
freight container or portable tank, or an MEGC.
Marking and Placarding of CTU
IMDG Code
Chapter(s) 5.3

23. Freight container must display
1. Class placard
2. Subsidiary Hazard Placard
3. Marine Pollutant Mark
Marking and Placarding of CTU
IMDG Code
Chapter(s) 5.3

24. Cargo mass & UN Number display
1. Single cargo with less than 4000 kg mass no UN number to be
displayed
2. Single cargo with more than 4000 kg mass UN Number must
be displayed
Marking and Placarding of CTU
IMDG Code
Chapter(s) 5.3
Freight containers
(which is loaded in excess of
4000kg gross mass of packaged
dangerous goods, to which only one
UN number has been assigned
Freight containers
(which is loaded less than 4000kg
gross mass of packaged dangerous
goods with general cargoes or
different UN numbers of dangerous
goods)
Image courtesy
Korean
Authority

25. Marking and Placarding of CTU
IMDG Code
Chapter(s) 5.3
Single hazardous
substance – less than
4000 kgs
4 x Diamond placards
Single hazardous
substance – more
than 4000 kgs
4 x Diamond placards
4 x UN Numbers
Image courtesy
UKPANDI

26. UN Number Display
IMDG Code
Chapter(s) 5.3
UN Number may be displayed with then placard or in an orange
panel
Against a white background in the area below the pictorial symbol
and above the class number
On an orange rectangular panel not less than 120 mm high and
300 mm wide, with a 10 mm black border, to be placed
immediately adjacent to each placard
In black digits not less than 65 mm high
Label suppliers

27. UN Number Display
IMDG Code
Chapter(s) 5.3

28. Marking and Placarding of Tank
IMDG Code
Chapter(s) 5.3
A tank container carrying dangerous goods or residue of
previously carried dangerous goods must be marked and
placarded as below.
• UN Number on all four sides
• Proper Shipping Name on two sides
• Class and subsidiary hazards(s) placards on all four sides
• If Marine Pollutant, marine pollutant mark on all four sides

29. Marking and Placarding of Tank
IMDG Code
Chapter(s) 5.3
Marking of Proper Shipping Name
The proper shipping displayed in characters not more than 65
mm high. Contrasting colour with the background. This may be
reduced to 12 mm for portable tank containers with a capacity of
less than 3,000 L.

30. Fumigated Cargo Transport Unit
IMDG Code
Chapter(s) 5.5
Fumigated containers must display below mark on the door of the
unit
Must be removed only after unloading the unit

31. Expendable Refringents
IMDG Code
Chapter(s) 5.5
Cargo transport units with expendable refrigerants (dry ice, liquid
nitrogen etc) must display below warning sign

32. Durability shall be such that marks and placards are still be
identifiable on packages surviving at least three months’
immersion in the sea.
Durability of Marks & Placards
IMDG Code
Chapter(s) 5.2

33. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
No one sees what's in the container
Primary requirements of a DGD is to convey the fundamental
information relative to the hazards of the goods

34. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Boxes 1 to 22 in DGD

35. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Box 14
Must declare
• Dangerous Goods Description
• Type of packages and quantity
• Supplement Proper Shipping Name

36. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Box 14
Description of Dangerous Goods must only be entered in below
sequence without any change.
1. the UN number preceded by the letters “UN”;
2. the proper shipping name, (Technical Name if SP 274 or 318)
3. the primary hazard
4. subsidiary hazard class
5. where assigned, the packing group
Sequence must
not be changed

37. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Box 14
Example of Dangerous Goods Description
• UN 1098, ALLYL ALCOHOL 6.1 (3) I (21°C c.c.)
• UN 1098, ALLYL ALCOHOL, class 6.1, (class 3), PG I, (21°C c.c.)
• UN 1092, Acrolein, stabilized, class 6.1 (3), PG I, (-24°C c.c.), MARINE
POLLUTANT/ENVIRONMENTALLY HAZARDOUS
• UN 2761, Organochlorine pesticide, solid, toxic, (Aldrin 19%), class 6.1, PG III,
MARINE POLLUTANT
Sequence must
not be changed

38. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Box 14 - Quantity
Total quantity of dangerous goods must be entered for each item
of dangerous goods bearing a different proper shipping name, UN
number or packing group.
Example 10 steel drums 100 KG or 100 fibreboard boxes 1000
kg.
Sequence must
not be changed

39. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Box 14 - Empty Uncleaned Package
If the package is uncleaned and returning with residue then the
words “EMPTY UNCLEANED” or “RESIDUE LAST CONTAINED must
be entered before or after the dangerous goods description.
Example
EMPTY UNCLEANED UN 1098, ALLYL ALCOHOL 6.1 (3) I (21°C
c.c.)
Or
UN 1098, ALLYL ALCOHOL 6.1 (3) I (21°C c.c.) EMPTY
UNCLEANED
Sequence must
not be changed

40. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Box 14 - Limited Quantities and Excepted Quantities
If the shipment is in limited quantities the words “limited
quantity”
or “LTD QTY” must be included.
If the shipment is in excepted quantities words “dangerous goods
in excepted quantities” must be included.

41. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Box 14 – Temperature controlled
For Self-reactive substances, polymerizing substances and organic
peroxides
“Control temperature: … °C Emergency temperature: … °C”.

42. Dangerous Goods Declaration (DGD)
IMDG Code Chapter(s)
3.2, Supplement
Box 14 – EmS
EMERGENCY RESPONSE PROCEDURES FOR SHIPS CARRYING
DANGEROUS GOODS (EMS GUIDE)
Fire & Spillage schedules
EmS is listed in column 15 of DGL in chapter 3.2
EmS is published in supplement to IMDG Code
• Not required to declare in DGD by shipper
• Unless shipper assigns a different EmS

43. Dangerous Goods Declaration (DGD)
IMDG Code Chapter(s)
3.2, Supplement
Box 14 – Emergency Response Telephone Number
Not required by IMDG Code
• Required by certain country specific rules
• Many carriers may ask
Must be
• 24 hours answering
• With knowledge to advise on fire, spillage and first aid

44. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Box 20 & 22 – Packer and Shipper

45. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Continuation page

46. Dangerous Goods Declaration (DGD)
IMDG Code
Chapter(s) 5.4
Responsibilities
Shipper = Marks, Labels
Shipper / Packer = Placards
Shipper = Dangerous Goods Declaration + Packing certificate
Packer = Packing certificate

47. SAFETY
• Mark, Label, Placard, Declare
Seafarers depends on the compliance by shippers and
packers for their safety!

48. IMDG Code
Chapter(s) 1.3
• IMDG Code require Mandatory Training for all
shoreside personnel involved in transport of
dangerous goods
– classify
– pack
– mark, label or placard dangerous goods;
– load/unload Cargo Transport Units;
– prepare transport documents for dangerous goods;
– offer dangerous goods for transport;
– accept dangerous goods for transport;
– handle dangerous goods in transport;
– prepare dangerous goods loading/stowage plans;
– load/unload dangerous goods into/from ships;
– carry dangerous goods in transport;
Training

49. Further reference
500+ articles & Helpdesk
Knowledge and Questions
Shashi kallada .
com

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