Tag Archives: Dangerous goods at sea

The IMDG code- A quick summary

WharfsA handy revision guide to the International Maritime Dangerous Goods Codeimdgcode2016

The safe carriage of dangerous goods at sea

Before this blog moved on from the Document of Compliance for Dangerous goods, it will have a quick look at its related code, the IMDG code.  Its only a quick glance, as the code is a complex read, and one worthy of  closer look later on this blog.

What is the purpose of the IMDG code?

  • Enhance the safe carriage of dangerous goods
  • While facilitating the free unrestricted movement of such goods
  • Prevent pollution to the environment

Why is does the IMDG code need to be complied with?

SOLAS chapter VII Dangerous goods.solas

“Regulation 3 – Requirements for the Carriage of Dangerous Goods

The carriage of dangerous goods in packaged form shall be in compliance with the relevant provisions of the IMDG Code.”

When was the IMDG code first introduced?

The code was first produced in 1965, but it was only recommendary status until 2004.

IMDG code contents

The IMDG code comes in two volumes, the first one with general instructions, and the second one containing the specific instructions for each type of dangerous goods.

Volume 1imdgv1

Part 1 General Provisions, definitions and training

Application, Definitions, Training, Security,  general provisions for radioactive material

Part 2 Classification

The IMDG goods classes, 1 to 9, explained

Part 3 Dangerous goods list –  contained in Volume 2

Part 4 Packing and tank provisions

Part 5 Consignment procedures

Part 6 Construction and testing of packages, IBCs, portable tanks, MECGs and road tank vehicles

Part 7 Provision concerning transport operations

Volume 2

imdgv2

Part 3

3.1 General

3.2 Dangerous goods list

3.3 Special provisions applicable to certain substances, materials or articles

3.4 Dangerous goods packed in limited quantities

3.5 Dangerous goods packed in excepted quantaties

Appendix A List of generic and N.O.S. proper shipping terms

Appendix B Glossary of terms

Information contained in the Dangerous goods list

  • UIN number
  • Proper shipping name
  • Class or division
  • Subsidiary risks
  • Special provisions
  • Limited and excepted quantity provisions
  • Packing
  • IBC
  • Portable tanks and bulk containers
  • Ems
  • Stowage and handling
  • Segregation
  • Properties and observations

Sources of useful IMDG information

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SOLAS and dangerous goods

Navsregs>SOLAS>SOLAS and Dangerous Goods
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After the last handful of posts plugging some equipment related certificates this series will move on to the next group of certificates, those covering dangerous cargoes. Before starting on the certificates themselves there will be a brief pause to put the documents in perspective.

SOLAS  Chapter VII – Carriage of dangerous goods

Some Handy Revision Notes

SOLAS Chapter VII covers the carriage of dangerous goods at sea. It  is split into four parts (covering:

  • Part A – Dangerous goods in packaged form
  • Part A-1 -Dangerous goods in solid form in bulk
  • Part B Dangerous liquid chemicals in bulk
  • Part C Liquefied gases in bulk
  • Part D  Packaged irradiated nuclear fuel, plutonium and high-level radioactive waste

Part A – Carriage of dangerous goods in packaged form

What does it cover?imdg-1

The classification, packing, marking, labelling and placarding, documentation and stowage of dangerous goods.

What is the related code?

International Maritime Dangerous Goods (IMDG) Code

Click here for the IMO IMDG page>

What is the certification required?

Document of Compliance for Ships Carrying Dangerous Goods in Packaged or Dry Bulk Form

Part A-1 – Carriage of dangerous goods in solid form in bulk

imsbc-codeWhat does it cover?

The documentation, stowage and segregation requirements, and requires reporting of incidents involving such goods.

What is the related codes?

  • The International Maritime Solid Bulk Cargoes (IMSBC) Code
  • International Maritime Dangerous Goods (IMDG) Codeimdg-code-cover

Note that the IMSBC Code does not cover the carriage of grain in bulk.  The specific requirements for the transport of grain are covered by the International Code for the Safe Carriage of Grain in Bulk

What is the certification required?

Document of Compliance for Ships Carrying Dangerous Goods in Packaged or Dry Bulk Form

Part B- Ships carrying dangerous liquid chemicals in bulk

What does it cover?

Construction and equipment

What is the related code?

International Bulk Chemical Code (IBC Code).ibccode

What is the certification required?

Certificate of Fitness for the Carriage of Dangerous Chemicals in Bulk

See also the NLS certificate

Part C-ships carrying liquefied gases in bulk and gas carriersimdg-2

What does it cover?

The Construction and equipment

What is the related code?

The International Gas Carrier Code (IGC Code).igc-code

What is the certification required?

Certificate of Fitness for the Carriage of Liquefied Gases in Bulk

Part D-packaged irradiated nuclear fuel, plutonium and high-level radioactive wastesimdg-7

What does it cover?

Special requirements for the carriage

What is the related code?

Irradiated Nuclear Fuel, Plutonium and High-Level Radioactive Wastes on Board Ships (INF Code).

What is the certification required?

International Certificate of Fitness for the Carriage of INF Cargo

Useful links for further information

UK MGN 340 IMDG code and cargoes carried in cargo transport units

UK MCA dangerous goods at sea M Notices

MGN 36 Carrying dangerous goods in packaged or dry form

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