Course Content
IMDG Code Training
IMDG Code Training: Course Summary The IMDG Code Training is a mandatory certification course for shore-based personnel and seafarers involved in the shipping of hazardous materials by sea. It ensures that dangerous goods are handled, documented, and transported in a way that prevents maritime accidents and environmental pollution. Core Focus Areas Identification: Using the Dangerous Goods List (DGL) to classify substances into 9 Hazard Classes. Packaging: Selecting the correct containers and understanding "Packing Groups" based on the level of risk. Communication: Applying correct labels, marks, and placards to packages and shipping containers. Documentation: Properly completing the Dangerous Goods Declaration (DGD) and Container Packing Certificate. Safety & Stowage: Following strict rules on how chemicals must be separated (segregation) on a vessel to prevent dangerous reactions. Key Outcomes Legal Compliance: Meets the mandatory training requirements of IMDG Code Chapter 1.3. Risk Mitigation: Reduces the likelihood of cargo being rejected at port or causing fires/leaks at sea. Certification: Provides a valid certificate (typically for 2 years) aligned with the current Amendment (e.g., 42-24).
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Chapter 1.1 – General Provisions
1.2 DEFINITIONS, UNITS OF MEASUREMENT AND ABBREVIATIONS
CHAPTER 1.3 – TRAINING
CHAPTER 1.4 – SECURITY PROVISIONS
CHAPTER 1.5 – GENERAL PROVISIONS CONCERNING RADIOACTIVE MATERIAL
PART 2: CLASSIFICATION
PART 3: DANGEROUS GOODS LIST, SPECIAL PROVISIONS & EXCEPTIONS
PART 4: PACKING AND TANK PROVISIONS
PART 5: CONSIGNMENT PROCEDURES
PART 6: CONSTRUCTION AND TESTING OF PACKAGINGS, IBCs, LARGE PACKAGINGS, PORTABLE TANKS, MEGCs AND ROAD TANK VEHICLES
PART 7: PROVISIONS CONCERNING TRANSPORT OPERATIONS
Protected: International Maritime Dangerous Goods (IMDG) Code

PART 6: CONSTRUCTION AND TESTING OF PACKAGINGS, IBCs, LARGE PACKAGINGS, PORTABLE TANKS, MEGCs AND ROAD TANK VEHICLES

Part 6 ensures that all containment systems used for dangerous goods maintain integrity during transport.
The goal is to prevent leaks, ruptures, contamination, fire escalation, and radiation exposure by enforcing design, inspection, and testing standards before and during usage.

Chapter 6.1 – Construction and Testing of Packagings

This chapter covers standard packagings such as boxes, drums, jerricans, and bags.

Key requirements:

  • Use of approved construction materials compatible with cargo

  • UN testing for mechanical strength: drop, stacking, pressure, vibration tests

  • Marking rules to display packaging type, year of manufacture, manufacturer code

  • Performance-linked certification for specific packing groups (I, II, III)

Training objective:
Learners must understand how packaging design prevents leaks and absorbs mechanical stress during handling and sea transport.

Chapter 6.2 – Pressure Receptacles, Aerosols, Gas Cartridges & Fuel Cell Cartridges

This chapter covers containers that hold gas under pressure, which present high energy and rupture hazards.

Key features:

  • Cylinders, aerosol cans, small gas cartridges

  • Wall thickness, valve design, burst pressure limits

  • Periodic inspection cycles

  • Leakproofness and resistance to corrosion

Training objective:
Personnel must recognize pressure receptacle markings and ensure equipment is certified before filling or loading.

Chapter 6.3 – Packagings for Class 6.2 Infectious Substances Category A

Category A infectious materials can cause severe or fatal disease.

Requirements:

  • Triple packaging system (primary receptacle, leakproof secondary, strong outer)

  • Impact and pressure resistance testing

  • Leakproof seals to prevent biological contamination

  • Resistance to extreme temperatures during air or sea transport

Training objective:
Ensure correct containment to prevent human or environmental exposure from microbiological hazards.

Chapter 6.4 – Radioactive Material Packages & Approval

Radioactive material demands shielding and strict regulatory control.

Standards include:

  • Package types (Type A, Type B, Type C)

  • Radiation leakage limits

  • Drop, puncture, fire and water immersion tests

  • Competent authority approval for high-risk packages

Training objective:
Recognize that radioactive packaging safety is not negotiable—failure can expose humans to invisible, long-lasting hazards.

Chapter 6.5 – Intermediate Bulk Containers (IBCs)

IBCs are used for large quantities of liquids and solids, providing efficiency and reusability.

Requirements:

  • Construction from plastic, metal, composite materials

  • UN certification testing

  • Resistance to chemicals and impact

  • Periodic inspection and repair criteria

Training objective:
Learn how IBC design ensures safe handling using forklifts & cranes, and reduces spill risk.

Chapter 6.6 – Large Packagings

Used for oversized or heavy dangerous goods transported in bulk-like form.

Features:

  • Capacity > 400 kg

  • Structural integrity testing

  • Reusable design with maintenance standards

Training objective:
Understand when large packagings are chosen over multiple small packages for logistical efficiency.

Chapter 6.7 – Portable Tanks & MEGCs

Portable tanks and MEGCs carry large volumes of liquids or compressed gases.

Critical elements:

  • Design codes (T-codes) linked to hazard characteristics

  • Pressure relief systems to prevent explosions

  • Shell thickness & corrosion control

  • Inspection intervals for structural verification

Training objective:
Tank safety prevents catastrophic failures such as BLEVE (Boiling Liquid Expanding Vapor Explosion).

Chapter 6.8 – Road Tank Vehicles & Road Gas Element Vehicles

These tank systems move DG over land, providing continuity between ship and inland logistics.

Uses:

  • Transport of flammable liquids, corrosives, liquefied gases

  • Compatibility of design with road standards

  • Pressure control & emergency valves

Training objective:
Recognize that road tank vehicles entering ports must meet equivalent safety as shipping equipment.

Chapter 6.9 – Bulk Containers (Design & Testing)

Bulk containers carry solid dangerous goods in loose form.

Requirements:

  • Rigid bulk containers, ventilated or closed types

  • Leak tightness testing

  • Resistance to tearing or collapse

Training objective:
Bulk container failure can release dust clouds or reactive solids—construction reliability is essential.

Chapter 6.10 – FRP (Fiber-Reinforced Plastic) Portable Tanks

Used where corrosion resistance is needed (e.g., acids).

Key requirements:

  • Material testing for heat, UV, chemical resistance

  • Shell strength & fatigue testing

  • Inspection to detect fiber delamination

Training objective:
Learners must understand advantages and limitations of FRP for corrosive cargo.

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