Advanced Training for Liquefied Gas Tanker Cargo Operations

Familiarity with physical and chemical properties of liquefied gas cargoes

• Basic chemistry and physics of liquefied gases with reference to the information contained in Material Safety Data Sheet (MSDS)

  • • Chemical structure of gases 

    • Properties and characteristics of liquefied gases (including CO2) and their vapours

    • Properties of single liquids 

    • Nature and properties of solutions

    •  Thermodynamic units 

    • Basic thermodynamic laws and diagrams

    •  Properties of materials 

    • Effect of low temperature – Brittle fracture

Take precautions to prevent hazards

• Hazards and control measures associated with liquefied gas tanker cargo operations 

  • • Flammability 

    • Explosion 

    • Toxicity 

    • Reactivity 

    • Corrosivity

    • Health hazards 

    • Inert gas composition 

    • Electrostatic hazards 

• Monitoring and gas-detection systems, instruments and equipment

• Dangers of non-compliance with relevant rules/regulations

Take precautions to prevent pollution of the environment

• Procedures to prevent pollution of the environment

Apply occupational health and safety precautions

• Safe working practices, including risk assessment and personal shipboard safety relevant to liquefied gas tankers

  • • Precautions to be taken when entering enclosed spaces (such as compressor rooms), including the correct use of different types of breathing apparatus

    • Precautions to be taken before and during repair and maintenance work, including work affecting pumping, piping, electrical and control systems

    • Precautions for hot and cold work

    • Precautions for electrical safety 

    • Use of appropriate Personal Protective Equipment (PPE)

    • Precautions for cold burn and frostbite

    • Proper use of personal toxicity monitoring equipment

Ability to safely perform and monitor all cargo operations

• Design and characteristics of a liquefied gas tanker

  • • Liquefied gas tanker design, systems, and equipment

    • Types of liquefied gas tankers and cargo tanks construction

    • General arrangement and construction

    • Cargo containment systems, including materials of construction and insulation

    • Cargo-handling equipment and instrumentation

    • Cargo temperature maintenance system

    • Tank atmosphere control systems (inert gas, nitrogen), including storage, generation and distribution systems

    • Cofferdam heating systems

    • Gas-detecting systems

    • Ballast system

    • Boil-off systems

    • Reliquefaction systems

    • Cargo Emergency Shut Down system (ESD)

    • Custody transfer system

• Pump theory and characteristics

• Loading, unloading, care and handling of cargo

• Cargo measurements and calculations

  • • Liquid phase 

    • Gas phase 

    • On Board Quantity (OBQ) 

    • Remain On Board (ROB) 

    • boil-off cargo calculations

• Safe preparations, procedures and checklist for all cargo operations

  • • Post docking and loading

    • Sea passage

    • Unloading

    • Pre-docking preparation

    • Ship to ship transfer

• Effect of bulk liquid cargoes on trim and stability and structural integrity

• Management and supervision of personnel with cargo related responsibilities

Respond to emergencies

• Liquefied gas tanker emergency procedures

  • • Ship emergency response plans 

    • Cargo operations emergency shutdown procedure 

    • Emergency cargo valve operations

    • Actions to be taken in the event of failure of systems or services essential to cargo operations 

    • Firefighting on liquefied gas tankers 

    • Jettisoning of cargo 

    • Enclosed space rescue

• Collision, grounding or spillage and envelopment of the ship in toxic or flammable vapour

• Medical first-aid procedures and antidotes onboard a liquefied gas tankers, with reference to the Medical First Aid Guide for Use in Accidents Involving Dangerous Goods (MFAG)

Monitor and control compliance with legislative requirements

• MARPOL and other relevant IMO instruments, industry guidelines and port regulations 

• IBC and  IGC codes