Course Topics
- DGS-GASCO Advanced Training for Liquefied Gas Tanker Cargo Operations
- Introduction
- Production of Liquefied Gases
- LPG Production
- LNG Production
- Production of Chemical Gases
- Sea transportation of Liquefied Gases
- The Stakeholders
- Development of Liquefied Natural Gas Transportation
- Natural Gas and Shale Gas
- Liquefied Gases
- Terminology
- Chemistry and Physics
- Properties and characteristics of liquefied gases and their vapours
- Behaviour of Gases
- Behaviour of LNG
- Inert Gas
- Basic Thermodynamic Theory
- States of Matter
- Gas Laws
- Properties of single liquid
- Nature and Properties of solution
- Control of boil-off
- LNG boil-off systems and arrangements
- Hazards
- Health Hazards
- Major Hazards to health
- The Human body and health
- First Aid treatment
- Injuries and treatments
- Intake of Poisons
- Reactivity, Flammability and Explosion
- Reactivity
- Flammability and Explosion
- Flammability of Methane
- Hazard from Static Electricity
- Precaution against sources of ignition
- Hazards
- Spillage Hazards
- Risk Management
- Information on a Safety Data Sheet (SDS)
- Repairs and hot work
- Rules and Regulations
- International and National Codes and Regulations
- IGC Code and the ship design
- IGC code
- Gas Carrier Codes Certification and Surveys
- Ship Design and Cargo Containment
- Ship Types
- Fully pressurised ships
- Semi-pressurised ships
- Ethylene Carriers
- Fully Refrigerated ships
- LNG Carriers
- Ship Survival Capability
- Design for Survival Capability
- Ship Arrangements and Principle of Design
- Liquefied Gas Tanker Layout and Plans
- General Arrangement Plans
- Identification of Hazardous Areas
- Electrical Equipment and Protections in Hazardous Areas
- Construction and equipment requirements
- Construction Materials
- Insulation of Cargo Tanks
- Propulsion Systems
- Conventional Steam Turbine
- Ultra-Steam Turbine UST or Reheat Steam Turbine RST
- Dual Fuel Diesel Electric-DFDE
- Slow Speed Diesel with Re-liquefaction Plant
- High Pressure Gas Injection Slow Speed Diesel -MEGI
- Gas Turbine Combined Cycle (COGES)
- Selection of Propulsion Systems
- Cergo Containment Systems
- IMO Type A
- IMO Type B
- IMO Type C
- Membrane Type
- Equipment and Support systems
- Water Curtain and Deck Spray
- Low Duty and High Duty Gas Compressors
- Compressor Lubricating Oil System
- Low Duty and High Duty Gas Heaters
- Warm-up and Boil-off Gas Heaters
- Integrated Automation System (IAS) Distributed Control System (DCS)
- High Voltage System
- Steam Turbine Propulsion
- 2-Stroke Diesel Propulsion
- Gas Turbine/ Electric Propulsion
- Dual-Fuel Electric Propulsion
- DFDE system and its operation
- Comparing Technologies
- Cargo Pumps and Spray Pumps
- Submerged LNG Pumps
- Deepwell Pumps
- Pump details
- Spray Stripping Pumps and its operation
- Portable Gas Detectors
- Fixed Gas Detection Systems
- Emergency Shut Down System ESDS
- LNG Cargo ESD System layout
- ESD Initiation and testing
- Ship-Shore Linkage for Safety during Cargo Operation
- Level Gauging System
- Cargo Handling Systems
- Cargo Ventilation System
- Tanks, piping and valves
- Main Pipelines and fittings
- Liquid
- Vapour
- Others
- Valves and Strainers
- Loading and Unloading
- Strainers and Relief Valves
- Vapour Control
- Cool Down
- Cargo Pumps and the Unloading System, Spray Pumps
- Submerged LNG Pump Operation
- Spray Pump Operations
- Low and high duty compressors and heaters
- Reliquefaction plants, Re-gasification plants
- LNG Reliquefaction Plant
- LPG Reliquefaction Plant
- Re-gasification
- Regas Systems
- Regas applications and trends
- LNG Vaporizers and Forcing Vaporizers
- Standard Vaporizer
- Forcing Vaporizer
- A Typical Vaporizer System
- Inert Gas Generator and Nitrogen Generator
- Inert Gas Generator
- Nitrogen Generator
- Nitrogen pressurization and Purging of Cargo Tanks
- Instrumentation and auxiliary systems
- Vacuum Pumps
- Relief Valves
- Emergency Cargo Pump
- Custody Transfer Measurement System CTMS
- Cofferdam Heating System
- Safety
- Tank atmosphere evaluation
- Portable Gas Detectors
- Fire prevention and equipment
- Gas Tanker fire organization
- Firefighting Plans and Regulations
- Cargo Fire
- Special hazards for LNG cargo
- Flammability and explosion
- Flash point and Auto-ignition
- Fire hazards
- Firefighting agents used to extinguish gas fire
- Fixed and Portable Firefighting System Operations
- Fire Detection System
- Fire Detectors and Alarms
- Firefighting equipment and systems
- Fixed firefighting Water Deluge System
- Water - spray system
- Fixed firefighting CO2 System
- Fixed Dry Chemical system operations
- Dry Powder System
- DP Deck System
- Fixed firefighting foam system
- Portable fire extinguishing operations
- Pollution
- Effect of Liquid and vapour densities
- Methane as GHG
- Methane and Formaldehyde
- Spill containment
- Protective and safety equipment
- Personnel safety measures
- Gas Tanker Safety Culture and Safety Management
- Developing Safety Culture
- Cargo Handling Operations
- General Cargo Handling
- Ship/Shore preparation and Manifold connection
- Cargo sampling and manifold arrangement
- Preparations for loading
- Evacuating
- Drying Cargo Tanks
- Pressurizing
- Inerting
- Gassing-up and Purging Cargo Tanks
- Cooling Down Cargo Tanks
- Loading Operations
- Procedures for preparation for loading/unloading
- Pre-operational Studies
- Loading Cargo Tanks
- Discharging of Cargo
- Loaded voyage
- Boil-off Management
- Cargo Tank Pressure and level control
- Prevention of Sloshing
- Ballast Passage
- Ballasting System
- Cold Maintenance during ballast voyage
- Cargo Tanks Pressure and Level Control
- Prevention of Sloshing
- Cargo Measurement and calculation
- Boil-off and Heel
- Cargo Measurement Principles
- Cargo Calculation Methods
- Procedures for Dry-docking
- Heating Cargo Tanks
- Inerting prior aerating cargo tanks
- Aerating of Cargo Tanks
- Precautions in Drydock
- Moss Carriers
- Ship/Shore Interface
- Marine Loading Arm
- Arc Isolating Flange
- Pressure Surge Protection
- Emergency Release Systems
- Emergency Shut Down System
- Breasting and Mooring Dolphins
- Fenders for LNG terminals
- LNG terminal equipment and systems
- Emergency Operation
- Organisational Structure
- Alarms
- Emergency Procedures
- Cargo Pump Failure
- Leak from Cargo Tank
- Loss of primary Barrier
- Ballast Tank Leakage into Containment Space
- Nitrogen Supply Failure
- Jettison of Cargo
- Emergency Ship to Ship Transfer - STS
- Overfilling of a Cargo Tank
- Loss of Cargo Pipeline Containment
- Failure of Integrated Automation System
- Uncontrolled Release of Cargo
- Cargo Spillage
- Emergency Mooring Release
- Acknowledgements
DGS-GASCO Advanced Training for Liquefied Gas Tanker Cargo Operations
DGS-GASCO: Advanced Training for Liquefied Gas Tanker Cargo Operations
Course Scope
The course is to give seafarers the essential education and training in tanker cargo operations to meet the knowledge, understanding and proficiency requirements set out by the IMO Convention on Standards of Training, Certification and Watchkeeping, STCW A-V/1-2, Table A-V/1-2-2. The course is designed for senior officers requiring specialist training for LIQUEFIED GAS tanker operations at a management level.
Course Aims
The course provides the necessary underlying knowledge, and understanding to make the participants proficient and competent on board a LNG tanker to,
- Safely perform and monitor all cargo operations with the knowledge, understanding and proficiency in design and characteristics of a liquefied gas tanker; Knowledge of cargo pumps and equipment and their safe operation; Loading, unloading, care and handling of cargo; in tanker safety culture and safety management; including cargo measurements
- Become Familiar with physical and chemical properties of liquefied gas cargoes having gained the knowledge, understanding and proficiency of basic chemistry and physics and including understanding the information contained in a Material Safety Data Sheet (MSDS)
- Take precautions to control and prevent hazards with the knowledge, understanding, and proficiency of hazards and control measures associated with liquefied gas tanker cargo operations and to calibrate and use monitoring and gas-detection systems, instruments and equipment
- Apply occupational health and safety precautions with the Knowledge, understanding, and proficiency of safe working practices, including risk assessment and personal shipboard safety relevant to liquefied gas tankers
- Respond to emergencies with the Knowledge, understanding, and proficiency of liquefied gas tanker emergency procedures following spillage of toxic or flammable vapour with medical first-aid procedures and antidotes on board liquefied gas tankers
- Take precautions to prevent pollution of the environment with the Knowledge, understanding, and proficiency to prevent pollution of the atmosphere and the environment
- Monitor and control compliance with legislative requirements with the Knowledge, understanding, and proficiency of relevant provisions of the IMO instruments; and the use of the IGC Codes and USCG rules and guidelines
General Learning Objectives
After going through the following topics, student should be able to,
- know the history of liquefied Gas transportation and market trends; Basic knowledge about the origin of different liquefied gases transported by sea and their production process schematics, including important gas terminologies;
- understand Properties and characteristics of liquefied gases and their vapours including the Basic Thermodynamic principles and laws involving Liquefied Gas and Control of LNG boil-off;
- understand the issues of health and safety for handling LNG cargo and the details of Tank atmosphere evaluation; Fire prevention and firefighting; Issues of Pollution with LNG ships and an understanding of Gas Tanker Safety Culture and Safety Management;
- know the Health Hazards and the required First-Aid treatments; other Hazards of LNG as cargo, safety in Repairs and hot work; use of the Safety Data Sheet (SDS) and Risk Management process with LNG;
- understand and be aware of International and National Codes and Regulations involving LNG trade and LNG tankers and have an understanding of the IGC Code for ship design; Gas Carrier Codes Certification and Surveys; National and Natural Gas Flag State Carrier operations that must abide by such regulations
- know the Types of Liquefied Gas Tankers and Cargo Containment Systems; Ship Arrangements and Design features; Ship Survival Capability and types of Propulsion on LNG tanker ships;
- know the Tanks, piping and valves; Ventilation System; Cargo Pumps; Gas Compressors, Gas Heaters, LNG Vaporisers, Cargo Conditioning, Inert Gas Generator, Nitrogen Generator and Custody Transfer Measurement System;
- know the Level Gauging System; Cofferdam Heating; Water Curtain and Deck Spray system; the Fixed and Portable Gas Detection Equipment; and Emergency Shut Down System ESDS; IAS/DCS; High Voltage System as applicable on LNG tanker ships;
- know the Cargo Handling facilities on LNG vessels; Ship/Shore Interface; Post Delivery preparations for loading; Loading Operations, Loaded Voyage; Unloading Operations; Cargo Measurement; Ballast Passage; and Procedures for Dry-docking;
- know the process of Prevention and Handling of Emergencies; and be aware that there are many failure that can happen on board including Cargo Fire, Cargo Pump Failure, Leak from Cargo Tank, Loss of primary Barrier, Ballast Tank Leakage into Containment Space, Nitrogen Supply Failure and how to respond to such situations including: Ship to Ship Transfer; Jettison of Cargo; Overfilling of a Cargo; Loss of Cargo Pipeline Containment; Failure of Integrated Automation System; Uncontrolled Release of Cargo; Cargo Spillage; and Emergency Mooring Release;
