LPG and NGL Truck Loading and Offloading
تحميل وتفريغ شاحنات الغاز المسال وسوائل الغاز الطبيعي
- Next date
- Available in-house
- Fees from
- —per delegate
- Formats
- In-house training0 sessions
- Duration
- 5 daysCertificate
Overview
LPG and natural gas liquids are distributed in large volumes by road tankers from gas plants, refineries and terminals to industrial users, filling plants and retail outlets. Loading these pressurised, highly flammable products is a routine activity, but it carries serious risks. Hose failures, overfilling, drive-away incidents, static ignition and leaks during connection and disconnection can lead to vapour cloud explosions and BLEVEs with devastating consequences for workers and nearby communities. Safe loading depends on well-designed facilities, reliable equipment, clear procedures and trained, alert operators and drivers.
This course provides practical knowledge for the safe and efficient loading of LPG and NGL road tankers. Participants learn the properties and hazards of propane, butane and NGL mixtures, and the design of loading racks, loading arms, hoses, pumps and compressors. The course covers tanker types and fittings, metering and weighbridges, filling limits and overfill prevention, emergency shutdown systems and drive-away protection. It also explains loading and unloading procedures, earthing and static control, gas detection and fire protection, leak response, inspection and maintenance of loading equipment, driver management and the lessons learned from major LPG transport incidents.
Objectives
- Explain the properties and hazards of LPG and NGL products
- Describe loading rack design, loading arms, hoses, pumps and compressors
- Understand tanker types, fittings, filling limits and overfill prevention
- Apply metering, weighbridge and documentation requirements correctly
- Carry out safe loading and unloading with earthing and static control
- Operate emergency shutdown, gas detection and fire protection systems
- Inspect loading equipment and apply lessons from LPG transport incidents
Who should attend
Loading rack operators and supervisors, terminal staff, tanker drivers and transport coordinators, maintenance technicians and HSE personnel.
Training methodology
The course combines explanation of LPG properties and loading equipment with real loading procedures, checklists, equipment drawings and incident reports. Participants calculate maximum filling quantities, review loading rack layouts and safety systems, and walk through loading and unloading sequences step by step. Hose and loading arm inspection records are examined to identify defects. Videos of LPG releases, BLEVEs and drive-away incidents show the consequences of failures. Case studies of major LPG transport accidents are analysed in groups. Each day ends with a short quiz and discussion of practices at participants' sites.
Programme outline
Day1LPG and NGL Properties and Hazards
- Composition and uses of propane, butane, LPG mixtures and natural gas liquids
- Vapour pressure, density, expansion and the behaviour of pressurised liquefied gases
- Flammability limits, ignition energy and the heavier-than-air nature of LPG vapour
- Vapour cloud explosions, jet fires and BLEVEs and how each one develops
- Cold burns, asphyxiation and other health hazards for loading personnel
- Odorisation of LPG and the detection of leaks by smell and instruments
- Practical exercise: calculating vapour volumes produced by a small LPG liquid release
Day2Loading Facilities and Equipment
- Loading rack layout, separation distances and the design of LPG loading bays
- Loading arms and hoses: types, ratings, swivels and breakaway couplings
- Pumps and vapour compressors used for LPG transfer and their control
- Excess flow valves, emergency shutdown valves and remote operated isolation valves
- Metering systems, weighbridges and the accurate documentation of all loaded quantities
- Gas detection, water spray systems and fire protection at loading racks
- Practical exercise: reviewing a loading rack layout and identifying safety improvements
Day3Road Tankers and Filling Limits
- Road tanker types, construction standards and the main fittings on LPG tankers
- Internal valves, relief valves, level gauges and the purpose of each fitting
- Maximum filling ratios, temperature correction and the risk of hydraulic overfill
- Pre-loading inspection of tankers and the rejection of unsafe vehicles
- Driver competence, documentation and the responsibilities of drivers on site
- Transport regulations for dangerous goods and the marking of LPG tankers
- Practical exercise: calculating maximum fill quantities for tankers at different product temperatures
Day4Safe Loading and Unloading Procedures
- Arrival, positioning, wheel chocks and immobilisation of the tanker before loading
- Earthing, bonding and static control before and during product transfer
- Connecting and disconnecting arms and hoses safely and checking for leaks
- Monitoring the loading process, overfill alarms and stopping the transfer correctly
- Drive-away prevention using interlocks, physical barriers and positive confirmation of disconnection
- Unloading at customer sites and the hazards of poorly designed receiving facilities
- Practical exercise: walking through a complete loading sequence with a checklist
Day5Emergencies, Maintenance and Lessons Learned
- Emergency response to leaks, fires and hose failures at LPG loading racks
- Emergency shutdown testing, regular drills and coordination with local fire services
- Inspection, testing and replacement of hoses, loading arms and safety valves
- Maintenance of pumps, compressors, meters and gas detection systems at loading facilities
- Lessons from major LPG tanker and loading incidents around the world
- Group exercise: responding to a hose rupture during LPG tanker loading
- Final assessment and discussion of loading practices at participants' own sites
Dates and fees
There are no scheduled dates for this course at the moment. Request it as in-house training, or ask us about the next date.
Certificate
Every delegate who attends the full programme receives a Harfard Technology certificate of completion stating the course title, duration, dates and venue.
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