High Risk Work Licence - Bridge and Gantry Crane (CB) study materials
High Risk Work Licence - Bridge and Gantry Crane (CB) study resources

High Risk Work Licence - Bridge and Gantry Crane (CB) key terms

High Risk Work Licence - Bridge and Gantry Crane (CB) · Get comfortable with the vocabulary.

Duty of care

A legal obligation for employers, workers and others to take all reasonably practicable steps to protect the health and safety of everyone affected by the work, including crane operations.

Related: PCBU, Risk control, Hierarchy of control
PCBU

Person Conducting a Business or Undertaking: the legal entity responsible for ensuring health and safety so far as reasonably practicable, including providing and maintaining safe crane equipment and systems.

Related: Duty of care, High risk work licence
High risk work licence

A formal authorisation issued by a regulator that permits a person to perform specified high-risk work, such as operating a bridge and gantry crane, after demonstrating competence.

Related: Competency assessment, Duty of care
Competency assessment

A formal evaluation of a candidate's knowledge, skills and ability to perform high-risk work safely, typically including written, practical and oral components, required to obtain a licence.

Related: High risk work licence
Risk control

The process of implementing measures to eliminate or minimise hazards and their associated risks, following the hierarchy of control, and monitoring their effectiveness.

Related: Hierarchy of control, Risk assessment, Hazard identification
Hierarchy of control

A ranked sequence of risk control measures from most to least effective: eliminate the hazard, substitute, isolate, engineer, administrate, and use personal protective equipment.

Related: Risk control, Risk assessment
Hazard identification

The systematic process of recognising potential sources of harm in the workplace, such as crane defects, load instability, electrical lines, or poor lighting, before they cause incidents.

Related: Risk assessment, Risk control
Risk assessment

A structured evaluation of the likelihood and severity of harm arising from identified hazards, used to prioritise and select appropriate control measures for crane operations.

Related: Hazard identification, Risk control, Hierarchy of control
Safe work method statement (SWMS)

A document that sets out the high-risk construction work activities, the hazards involved, the control measures to be implemented, and how the controls will be monitored and reviewed.

Related: Risk assessment, Job safety analysis
Job safety analysis (JSA)

A procedure that breaks a task into steps, identifies hazards at each step, and specifies control measures; often used in pre-operational planning for crane lifts.

Related: Safe work method statement, Risk assessment
Bridge crane

An overhead crane consisting of a bridge girder that runs on elevated runway beams, with a hoist trolley travelling along the bridge, used for lifting loads in a rectangular area.

Related: Gantry crane, Runway beam, Hoist trolley
Gantry crane

A crane similar to a bridge crane but supported on legs that travel on ground-level rails or tracks, rather than on elevated runway beams, often used outdoors or in yards.

Related: Bridge crane, Rail track, Leg
Runway beam

The elevated structural beam on which a bridge crane's end trucks travel, providing horizontal support and guidance along the length of the crane's travel path.

Related: Bridge crane, End truck
End truck

The assembly of wheels, axles and frame at each end of a bridge crane that rides on the runway beam and supports the bridge structure, allowing longitudinal travel.

Related: Runway beam, Bridge crane
Hoist trolley

The unit that carries the hoisting mechanism and travels along the bridge girder, allowing the load to be positioned across the width of the crane's span.

Related: Bridge crane, Hoist
Hoist

The lifting mechanism that raises and lowers the load, typically consisting of a motor, drum or chain, and hook, and is a critical component for safe crane operation.

Related: Hoist trolley, Load chart
Load chart

A document or plate provided by the crane manufacturer that specifies the maximum safe working load for various configurations, such as boom length, radius, and counterweight, for a particular crane.

Related: Safe working load (SWL), Rated capacity
Safe working load (SWL)

The maximum mass that a crane, sling, or other lifting component is designed to lift safely under specified conditions, as determined by the manufacturer or a competent person.

Related: Load chart, Rated capacity, Working load limit (WLL)
Rated capacity

The maximum load that a crane or lifting accessory is designed to handle, as specified by the manufacturer, often derated for specific configurations or conditions.

Related: Safe working load (SWL), Load chart
Pre-operational check

A systematic inspection of the crane and its components before use, including visual and functional checks of controls, brakes, ropes, hooks, and safety devices, to ensure safe operation.

Related: Inspection, Maintenance, Logbook
Inspection

A formal examination of crane equipment by a competent person at specified intervals to identify defects, wear, or damage that could affect safe operation.

Related: Pre-operational check, Maintenance, Competent person
Maintenance

Planned and corrective activities to keep crane equipment in safe working condition, including lubrication, adjustment, repair, and replacement of worn parts, performed by qualified personnel.

Related: Inspection, Pre-operational check
Competent person

A person who has acquired through training, qualification, or experience the knowledge and skills to carry out a specific task, such as crane inspection or rigging, safely and correctly.

Related: Inspection, Rigger
Load estimation

The process of determining the weight and centre of gravity of a load to be lifted, using markings, documentation, or calculation, to ensure it is within the crane's capacity.

Related: Rigging, Slinging, Centre of gravity
Slinging

The method of attaching and securing a load to a crane hook using slings and other rigging equipment, ensuring the load is balanced and stable during lifting.

Related: Rigging, Rigger, Load estimation
Rigging

The preparation and use of lifting equipment, such as slings, shackles, and spreader beams, to safely connect a load to a crane for lifting and movement.

Related: Slinging, Rigger, Working load limit (WLL)
Rigger

A trained and competent worker who selects, inspects, and attaches lifting gear, and directs the crane operator during lifts to ensure load stability and safety.

Related: Slinging, Rigging, Dogger
Dogger

A worker who directs the crane operator during a lift using communication signals, and may also perform rigging duties; often required to hold a dogging licence.

Related: Rigger, Communication signals
Centre of gravity

The point at which the entire weight of an object is considered to act; for safe lifting, the load must be balanced so that the centre of gravity is directly below the hook.

Related: Load estimation, Slinging
Working load limit (WLL)

The maximum mass that a lifting component, such as a sling or shackle, is designed to support in a particular configuration, as specified by the manufacturer.

Related: Safe working load (SWL), Rigging
Hoisting

The operation of raising or lowering a load using the crane's hoist mechanism, performed with controlled acceleration and deceleration to maintain load stability.

Related: Traversing, Load control
Traversing

The movement of the crane bridge along the runway beams or the trolley along the bridge, used to position the load horizontally without moving the load vertically.

Related: Hoisting, Travel
Travel

The movement of a gantry crane along its rails or tracks, or the movement of a bridge crane along its runway, to reposition the entire crane structure.

Related: Traversing, Gantry crane
Load control

The techniques used to manage a load's movement, including controlling swing, preventing shock loading, and ensuring the load remains within the crane's safe operating parameters.

Related: Hoisting, Swing
Swing

The uncontrolled pendulum-like movement of a suspended load, which can cause loss of control, collision, or injury; minimised by smooth crane movements and tag lines.

Related: Load control, Tag line
Emergency stop

A device or procedure used to immediately halt crane operations in an emergency, such as a person in danger or a load failure, to prevent injury or damage.

Related: Incident response, Shutdown procedure
Incident response

The actions taken after an unplanned event, such as an accident or near miss, including first aid, securing the area, reporting, and preserving evidence for investigation.

Related: Emergency stop, Shutdown procedure
Shutdown procedure

The sequence of steps to safely secure a crane after use or in an emergency, including lowering the load, applying brakes, isolating power, and securing the area.

Related: Post-operational check, Emergency stop
Communication signals

Standardised hand, radio, or other signals used between riggers and crane operators to direct lifting operations safely and unambiguously.

Related: Dogger, Rigger, Exclusion zone
Exclusion zone

A defined area around crane operations where unauthorised personnel are not permitted, to protect them from hazards such as falling loads, swing, or crane movement.

Related: Communication signals, Tag line
Tag line

A rope attached to a load to control its rotation and swing during lifting, used by a person standing outside the exclusion zone to guide the load without touching it.

Related: Swing, Load control, Exclusion zone
Environmental considerations

Site-specific factors such as wind, rain, heat, lighting, ground conditions, and nearby structures that can affect crane stability and load control, requiring assessment before and during operations.

Related: Risk assessment, Wind load
Wind load

The force exerted by wind on the crane and load, which can cause instability, load swing, or structural failure; operations must cease when wind speeds exceed manufacturer's limits.

Related: Environmental considerations, Load chart
Post-operational check

The inspection and securing of the crane after use, including visual checks for damage, lowering the hook, applying parking brakes, and isolating power where required.

Related: Shutdown procedure, Logbook
Logbook

A record book or electronic system used to document crane operations, inspections, maintenance, defects, and handovers, providing an auditable history of equipment condition and use.

Related: Pre-operational check, Handover
Handover

The formal process of transferring responsibility for a crane or work area between operators or shifts, including communication of equipment status, hazards, and ongoing tasks.

Related: Logbook, Post-operational check