This unit involves the skills and knowledge required to identify the principles of mechanised track laying operations.It includes identifying components and work stations of mechanised track laying machines, identifying mechanised track laying functions, and identifying hazards and risks associated with mechanised track laying operations.The unit provides an introduction to mechanised track laying machines and is not to be used for their operation, which must be covered by individual certification for the particular machine or individual work stations.Components may include:ballast conveyorcontrol panelscutter bar and chainfront linergantry cranelaying framenew sleeper laying baseold sleeper pick-upploughrail clampsrail feedersrear linersleeper tablesteering.Work stations may include:chain operator stationdeflection operator stationdrive stationgantry crane operator stationjewellery wagonmain operator stationpad layer stationrail feeder station.Operators of mechanised track laying machines must have undertaken training and hold the relevant licence, permit or certificate and be recognised as competent for each type of machinery being used.No licensing, legislative or certification requirements apply to this unit at the time of publication.