power-operated point actuating device installation/maintenance, safe working practices and relevant standards, codes and regulations, including: rail signalling principles - electrical overview of electrical rail signalling encompassing: types of rail signalling/safe working systems, including centralised traffic control (CTC), automatic, controlled and interlocked signalling advantages of electrical over mechanical signalling advantages of computer-based interlocking (CBI) over electrical signalling systems effects of overhead traction systems on electrical signalling systems (where applicable) purpose of elements of an electrical rail signalling system, including signals and aspect systems, train protection systems, point actuating systems, mechanical locking, relay interlocking, CBI, train detection systems, control input devices, indicators, diagrams and monitors, and safe working systems rail signalling principles - mechanical overview of mechanical rail signalling encompassing: types of mechanical rail signalling systems for different rail traffic, including passenger train, freight train, maintenance vehicles and heritage/tourism train deficiencies of mechanical signalling systems, including automatic, controlled and interlocked signalling effects of overhead traction systems on mechanical signalling systems (where applicable) effects of external factors on the mechanical rail signalling system, including rail overhead, gradients/terrain, environmental and civil configuration purpose of elements of a mechanical rail signalling system, including signals, point actuating systems, locking and train detection systems, control input devices, indicators, diagrams and monitors, mechanical interlocking frames, safe working systems and electro-mechanical interfaces rail signalling - point actuating devices equipment and their components encompassing: point actuating mechanisms, including mechanical, pneumatic, hydraulic and electric powered units blade and operation detection devices on-rail locking devices off-rail locking devices swing nose devices ironwork and fixtures equipment, including point machines, detectors, claw/clamp locks, swing nose mechanisms and in-bearer mechanisms operating principles encompassing: point operation, normal and reverse point locking, normal and reverse point detection, normal and reverse detectors off-rail locking operation on-rail locking operation electric operation of contactors, motor control and detection circuits interpreting circuit diagrams to evaluate correct operation and relationship to other signalling circuits normal mechanical movement failure mode mechanical movement, including wrong side and right-side conditions identifying if movement should be possible correct operation in accordance with control and locking tables servicing procedures encompassing: maintenance documentation coordination/planning sequence operational test procedures scheduled/preventative maintenance unscheduled/corrective maintenance certifying point equipment (commission and decommission) certifying procedures applicable for compliance with rail operator/enterprise standards safe working practices and relevant standards, codes and regulations relevant job safety assessments or risk mitigation processes relevant WHS/OHS legislated requirements relevant workplace policies and procedures, including rail transport operator safety management system. |