applying appropriate mathematical procedures to estimate loads applying best mobile practice including: boom/jib as low as possible boom/jib in line with crane carrying load near to ground surface gently accelerating and braking (to minimise load swing) facing load uphill minimum boom/jib length minimum speed using handheld taglines applying hazard prevention/control measures including: adequate illumination disconnected power insulated electric lines moving obstructions pedestrian barricades personal protective equipment using safety observer inside exclusion zone safety tags on electrical switches/isolators traffic barricades and control trench covers applying risk assessment and hazard control strategies, including hierarchy of control as applied to positioning and safely operating a crane applying risk assessment and management procedures communicating with other workplace personnel through: appropriate worksite protocols bells buzzers listening making and interpreting hand signals questioning to confirm understanding signage two-way radios verbal and non-verbal language written instructions whistles completing the pre-operational check, positioning, stabilising, set up, operation, post-operational checks of a mobile crane including all functions to their maximum extension in lifting and moving loads to the safe working rated capacity of a slewing mobile crane up to 20 tonne capacity in conjunction with other relevant personnel complying with WHS/OHS licensing legislation loading data into crane computer as required and checking operation to accurately reflect crane configuration operating a slewing mobile crane up to 20 tonne capacity to lift and move loads to the safe working rated capacity while applying relevant crane movements including: boom/jib up and down operation of outriggers/stabilisers raise and lower hoist slew boom/jib telescope in and out travel receiving and interpreting workplace instructions, safety information, emergency procedures recording and maintaining accurate information relating to crane operations shutting down a slewing mobile crane up to 20 tonnes capacity in accordance with manufacturer specifications and workplace procedures including: idling engine to stabilise temperature locking and securing cabin as required positioning/securing boom/jib removing key from ignition as required retracting boom/jib retracting hoist rope and hook block retracting outriggers/stabilisers securing crane for travel turning off engine as required stabilising a slewing mobile crane by: correctly positioning plates or packing deploying outriggers establishing correct size plates or packing test-lifting load just clear of the lifting plane to ensure: adjustments to slinging can be made in a safe manner all crane equipment is functioning properly load measuring equipment can be used to verify calculated weight of load loads of unusual shape or weight distribution are correctly slung near capacity loads do not overload crane using and interpreting crane manufacturer specifications and data, including load charts, to enable crane to be configured for load including: boom/jib counterweights fly-jib using communications signals including: stop – hand stop – whistle hoist up – hand hoist up – whistle hoist down – hand hoist up – whistle luff boom down – hand luff boom up – hand luff boom up – whistle telescope out – hand telescope out – whistle telescope in – hand telescope in – whistle slew left – hand slew left – whistle slew right – hand slew right – whistle travel – hand verifying problems and equipment faults, and applying appropriate response procedures to unplanned and/or unsafe situations including: environmental conditions (e.g. wind, lightning, storms, etc.) failure/loss of control (e.g. brakes and steering) failure of equipment (e.g. hydraulic system) obstacles and obstructions unusual or difficult terrains. |