The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included. |
Relevant compliance documentation may include: | legislative, organisational and site requirements and proceduresmanufacturer's guidelines and specifications Australian standardscode of practiceEmployment and workplace relations legislationEqual Employment Opportunity and Disability Discrimination legislation |
Drill plan may include: | access to inclines and decline drive planequipment and resource allocations/requirementsfacegeological detailsverbal or written instructionsworksite detailsservicesstopedrilling anglesbreakthrough |
Hazards and potential risks may include: | ground control failurescaling requirementslack of ventilationvertical openingslimited egressloose material on working surfacemisfiresgasesentry by unauthorised personnelunstable ground conditionsairborne dust and fibresunstable footingpoor housekeepingnoiserotating machinery (drill rods)electrical hazardsairborne rock fragments |
Coordination requirements may include: | rig operatorobserverssite communicatorLHD unit operator |
Personal Protective Equipment may include: | eye protectionhearing protectiongloveshelmetboots |
Setting up rig may involve: | locating minor componentspacking components with sandbags to ensure level and stability |
Drill rigs may be: | electrichydraulicpneumaticrotarytrack |
Locating drill rig may involve: | towing or manoeuvring the derrick sled on the padconducting final position adjustmentsaligning sled railsensuring rails and pad are free of contaminants |
Securing drill may include: | collecting equipment for securing the rigdrilling hole through sledcleaning out drill holesinserting resin cartridges to secure boltstightening nuts on rock bolts |
Standing drill rig may include: | cleaning and greasing partschecking turnbucklesconnecting to power suppliesstanding and checking that rig is at appropriate angleinserting back pins |
Connecting components may include: | hanging out cable hangerschecking, cleaning and connecting hydraulicchecking, cleaning and connecting air and water suppliesrunning out air and water lines to derrickinstalling and testing pumpsconnecting power and testing motor rotation |
Testing raise drill may include: | rig rotationrig crosshead movementrig slow and fast up and downpipe loader grip close and openpipe loader swing and tiltemergency stopsindicator lightscomponents move freelycorrect pressures are attainedcomputer readings |
Equipment may include: | collar pipingcovering devices (plugs, cones, hessian bags)drill rig (electric/hydraulic, pneumatic)drilling components (drill rods, bits,)extra lighting (flood lights)flagshosesinclinometerlifting and handling equipmentmeasuring tapeoilspaint (spray cans)platesrecovery equipmentscaling barssignssupport vehiclestamping stick/tapeswitches hatsrecommended/required PPE |
Equipment pre-start checks may include: | air filter restriction indicatorcab (horn, lights, air conditioner)computer systemsdisplay instrumentation and gauges (indicators, gauges, laser levels)fire and suppression systemsfire extinguishersfluid levels (hydraulic oil, coolant, grease, water, engine oil, fuel)visual and audio warning devices and lightsdrilling equipment (hydraulic hoses, bits and couplings)drill rig platform, steps and hand rails |
Inspecting collaring may include: | ensuring that collaring bush wear is in recommended limitsensuring that all components/parts are free from burrs and damageensuring that drill bit is free with no excessive play |
Dust suppression and extraction methods may include: | mobile/fixed spraysscreens (vent doors, vent blinds)use of water trucksventilation bags operationalwatering down siteBlooie housing |
Job-site inspections may include: | ventilationair and water servicesscaling requirementspumpssigns and barricadespost firing rock fallssite housekeeping |
Personnel may include: | blasterscontractorsdrillersdriversholders of appropriate ticketsinspectorslicensed operatorsmaintenance staffpersonnel authorised by mine managementservice personnelsupervisorssurveyorstradespersons |
Ground conditions may include: | broken grounddrynesslocation of water tablenoiseslope of working surfacestability of groundstable ground (compaction) amount of scaleventilation characteristics (fumes, dust)visibility/wetbreakthrough |
Drilling/reaming techniques may include: | adjustment to feedremoving debrisrotationspeed and pull force adjustments |
Equipment indicators may include: | pressure gaugescontrol panel readingsrotationdepth markers |
Equipment cleaned may include: | platformsteps and hand rails (removal of oil, grease, debris)drill rods |
Auxiliary services may include: | compressed airde-watering pumpselectricityventilationwater |
Drilling/reaming problems may be: | environmentalgeological (ground conditions)mechanical (bogged) |