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 procedures manufacturer's guidelines and specifications Australian standards code of practice Employment and workplace relations legislation Equal Employment Opportunity and Disability Discrimination legislation |
Drill plan may include: | access to inclines and decline drive plan equipment and resource allocations/requirements face geological details verbal or written instructions worksite details services stope drilling angles breakthrough |
Hazards and potential risks may include: | ground control failure scaling requirements lack of ventilation vertical openings limited egress loose material on working surface misfires gases entry by unauthorised personnel unstable ground conditions airborne dust and fibres unstable footing poor housekeeping noise rotating machinery (drill rods) electrical hazards airborne rock fragments |
Coordination requirements may include: | rig operator observers site communicator LHD unit operator |
Personal Protective Equipment may include: | eye protection hearing protection gloves helmet boots |
Setting up rig may involve: | locating minor components packing components with sandbags to ensure level and stability |
Drill rigs may be: | electric hydraulic pneumatic rotary track |
Locating drill rig may involve: | towing or manoeuvring the derrick sled on the pad conducting final position adjustments aligning sled rails ensuring rails and pad are free of contaminants |
Securing drill may include: | collecting equipment for securing the rig drilling hole through sled cleaning out drill holes inserting resin cartridges to secure bolts tightening nuts on rock bolts |
Standing drill rig may include: | cleaning and greasing parts checking turnbuckles connecting to power supplies standing and checking that rig is at appropriate angle inserting back pins |
Connecting components may include: | hanging out cable hangers checking, cleaning and connecting hydraulic checking, cleaning and connecting air and water supplies running out air and water lines to derrick installing and testing pumps connecting power and testing motor rotation |
Testing raise drill may include: | rig rotation rig crosshead movement rig slow and fast up and down pipe loader grip close and open pipe loader swing and tilt emergency stops indicator lights components move freely correct pressures are attained computer readings |
Equipment may include: | collar piping covering devices (plugs, cones, hessian bags) drill rig (electric/hydraulic, pneumatic) drilling components (drill rods, bits,) extra lighting (flood lights) flags hoses inclinometer lifting and handling equipment measuring tape oils paint (spray cans) plates recovery equipment scaling bars signs support vehicles tamping stick/tapes witches hats recommended/required PPE |
Equipment pre-start checks may include: | air filter restriction indicator cab (horn, lights, air conditioner) computer systems display instrumentation and gauges (indicators, gauges, laser levels) fire and suppression systems fire extinguishers fluid levels (hydraulic oil, coolant, grease, water, engine oil, fuel) visual and audio warning devices and lights drilling 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 limits ensuring that all components/parts are free from burrs and damage ensuring that drill bit is free with no excessive play |
Dust suppression and extraction methods may include: | mobile/fixed sprays screens (vent doors, vent blinds) use of water trucks ventilation bags operational watering down site Blooie housing |
Job-site inspections may include: | ventilation air and water services scaling requirements pumps signs and barricades post firing rock falls site housekeeping |
Personnel may include: | blasters contractors drillers drivers holders of appropriate tickets inspectors licensed operators maintenance staff personnel authorised by mine management service personnel supervisors surveyors tradespersons |
Ground conditions may include: | broken ground dryness location of water table noise slope of working surface stability of ground stable ground (compaction) amount of scale ventilation characteristics (fumes, dust) visibility/wet breakthrough |
Drilling/reaming techniques may include: | adjustment to feed removing debris rotation speed and pull force adjustments |
Equipment indicators may include: | pressure gauges control panel readings rotation depth markers |
Equipment cleaned may include: | platform steps and hand rails (removal of oil, grease, debris) drill rods |
Auxiliary services may include: | compressed air de-watering pumps electricity ventilation water |
Drilling/reaming problems may be: | environmental geological (ground conditions) mechanical (bogged) |