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 |
Work instructions may come from briefings, handovers, plans and work orders and may be written or verbal, formal or informal and may include: | nature and scope of tasks, specifications quality of finished works achievement targets, operational conditions, obtaining of permits required site layout, out of bounds areas, worksite inspection requirements, lighting conditions, plant or equipment defects, hazards and potential hazards coordination requirements or issues contamination control requirements environmental control requirements barricade and signage requirements |
Hazards may include: | mining equipment roof and rib spalls the presence of gases and water release of gases or water from formation spread of contaminants as a result of drilling or cleaning processes working in proximity to drilling rig use of high air or hydraulic pressure for drilling operations entanglement in rotating pipes string makeup and breakout hazards |
Coordination requirements may include: | drill team other equipment operators maintenance personnel supervisors mine personnel |
Drill plan may include: | rib consolidation hole pattern standpipe location, dip and direction hole sizes hole depths diameter, length and type of standpipe |
Drilling technique may include: | applied feed pressure rotational speed regulation of water pressure and volume |
Conditions my include: | variations in geology, including: consistency of the coal presence of stone (e.g. shale, sandstone) presence of clay water and gas emissions from the drill face variations in environmental conditions (e.g. ventilation) |
Operational problems may include: | loss of air or water volume or pressure equipment failure bogging or parting of rod string reliability of communications |
Grouting completion procedure includes: | stop pumping of grout when grout is visible relieve pressure from the pump and grout lines, and disconnect grout pump from tubing |
Drill bits and reamers may include: | PCD bits Tri-cone rock bits Tungsten bits |
Relevant personnel may include: | drill crew members mine staff and supervisors site safety personnel statutory persons |
Ancillary equipment may include: | pumps water disposal lines and ventilation equipment |
Remedial action may include: | clear or remove obstructions replace damaged hoses top-up lubricants |