Elements and Performance Criteria
- Plan and prepare for conducting of underground in-seam directional drilling
- Access, interpret and apply compliance documentation relevant to the work activity
- Obtain, confirm and apply work instructions for the allocated task
- Identify, manage and report all potential hazards
- Resolve coordination requirements with others at the site prior to commencing and during work activities
- Calibrate and operate survey tool
- Calibrate survey tool in accordance with instructions
- Set up the orientation of the survey tool and the down-hole motor in accordance with instructions
- Take the first survey reading in accordance with manufacturer's instructions and with regard to the standpipe length and composition and use the result to adjust the orientation of the down-hole motor
- Conduct on-going surveys at intervals in accordance with the drill plan and use the result to adjust the orientation of the down-hole motor
- Monitor and maintain the survey tool power supply and basic consumable items as per instructions
- Drill hole
- Prepare for drilling in accordance with the drill plan
- Choose drill bits appropriate to the geology
- Issue clear and timely instructions to drill team members and others involved, for the safe, effective and efficient conduct of the task, to meet the requirements of drill plan
- Carry out the drilling in accordance with the drill plan
- Monitor and adjust drilling technique according to conditions
- Identify and remedy operational problems
- Reorientate the down-hole motor when branching is required to achieved required deviation of the hole
- Maintain communication with all relevant personnel
- Complete documents and report
- Complete equipment maintenance and housekeeping
- Ensure that the drill rods are inspected for wear and damage and that threads are dressed and greased in accordance with standard procedures or that rods are replace as required
- Monitor all drill equipment and hoses and ancillary equipment and carryout remedial action
- Monitor wear on drill bit and reamers and take appropriate action
- Apply health, safety and environmental controls
- Maintain safe and tidy site for the duration and at the conclusion of the job
- Ensure all drilling equipment is cleaned and maintained
- Ensure that drill fluids are appropriately contained and disposed of appropriately