Elements and Performance Criteria
- Plan and prepare for assisting with continuous flight auger drilling
- Access, interpret and apply assist continuous flight auger drilling documentation and ensure the work activity is compliant
- Obtain, read, interpret, clarify and confirm work requirements
- Identify and address potential risks, hazards and environmental issues and implement control measures
- Select and wear appropriate personal protective equipment and protective clothing
- Obtain and interpret emergency procedures, and be prepared for fire/accident/emergency
- Communicate and coordinate activities with others throughout the work activity
- Load, unload, move, handle, use and store continuous flight augers and all associated tools, sampling devices and connecting equipment
- Set up and stabilise auger racks
- Assist with augering process
- Fit and remove bits to and from the lead auger
- Lay out auger string in readiness for auger process
- Insert remove augers from the drill string and assist with auger to auger connections
- Regularly maintain cleanliness around the hole collar by removing spoil only when rotation is stopped
- Observe housekeeping and site safety measures while conducting auger assistance and sampling duties
- Obtain samples
- Obtain and/or lay out disturbed samples from flights as required
- Take necessary safety precautions when handling potentially contaminated samples
- Bag, label and store undisturbed samples for transport
- Obtain soil samples from SPT split spoon, undisturbed sample tube, direct push, coring bit or other down hole mechanical device used in sampling
- Package SPT samples and label packages and include the test result
- Clean and service undisturbed tubes, remove loose spoil, fit mechanical or wax seals, package, label and store undisturbed samples for transport
- Remove and package samples obtained from hollow auger sampling devices or direct push applications when required
- Clean equipment
- Clean and reassemble sampling devices and associated equipment
- Use high pressure cleaners and/or steam cleaning equipment to clean augers and equipment
- Avoid or confine the spread of contamination from auger and equipment cleaning processes.
- Follow safe work practices for use of cleaning equipment, chemicals and materials.
- Bag, remove and dispose of or neutralise excess spoil from site operations
- Carry out water sampling
- Bail or pump holes in preparation for collection of water sample
- Prepare, obtain and handle water sample bottles
- Obtain a water sample from a bore hole
- Fill, seal, label, store and transport correct volume water samples relevant for the analytical purpose or tests required using appropriate type containers
- Remove or dispose of or neutralise excess water generated by sampling or cleaning processes that may be contaminated or harmful to the environment, plants, native animals, domestic stock or people
- tools and equipment
- Perform inspection and checks on serviceability of augers including condition of flights, threads, socket connectors, D clips and bits
- Inspect serviceability of pressure cleaning equipment, water sampling pumps, sample tubes, SPT equipment
- Maintain all auger and sampling equipment in serviceable condition
- Conduct housekeeping activities