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Elements and Performance Criteria

  1. Plan and prepare to conduct underground development shotfiring
  2. Supervise storage and transport of explosives and accessories
  3. Complete postblast activities
  4. Carry out equipment maintenance

Performance Evidence

The candidate must demonstrate the ability to complete the tasks outlined in the elements, performance criteria and foundation skills of this unit, including evidence of the ability to:

conducts underground development shotfiring on at least two occasions, including:

planning and preparing for shotfiring

supervising the storage and transport of explosives and accessories

preparing for charging and charge holes

conducting the blast

completing post-blast activities

carrying out equipment maintenance.

During the above, the candidate must:

locate and apply relevant documentation and procedures and confirm work activity is compliant

work effectively with others to conduct underground development shotfiring operations in a way that meets required outcomes, including:

complying with reporting requirements and procedures

communicating clearly and concisely with others to:

receive and clarify work instructions

resolve coordination requirements.

Knowledge Evidence

The candidate must be able to demonstrate knowledge to complete the tasks outlined in the elements, performance criteria and foundation skills of this unit, including knowledge of:

key legislation required to conduct underground development shotfiring, including:

storage and segregations of explosives

misfires

safety and health requirements

key procedures and documentation required to conduct underground development shotfiring, including:

blasting management and blast plan

site security plan

Australian standards and code of practice relating to shotfiring operations

planning processes

techniques for applying site geological information

site environmental requirements and constraints, including those relating to:

chemicals

airborne contaminants, including dust and fumes

noise, vibration and airblast overpressure

hot, reactive and fibrous ground

types, physical and technical characteristics, uses and limitations of explosives and accessories and protection and management measures associated with their use, including:

initiation systems

disposal methods

types and causes of non-conforming conditions andnonconformities and associated inspection and management techniques, including:

misfires

delayed blasts

blockages

break throughs

deviations

undercuts

ground conditions

ventilation

water/wet holes

principles and techniques for selecting appropriate explosives to meet site conditions

monitoring and review processes and techniques

principles and techniques for identifying and responding to relevant hazards and emergencies

techniques for coordinating job activities with others.