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Elements and Performance Criteria

  1. Plan and prepare for horizontal directional drilling
  2. Bore pilot hole
  3. Complete equipment maintenance and housekeeping
  4. Respond to problems
  5. Plan and prepare for horizontal directional drilling
  6. Bore pilot hole
  7. Complete equipment maintenance and housekeeping
  8. Respond to problems

Performance Evidence

Evidence is required to be collected that demonstrates a candidate’s competency in this unit. Evidence must be relevant to the roles within this sector’s work operations and satisfy all of the requirements of the performance criteria of this unit and include evidence that the candidate:

locates and applies relevant documentation, policies and procedures

implements the requirements, procedures and techniques for the safe, effective and efficient completion of conducting horizontal directional drilling including:

applying rig operating techniques

operating ancillary equipment

maintaining down hole equipment

works effectively with others to undertake and complete the horizontal directional drilling that meets all of the required outcomes including:

complying with written and verbal reporting requirements and procedures

communicating clearly and concisely with others to receive and clarify work instructions

communicating clearly and concisely with others to resolve coordination requirements prior to commencing and during work activities

demonstrates completion of conducting horizontal directional drilling that safely, effectively and efficiently meets all of the required outcomes on more than one (1) occasion including:

selecting appropriate cutting tool and drilling rig/components

aligning drilling head with survey tool and survey control system

monitoring drill path ensuring pilot hole meets conformance envelope and dogleg severity is within limits

steering drill head to achieve required pitch and direction

monitoring and interpreting all gauge/dial readings

monitoring and interpreting drill head position and pitch


Knowledge Evidence

The candidate must demonstrate knowledge in conducting horizontal directional drilling through:

accessing, interpreting and applying the organization and site requirements and procedures for;

work, health and safety

environmental issues

operating drill rig

housekeeping

understanding the basic rock/geology types and their impact on HDD operations

appropriate drill heads for different geology types

appropriate back reamers for different geology types

minimum radius of curvature for drill stem and for different products

methods of steering or tracking the drill head

principles of horizontal directional drilling

types of drill fluid, their uses and make up/adjustment procedures

being prepared for fire/accident/emergency