Elements and Performance Criteria
- Plan and prepare.
- Work instructions and operational details are obtained, confirmed and applied from relevant information for planning and preparation.
- Safety (OHS) requirements are followed in accordance with safety plans and policies.
- Signage and barricade requirements are identified and implemented.
- Tools and equipment selected to carry out tasks are consistent with job requirements, checked for serviceability, and any faults are rectified or reported prior to commencement.
- Material quantity requirements are calculated in accordance with plans and specifications.
- Materials appropriate to the work application and quality requirements are identified, obtained, prepared, safely handled and located ready for use.
- Environmental requirements are identified for the project in accordance with environmental plans and statutory and regulatory authority obligations, and are applied.
- Locate excavation site and erect safety equipment.
- Excavation route is located, and line and depth are established from site plans and instructions.
- Site pegs/profiles are used to identify service markers and to set out service points and the excavation limits are marked.
- Safety barricades and signs appropriate to the project are erected in positions as required by site safety plan.
- Temporary drainage system is established to divert surface and sub-surface water from excavation.
- Service markers or taped areas are identified and damage or interference with underground services avoided.
- Dig excavations.
- Excavations are safely dug with hand tools to ensure correct route, line and depth, and that procedures are used to minimise risk to self and others.
- Machine operator is assisted with excavation to ensure correct route, line and depth, and that correct procedures are used to minimise risk to self and others.
- Trench/excavation support is installed where specified by job specifications and regulations.
- Excavation is cleaned free from loose material with hand tools and according to job requirements and instructions.
- Clean up.