Elements and Performance Criteria
- Plan and prepare work
- Plans and specifications are interpreted and clarified with the supervisor.
- The quantity and quality of materials are checked to ensure they conform to design drawings and specifications.
- Tools and equipment are selected and checked for serviceability according to enterprise guidelines.
- Occupational Health and Safety (OHS) hazards are identified, risks assessed and controls implemented.
- Environmental implications of erecting stone structures are identified and reported to the supervisor.
- Set out and prepare the site
- Services are determined and located from site plans.
- The position of the structure or feature is marked out according to design drawings and specifications.
- Profiles are established to conform to the tolerances nominated within the design drawings and specifications.
- Subsoil is prepared by removing all debris, vegetable matter and topsoil to provide a solid foundation for construction.
- Drainage systems are installed according to design drawings and specifications.
- Sub-base material is placed and compacted to the required finished levels.
- Construct structure or feature
- Mortar is mixed to determined ratio and appropriate admixes including bonding and colouring agents are added as required, and in accordance with specifications.
- Damp proofing and base course of stone work is laid according to design drawings and specifications.
- Courses of stone work are laid using designated bond/s in a manner that will ensure the viability and stability of the structure, and according to design drawings and specifications.
- Install stone paving
- Set out and prepare area to be paved according to the site plan.
- The area is excavated to shape, depth and dimensions to sub base level according to industry standards.
- The sub base is trimmed to the designated level and falls, and base material is placed and compacted to the required finished level.
- Bedding material is spread over the area and levelled to the designated level and falls.
- Stone is placed and fitted to accurately fill gaps in the pattern within tolerances nominated within the site plan.
- Edge constraints are installed as required by the site plan.
- Check quality of work and clean up site
- Quality of finished works is inspected to ensure the standard of the finished structure or feature is in accordance with design drawings and specifications.
- Stone work surfaces are cleaned down in an environmentally safe and sensitive manner.
- Tools and equipment are cleaned and stored according to enterprise guidelines.