Elements and Performance Criteria
- Plan and prepare.
- Work instructions and operational details are obtained using relevant information, confirmed and applied for planning and preparation purposes.
- 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, specifications and quality requirements.
- Materials appropriate to the work application are identified, obtained, prepared, safely handled and located ready for use.
- Stone hardness is identified using Moh's scale.
- Environmental requirements are identified for the project in accordance with environmental plans and statutory and regulatory authority requirements, and are applied.
- Use abrasives.
- Coolant is used as required by selected abrasives, stones and job requirements.
- Range of grades of abrasives is used in accordance with job requirements and specifications.
- Polishing compounds are used in accordance with job requirements and specifications.
- Various polishing heads are used in correct sequence to provide finish to specification.
- Use stone cutting equipment.
- Stone is set into place on cutting table to obtain maximum efficiency in cutting.
- Stone is wedged or fixed into place by nailed timber strips to ensure stability and is aligned correctly to cutting blade.
- Adjustments are made to machinery as required by maximum depth of cut and size of stone.
- Primary cutting machines are used appropriate to their cutting capacity.
- Secondary cutting machines are used appropriate to their cutting capacity.
- Stone is marked out and cut according to job drawings, specifications and schedules.
- Polish stone and form edges.
- Adhesives are applied as fillers to stone as required by job.
- Grinding and polishing heads are set up and operated as required by job.
- Adjustments are made to machinery in accordance with job requirements.
- Polishing machinery is used in a manner appropriate to its capacity.
- Various hand-operated polishing machines are used as required by job to achieve specified finish.
- Use adhesives and fillers.
- Various filling compounds are selected and used according to job requirements.
- Various types of adhesives are selected and used according to job requirements.
- Tinting procedures for fillers and adhesives are selected and used, where required.
- Various reinforcing materials and techniques are selected and used, where required.
- Clean up.
- Surfaces are cleaned as required by job in preparation for transport or installation.
- Surface finishes, such as wax, are applied as required by job.
- Work area is cleaned up and waste materials disposed of in an appropriate manner and in accordance with Environment Protection Authority (EPA) requirements.