Elements and Performance Criteria
- Select concrete polishing equipment
- Read work documentation and identify polishing requirements and processes
- Select planetary concrete grinding and/or polishing equipment and attachments consistent with the needs of the job
- Check equipment for serviceability and safety, correct any faults, or process for repair in accordance with workplace procedures
- Plan starting point and sequence of work to ensure efficiency and quality of work
- Clean and prepare subfloor
- Identify and follow work health and safety, legislative and organisational requirements
- Remove fittings, fixtures, loose debris, dirt and other items from the subfloor using suitable methods and products
- Inspect subfloor and determine the need for removal of existing adhesive, paint or other contaminants
- Safely measure and mix cleaning chemicals in required ratios in accordance with product recommendations
- Select planetary polishing machine, appropriate machine rotation speed, direction and diamond tools for removal of contaminants
- Follow machine operating procedures to remove contaminants in accordance with client specifications
- Polish the floor
- Follow machine operating procedures using techniques to establish a passing pattern and polish the main area to meet job specifications
- Overlap outer zones and stagger passes to achieve desired finish
- Monitor machine operation constantly to ensure motor/s are running within manufacturer’s safe operational limits and no electrical faults are evident
- Polish perimeter of the designated area using edge and corner polishing equipment and appropriate attachments
- Identify excessive wear of polishing tools and exchanges or take required remedial action during the polishing process
- Buff surface with correct and effective use of buffing pads
- Clean floor area, inspect against quality requirements and rectify deficiencies
- Clean up work area and tools