Application
This unit describes the skills and knowledge required to select, prepare and use floor surfacing machines and their attachments for wet or dry polishing of concrete floors. It applies to concrete cleaning and polishing operations in commercial and residential environments.
This unit applies to flooring technicians working in accordance with pre-determined work orders.
Licensing, legislative or certification requirements may apply to this unit and relevant state/territory and local government agencies should be consulted to determine any necessary certification or licensing for undertaking flooring work. Industry standards and codes of practice within Australia must also be applied. Access to construction sites requires certification of general induction training specified by the National Code of Practice for Induction for Construction Work (ASCC 2007).
Elements and Performance Criteria
Elements | Performance Criteria |
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. |
1. Select concrete polishing equipment | 1.1 Read work documentation and identify polishing requirements and processes 1.2 Select planetary concrete grinding and/or polishing equipment and attachments consistent with the needs of the job 1.3 Check equipment for serviceability and safety, correct any faults, or process for repair in accordance with workplace procedures 1.4 Plan starting point and sequence of work to ensure efficiency and quality of work |
2. Clean and prepare subfloor | 2.1 Identify and follow work health and safety, legislative and organisational requirements 2.2 Remove fittings, fixtures, loose debris, dirt and other items from the subfloor using suitable methods and products 2.3 Inspect subfloor and determine the need for removal of existing adhesive, paint or other contaminants 2.4 Safely measure and mix cleaning chemicals in required ratios in accordance with product recommendations 2.5 Select planetary polishing machine, appropriate machine rotation speed, direction and diamond tools for removal of contaminants 2.6 Follow machine operating procedures to remove contaminants in accordance with client specifications |
3. Polish the floor | 3.1 Follow machine operating procedures using techniques to establish a passing pattern and polish the main area to meet job specifications 3.2 Overlap outer zones and stagger passes to achieve desired finish 3.3 Monitor machine operation constantly to ensure motor/s are running within manufacturer’s safe operational limits and no electrical faults are evident 3.4 Polish perimeter of the designated area using edge and corner polishing equipment and appropriate attachments 3.5 Identify excessive wear of polishing tools and exchanges or take required remedial action during the polishing process 3.6 Buff surface with correct and effective use of buffing pads 3.7 Clean floor area, inspect against quality requirements and rectify deficiencies |
4. Clean up work area and tools | 4.1 Check tools and equipment, and clean and store in accordance with workplace procedures 4.2 Clean work area and dispose of rubbish of safely 4.3 Accurately complete required workplace documentation |
Foundation Skills
Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.
Sectors
Flooring technology