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 the requirements of the job, checked for serviceability and any faults are rectified or reported prior to commencement.
- Materials quantity requirements are calculated in accordance with plans, specifications and quality requirements.
- Environmental requirements are identified for the project in accordance with environmental plans and regulatory obligations and applied.
- Slump test concrete.
- Standard slumping cone is cleaned in preparation for slump testing.
- Sample of concrete, using the correct sampling procedure, is taken directly from the delivery truck's initial discharge.
- Slumping cone is placed on a steel tray and cone is filled to one third of its capacity.
- Concrete is compacted by rodding 25 times in an even pattern with a steel rod.
- Slumping cone is filled to two thirds its capacity and rodding 25 times is applied to penetrate the previous layer.
- Slumping cone is filled to overflowing and rodding 25 times is applied to penetrate the previous layer.
- Slumping cone is levelled off with the steel rod and surplus concrete is cleared from steel plate and slumping cone.
- Slumping cone is raised without moving the sample.
- Sample is measured against height of the slumping cone for conformity.
- Collapsed or sheared samples are recorded.
- Clean up.
- Work area is cleared and materials disposed of, reused or recycled in accordance with legislation, regulations, codes of practice and job specification.
- Tools and equipment are cleaned, checked, maintained and stored in accordance with manufacturer recommendations and standard work practices.
- Work completion procedures are applied and relevant personnel notified that work is finished.