Elements and Performance Criteria
- Plan and prepare to repair and rectify concrete.
- Review and clarify task to repair and rectify concrete.
- Review task specifications and check to make sure they are in accordance with legislation, regulations and codes of practice.
- Review work health and safety (WHS) requirements for the task in accordance with safety plans and policies.
- Identify safety signage and barricade requirements.
- Review environmental requirements for the task in accordance with environmental plans and legislative requirements.
- Select plant, tools and equipment, check for serviceability and rectify or report any faults.
- Calculate material quantity requirements.
- Acquire materials for the task and locate them safely ready for use.
- Carry out minor repairs to concrete.
- Erect identified safety signage and barricades, and fit personal protective equipment (PPE).
- Repair colour variations by applying a concrete staining agent.
- Repair effects of dusting by applying suitable surface hardener/dust inhibiting agent or removing the weak top layer.
- Repair damaged or blistered concrete either by grinding or topping.
- Apply repair mortars and self-levelling floor compounds in accordance with manufacturers’ specifications.
- Repair cracks and other major defects.
- Erect identified safety signage and barrier requirements, and fit personal protective equipment (PPE).
- Determine and rectify root cause of defect.
- Prepare concrete and apply flexible epoxy resins in accordance with manufacturers’ specification.
- Apply toppings to concrete using correct materials and techniques.
- Apply acid etching and clean safely according to manufacturers’ requirements.
- Clean up after repairing and rectifying concrete.