CPCCCO3055
Install topping slabs


Application

This unit of competency specifies the skills and knowledge required to install bonded and unbonded topping slabs to existing concrete on residential, commercial or civil construction sites.

It includes grinding and scabbling preparation techniques.

It applies to concreters working as members of a team with at least a moderate degree of autonomy. They would be expected to complete routine activities without close supervision.

Licensing, legislative, regulatory or certification requirements apply to this unit of competency in all states and territories except Tasmania. Relevant state and territory regulatory authorities should be consulted to confirm these requirements.


Elements and Performance Criteria

Elements describe the essential outcomes.

Performance criteria describe what needs to be done to demonstrate achievement of the element.

1. Plan and prepare to install topping slab.

1.1 Review and clarify task to install topping slab.

1.2 Review task specifications and check to make sure they are in accordance with legislation, regulations and codes of practice.

1.3 Review work health and safety (WHS) requirements for the task in accordance with safety plans and policies.

1.4 Identify safety signage and barricade requirements.

1.5 Review environmental requirements for the task in accordance with environmental plans and legislative requirements.

1.6 Select plant, tools and equipment, check for serviceability and rectify or report any faults.

1.7 Calculate material quantity requirements.

1.8 Acquire materials for the task and locate them safely ready for use.

2. Prepare concrete for topping slab.

2.1 Erect identified safety signage and barricades, and fit personal protective equipment (PPE).

2.2 Determine need for concrete reinforcement through consultation with relevant personnel and install reinforcement in accordance with specifications.

2.3 Select and check preparation equipment for this process.

2.4 Scarify existing concrete using appropriate preparation techniques in accordance with specifications.

2.5 Clear surface loose particles and debris from surface to be topped.

2.6 Check existing control joints in substrate to ensure they are carried through and reflected in proposed topping.

3. Pour topping slab.

3.1 Prepare existing concrete surface for topping slab with bonded topping or separation material in accordance with specifications.

3.2 Pour topping slab onto existing concrete surface and screed to specifications.

4. Cure and seal topping slab.

4.1 Use setting, and apply curing agents and curing techniques to topping slab in accordance with specifications.

4.2 Maintain curing and sealing for period stated in specifications

5. Clean up after installing topping slab.

5.1 Clear work area and dispose of, reuse or recycle materials in accordance with legislation, regulations, codes of practice and task requirements.

5.2 Clean, check, maintain and store tools and equipment in accordance with manufacturers’ specifications and workplace requirements.

Foundation Skills

This section describes the language, literacy, numeracy and employment skills essential to performance in this unit but not explicit in the performance criteria.

oral communication skills to:

use questioning to identify and confirm requirements

discuss cause of problems

report work site hazards, including faults in tools, equipment and materials

provide feedback.


Sectors

Construction