Application
This unit of competency describes the skills and knowledge required to install surface and subsurface drainage systems.
It applies to individuals who take responsibility for own work and for the quality of the work of others. They use discretion and judgement in the selection, allocation and use of available resources. All work is carried out to comply with workplace procedures.
No occupational licensing, legislative or certification requirements are known to apply to this unit at the time of publication.
Elements and Performance Criteria
Element | Performance criteria |
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. |
1. Prepare for drainage system installation activities | 1.1 Identify the construction site for the drainage system 1.2 Select materials, tools, equipment and machinery and carry out pre-operational and safety checks 1.3 Identify work health and safety hazards, assess risks and implement controls 1.4 Select, use and maintain suitable personal protective equipment |
2. Co-ordinate installation work | 2.1 Coordinate work tasks in a sequential, timely and effective manner 2.2 Install the drainage system with due consideration of the environmental implications 2.3 Maintain a clean and safe work area throughout work |
3. Prepare the site for installation of drainage system | 3.1 Interpret symbols and terminology to ensure the concept of the drainage system plan is clearly understood 3.2 Identify layout of services, check depths and report discrepancies 3.3 Complete survey, measurement and marking out of site and confirm soil characteristics relevant to the system |
4. Undertake installation of drainage system | 4.1 Complete excavations without damage to services, facilities, features and established plants 4.2 Install the drainage system 4.3 Test the drainage system for configuration, flow rates and capacity 4.4 Confirm remedial action to be taken when the drainage system operation does not meet the plan specifications |
5. Complete installation of drainage system | 5.1 Finish earthworks 5.2 Restore the site and remove and dispose of waste material 5.3 Clean, maintain and store tools, equipment and machinery 5.4 Record work outcomes and report the works as per the executed drawings, including adjustments |
Evidence of Performance
The candidate must be assessed on their ability to integrate and apply the performance requirements of this unit in a workplace setting. Performance must be demonstrated consistently over time and in a suitable range of contexts.
The candidate must provide evidence that they can:
install drainage system works
interpret drainage system plans and drawings
interpret site specifications, soil types and drainage system plans
level and align earthworks
measure materials required to install drainage systems
prepare for installation activities
set out drainage system works
set out, survey, test and excavate the installation site
test the drainage system
use equipment, tools and machinery appropriate to the scope of works
Evidence of Knowledge
The candidate must demonstrate knowledge of:
principles and practices of drainage installation
drain types, components and installation techniques
soil characteristics and their impact on drainage systems
purposes of drainage systems and the application of drainage system plans to the physical situation
work health and safety
Assessment Conditions
Assessors must satisfy current standards for RTOs.
Foundation Skills
Foundation Skills essential to performance are explicit in the performance criteria of this unit of competency.
Range Statement
Sectors
Drainage (DRG)