Application
This unit of competency describes the skills and knowledge required to maintain and repair irrigation 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 to carry out irrigation drainage system maintenance | 1.1 Inspect site and assess drainage 1.2 Confirm the necessity for repair and notify appropriate people of the intention to commence work 1.3 Determine work requirements from plans, drawings, specifications or instructions and identify hazards, assess risks and implement control measures 1.4 Select required tools and equipment and check for safe operation 1.5 Select and use suitable personal protective equipment 1.6 Confirm that excavation methods meet the safety requirements of the task and site 1.7 Make appropriate drainage and inflow diversion arrangements without damage to environment |
2. Access to drainage lines | 2.1 Access plan of irrigation system and locate access points 2.2 Gain access to drainage lines to allow blockage to be cleared 2.3 Carry out digging without unnecessary damage to buildings, site, environment or existing fixtures and fittings |
3. Carry out repairs on an irrigation drainage system | 3.1 Conduct routine inspections of designated work areas 3.2 Identify system faults and take corrective actions with consideration of structure type, location and specifications 3.3 Use mechanical equipment to open and close drains 3.4 Repair or replace components and associated fittings as required 3.5 Construct cast in situ components |
4. Clear blockages in an irrigation drainage system | 4.1 Clear blockages 4.2 Test drainage lines to confirm blockages have been cleared from pipe system 4.3 Repair and reseal drainage lines to permit normal use 4.4 Clean and align work area and dispose of debris and waste |
5. Maintain drainage earthworks and equipment | 5.1 Confirm that earthworks and embankments meet system requirements 5.2 Manage and maintain drainage area vegetation 5.3 Control weeds are controlled 5.4 Implement and record a maintenance program for drainage equipment |
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:
isolate appliances, fixtures, fittings and related assemblies
gain access and carry out repairs
level and align the site
repair or remove blockages
use manual and mechanical drain clearing equipment
Evidence of Knowledge
The candidate must demonstrate knowledge of:
principles and practices for maintaining drainage systems
components used in irrigation drainage systems
environmental impacts of drainage systems
isolation processes and procedures
levelling and alignment processes
types and operational parameters of irrigation drains
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)