Unit of competency Outline

Date retreived
23/07/2026 12:03 AM AWST

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Maintain drainage systems

Maintain drainage systems

Unit of competency
National Code
AHCDRG201A
State Code
D6808
TGA Status
Replaced
DTWD Status
Replaced
Current Release Number
1.00
Current Release Date
10/06/2011
View on TGA
State Implementation and Classification
Approved Date
11/04/2013
Field of Education
030907 - Water And Sanitary Engineering
Original Release Date
11/04/2013
Nominal Hours
24
Description
This unit covers the process of carrying out routine maintenance activities for drainage systems and defines the standard required to: carry out cleaning and maintenance of drainage systems; inspect and maintain simple drainage system components; monitor and control weeds and silt build up; inspect components for wear and record and report damage, blockages and leakages.
Notes
Elements and Performance Criteria
1. Inspect drainage systems
  • 1.1. Occupational Health and Safety (OHS) hazards are identified and safety concerns reported to the supervisor.
  • 1.2. Personal Protective Equipment (PPE) is used and maintained according to procedures.
  • 1.3. Drainage system is visually inspected for blockages, leaks and operating faults.
2. Maintain system components
  • 2.1. Components are inspected for wear or blockage.
  • 2.2. Mechanical equipment is serviced as directed.
  • 2.3. Simple components are replaced as directed.
3. Remove silt and weed growth
  • 3.1. Silt is cleaned from channels, drains, sumps and crossings.
  • 3.2. Weed growth is removed as directed.
  • 3.3. Drainage system is flushed.
  • 3.4. Unobstructed water flow is observed through channels and from outlets.
4. Record and report maintenance activities
  • 4.1. Blockage or leakage is recorded by type and location of the section of the system affected.
  • 4.2. Damaged or faulty equipment is recorded and reported.
  • 4.3. All routine maintenance activities are recorded and reported.
  • 4.4. Drainage system is checked regularly according to directions.
RANGE STATEMENT
The range statement relates to the unit of competency as a whole.
Drainage systems may include:
drainage pipes and channels
surface drains, culverts, mole drains, sand slit, sub surface traps, reed beds
pumps for recycling
baffles.
Operation systems may include:
manual operation with monitoring
fully automated with computer control and monitoring.
EVIDENCE GUIDE
The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.
Overview of assessment

Critical aspects for assessment and evidence required to demonstrate competency in this unit
The evidence required to demonstrate competency in this unit must be relevant to workplace operations and satisfy holistically all of the requirements of the performance criteria and required skills and knowledge and include achievement of the following:
carry out cleaning and maintenance of drainage systems
inspect and maintain simple drainage system components
monitor and control weeds and silt build up
inspect components for wear
record and report damage, blockages and leakages.
Context of and specific resources for assessment
Competency requires the application of work practices under work conditions. Selection and use of resources for some worksites may differ due to the regional or enterprise circumstances.
Replaces
State Code National Code Title Type
S3538 RTE2604A Maintain drainage systems Unit of competency
Replaced By
State Code National Code Title Type
BAN57 AHCDRG201 Maintain drainage systems Unit of competency