Unit of competency Outline

Date retreived
23/07/2026 12:15 AM AWST

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Conduct a water audit and identify water-saving initiatives

Conduct a water audit and identify water-saving initiatives

Unit of competency
National Code
CPCPPS5024
State Code
OCN25
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
27/11/2020
View on TGA
State Implementation and Classification
Approved Date
01/06/2021
Field of Education
040327 - Plumbing
Original Release Date
01/06/2021
Nominal Hours
30
Description
This unit specifies the skills and knowledge required to conduct water audits in residential buildings with a minimum of 50 units; commercial buildings with a minimum of 20 floors, including a commercial laundry for hospital or nursing home. This unit also specifies the skills and knowledge required to propose types of water-saving devices that are appropriate where water use reductions are possible. The role involves interaction with builders, suppliers, clients and relevant planning authorities and requires a sound understanding of applicable legislation, standards and codes.This unit applies to experienced people such as hydraulic design consultants or persons in a supervisory capacity in relation to plumbing services on a new or existing site.In some jurisdictions, this unit of competency may form part of accreditation, licensing, legislative, regulatory or certification requirements.
Notes
Elements and Performance Criteria
1 Calculate water use.
  • 1.1 Establish scope of work for conducting water audits.
  • 1.2 Identify requirements from relevant Australian Standards, codes, plans, specifications, manufacturer requirements and client brief.
  • 1.3 Apply sustainability principles and concepts throughout water audit process.
  • 1.4 Specify types of flow and pressure-measuring devices including their location and use.
  • 1.5 Conduct flow and pressure tests and measure flows at outlets.
  • 1.6 Compare actual water use to ideal use and calculate the difference.
2 Identify excessive water and energy use.
  • 2.1 Implement leak identification processes considering safety of system users or building occupants.
  • 2.2 Measure and evaluate flows against relevant standards and user requirements.
  • 2.3 Evaluate suitability of existing fixtures and fittings against new technology.
  • 2.4 Identify and compare water use times against optimal timing.
  • 2.5 Identify and analyse existing inefficient system conditions.
  • 2.6 Conduct pressure test and identify and compare consequences of high and low pressures to industry standards.
  • 2.7 Evaluate energy saving associated with reduction in water use.
3 Evaluate methods to conserve water and energy.
  • 3.1 Identify flow restrictors, sensors, pressure-limiting devices and automatic systems for a range of applications.
  • 3.2 Evaluate alternative processes and practices for optimum water and energy savings.
  • 3.3 Evaluate alternative fixtures and fittings for optimum water and energy savings.
  • 3.4 Apply rainwater harvesting techniques and processes.
  • 3.5 Design recycling and re-use processes.
  • 3.6 Design water metering strategies to monitor and problem solve water saving systems.
4 Report findings.
  • 4.1 Conduct a cost-benefit analysis including the investment return period.
  • 4.2 Prepare water and energy audit report.
  • 4.3 Identify and report resulting environmental benefits and water and energy savings.
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Replaces
State Code National Code Title Type
WF939 CPCPPS5024A Conduct a water audit and identify water-saving initiatives Unit of competency