Unit of competency Outline

Date retreived
22/07/2026 10:50 AM AWST

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Design gas reticulation systems

Design gas reticulation systems

Unit of competency
National Code
CPCPPS5002
State Code
OCN31
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
160
Description
This unit specifies the skills and knowledge required to design and size gas reticulation systems, including determining material, placement and ventilation requirements. The unit also covers the analysis and interpretation of relevant gas codes and standards, the preparation of documentation for testing and commissioning and creating associated operation and maintenance manuals.The role involves interaction with architects, builders, suppliers, clients and relevant planning authorities and requires a sound understanding of applicable legislation, standards and codes.This units applies to experienced people such as hydraulic design consultants and plumbers or persons in a supervisory capacity who work in plumbing services on new or existing sites.In some jurisdictions, this unit of competency may form part of accreditation, licensing, legislative, regulatory or certification requirements.
Notes
Elements and Performance Criteria
1 Evaluate design parameters.
  • 1.1 Establish scope of work for gas reticulation systems.
  • 1.2 Establish system performance requirements.
  • 1.3 Determine design requirements from plans, specifications and client brief.
  • 1.4 Review and analyse statutory and regulatory requirements and Australian and New Zealand Standards for the design of gas reticulation systems.
  • 1.5 Conduct research, including a desktop study to identify a range of system options.
  • 1.6 Interpret manufacturer requirements and trade and technical manuals for gas reticulation systems.
  • 1.7 Conduct a cost-benefit analysis to compare materials and system designs.
2 Plan and detail system components.
  • 2.1 Plan layout of pipework systems including the type and location of fittings and valves.
  • 2.2 Calculate pipe sizes for a range of applications.
  • 2.3 Specify ventilation and flue requirements of applications.
  • 2.4 Conduct gas metering and measurement of gas consumption.
  • 2.5 Detail distribution pressures and specifications of regulators and appliances for applications.
  • 2.6 Design and detail cylinder and tank systems.
  • 2.7 Specify safety, ignition, thermostat and gas control devices in compliance with relevant standards and codes.
  • 2.8 Plan pipe fixings for applications.
  • 2.9 Specify approved materials, jointing methods and installation requirements for gas reticulation systems.
3 Design and size systems.
  • 3.1 Design and size range of gas reticulation systems.
  • 3.2 Design and size pressure loss through pipework, valves and meters.
  • 3.3 Design and size ventilation systems for gas systems and appliances.
  • 3.4 Design and layout plantroom containing liquefied petroleum gas (LPG) appliances.
4 Prepare documentation.
  • 4.1 Prepare plans for gas reticulation systems.
  • 4.2 Prepare specification for gas reticulation systems.
  • 4.3 Prepare testing and commissioning schedule.
  • 4.4 Produce operation and maintenance manual.
No information
No information
Replaces
State Code National Code Title Type
WF934 CPCPPS5002B Design gas reticulation systems Unit of competency
State Code National Code Title Type
BGB3 CPC50620 Diploma of Hydraulic Services Design Qualification