Design complex (non-solar) heated water systems

Unit of competency Outline

Date retreived
24/07/2026 5:58 AM AWST

Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.

Unit of competency

National Code
CPCPCM5003B

State Code
D7421

TGA Status
Replaced

DTWD Status
Replaced

Current Release Number
1.00

Current Release Date
19/05/2011

View on TGA

State Implementation and Classification

Approved Date

27/09/2011

Field of Education

040327 - Plumbing

Original Release Date

27/09/2011

Nominal Hours

Description

This unit of competency specifies the outcomes required for the design and specification of complex (non-solar) heated water supply and distribution systems for residential, commercial and industrial applications. The unit includes circulating systems, fuel and energy loads and system selection.

Notes

Elements and Performance Criteria

1. Evaluate design parameters.

1.1. Scope of work is established for heated water supply and distribution systems for wide span and high-rise building projects.
1.2. Design requirements are determined from plans, specifications and client briefs.
1.3. Cost-benefit analysis is conducted comparing a range of pipe materials and system designs.
1.4. Statutory and regulatory requirements for the design of complex (non-solar) heated water supply and distribution systems are analysed and applied.
1.5. Manufacturer requirements and trade and technical manuals are interpreted.
1.6. Additional research, including a desktop study is conducted.
1.7. Performance requirements are established.

2. Plan and detail system components.

2.1. Layout of pipework systems and type and location of fittings and valves are planned.
2.2. Thermostatic mixing valves, tempering valves and valve trains are detailed for a range of applications and appropriate symbols are used.
2.3. Circulating heated water supply systems are designed and detailed.
2.4. Heat trace systems are designed and detailed.
2.5. Warm water systems are designed and detailed, and disinfection and bio-control measures are specified.
2.6. Calculations for sizing water heaters are conducted and methods for the control of expansion are detailed.
2.7. Pipe sizes are calculated and pipe fixings designed for a range of applications.
2.8. Manifolding heated water units are detailed for a range of water heaters and safe trays and overflows are specified.
2.9. Approved materials and jointing methods, insulation materials and installation requirements for a range of water heaters and heated water systems are specified.

3. Design and size systems.

3.1. Complex (non-solar) heated water supply and distribution systems are designed for a range of wide span and high-rise building applications.
3.2. Circulating systems are designed and detailed.
3.3. Complex (non-solar) heated water supply and distribution systems are designed and sized using computer software packages.

4. Prepare documentation.

4.1. Plans are prepared for a range of complex (non-solar) heated water supply and distribution systems.
4.2. Specification for a heated water supply and distribution system is prepared.
4.3. Testing and commissioning schedule is prepared.
4.4. Operation and maintenance manual is produced.

No information

Replaces

State Code	National Code	Title	Type
W9651	CPCPCM5003A	Design complex (non-solar) hot water systems	Unit of competency

Replaced By

State Code	National Code	Title	Type
WF854	CPCPCM5013A	Design complex (non-solar) heated water systems	Unit of competency