Qualification Outline

Date retreived
22/07/2026 5:38 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.

Certificate III in Plumbing

Certificate III in Plumbing

Qualification
National Code:
CPC32420
State Code:
BGC2
TGA Status:
Current
DTWD Status:
Approved
National Endorsed, State Implementation and Classification
Field of Education
0403 - Building
Original TGA Release Date
27/11/2020
Approved Date
21/04/2022
Stream of Study
Initial Vocational (3100 - 3600)
VET Act Classifier
A
Nominal Hours
1182
Duration
4 Semesters
Current Release Number
7.00
Current Release Date
24/12/2024
VET Act Conditions
Releases
Release Version Release Date TGA Status DTWD Status
7.00 24/12/2024 Current Approved
6.00 18/03/2022 Replaced Approved
5.00 09/12/2021 Replaced Approved
4.00 22/06/2021 Replaced Approved
3.00 09/03/2021 Replaced Approved
2.00 23/12/2020 Replaced Pending
1.00 27/11/2020 Replaced Approved
Description

This is a trade qualification for plumbers in residential, industrial and commercial workplaces who are responsible for assembling, installing and maintaining water services, sanitary plumbing and sanitary drainage, gas, roofing and mechanical services in both existing and new constructions.
Occupational titles could include:
Plumber
Plumber and drainer
Plumber and gasfitter
Gasfitter
Roof plumber
Mechanical services plumber.
The plumbing industry strongly affirms that training and assessment leading to recognition of skills must be undertaken in a real or closely simulated workplace environment and this qualification requires all units of competency to be delivered and assessed in this context.
Completion of the general construction induction training program specified by the model Code of Practice for Construction Work is required before entering a construction work site. Achievement of CPCWHS1001 Prepare to work safely in the construction industry meets this requirement.
This is a licenced occupation. State and territory jurisdictions may have different licensing, legislative, regulatory or certification requirements. Relevant state and territory regulatory authorities should be consulted to confirm those requirements.
This qualification is suitable for an Australian Apprenticeship pathway.

Schedule
Packaging Rules
To be awarded this qualification, competency in one of the four occupational options must be achieved.

OPTION 1: General Plumbing
For the award of the CPC32420 Certificate III in Plumbing (General Plumber) a minimum of fifty eight (58) units are to be completed as follows:
- Forty three (43) core units
- Fifteen (15) elective units

Electives are to be selected as followed:
- Eight (8) units from Group A and
- Four (4) units from Group B and
- Three (3) units from Group C

Up to four (4) elective units may be replaced by units from any other group or from any relevant nationally endorsed Training Package or accredited course. The units must contribute to the vocational outcomes of the qualification.

OPTION 2: General Plumbing - Roofing
For the award of the CPC32420 Certificate III in Plumbing (General Plumber and Roofing) a minimum of sixty two (62) units are to be completed as follows:
- Forty three (43) core units
- Nineteen (19) elective units.

Electives are to be selected as followed:
- Eight (8) units from Group A and
- Four (4) units from Group B and
- Three (3) units from Group C and
- Four (4) units from Group D

Up to four (4) elective units may be replaced by units from any other group or from any relevant nationally endorsed Training Package or accredited course. The units must contribute to the vocational outcomes of the qualification.

OPTION 3: General Plumbing - Mechanical
For the award of the CPC32420 Certificate III in Plumbing (General Plumbing and Mechanical) a minimum of seventy three (73) units are to be completed as follows:
- Forty three (43) core units
- Thirty (30) electives

Electives are to be selected as followed:
- Eight (8) units from Group A and
- Four (4) units from Group B and
- Three (3) units from Group C and
- Seven (7) units from Group E and
- Eight (8) units from Group F

Up to four (4) elective units may be replaced by units from any other group or from any relevant nationally endorsed Training Package or accredited course. The units must contribute to the vocational outcomes of the qualification.

OPTION 4: General Plumbing - Roofing and Mechanical
For the award of the CPC32420 Certificate III in Plumbing (General Plumber Roofing and Mechanical) a minimum of seventy seven (77) units are to be completed as follows:
- Forty three (43) core units
- Thirty four (34) electives

Electives are to be selected as followed:
- Eight (8) units from Group A and
- Four (4) units from Group B and
- Three (3) units from Group C and
- Four (4) units from Group D and
- Seven (7) units from Group E and
- Eight (8) units from Group F

Up to four (4) elective units may be replaced by units from any other group or from any relevant nationally endorsed Training Package or accredited course. The units must contribute to the vocational outcomes of the qualification.

An asterisk (*) against a unit code on TGA indicates that the unit has a prerequisite. Please check the unit for information on this. All prerequisites are packaged in the qualification.
1. Core Units

All forty three (43) units must be completed.

State Code National Code Title Hours Type
OCN91 CPCPGS3054 Calculate and install natural ventilation for Type A gas appliances 12 Unit of competency
OCO96 CPCPCM2039 Carry out interactive workplace communication 12 Unit of competency
OCO85 CPCPCM2047 Carry out levelling 12 Unit of competency
OCM42 CPCPCM2054 Carry out simple concreting and rendering 24 Unit of competency
OCO91 CPCPCM2043 Carry out WHS requirements 34 Unit of competency
OCN06 CPCPRF2023 Collect and store roof water 24 Unit of competency
OCM77 CPCPWT3020 Connect and install storage tanks to a domestic water supply 20 Unit of competency
OCO40 CPCPCM2048 Cut and join sheet metal 16 Unit of competency
OCN93 CPCPGS3053 Disconnect and reconnect Type A gas appliances 16 Unit of competency
OCM96 CPCPRF3023 Fabricate and install external flashings 36 Unit of competency
OCO33 CPCPFS3031 Fabricate and install fire hydrant and hose reel systems 28 Unit of competency
OCO72 CPCPCM3023 Fabricate and install non-ferrous pressure piping 16 Unit of competency
OCM99 CPCPRF3022 Fabricate and install roof drainage systems 40 Unit of competency
OCO77 CPCPCM3021 Flash penetrations through roofs and walls 30 Unit of competency
OCO90 CPCPCM2045 Handle and store plumbing materials 12 Unit of competency
OCN81 CPCPGS3061 Install and commission Type A gas appliances 24 Unit of competency
OCM73 CPCPWT3022 Install and commission water heating systems and adjust controls and devices 40 Unit of competency
OCM63 CPCPWT3026 Install and fit off sanitary fixtures, water services and adjust water service controls 40 Unit of competency
OCM61 CPCPWT3027 Install backflow prevention devices 8 Unit of competency
OCM83 CPCPSN3022 Install discharge pipes 32 Unit of competency
OCN96 CPCPGS3049 Install gas appliance flues 12 Unit of competency
OCN97 CPCPGS3048 Install gas pressure control equipment 12 Unit of competency
OCN84 CPCPGS3059 Install LPG storage of aggregate storage capacity up to 500 litres 12 Unit of competency
OCO47 CPCPDR3023 Install on-site domestic wastewater treatment plants and disposal systems 25 Unit of competency
OCO49 CPCPDR2026 Install prefabricated inspection openings and inspection chambers 20 Unit of competency
OCM94 CPCPRF3024 Install roof components 40 Unit of competency
OCO50 CPCPDR2025 Install stormwater and sub-soil drainage systems and drain work site 20 Unit of competency
OCO70 CPCPCM3025 Install trench support 16 Unit of competency
OCM65 CPCPWT3025 Install water pumpsets 8 Unit of competency
OCO53 CPCPDR2021 Locate and clear blockages 10 Unit of competency
OCO48 CPCPDR3021 Plan layout and install below ground sanitary drainage systems 35 Unit of competency
OCM86 CPCPSN3011 Plan the layout of a residential sanitary plumbing system and fabricate and install sanitary stacks 40 Unit of competency
OCO71 CPCPCM3024 Prepare simple drawings 20 Unit of competency
OCD30 HLTAID011 Provide First Aid 18 Unit of competency
OCN95 CPCPGS3051 Purge consumer piping 20 Unit of competency
OCO94 CPCPCM2040 Read plans, calculate quantities and mark out materials 25 Unit of competency
OCM75 CPCPWT3021 Set out and install water services 24 Unit of competency
OCN88 CPCPGS3056 Size and install consumer gas piping systems 30 Unit of competency
OCO89 CPCPCM2046 Use plumbing hand and power tools 35 Unit of competency
OCO75 CPCPCM3022 Weld polymer pipes using fusion method 8 Unit of competency
OCO93 CPCPCM2041 Work effectively in the plumbing services sector 16 Unit of competency
OCQ90 CPCCCM2012 Work safely at heights 16 Unit of competency
OCO78 CPCPCM2055 Work safely on roofs 15 Unit of competency
2. Group A

Please refer to the packaging rules for the full details of available options

State Code National Code Title Hours Type
OCO81 CPCPCM2049 Cut using oxy-acetylene equipment 8 Unit of competency
OCN22 CPCPIG2021 Design domestic urban irrigation systems 4 Unit of competency
OCD19 RIIWHS202E Enter and work in confined spaces 24 Unit of competency
OAP32 CPCCCM2008 Erect and dismantle restricted height scaffolding 16 Unit of competency
OCN71 CPCPIG3022 Install and commission domestic irrigation pumps 12 Unit of competency
OCM67 CPCPWT3024 Install and maintain domestic water treatment equipment 8 Unit of competency
OCM57 CPCPWT3030 Install home fire sprinkler systems 10 Unit of competency
OCM59 CPCPWT3028 Install property service 8 Unit of competency
OCN86 CPCPFS3037 Install residential life safety sprinkler systems 54 Unit of competency
OCM58 CPCPWT3029 Install water pipe systems 72 Unit of competency
BBA88 CPCCCM3001 Operate elevated work platforms up to 11 metres 16 Unit of competency
OAV04 MEM16006 Organise and communicate information 18 Unit of competency
OAW71 MEM05050 Perform routine gas metal arc welding 18 Unit of competency
OAW72 MEM05049 Perform routine gas tungsten arc welding 18 Unit of competency
OCN73 CPCPIG3021 Set out, install and commission irrigation systems 8 Unit of competency
OCM41 CPCPFS3038 Test and maintain fire hydrant and hose reel installations 36 Unit of competency
OAV60 MEM11011 Undertake manual handling 18 Unit of competency
OCO83 CPCPCM2052 Weld mild steel using oxy-acetylene equipment 8 Unit of competency
OAV23 MEM13015 Work safely and effectively in manufacturing and engineering 32 Unit of competency
3. Group B

Please refer to the packaging rules for the full details of available options

State Code National Code Title Hours Type
OCM92 CPCPGS3055 Install gas sub-meters 6 Unit of competency
OCN18 CPCPGS3060 Install LPG storage of aggregate storage capacity exceeding 500 litres and less than 8 kl 8 Unit of competency
OCN99 CPCPGS3046 Install LPG systems in caravans, mobile homes and mobile workplaces 20 Unit of competency
OCN44 CPCPGS3047 Install LPG systems in marine craft 20 Unit of competency
OCN94 CPCPGS3052 Maintain Type A gas appliances 8 Unit of competency
OCN54 CPCPCM2053 Weld using metal arc welding equipment 8 Unit of competency
4. Group C

Please refer to the packaging rules for the full details of available options

State Code National Code Title Hours Type
OCD19 RIIWHS202E Enter and work in confined spaces 24 Unit of competency
OBM90 RIICTT306E Install cure in-place linings for existing pipeline systems 68 Unit of competency
OCM81 CPCPSN3025 Install pre-treatment facilities 10 Unit of competency
OCM79 CPCPSN3026 Install sewerage pumpsets 8 Unit of competency
OCO41 CPCPDR3025 Plan layout and install vacuum drainage systems 35 Unit of competency
5. Group D

Please refer to the packaging rules for the full details of available options

State Code National Code Title Hours Type
OAP32 CPCCCM2008 Erect and dismantle restricted height scaffolding 16 Unit of competency
OCN03 CPCPRF2024 Fabricate roof coverings for curved structures 16 Unit of competency
OCM91 CPCPRF3025 Install roof coverings to curved roof structures 24 Unit of competency
OCM89 CPCPRF3026 Install roof sheets, wall cladding and complex flashings 25 Unit of competency
BBA88 CPCCCM3001 Operate elevated work platforms up to 11 metres 16 Unit of competency
OCN02 CPCPRF3021 Receive roofing materials 4 Unit of competency
OCM88 CPCPRF3027 Select and install a heritage roof system 25 Unit of competency
OCN08 CPCPRF2022 Select and install roof sheeting and wall cladding 25 Unit of competency
6. Group E

Please refer to the packaging rules for the full details of available options

State Code National Code Title Hours Type
OCN69 CPCPMS2021 Assemble mechanical services components 12 Unit of competency
OCN67 CPCPMS3031 Fabricate and install steel pressure piping 52 Unit of competency
OCM68 CPCPMS3038 Install air conditioning control equipment 8 Unit of competency
OCN58 CPCPMS3036 Install air handling units 12 Unit of competency
OCN61 CPCPMS3035 Install and test ducting systems 12 Unit of competency
OCN55 CPCPMS3039 Maintain mechanical services equipment 8 Unit of competency
OCM82 CPCPMS3032 Select and fit insulation and sheathing 8 Unit of competency
7. Group F

Please refer to the packaging rules for the full details of available options

State Code National Code Title Hours Type
OAP37 CPCCWHS2001 Apply WHS requirements, policies and procedures in the construction industry 32 Unit of competency
OCA55 UEECD0007 Apply work health and safety regulations, codes and practices in the workplace 18 Unit of competency
OCP22 CPCCWC2001 Complete penetrations and flashings 8 Unit of competency
OAP32 CPCCCM2008 Erect and dismantle restricted height scaffolding 16 Unit of competency
OCN57 CPCPMS3037 Install and commission a single head split system air conditioning 12 Unit of competency
OCN53 CPCPMS3040 Install and commission evaporative air cooling systems 12 Unit of competency
OCA01 UEERA0049 Install and start up single head split air conditioning and water heating heat pump systems 63 Unit of competency
OCN63 CPCPMS3034 Install and test medical gas pipeline systems 20 Unit of competency
OCN21 CPCPMS3041 Install domestic solid fuel burning appliances 20 Unit of competency
OCN65 CPCPMS3033 Install small bore heating systems 12 Unit of competency
BBA88 CPCCCM3001 Operate elevated work platforms up to 11 metres 16 Unit of competency
OCB86 UEERA0059 Prepare and connect refrigerant tubing and fittings 36 Unit of competency
OBZ23 UEERA0064 Recover, pressure test, evacuate, charge and leak test refrigerants - split systems 54 Unit of competency
OCN54 CPCPCM2053 Weld using metal arc welding equipment 8 Unit of competency
Replaces
State Code National Code Title Type
J787 CPC32413 Certificate III in Plumbing Qualification
No information
Entry Requirements

There are no entry requirements for this qualification.

Traineeships and Apprenticeships
(AP00050) PLUMBING AND GASFITTING Apprenticeship

For elite athletes the minimum hours of employment are 7.5 hours per week, which can be averaged over six month periods.
The elite athlete arrangement is available subject to the requirement of the applicable industrial instrument.