Certificate II in Drainage

This qualification provides an occupational outcome in draining.

Occupational titles may include:


The qualification has core and elective units of competency that include units common to other qualifications in the plumbing industry, as well as specialist drainage units of competency.

The plumbing industry strongly affirms that training and assessment leading to recognition of skills must be undertaken in a real or very closely simulated workplace environment and this qualification requires all units of competency to be delivered in this context.

Completion of the general induction training program specified by the National Code of Practice for Induction Training for Construction Work (ASCC 2007) is required before entering a construction work site. Achievement of unit CPCCOHS1001A covers this requirement.


Packaging rules

To achieve this qualification, the candidate must demonstrate competency in:

22 units of competency:

18 core units

4 elective units.

Core units

add topic CPCPCM2002A

Carry out interactive workplace communication

add topic CPCPCM2004A

Read plans and calculate plumbing quantities

add topic CPCPCM2011A

Apply first aid in the workplace

add topic CPCPCM2021A

Work effectively in the plumbing and services sector

add topic CPCPCM2023A

Carry out OHS requirements

add topic CPCPCM2025A

Handle and store plumbing materials

add topic CPCPCM2026A

Use plumbing hand and power tools

add topic CPCPCM2027A

Carry out levelling

add topic CPCPCM2030A

Mark out materials

add topic CPCPCM2034A

Carry out simple concreting and rendering

add topic CPCPDR2011A

Locate and clear blockages

add topic CPCPDR2012A

Install domestic treatment plants

add topic CPCPDR2014A

Install stormwater and sub-soil drainage systems

add topic CPCPDR2015A

Drain work site

add topic CPCPDR2016A

Install prefabricated inspection openings and enclosures

add topic CPCPDR3012A

Install below ground sanitary drainage systems

add topic CPCPDR3013A

Install on-site disposal systems

add topic RIICCM210A

Install trench support

Elective units

add topic CPCPCM2018A

Cut and join sheet metal

add topic CPCPCM2033A

Weld using arc welding equipment

add topic CPCPCM2019A

Cut using oxy-LPG-acetylene equipment

add topic CPCPCM2022A

Weld using oxy-acetylene equipment

add topic CPCPCM3012A

Weld plastic pipe using fusion method

add topic CPCPDR2013A

Maintain effluent disinfection systems

add topic CPCPDR3011A

Plan layout of a residential sanitary drainage system

add topic CPCPWT3019A

Install water pipe systems

add topic CPCPRF2013A

Collect and store roof water

add topic CPCPSN3015A

Install pre-treatment facilities


    Not Applicable

Entry Requirements

Not Applicable

Licensing Information

Not Applicable

Employability Skills


Employability skill

Industry/enterprise requirements for this qualification include:


Communicates with clients, colleagues and others using effective and appropriate communication techniques, including:

Clear and direct communication

Active listening

Verbal and non-verbal language

Questioning to identify and confirm requirements

Language and concepts appropriate to cultural differences

Follows instructions from supervisor and other relevant persons

Understands, interprets and applies information as required from:

Regulatory, legislative, licensing and organisational requirements

Environmental and OHS requirements, including material safety data sheets (MSDS)

Codes and standards

Plans, drawings and specifications


Safety signs and symbols

Organisational policies and procedures

Understands relevant definitions, terminology, symbols, abbreviations and language

Uses industry-accepted visual communications, including hand signals

Reports and records routine workplace and regulatory information

Applies measurements and calculations using appropriate equipment, formulas and records as required

Reports and records hazards and risks


Works as part of a team

Provides assistance and encouragement to other team members

Initiates and encourages improvements in team performance

Works with others to plan and sequence tasks

Identifies and utilises the strengths of other team members

Relates to people from diverse social, cultural and ethnic backgrounds and with varying physical and mental abilities

Participates in workplace meetings

Problem solving

Responds effectively to hazards, risks, emergencies and first aid situations

Examines tools and equipment prior to use for damage, missing components or other defects

Identifies typical faults and problems and takes remedial actions and/or reports to supervisor

Rectifies simple faults with tools and equipment

Locates and clears plumbing blockages

Initiative and enterprise

Maximises use of resources by recycling, re-using or using appropriate disposal methods

Responds to change and workplace challenges

Planning and organising

Prepares work area

Identifies and obtains necessary documentation

Collects, analyses and organises workplace information

Selects and uses appropriate materials, tools and equipment

Carries out site inspections

Determines material quantity requirements and conformity to requirements

Determines roof water storage requirements

Plans drainage system layouts

Prioritises and sequences tasks

Applies time management skills to ensure work is completed to time requirements

Self management

Recognises obligations and accepts responsibility for own work and safety

Recognises quality requirements and completes work to expected standard

Identifies personal career development needs and sets own and team work goals

Participates in workplace induction

Cleans up work area, including tools and equipment

Seeks support to improve work performance


Identifies own learning needs and seeks skill development as required

Is open to learning new ideas and techniques

Participates in workplace induction


Installs, tests and maintains systems

Uses electricity and electrical equipment safely

Uses and operates a range of tools and equipment correctly and safely

Identifies technological trends that may affect the plumbing and services sector

Carries out pre- and post-operational checks on tools and equipment

Performs tool and equipment maintenance as required