Drainer – Occupation Information

Introduction

A Drainer is a licensed tradesperson responsible for installing, maintaining, and repairing below-ground drainage systems and sewer infrastructure.

They work on stormwater systems, wastewater pipes, and underground drainage networks.

Drainers play a key role in ensuring safe disposal of wastewater and preventing environmental and structural damage.

In Australia, drainage work is regulated and requires formal qualifications, practical experience, and licensing or registration.

Types of Drainage Work

Drainers may specialise depending on the type of system and project scope.

Common types include:

Residential Drainage Work
Commercial and Civil Drainage
On-Site Wastewater Systems

1. Residential Drainage Work

Residential drainers handle household drainage systems and connections.

Residential Work Scope

Work Type	Description
Stormwater Installation	Installing drainage for rainwater systems
Sewer Connections	Connecting homes to sewer systems
Drain Repairs	Fixing blocked or damaged drains
Pipe Installation	Laying underground drainage pipes

2. Commercial and Civil Drainage

This involves large-scale drainage systems for infrastructure and developments.

Commercial Work Scope

Work Type	Description
Road Drainage Systems	Installing drainage for roads and highways
Subdivision Drainage	Infrastructure for housing developments
Industrial Drainage	Systems for factories and facilities
Stormwater Management	Controlling water flow and runoff

3. On-Site Wastewater Systems

Some drainers specialise in independent wastewater systems.

Specialised Work Scope

Work Type	Description
Septic System Installation	Installing onsite wastewater systems
Treatment Systems	Managing wastewater disposal
Effluent Systems	Designing disposal methods
Maintenance Services	Servicing and repairing systems

State and Territory Licensing Authorities

Drainage work requires licensing or registration across all Australian states and territories.

State / Territory	Licensing Authority	Requirement	Website
New South Wales	Building Commission / Fair Trading	Licence required	https://www.nsw.gov.au
Victoria	Victorian Building Authority	Registration required	https://www.vba.vic.gov.au
Queensland	QBCC	Licence required	https://www.qbcc.qld.gov.au
South Australia	Consumer and Business Services	Licence required	https://www.cbs.sa.gov.au
Western Australia	Building Commission	Registration required	https://www.wa.gov.au
Tasmania	Building and Occupational Services	Licence required	https://www.cbos.tas.gov.au
Australian Capital Territory	Access Canberra	Licence required	https://www.accesscanberra.act.gov.au
Northern Territory	Plumbers Licensing Board / NT Government	Licence required	https://plumberslicensing.nt.gov.au

Training and Qualification Requirements

Drainers require technical training, trade qualifications, and hands-on experience.

Primary Qualification

Qualification	Description
Certificate II in Drainage	Entry-level qualification
Certificate III in Plumbing (Drainage Stream)	Core trade qualification
Apprenticeship	Practical training pathway
White Card	Required for construction work

Key Training Areas

Drainage system installation and design
Pipe laying and alignment
Stormwater and sewer systems
Reading plans and specifications
Excavation and trench safety
Workplace health and safety practices

Industry Experience

Practical experience is essential.

Typical experience includes:

Working on construction and plumbing sites
Assisting with pipe installation and drainage systems
Operating tools and machinery
Understanding underground infrastructure systems

Experience builds technical skills and safety awareness.

Compliance and Industry Regulations

Drainage work must comply with strict plumbing and construction standards.

Key responsibilities include:

Installing drainage systems according to regulations
Ensuring proper waste disposal and flow systems
Preventing contamination and environmental risks
Following approved construction methods
Maintaining safety standards on-site

Compliance and Penalties

Failure to comply may result in:

Fines and legal penalties
Worksite shutdowns
Licence suspension or cancellation
Health and environmental risks

Where to Verify a Drainer Licence

State / Territory	Authority	Verification Link
New South Wales	Licence Check NSW	https://verify.licence.nsw.gov.au
Victoria	Victorian Building Authority	https://www.vba.vic.gov.au
Queensland	QBCC Licence Search	https://www.qbcc.qld.gov.au
Western Australia	WA Government	https://www.wa.gov.au
South Australia	CBS Licence Register	https://www.cbs.sa.gov.au
Tasmania	CBOS Licence Search	https://www.cbos.tas.gov.au
Australian Capital Territory	Access Canberra	https://www.accesscanberra.act.gov.au
Northern Territory	NT Licensing	https://plumberslicensing.nt.gov.au

Career Roles in Drainage

Drainer
Plumber and Drainer
Drainage Technician
Civil Construction Worker
Pipe Layer
Drainage Contractor

Job Outlook and Salary

Experience Level	Average Salary
Entry-Level	$60,000 – $75,000
Experienced	$75,000 – $100,000
Senior	$100,000 – $130,000+

Demand remains strong due to construction, infrastructure, and urban development projects.

Frequently Asked Questions

What does a drainer do?
A drainer installs and maintains underground drainage and sewer systems.

Do drainers need a licence in Australia?
Yes, drainage work requires licensing or registration in all states and territories.

What qualifications are required?
Typically a Certificate II or III in drainage or plumbing, along with experience.

Where do drainers work?
They work on construction sites, infrastructure projects, and residential developments.