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ANZSCO 334113

Drainer

MLTSSLCSOLSkill level 3Assessed by TRAListed in the 4 June 2026 SkillSelect round (subclass 189)Shortage

General information, not immigration advice. Data as at 2026-10-22.

About this occupation

ANZSCO 2022

Installs, maintains and designs below-ground drainage systems and associated sewerage or effluent disposal systems. Registration or licensing is required.

Skill level 3

Also called

  • Plumber and Drainer

Unit group 3341

Plumbers

Plumbers install, maintain and repair pipes, drains, guttering and metal roofing, mechanical services and related equipment for water supply, gas, drainage, sewerage, heating, cooling and ventilation systems.

Indicative skill level

Most occupations in this unit group have a level of skill commensurate with the qualifications and experience outlined below.

In Australia

  • AQF Certificate III including at least two years of on-the-job training, or AQF Certificate IV (ANZSCO Skill Level 3)

In New Zealand

  • NZQF Level 4 qualification (ANZSCO Skill Level 3)

At least three years of relevant experience may substitute for the formal qualifications listed above. In some instances relevant experience and/or on-the-job training may be required in addition to the formal qualification.

Registration or licensing is required.

Tasks include

  • Studying blueprints, drawings and specifications to determine the layout of plumbing systems and materials required
  • Setting out and installing hot and cold water systems and associated equipment
  • Installing water-based fire protections systems, including fire hydrants, hose reels and sprinkler systems
  • Designing and installing sanitary plumbing and water supply systems, discharge pipes and sanitary fixtures
  • Fabricating and installing soil and waste stacks
  • Assembling and installing mechanical services plant, air handling and conditioning equipment and small bore heating systems
Show all 10 tasks
  • Installing sewerage and effluent pumping equipment and disposal systems
  • Installing below-ground drainage systems and associated ground support systems
  • Installing, maintaining and repairing gas mains, piping systems downstream of the billing meter, and appliances and ancillary equipment associated with the use of fuel gases
  • Fabricating and installing metal roofing, rainwater goods and flashings

Occupations in this unit group

Source: Australian Bureau of Statistics, ANZSCO 2022. CC BY 4.0.

ANZSCO 2022 (the edition the CSOL uses for the 482 and 186 visas)

Title in this edition: Drainer, skill level 3

Major group
3 Technicians and Trades Workers
Sub-major group
33 Construction Trades Workers
Minor group
334 Plumbers
Unit group
3341 Plumbers

ANZSCO 2013 v1.2 (the edition the MLTSSL, STSOL and ROL use)

Title in this edition: Drainer (Aus) \ Drainlayer (NZ), skill level 3

Major group
3 TECHNICIANS AND TRADES WORKERS
Sub-major group
33 Construction Trades Workers
Minor group
334 Plumbers
Unit group
3341 Plumbers
Specialisations
Septic Tank Installer

Occupation Shortage List (2026)

National rating
Shortage
Confidence
Clear
Rated on
ANZSCO 2022

Source: Jobs and Skills Australia, 2026 Occupation Shortage List - 6 digit ANZSCO and OSCA, released 21 October 2026. CC BY 4.0.

Source: Australian Bureau of Statistics, ANZSCO (CC BY 4.0). Source: Department of Home Affairs, Skilled occupation list (CC BY 4.0). Source: Australian Government Department of Home Affairs, SkillSelect invitation rounds, CC BY 3.0 AU. Source: Jobs and Skills Australia, 2026 Occupation Shortage List. © Commonwealth of Australia, CC BY 4.0. Source: Australian Bureau of Statistics, Employee Earnings and Hours, Australia, May 2025. © Commonwealth of Australia, CC BY 4.0. Search another occupation