ANZSCO 1.3 occupation

Drainlayer: ANZSCO code 334113

Drainlayer is occupation 334113 in ANZSCO 1.3, the classification Immigration New Zealand uses for most work visas and every Skilled Migrant Category application. It sits at ANZSCO skill level 3, in unit group 3341 Plumbers.

ANZSCO code: 334113
Skill level: 3
Unit group: 3341 Plumbers
Green List: Yes, Tier 2 (named roles)

Drainlayer: qualifications and experience required in New Zealand

ANZSCO places this occupation at skill level 3. For New Zealand, ANZSCO describes the qualifications and experience as:

NZQF Level 4 qualification. 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.

Under the National Occupation List, code 334113 is "Drainlayer" at NOL skill level 3: NZQCF Level 4 qualification, or at least three years of relevant experience may substitute for the formal qualification (NZQCF Level 4/NOL Skill Level 3).

A skill level describes the occupation, not you. Immigration New Zealand matches a job to the single closest occupation, and the skill level comes from that occupation; more experience does not move an occupation to a higher level.

What does a drainlayer do?

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

Tasks for unit group 3341 Plumbers 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
Installing sewerage and effluent pumping equipment and disposal systems
Installing below-ground drainage systems and associated ground support systems
Installing gas appliances, flues and pressure regulating devices
Fabricating and installing metal roofing, rainwater goods and flashings

Other job titles under ANZSCO 334113

Alternative titles and specialisations from ANZSCO, and job titles Stats NZ lists under the same code:

Septic Tank Installer
Drain Layer
Drain Layers Labourer
Drainage Contractor
Drainlayer Foreman
Drainlayers Labourer

What skill level 3 means for New Zealand visas

Visa rule	For this occupation	More
Accredited Employer Work Visa: longest visa	Up to 5 years for skill level 1 to 3 roles.	AEWV guide
AEWV: evidence of English	Required for skill level 3 roles from 1 June 2026, with limited exemptions.	AEWV guide
Supporting a partner's visa	The skill level 1 to 3 wage threshold applies.	Partner of a Worker
Skilled Migrant Category: Skilled Work Experience pathway	Open to skill level 1 to 3 occupations, with work experience and pay requirements.	Skilled Work Experience pathway
SMC red and amber lists	Not on either list.	INZ's lists
SMC Trades and Technician pathway	Not on INZ's list of eligible occupations.	INZ's list
Green List	Drainlayer: Tier 2 (Work to Residence after 24 months). Only the named role qualifies, with INZ's qualification, registration or experience requirements for it.	Green List guide

Rules as published by Immigration New Zealand. Lists synced 31 October 2026. Each visa has further requirements beyond skill level, including pay and work experience.

National Occupation List occupations for ANZSCO 334113

Stats NZ's National Occupation List is gradually replacing ANZSCO. These NOL occupations map to ANZSCO 334113. Immigration New Zealand accepts a NOL code only for an AEWV or job check, and only for occupations on its published list; for any other visa, use the ANZSCO code.

NOL code	NOL occupation	NOL skill level	INZ accepts for an AEWV
334113	Drainlayer	3	Not yet

Not sure this is your occupation?

Picking the right occupation decides the skill level, and with it the visa rules above. Talk it through with us: we will listen to your situation and match you with the right IAA-licensed adviser. You can also check your pay and work experience against the residence wage rules with our calculator.

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Frequently asked questions

What is the ANZSCO code for Drainlayer?

Drainlayer is ANZSCO 1.3 occupation 334113, in unit group 3341 Plumbers. Immigration New Zealand uses ANZSCO 1.3 for most work visa applications and all Skilled Migrant Category applications.

What skill level is Drainlayer?

ANZSCO skill level 3, where 1 is the most skilled and 5 the least. NZQF Level 4 qualification. 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.

Is Drainlayer on the Green List?

Yes. Immigration New Zealand lists Drainlayer (Tier 2) under ANZSCO 334113. Only the named role qualifies, and INZ sets qualification, registration or experience requirements for it.

Sources: ANZSCO version 1.3, Australian Bureau of Statistics, CC BY 4.0, synced 31 October 2026; National Occupation List V3.0.0, Stats NZ, CC BY 4.0, synced 1 November 2026; Immigration New Zealand occupation lists, synced 31 October 2026. This page reproduces published classifications and Immigration New Zealand's lists. It is general information, not immigration advice. ProVisas is a licensed New Zealand immigration advisory firm (IAA Licence 201301110).