National Occupation List occupation

Senior Timber Treatment Plant Operator: NOL code 712925

Senior Timber Treatment Plant Operator is occupation 712925 on the National Occupation List (NOL) V3.0, Stats NZ's New Zealand occupation classification, at NOL skill level 3. It has no ANZSCO 1.3 code of its own: Stats NZ maps it to ANZSCO 712999 Stationary Plant Operators nec.

NOL code

712925

Skill level

3

INZ accepts for an AEWV

Yes, from 9 March 2026

Equivalent ANZSCO 1.3 code

712999 Stationary Plant Operators nec (skill level 4)

What does a senior timber treatment plant operator do?

New Zealand Certificate in Solid Wood Manufacturing (Level 4), including timber treatment strand; NZQA Unit Standard 738. Requires compliance with the Health and Safety at Work Act 2015, Hazardous Substances and New Organisms Act 1996 and Resource Management Act 1991; Best Practice Guideline for the Safe Use of Timber Preservatives & Anti-sapstain Chemicals \u2013 V1 from the New Zealand Timber Preservation Council; Approved Code of Practice for Training Operators and Instructors of Powered Industrial Lift Trucks (Worksafe); AS/NZS 1080.1:2012 Timber \u2013 Methods of test \u2013 Method 1: Moisture content. Extensive knowledge and understanding of working with treatment, preservation and drying systems, and understanding the principles, practices and safety requirements of those systems, and requires command of computational skills for effectively managing automated treatment plant systems.

Oversees the day-to-day operations of a timber treatment plant including managing, monitoring and controlling the scheduled treatment processes, and ensuring compliance with safety or quality standards.

Supports and actively contribute to the development of a comprehensive quality sampling plan to ensure compliance with treatment standards, and coordinates with external quality audit organizations to maintain alignment with the compliance program.

Verifies that chemical titrations and spot tests as part of ongoing quality control measures have been conducted.

Supervises workers operating plant and machines, including kilns, to season, preserve and dry timber and wood utilising extensive knowledge and understanding of wood properties, wood stability/movement and factors affecting treatment, preserving and drying.

Ensures maintenance of plant and machine, including fans, vents and control systems, identifies and resolves operational or mechanical issues, and oversees process improvements and corrective actions or repairs.

Demonstrates high proficiency in spill response procedures, emergency evacuation protocols, and overall emergency preparedness including strict adherence by all staff to safety guidelines, and utilization of appropriate personal protective equipment (PPE) at all times.

Trains team members and related staff in all aspects of technical and operational processes and procedures in relation to treatment, preservation and drying as well as quality and safety requirements.

Monitors that workers are keeping work areas clean and organised, and that chemicals and related materials are stored appropriately.

Responds promptly to alarms and emergency situations, taking necessary corrective actions.

Accurately completes relevant documentation and records in relation to productivity, quality, safety and performance, including logging operational data, observations, and testing results in both manual and digital systems.

What this occupation means for New Zealand visas

Immigration New Zealand accepts Senior Timber Treatment Plant Operator (712925) for an Accredited Employer Work Visa or job check from 9 March 2026, at NOL skill level 3. For any other visa, including the Skilled Migrant Category, INZ requires the equivalent ANZSCO occupation code instead, so the rows below use the ANZSCO level for those visas. INZ's NOL list.

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.

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Other NOL occupations with the same ANZSCO equivalent

• Timber Treatment Plant Operator (712923)

Browse the National Occupation List or the ANZSCO code list.