NZQA Expiring unit standard / 28443 version 2
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Title / Plan and monitor quality of jigging for hot dip galvanizing
Level / 4 / Credits / 5
Purpose / This unit standard is intended for those specialising in jigging for hot dip galvanizing.
People credited with this unit standard are able to plan jigging and monitor quality of the jigging process for hot dip galvanizing.
Classification / Industrial Coatings > Hot Dip Galvanizing
Available grade / Achieved

Guidance Information

1The current version of the following documents must be complied with:

AS/NZS 4680:2006 Hot-dip galvanized (zinc) coatings on fabricated ferrous articles, available at

After-Fabrication Hot Dip Galvanizing: A practical reference for designers, specifiers, engineers, consultants, manufacturers, and users, Galvanizing Association of New Zealand, available at

manufacturer’s instructions.

2Health and safety procedures must be followed in accordance with workplace and legislative requirements for all tasks leading to assessment of this standard. Personal protective equipment (PPE) must be used throughout operations in accordance with company procedures and manufacturer’s instructions.

3Definition

Company procedures refer to all documented policies and procedures of the candidate’s employer at the time of training including, but not limited to, those relating to health, safety, environment, quality, and operations.

Outcomes and performance criteria

Outcome 1

Plan jigging for hot dip galvanizing.

Performance criteria

1.1Components to be jigged are assessed for suitability for hot dip galvanizing.

1.2Jigging layout is planned for a variety of different sizes and shapes of hollow and solid components.

Rangeincludes but is not limited to – parts requiring air-cool, open hollow sections, drilled hollow sections, long sections, small parts, thick steel, painted steel.

1.3Production planning of jigging is coordinated with other stages of the galvanizing process in accordance with company procedures.

Rangeincludes but is not limited to – split jobs, production capacity, customer delivery requirements, customer finish requirements.

Outcome 2

Monitor quality of the jigging process for hot dip galvanizing.

Performance criteria

2.1Jigging consistency is monitored in accordance with company procedures.

2.2Where applicable, records of jigging are kept in accordance with company procedures.

2.3Components that are unsuitable for galvanizing are identified and removed from production in accordance with company procedures.

Replacement information / This unit standard and unit standard 28439 replaced unit standard 21164.

This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below.

Status information and last date for assessment for superseded versions

Process / Version / Date / Last Date for Assessment
Registration / 1 / 16 April 2015 / 31 December 2019
Review / 2 / 13 December 2018 / 31 December 2019
Consent and Moderation Requirements (CMR) reference / 0114

This CMR can be accessed at

NZ Motor Industry Training Organisation (Incorporated) (MITO)
SSB Code 101542 / New Zealand Qualifications Authority 2019