NZQA registered unit standard
28462 version 1
Page 1 of 3
Title
Use a centrifuge to hot dip galvanize small metal components
Level
3
Credits
10
Purpose
People credited with this unit standard are able to dip and
centrifuge small metal components for hot dip galvanizing
Classification
Industrial Coatings > Hot Dip Galvanizing
Available grade
Achieved
Explanatory notes
1
The 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 http://www.standards.co.nz;
After-Fabrication Hot Dip Galvanizing: A practical reference for designers, specifiers,
engineers, consultants, manufacturers, and users, Galvanizing Association of New
Zealand, available at http://www.galvanizing.org.nz;
ASTM E376-11 Standard Practice for Measuring Coating Thickness by MagneticField or Eddy-Current (Electromagnetic) Examination Methods, available at
http://www.astm.org/;
Manufacturer’s instructions.
2
Health and safety procedures must be followed in accordance with workplace and
legislative requirements for all tasks leading to assessment against this standard.
Personal protective equipment (PPE) must be used throughout operations in
accordance with company procedures and manufacturer’s instructions.
3
Definition
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.
4
Performance in this standard is to be assessed under supervision.
Outcomes and evidence requirements
Outcome 1
Dip small metal components for hot dip galvanizing.
Range
threaded, non-threaded, hollow section, castings, chain.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28462 version 1
Page 2 of 3
Evidence requirements
1.1
Components are prepared and transferred to basket with no spillage.
1.2
Kettle surface is swept and ash removed in accordance with company
procedures.
Range
prior to immersion, prior to withdrawal.
1.3
Baskets are lifted and moved to hot dip galvanizing kettle in accordance with
company procedures, and are lowered into kettle without splashing.
1.4
Components are immersed and stirred, and basket is removed from kettle, in
accordance with company procedures.
1.5
The basket is drained and transferred to centrifuge in accordance with company
procedures.
Outcome 2
Centrifuge small metal components for hot dip galvanizing.
Range
threaded, non-threaded, hollow section, castings, chain.
Evidence requirements
2.1
Small metal components are centrifuged in accordance with company
procedures.
2.2
Baskets are removed from centrifuge and transferred to quench or rumbler in
accordance with company procedures.
Replacement information
This unit standard replaced unit standard 21173.
Planned review date
31 December 2019
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
16 April 2015
N/A
Consent and Moderation Requirements (CMR) reference
0114
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28462 version 1
Page 3 of 3
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Comments on this unit standard
Please contact the NZ Motor Industry Training Organisation (Incorporated) (MITO)
info@mito.org.nz if you wish to suggest changes to the content of this unit standard.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016