NZQA registered unit standard
28455 version 1
Page 1 of 3
Title
Perform and direct hot dipping of small metal components for
centrifuging
Level
4
Purpose
Credits
10
This unit standard is intended for those specialising in
centrifuging for hot dip galvanizing.
People credited with this unit standard are able to perform and
direct the application of zinc coating to small metal components
for centrifuging using the hot dip galvanizing process.
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 of 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.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28455 version 1
Page 2 of 3
Outcomes and evidence requirements
Outcome 1
Perform and direct hot dipping of zinc coating to small metal components for centrifuging.
Range
threaded, non-threaded, hollow section, castings, chain.
Evidence requirements
1.1
Components are prepared in accordance with client requirements and
transferred to the 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 the hot dip galvanizing kettle in accordance
with company procedures, and are lowered into kettle without splashing.
1.4
Components are immersed and stirred, and the basket is removed from kettle,
in accordance with company procedures.
1.5
The basket is drained and transferred to the centrifuge in accordance with
company procedures.
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.
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.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28455 version 1
Page 3 of 3
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