NZQA Expiring unit standard
21166 version 5
Page 1 of 3
Title
Inspect and fettle metal components after hot dip galvanizing
Level
2
Credits
5
Purpose
People credited with this unit standard are able to inspect and
fettle metal components after hot dip galvanizing.
Classification
Hot Dip Galvanizing > Hot Dip Galvanizing Operations
Available grade
Achieved
Entry information
Critical health and
safety prerequisites
Unit 25130, Describe hazards, safety and emergency
procedures, and exhibit safe working practices at a hot dip
galvanizing facility, or demonstrate equivalent knowledge and
skills.
Explanatory notes
1
Documents relevant to this unit standard include:
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.
2
Definitions
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.
Double-end dipping refers to galvanizing articles that are longer than the bath by
dipping one end of the component at a time.
Fettling tools refer to hand held tools such as files, grinders, and wire cutters.
This unit standard is
expiring
Outcomes and evidence requirements
Outcome 1
Inspect metal components after hot dip galvanizing.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
Range
21166 version 5
Page 2 of 3
evidence is required of inspecting at least three types of component of which a
minimum of one has been double-end dipped.
Evidence requirements
1.1
Hot dip galvanized components are inspected for defects of coating in
accordance with company procedures and AS/NZS 4680.
Range
1.2
Inspection identifies defects outside the control of the galvanizer.
Range
1.3
defects – lack of adherence, roughness.
defects – design, fabrication, steel composition.
Procedures for hot dip galvanized components that do not meet the standard of
AS/NZS 4680 are applied in accordance with company procedures.
Outcome 2
Fettle metal components after hot dip galvanizing.
Range
dags, zinc runs, ash or dross inclusions or adherents.
Evidence requirements
2.1
An appropriate fettling tool is selected to remedy the defect in accordance with
company procedures.
2.2
Hazards of using fettling tools are established and resulting safety precautions
are taken when fettling in accordance with company procedures.
2.3
Hot dip galvanized components are fettled in accordance with company
procedures.
2.4
Components that require repairing are processed in accordance with AS/NZS
4680 and company procedures.
2.5
Fettling tools that are unsafe or faulty are identified, and corrective actions are
taken in accordance with company procedures.
2.6
Fettling tools are cleaned, serviced, and stored in accordance with company
procedures.
This unit standard is
Range
the coating remains
intact.
expiring
Replacement information
This unit standard and unit standard 21177 have been
replaced by unit standard 28442.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
21166 version 5
Page 3 of 3
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
21 October 2004
31 December 2012
Revision
2
15 June 2005
31 December 2012
Review
3
23 January 2009
31 December 2012
Revision
4
18 August 2011
31 December 2016
Review
5
16 April 2015
31 December 2016
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.
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.
This unit standard is
expiring
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016