NZQA registered unit standard
21174 version 3
Page 1 of 3
Title
Demonstrate knowledge of hot dip galvanizing discharges and waste
Level
3
Credits
10
Purpose
People credited with this unit standard are able to demonstrate
knowledge of air discharges, liquid discharges, sludge waste,
and solid by-products at a hot dip galvanizing facility.
Classification
Industrial Coatings > Hot Dip Galvanizing
Available grade
Achieved
Entry information
Critical health and
safety prerequisites
Open.
Explanatory notes
1
The current version of the following documents must be complied with:
Hazardous Substances and New Organisms Act 1996;
Health and Safety in Employment Act 1992;
Health and Safety in Employment Regulations 1995;
Resource Management Act 1991;
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, website http://www.galvanizing.org.nz.
2
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.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of air discharges at a hot dip galvanizing facility.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21174 version 3
Page 2 of 3
Evidence requirements
1.1
Types of air discharge are identified in relation to processes and in accordance
with company procedures.
Range
1.2
processes – degrease, pickle, flux, galvanise, quench, finish.
Air discharge health hazards and environmental aspects are identified, and
controls are described in accordance with regulatory and/or legislative
requirements and company procedures.
Outcome 2
Demonstrate knowledge of liquid discharges at a hot dip galvanizing facility.
Evidence requirements
2.1
Types of liquid discharge are identified in relation to processes and in
accordance with company procedures.
Range
processes – degrease, pickle, flux, galvanise, quench, rinse.
2.2
Storm water discharges are described in terms of regulatory compliance.
2.3
Health hazards and environmental aspects of liquid discharges are identified,
and controls are described, in accordance with regulatory and/or legislative
requirements and company procedures.
Range
degrease, pickle, quench, flux, rinse, storm water.
Outcome 3
Demonstrate knowledge of sludge waste at a hot dip galvanizing facility.
Evidence requirements
3.1
Types of sludge waste are identified in relation to processes and in accordance
with company procedures.
Range
3.2
processes – degrease, flux, wastewater treatment, quench.
Sludge waste health hazards and environmental aspects are identified, and
controls are described, in accordance with company procedures.
Outcome 4
Demonstrate knowledge of solid by-products at a hot dip galvanizing facility.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21174 version 3
Page 3 of 3
Evidence requirements
4.1
Types of solid by-products are identified in relation to the galvanizing process
and in accordance with company procedures.
Range
4.2
ash, dross, wire.
Environmental aspects of solid by-products are identified and controls are
described in accordance with regulatory and/or legislative requirements and
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
21 October 2004
31 December 2016
Review
2
23 January 2009
31 December 2016
Review
3
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.
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