NZQA registered unit standard
25433 version 2
Page 1 of 4
Title
Manage chemicals at a hot dip galvanizing facility
Level
4
Credits
15
Purpose
People credited with this unit standard are able to, at a hot dip
galvanizing facility: identify, evaluate, control, and monitor
health and safety hazards and environmental aspects related to
the use of chemicals; manage the make up of a chemical
solution for a new tank; manage the care of chemical solutions;
and manage de-sludging of process tanks.
Classification
Industrial Coatings> Hot Dip Galvanizing
Available grade
Achieved
Entry information
Critical health and
safety prerequisites
Prerequisite: Unit 21165, Demonstrate basic knowledge of
chemicals used at a hot dip galvanizing facility, or demonstrate
equivalent knowledge and skills.
Explanatory notes
1
The current version of the following documents must be complied with:
Hazardous Substances and New Organisms Act (HSNO) 1996;
Health and Safety in Employment Act 1992;
Health and Safety in Employment Regulations 1995;
Codes of practice approved by the Occupational Safety and Health Service, available
at http://www.business.govt.nz including:
Approved Code of Practice for the Management of Substances Hazardous to Health
in the Place of Work (1997), Occupational Safety and Health Service, Department of
Labour, Wellington, July 1997, ISBN 0-477-03602-3
Manufacturer’s instructions.
2
This unit standard covers industry specific training for people who are to become
approved handlers under the, Hazardous Substances (Personnel Qualifications)
Regulations 2001. Unit 20645, Describe the requirements of the HSNO Act 1996
relevant to approved handlers, is also required for approved handlers.
3
Personal protective equipment (PPE) must be used throughout operations in
accordance with company procedures and manufacturer’s instructions.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
4
25433 version 2
Page 2 of 4
Definitions
Chemicals are limited to those used in hot dip galvanizing processes such as
pickling, degreasing, inhibiting, fluxing, and quenching;
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
Identify, evaluate, control, and monitor health and safety hazards and environmental
aspects related to the use of chemicals at a hot dip galvanizing facility.
Evidence requirements
1.1
Health and safety hazards are identified and evaluated in accordance with
legislative requirements and company procedures.
1.2
The procedures and equipment for controlling and monitoring health and safety
hazards are explained in accordance with legislative requirements and
company procedures.
1.3
Health and safety hazards are controlled and monitored in accordance with
legislative requirements and company procedures.
1.4
Environmental aspects related to the use of chemicals in a hot dip galvanizing
facility are identified and evaluated in accordance with legislative requirements
and company procedures.
Range
includes but is not limited to – fumes, spills.
1.5
The procedures to control environmental aspects resulting from the use of
chemicals in a hot dip galvanizing facility are explained in accordance with
legislative requirements and company procedures.
1.6
Environmental aspects resulting from the use of chemicals in a hot dip
galvanizing facility are controlled and monitored in accordance with legislative
requirements and company procedures.
Outcome 2
Manage the make up of a chemical solution for a new tank at a hot dip galvanizing facility.
Evidence requirements
2.1
The chemical requirements for a new tank make up are calculated in
accordance with company procedures.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
2.2
25433 version 2
Page 3 of 4
Management ensures that the tank preparation is carried out in accordance with
tank type and company procedures.
Range
acid, flux;
may include but is not limited to – caustic, quench, passivation.
2.3
Management ensures that chemicals are ordered and their delivery is arranged
in accordance with solution requirements and company procedures.
2.4
Management ensures that delivery and receipt of chemicals are recorded in
accordance with legislative requirements and company procedures.
Range
2.5
evidence is required for three chemicals of which one must be
liquid and one solid.
Management ensures that chemicals are stored, as required, in accordance
with legislative requirements and company procedures.
Outcome 3
Manage the care of chemical solutions at a hot dip galvanizing facility.
Evidence requirements
3.1
Management ensures that chemical solutions are analysed in accordance with
company procedures.
3.2
Management ensures that chemicals are measured and solutions are made up
in accordance with company procedures.
Range
includes but is not limited to – acid, alkali, flux, quench.
3.3
Management ensures that containers of prepared chemical solutions are stored
in designated area in accordance with legislative requirements and company
procedures.
3.4
Management ensures that disposal of spent chemical solutions and used
chemical containers are arranged in accordance with legislative requirements
and company procedures.
Outcome 4
Manage de-sludging of process tanks at a hot dip galvanizing facility.
Evidence requirements
4.1
A plan is developed for de-sludging process in accordance with legislative
requirements and company procedures.
4.2
Management ensures that the tank is de-sludged in accordance with the plan.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
25433 version 2
Page 4 of 4
Replacement information
This unit standard replaced unit standard 21179.
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
23 January 2009
31 December 2016
Review
2
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