Nzqa registered unit standard 25433 version 2




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NZQA registered unit standard

25433 version 2




Page of




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.
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.
2.2 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 evidence is required for three chemicals of which one must be liquid and one solid.
2.5 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.



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



Ó New Zealand Qualifications Authority 2016





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