NZQA registered unit standard
Title
28461 version 1
Page 1 of 3
Plan, perform, and direct dross removal for hot dip galvanizing
Level 4 Credits 10
Purpose This unit standard is intended for those specialising in the hot dipping area of the hot dip galvanizing process.
People credited with this unit standard are able to plan, perform, direct, and monitor quality of dross removal from the galvanizing kettle for hot dip galvanizing
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, 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
; m anufacturer’s instructions.
2 Health and safety procedures must be followed in accordance with workplace and legislative requirements for all tasks leading to assessment against 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.
Outcome 1
Plan removal of dross from a galvanizing kettle for hot dip galvanizing

New Zealand Qualifications Authority 2020 NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542

NZQA registered unit standard 28461 version 1
Page 2 of 3
Evidence requirements
1.1 Dross removal requirements are determined in accordance with company procedures.
1.2 Staffing requirements and timing for dross removal activities are planned and communicated in accordance with company procedures.
Outcome 2
Perform and direct the removal of dross from a galvanizing kettle for hot dip galvanizing.
Evidence requirements
2.1 Dross is removed from kettle in accordance with company procedures and with minimal zinc drag out.
Range all dross is removed, dross is cut and/or vibrated.
2.2 Dross is transferred to mould without spillage in accordance with company procedures.
2.3 Components in dross are separated and disposed of in accordance with company procedures.
Outcome 3
Monitor quality of the dross removal process for hot dip galvanizing.
Evidence requirements
3.1
Consistency of the dross removal processes is monitored in accordance with company procedures.
3.2 Where applicable, records of dross removal are kept 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
.

New Zealand Qualifications Authority 2020 NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542

NZQA registered unit standard 28461 version 1
Page 3 of 3
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 2020