NZQA registered unit standard
9283 version 3
Page 1 of 3
Title
Carry out arc furnace floor operations
Level
3
Credits
Purpose
12
This unit standard is for people working in the steel
manufacturing sector.
People credited with this unit standard are able to: carry out
steel quality operations; carry out arc furnace servicing
operations; tap arc furnace; and maintain stock levels.
Classification
Steel Manufacturing > Steel Making
Available grade
Achieved, Merit
Explanatory notes
1
Definition
Company documentation refers to the documented procedures, manufacturer’s
manuals and selected reference texts for the equipment and process.
2
Legislation relevant to this unit standard includes but is not limited to – Health and
Safety in Employment Act 1992, Resource Management Act 1991.
3
This unit standard must be assessed in a workplace environment.
Outcomes and evidence requirements
Outcome 1
Carry out steel quality operations.
Evidence requirements
1.1
Temperature tests meet company documentation for number and timing.
1.2
Samples sent to laboratory meet company documentation for number and
timing.
1.3
Samples sent to laboratory meet technical process specifications.
Range
1.4
specifications include but are not limited to – size, shape, surface
quality.
Lancing of molten steel is carried out in accordance with company
documentation for duration, lance position, and time in process.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
9283 version 3
Page 2 of 3
Outcome 2
Carry out arc furnace servicing operations.
Evidence requirements
2.1
Arc furnace servicing tasks are carried out in accordance with company
documentation.
Range
2.2
Equipment is used in accordance with company documentation.
Range
2.3
servicing tasks include but are not limited to – lances changed,
electrodes changed and built up, slag doors, launders, and
tapholes cleaned and rebuilt, refractories refurbished.
equipment includes but is not limited to – oxygen lances, wheeled
vehicles, lifting gear.
The refill of gunning silo and carbon powder silo complies with company
documentation.
Outcome 3
Tap arc furnace.
Evidence requirements
3.1
Measures to reduce steel spillage and skulling throughout tapping operations
are carried out in accordance with company documentation.
3.2
Tapped steel flow strikes the ladle target.
3.3
The amount of slag in the ladle is reduced in accordance with company
documentation.
3.4
Tapping operations are carried out in accordance with company documentation.
Outcome 4
Maintain stock levels.
Evidence requirements
4.1
Maintenance of stock levels is carried out in accordance with company
documentation to enable continuity of production.
Planned review date
Competenz
SSB Code 101571
31 December 2012
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
9283 version 3
Page 3 of 3
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
30 January 1997
31 December 2012
Revision
2
18 July 2000
31 December 2012
Rollover and
Revision
3
15 March 2012
N/A
Consent and Moderation Requirements (CMR) reference
0013
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 Competenz qualifications@competenz.org.nz if you wish to suggest
changes to the content of this unit standard.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016