NZQA registered unit standard
9282 version 3
Page 1 of 3
Title
Control arc furnace process parameters and operation from a control
room
Level
4
Purpose
Credits
40
This unit standard is for people working in the steel
manufacturing sector.
People credited with this unit standard are able to: control arc
furnace process; control floor operations; and optimise arc
furnace condition.
Classification
Steel Manufacturing > Steel Making
Available grade
Achieved
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
Control arc furnace process.
Evidence requirements
1.1
Monitoring and interpretation of output data enable control parameters to be
adjusted to maintain technical process specifications.
1.2
Output steel meets company specifications for temperature, chemistry, and
volume.
1.3
Melts are completed in time for scheduled tap times.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
9282 version 3
Page 2 of 3
Outcome 2
Control floor operations.
Evidence requirements
2.1
Communication of process requirements to floor operators enables company
documentation for floor operations to be completed in accordance with the
production schedule.
Range
2.2
process requirements include but are not limited to – tapping,
additions, lancing, sampling, temperature testing.
Communication of process requirements to other steelmaking areas enables
supply of steel to meet production schedule.
Range
other steelmaking areas include but are not limited to – oxy blast
vessel, caster, ladle treatment, ladle operators.
2.3
Operation of oxygen manipulation and burner is in accordance with company
documentation.
2.4
Operation of carbon injection is in accordance with the company
documentation.
2.5
Control and management of hot heel are in accordance with company
documentation.
Outcome 3
Optimise arc furnace condition.
Range
condition includes but is not limited to – of refractory lining, lance, mouth,
taphole, roof, electrodes, cooling system, emissions control.
Evidence requirements
3.1
Monitoring of arc furnace condition is carried out visually and by alarm system,
and enables company documentation for maximising the productive life of the
furnace to be achieved.
3.2
Organisation of any remedial action enables furnace utilisation requirements
and furnace life to be achieved to company documentation.
Range
3.3
remedial action includes but is not limited to – clean, replace,
repair.
Maintenance of slag foaming is in compliance with the set procedure.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
Planned review date
9282 version 3
Page 3 of 3
31 December 2012
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