NZQA registered unit standard
21824 version 3
Page 1 of 5
Title
Describe and operate a roadheader to cut and extract in an
underground operation
Level
4
Credits
20
Purpose
People credited with this unit standard are able to: describe the
operational characteristics and performance of a roadheader;
describe safety systems and conditions for operating a
roadheader; describe cutting and mining methods using a
roadheader, and cut material transport systems; interpret a shift
plan, outline the briefing, and plan for the shift; operate a
roadheader; and park and shut down a roadheader, list defects,
and complete documentation, in an underground operation.
Classification
Extractive Industries > Underground Extraction
Available grade
Achieved
Entry information
Critical health and
safety prerequisites
Unit 7146, Demonstrate basic knowledge and ability required to
work in an underground operation, or demonstrate equivalent
knowledge and skills.
Explanatory notes
1
Performance of the outcomes of this unit standard must comply with the following:
Health and Safety in Employment Act 1992 (HSE);
Health and Safety in Employment Regulations 1995;
Health and Safety in Employment (Mining Operations and Quarrying Operations)
Regulations 2013;
approved codes of practice issued pursuant to the HSE Act.
2
Any new, amended, or replacement Acts, regulations, standards, codes of practice,
guidelines, or authority requirements or conditions affecting this unit standard will
take precedence for assessment purposes, pending review of this unit standard.
3
Definitions
Company procedures mean the documented methods for performing work activities
and include health and safety, operational, environmental, and quality management
requirements. They may refer to legislation, regulations, guidelines, standard
operating procedures, manuals, codes of practice, or policy statements.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21824 version 3
Page 2 of 5
Industry best practice may be documented in management plans, control plans,
company procedures, managers’ rules, occupational health and safety policy,
industry guidelines, codes of practice, manufacturers’ instructions, and safe working
and/or job procedures (or equivalent).
4
An underground operation includes extractive or tunnelling operations.
Outcomes and evidence requirements
Outcome 1
Describe the operational characteristics and performance of a roadheader in an
underground operation.
Evidence requirements
1.1
The operational characteristics and performance of a roadheader are described
in terms of its use in an underground operation.
Range
may include but is not limited to – safety features, instruments,
controls (remote controls where applicable), operating procedures,
powered attachments, cables, gathering arms, conveyors, cutter
head, hydraulics, rams, track operation, cutting profile.
Outcome 2
Describe safety systems and conditions for operating a roadheader in an underground
operation.
Evidence requirements
2.1
The safety systems and conditions for the operation of a roadheader are
described in accordance with industry best practice, manufacturer
specifications, and company procedures.
Range
systems may include but are not limited to – compressed air,
electrical services, hydraulics, survey sights, interlocks, sensors;
conditions may include but are not limited to – operating gradient,
cutting rate, tramming speed, lighting, accessibility, ventilation
controls, floor conditions, roof and sides security, ground support,
water make, gas make and management, dust controls, frictional
ignition, water jets, operator location.
Outcome 3
Describe cutting and mining methods using a roadheader, and cut material transport
systems in an underground operation.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21824 version 3
Page 3 of 5
Evidence requirements
3.1
The cutting and mining methods are described in terms of the use of a
roadheader.
Range
3.2
may include but is not limited to – development methods (main
headings, panel access, sub-levels, stone drive, tunnels),
extraction methods (panel split and fender, pillar split and lift,
bottom coaling, partial extraction, stumps, goaf, sequence of
operations).
Cut material transport methods are described in terms of the mining method
used in an underground operation.
Range
may include but is not limited to – bridge conveyor, belt and chain
conveyors, shuttle car, diesel haul truck, wash water, conveyors,
flumes, pumps, load haul dump machines.
Outcome 4
Interpret a shift plan, outline the briefing, and plan for the shift.
Evidence requirements
4.1
A shift plan is interpreted in accordance with the work required for the
roadheader.
4.2
The shift briefing notes are outlined in accordance with the shift plan.
Range
4.3
may include but is not limited to – team risk assessments,
hazards, other machinery, ventilation, planned and unplanned
shut-downs, revised survey plans, amended priorities, status of
the machine, working place condition.
Briefing information is interpreted and the work of the roadheader is planned in
accordance with industry best practice.
Range
may include but is not limited to – production or development
targets, cut material quality or size, mine and section plan, survey
sights, operating gradient, cut width and height, cut profile, ground
support, ventilation requirements.
Outcome 5
Operate a roadheader in an underground operation.
Evidence requirements
5.1
Walk-around and pre-start checks are completed in accordance with industry
best practice and company procedures.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
5.2
Working face and place is checked to ensure it has the required services and
conditions for roadheader operation.
Range
5.3
21824 version 3
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services may include but are not limited to – auxiliary ventilation,
compressed air, water supply and pressure, electrical supply,
cables, hoses;
conditions may include but are not limited to – access roadway,
roof and sites, floor conditions, ground support, working face.
Roadheader is used to cut and load in accordance with industry best practice,
manufacturer specifications, and company procedures.
Range
may include but is not limited to – changing grade, breaking away,
cutting face to dimensions and profile, gathering, loading, sumping
in.
5.4
Strata support is installed in accordance with industry best practice and
company procedures.
5.5
Services are advanced in accordance with industry best practice, shift
requirements and company procedures.
Range
5.6
may include but is not limited to – water pipes and hoses,
electrical cables, accessories, compressed air, ventilation ducting,
gas monitoring instruments, dust controls.
Operator and other mine workers are located to ensure that they are not
endangered by the operation of the roadheader and other machinery.
Outcome 6
Park and shut down a roadheader, list defects, and complete documentation.
Evidence requirements
6.1
Roadheader is parked and shut down in accordance with industry best practice
and company procedures.
6.2
Identified defects are reported and managed in accordance with industry best
practice and company procedures.
6.3
Documentation is completed in accordance with industry best practice and
company procedures.
Replacement information
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
This unit standard replaced unit standard 7157.
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
Planned review date
21824 version 3
Page 5 of 5
31 December 2019
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
25 October 2005
Rollover and
Revision
2
16 July 2010
Review
3
18 June 2015
31 December 2017
31 December 2017
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