NZQA registered unit standard
21820 version 3
Page 1 of 5
Title
Describe and operate a hydromonitor in an underground mine
Level
4
Credits
15
Purpose
People credited with this unit standard are able to: describe the
operational characteristics and performance of a hydromonitor;
describe safe workplace procedures associated with operating
the hydromonitor; describe the extraction plan for the shift;
operate hydromonitor; and shut down the hydromonitor, list
defects, and complete documentation, in an underground mine.
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
Definition
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.
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).
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
4
21820 version 3
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This unit standard is intended for, but is not limited to, workplace assessment.
Outcomes and evidence requirements
Outcome 1
Describe the operational characteristics and performance of a hydromonitor.
Evidence requirements
1.1
The operational characteristics and performance of a hydromonitor are
described in terms of its use in an underground mine.
Range
1.2
may include but is not limited to – cutting height, cutting width,
grades, breakaways, safety features, controls, operating
procedures, operator location, cutting techniques, sub-rise, sublevel, monitor water pumping and slurry pumping systems, roof
loading, abutment and stress distribution, no-go zone.
The operational characteristics and performance of a coal clearance system for
a hydromonitor are described in terms of underground use.
Range
may include but is not limited to roadway washing, flume way,
road gradient, debris, contamination, undercutting, access,
blockages, product size and quality.
Outcome 2
Describe safe workplace procedures associated with operating the hydromonitor.
Evidence requirements
2.1
Ventilation requirements are described in terms of cutting coal using a
hydromonitor.
Range
2.2
may include but is not limited to – auxiliary ventilation, ducting,
brattice leads, screens, high-pressure water, slurry flow, bleeder
road, goaf area, gas levels, alarms, interlocks, hydro monitor
operator procedures, dilution systems.
The effect of roof loading, abutment and stress distribution, and strata support is
described in accordance with the monitor operation and company procedures.
Range
may include but is not limited to – telltales, props, mesh, bolting,
roof and rib condition, sprags, pillar crush, stumps.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
2.3
21820 version 3
Page 3 of 5
The layout and capabilities of ancillary services are described in accordance
with the site plan.
Range
may include but is not limited to – compressed air, high-pressure
and make-up water, auxiliary ventilation, electrical cables, survey
sights, hydro monitor and slurry pumping system.
Outcome 3
Describe the extraction plan for the shift.
Evidence requirements
3.1
The extraction plan is described for a specific shift.
Range
3.2
may include but is not limited to – working in sub-rise and sublevel, open and closed lifts, cutting rate, contamination, lift
dimensions, breakaways, goaf control, operator location, gas
alarm triggers and actions.
Maximum recovery is described in relation to the specified shift plan.
Range
may include but is not limited to – productivity, customer focus,
team working, product quality, survey sights, roadway gradient,
cutting width, cutting height, size of lift.
Outcome 4
Operate hydromonitor in an underground mine.
Evidence requirements
4.1
Hydromonitor pre-shift and pre-start checks are completed in accordance with
industry best practice.
Range
checks include but are not limited to – pipe and hose joints, hydro
monitor secured and stable, shaper, nozzle, lateral and vertical
operation, lighting, controls, housekeeping, safety systems,
emergency stop, communication, ventilation, location of operator
station.
4.2
Working place is checked to ensure it is ready to cut in accordance with industry
best practice and company procedures.
4.3
The hydromonitor is used to cut and wash in accordance with industry best
practice and company procedures.
4.4
Roof support is monitored and installed when required 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
21820 version 3
Page 4 of 5
Outcome 5
Shut down the hydromonitor, list defects, and complete documentation.
Evidence requirements
5.1
Hydromonitor is shut down in accordance with industry best practice and
company procedures.
5.2
Defects are listed in accordance with industry best practice and company
procedures.
5.3
Documentation is completed in accordance with industry best practice and
company procedures.
Replacement information
Planned review date
This unit standard replaced unit standard 7159.
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
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21820 version 3
Page 5 of 5
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