NZQA registered unit standard
21817 version 3
Page 1 of 4
Title
Describe and operate a hand-held drill borer to drill to blast in an
underground operation
Level
4
Credits
5
Purpose
People credited with this unit standard are able to: describe the
operational characteristics and performance of a hand-held drill
borer; check and describe working place conditions and safety
equipment for operating a hand-held drill borer; mark out and
drill face in accordance with blast design; select drilling
equipment; operate a hand-held drill borer; and remove and
store drilling equipment, record and report 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;
Hazardous Substances and New Organisms Act 1996.
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.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21817 version 3
Page 2 of 4
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.
5
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 hand-held drill borer.
Evidence requirements
1.1
The operational characteristics and performance of a hand-held pneumatic or
electrical drill borer are described in terms of their use in an underground
operation.
Range
may include but is not limited to – drill borer, safety features,
hoses, connectors, drill rods, bits, water, compressed air, cables,
oil bottle, air leg, controls, operating procedures.
Outcome 2
Check and describe working place conditions and safety equipment for a hand-held drill
borer.
Evidence requirements
2.1
Working place conditions are checked and described in terms of effects on the
task in hand.
Range
2.2
Drill borer safety features are checked and described in accordance with
industry best practice and company procedures.
Range
2.3
may include but is not limited to – drill borer, stability, floor levels,
floor surface, ground condition and stability, compressed air
pressure, water supply, gas management, dust, ventilation.
may include but is not limited to – pressure valve, filters, safety
clips, support equipment, air leg controls.
Personal protective equipment for working with a hand-held drill borer is
described in terms of the task in hand and company procedures.
Outcome 3
Mark out and drill face in accordance with blast design.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21817 version 3
Page 3 of 4
Evidence requirements
3.1
The blast design is assessed against the requirements of the ground and site
conditions and blast plan.
3.2
The face to be drilled is marked to meet the requirements of the blast design.
Outcome 4
Select drilling equipment.
Evidence requirements
4.1
Drill bits, rods, drill borer machine, air leg, and other equipment are selected in
accordance with ground conditions and blast plan requirements.
4.2
Pre-start checks are carried out in accordance with industry best practice and
company procedures.
Range
checks include but are not limited to – hoses, air pressure, water
supply, leaks, flushing, connectors, safety clips, control valves,
stored energy.
Outcome 5
Operate a hand-held drill borer in an underground operation.
Evidence requirements
5.1
The drill borer machine is operated in accordance with company procedures
and manufacturer specifications, and the resultant hole is drilled to required
length and diameter.
Outcome 6
Remove and store drilling equipment, record and report defects, and complete
documentation.
Evidence requirements
6.1
Machine is removed and stored in accordance with industry best practice and
company procedures.
6.2
Defects are recorded and reported in accordance with industry best practice
and company procedures.
6.3
Documentation is 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
Replacement information
Planned review date
21817 version 3
Page 4 of 4
This unit standard replaced unit standard 7155.
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