NZQA registered unit standard
28795 version 1
Page 1 of 3
Title
Inspect and maintain crushers at an extractive site
Level
4
Credits
8
Purpose
People credited with this unit standard are able to, at an
extractive site: determine maintenance requirements for
crushers; describe hazards associated with the maintenance of
crushers; carry out maintenance on crushers; restore crushers
to operational status at an extractives site; and complete
documentation relevant to the maintenance of crushers.
Classification
Extractive Industries > Extractive Industries Management
Available grade
Achieved
Explanatory notes
1
Performance of the outcomes of this unit standard must comply with the following:
Health and Safety in Employment Act 1992;
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;
Guidelines for Management of Hazards Associated with Crushing and Screening Plant,
available at http://www.minex.org.nz.
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.
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).
Outcomes and evidence requirements
Outcome 1
Determine maintenance requirements for crushers at an extractive site.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28795 version 1
Page 2 of 3
Evidence requirements
1.1
Maintenance requirements are determined in accordance with manufacturer's
instructions or onsite requirements related to the construction and installation of
the crushers at an extractive site.
Outcome 2
Describe hazards associated with the maintenance of crushers at an extractive site.
Range
must include but are not limited to – nip/pinch points, stored energy, fire, moving
parts, falling objects, working at heights, poor housekeeping, unplanned
movement, inappropriate use of equipment.
Evidence requirements
2.1
Significant hazards associated with the maintenance of crushers are described.
2.2
Methods of controlling hazards are described in accordance with industry best
practice and company procedures.
Range
includes but is not limited to – isolation and lock-out procedures.
Outcome 3
Carry out maintenance on crushers at an extractive site.
Evidence requirements
3.1
Isolation and lock-out procedures are carried out in accordance with industry best
practice and company procedures.
Range
energy source isolation, roll back prevention, emergency stop.
3.2
The work area is prepared in readiness for maintenance work to be carried out.
3.3
Maintenance is carried out on crushers in accordance with identified
requirements, manufacturer's instructions, industry best practice, and company
procedures.
Range
may include but is not limited to – lubrication points, changing
screen media, skirting, belt joining, housekeeping, use of
appropriate tools and equipment.
Outcome 4
Restore crushers to operational status at an extractive site and complete documentation
relevant to the maintenance of crushers.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28795 version 1
Page 3 of 3
Evidence requirements
4.1
Isolation and lock-out devices are removed and crushers are restored to
operational status in accordance with industry best practice and company
procedures.
4.2
Documentation for maintenance of crushers is completed in accordance with
industry best practice and company procedures.
Planned review date
31 December 2019
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
18 June 2015
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