NZQA registered unit standard 25884 version 2
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Title Inspect and maintain screens at an extractive site
Level
Purpose
4 Credits 3
People credited with this unit standard are able to, at an extractive site: determine maintenance requirements for screens; describe hazards associated with the maintenance of screens; carry out maintenance on screens; tension screens; and restore screens to operational status at an extractive site and complete documentation relevant to maintenance of screens.
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).
Outcome 1
Determine maintenance requirements for screens at an extractive site.

New Zealand Qualifications Authority 2020 NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542

NZQA registered unit standard 25884 version 2
Page 2 of 4
Evidence requirements
1.1 Maintenance requirements are determined for screens in accordance with manufacturer's instructions or onsite requirements related to the construction of the screen.
Outcome 2
Describe hazards associated with the maintenance of screens at an extractive site.
Range hazards may 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, confined spaces
(multideck screens).
Evidence requirements
2.1 Significant hazards associated with the maintenance of screens 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, emergency stop.
Outcome 3
Carry out maintenance on screens 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 includes but is not limited to – energy source isolation, associated plant before and after screen.
3.2
3.3
The work area is prepared in readiness for maintenance work to be carried out.
Maintenance is carried out on screens in accordance with company procedures.
Range may include but is not limited to – lubrication points, changing screen media, dust covers, spray bars, hot work precautions, housekeeping, use of appropriate tools and equipment.
Outcome 4
Tension screens at an extractive site.

New Zealand Qualifications Authority 2020 NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542

NZQA registered unit standard 25884 version 2
Page 3 of 4
Evidence requirements
4.1 Screen media are tensioned safely in accordance with industry best practice and company procedures.
Range may include but is not limited to – size of product, condition of product, wet or dry conditions, wear and tear, housekeeping, guarding.
4.2 The screen is given a test run to ensure the tension is correct in accordance with company procedures.
Outcome 5
Restore screens to operational status at an extractive site and complete documentation relevant to maintenance of screens.
Evidence requirements
5.1 Isolation and lock-out devices are removed and screens are restored to operational status in accordance with industry best practice and company procedures.
5.2 Documentation of maintenance of screens is completed in accordance with industry best practice and company procedures.
Replacement information This unit standard, unit standard 25881, unit standard
25882, and unit standard 25883, replaced unit standard
8908.
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 21 August 2009 31 December 2017
Review 2 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.

New Zealand Qualifications Authority 2020 NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542

NZQA registered unit standard 25884 version 2
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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 2020