NZQA registered unit standard
8916 version 7
Page 1 of 5
Title
Operate secondary and tertiary crushing plant
Level
4
Credits
15
Purpose
People credited with this unit standard are able to: plan
secondary and tertiary crushing plant operations; set up
secondary and tertiary crushers; carry out pre-start procedures
for secondary and tertiary crushing plant; crush material using a
secondary and tertiary crushing plant; and complete shut-down
procedures and maintenance checks for a secondary and tertiary
crushing plant.
Classification
Extractive Industries > Surface Extraction
Available grade
Achieved
Explanatory notes
1
Performance of the outcomes of this unit standard must comply with the following:
Health and Safety in Employment (HSE) 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
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.
4
This unit standard is intended for, but is not limited to, workplace assessment.
Outcomes and evidence requirements
Outcome 1
Plan secondary and tertiary crushing plant operations.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
8916 version 7
Page 2 of 5
Evidence requirements
1.1
Production requirements for the day are determined in accordance with customer
requirements and company procedures.
Range
1.2
Feed material for primary crusher is determined in accordance with production
requirements and output capabilities of secondary and tertiary crushers.
Range
1.3
may include but is not limited to – sealing chip grade, basecourse,
grade and size, asphalt sand, concrete sand, concrete aggregates,
specifications, quantities.
may include but is not limited to – rock source, fractured, hard,
scalping before primary crusher.
Feed material for secondary crusher is determined in accordance with production
requirements and output material supplied by the primary crusher.
Range
may include but is not limited to – product size, scalping, screen
size, primary crusher setting, feed material size and quality.
Outcome 2
Set up secondary and tertiary crushers.
Evidence requirements
2.1
Secondary crusher is set up in accordance with production requirements,
manufacturer’s recommendations, company procedures, and size of material
supplied by primary crusher.
Range
2.2
Any screens required are set up in accordance with production requirements,
company procedures, and manufacturer’s recommendations.
Range
2.3
includes but is not limited to – crusher type, settings opened,
settings closed, operation speed.
may include but is not limited to – production requirements, feed
material from secondary crusher, open circuit system, closed circuit
system.
Tertiary crusher is set up in accordance with production requirements, company
procedures, and manufacturer’s recommendations.
Range
may include but is not limited to – feed material from secondary
crusher, open circuit system, closed circuit system, operational
speed.
Outcome 3
Carry out pre-start procedures for a secondary and tertiary crushing plant.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
8916 version 7
Page 3 of 5
Evidence requirements
3.1
Personal protective equipment is selected, fitted, and worn in accordance with
manufacturer’s recommendations and company procedures.
Range
may include but is not limited to – overalls, safety boots, hard hat,
earmuffs, safety glasses, gloves.
3.2
Stockpiling areas below belts are cleaned in accordance with company
procedures.
3.3
Secondary and tertiary crusher pre-start checks are carried out in accordance with
manufacturer’s recommendations and company procedures.
Range
may include but is not limited to – grease shaft bearings, visual
checks on wear components, electric motors.
Outcome 4
Crush material using a secondary and tertiary crushing plant.
Evidence requirements
4.1
Operation of secondary and tertiary crushers is monitored in accordance with
manufacturer’s recommendations or instructions, production specifications, and/or
company procedures.
Range
4.2
Quality and sizing of crushed products are monitored in accordance with company
procedures and production specifications.
Range
4.3
may include but is not limited to – sealing chip grade and cleanness,
basecourse size and grading.
Operation of screens is monitored in accordance with manufacturer’s
recommendations or instructions, production specifications, and company
procedures.
Range
4.4
may include but is not limited to – read-out systems, feed rates,
electrical gauges, reset of overloads.
may include but is not limited to – feed quantities, worn spots,
broken wires, loose screen, tension rail nuts and bolts, discharge
chutes clear.
Procedures for safe operation of secondary and tertiary crushers are followed in
accordance with manufacturer’s instructions, company procedures, and
production specifications.
Range
may include but is not limited to – belt picker platform areas, guard
rails, feed rates, removal of foreign and unspecified materials,
emergency procedures, hazards, machinery defects, lighting, quarry
safety plan.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
8916 version 7
Page 4 of 5
Outcome 5
Complete shut-down procedures and maintenance checks for a secondary and tertiary
crushing plant.
Evidence requirements
5.1
Conveyor system is shut down in accordance with plant configuration and
company procedures.
may include – belt picking area.
Range
5.2
Conveyors are cleared of material in accordance with company procedures.
may include – belt picking area.
Range
5.3
Daily or periodic maintenance due at the time of shutdown is carried out in
accordance with plant maintenance schedule and manufacturer’s instructions.
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
26 November 1996
31 December 2017
Revision
2
17 December 1996
31 December 2017
Revision
3
18 December 1998
31 December 2017
Revision
4
17 April 2002
31 December 2017
Review
5
27 January 2005
31 December 2017
Rollover and
Revision
6
16 July 2010
Review
7
18 June 2015
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.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
8916 version 7
Page 5 of 5
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