NZQA registered unit standard
17461 version 4
Page 1 of 4
Title
Perform basic process operations for expanded polystyrene
moulding
Level
1
Credits
5
Purpose
People credited with this unit standard are able to: identify and
take precautions against hazards; describe basic expanded
polystyrene moulding operations; perform basic expanded
polystyrene moulding operations; and demonstrate knowledge
of scrap material regrinding in an expanded polystyrene
moulding operation.
Classification
Plastics Processing Technology > Expanded Polystyrene
Moulding
Available grade
Achieved
Entry information
Recommended skills
and knowledge
Unit 17460, Demonstrate knowledge of expanded polystyrene
materials.
Explanatory notes
1
All work practices must meet enterprise health and safety requirements.
2
Definitions
Enterprise means an organisation where training and/or assessment is taking place,
and/or where the trainee is employed.
Enterprise procedure is defined as actions which comply with the policies, systems,
and directives in a particular enterprise. Enterprise procedure must comply with the
requirements of the Health and Safety in Employment Act 1992, and subsequent
amendments.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
17461 version 4
Page 2 of 4
Outcomes and evidence requirements
Outcome 1
Identify and take precautions against hazards in expanded polystyrene processing
operations.
Evidence requirements
1.1
The dangers of using steam in expanded polystyrene processing operations are
identified, and precautions are taken in accordance with enterprise procedure.
Range
1.2
dangers – burns, explosions.
Hazards related to machinery, tools, services, product, and expanded
polystyrene material are identified, and precautions are taken in accordance
with enterprise procedure.
Range
machinery – pre-expansion equipment, moulding equipment,
ancillary equipment, product handling equipment;
tools – hand tools, power operated tools;
services – electricity, compressed air, vacuum, water.
Outcome 2
Describe basic expanded polystyrene moulding operations.
Evidence requirements
2.1
The principles of moulding expanded polystyrene are described.
Range
2.2
The enterprise expanded polystyrene moulding process cycle is described.
Range
2.3
principles – mould filling, heat application, bead expansion and
fusion.
process cycle may include – filling, steaming, cooling, vacuum
application, opening, ejection, closing.
Enterprise terminology is used to describe product, production process, and
equipment.
Outcome 3
Perform basic expanded polystyrene moulding operations.
Evidence requirements
3.1
Emergency stopping of the expanded polystyrene moulding machine and
ancillary equipment is demonstrated.
Range
Competenz
SSB Code 101571
evidence may be simulated if required.
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
3.2
17461 version 4
Page 3 of 4
Basic post-moulding operations are performed.
Range
basic post moulding operations may include – product removal,
product cutting, product inspection, density grading, product
finishing, product packaging, scrap processing, notification of
process malfunction, labelling.
3.3
Production recording is carried out in accordance with enterprise procedure.
3.4
Work area is cleared and cleaned to ensure safe operating conditions in
accordance with enterprise requirements.
Range
work area may include – floors, stairs, platforms, machine
surfaces, ledges, intake and output areas, hand tools, silo storage
areas, drains.
Outcome 4
Demonstrate knowledge of scrap material regrinding.
Evidence requirements
4.1
Scrap material is identified in accordance with enterprise procedures.
4.2
The purpose and principle of operation of material scrap regrinding equipment
are described.
4.3
Personal safety equipment requirements for use when operating scrap
regrinding equipment are described.
Range
4.4
safety equipment includes – hearing protection, eye protection,
breathing protection.
Hazards associated with the use of scrap regrinding equipment are described.
Range
Planned review date
Competenz
SSB Code 101571
hazards – personal safety, material contamination, equipment
damage.
31 December 2015
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
17461 version 4
Page 4 of 4
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
29 May 2000
31 December 2015
Revision
2
17 March 2004
31 December 2015
Rollover and
Revision
3
25 September 2006
31 December 2015
Review
4
21 January 2011
N/A
Accreditation and Moderation Action Plan (AMAP) reference
0134
This AMAP 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, or
an inter-institutional body with delegated authority for quality assurance, 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.
Consent requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP 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 Competenz info@competenz.org.nz if you wish to suggest changes to the
content of this unit standard.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016