10987 version 5
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Perform butt fusion jointing on polyethylene pipe for a distribution
network
Level
4
Credits
8
Purpose
This unit standard is for people working in the infrastructure pipelaying
industries.
People credited with this unit standard are able to: locate and identify
procedures, documentation, and equipment for polyethylene pipe butt fusion;
prepare for and perform butt fusion jointing; and complete reporting and
documentation.
Subfield
Plastics Processing Technology
Domain
Plastics Fabrication
Status
Registered
Status date
20 November 2009
Date version published
20 November 2009
Planned review date
31 December 2014
Entry information
Recommended: Unit 25610, Demonstrate knowledge of
equipment and operations for jointing polyethylene pipe,
or demonstrate equivalent knowledge and skills.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
NZ Motor Industry Training Organisation (Incorporated)
(MITO)
Accreditation and Moderation Action Plan (AMAP) reference
0114
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
This unit standard is intended for people welding plastic piping to transport either gas
or water as described in AS/NZS 4130:2009.
2
The unit standard is intended for, but is not limited to, workplace assessment.
Results for destructive testing required in this unit standard may come from welds
completed in a training environment.
 New Zealand Qualifications Authority 2016
10987 version 5
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3
The current version of the following documents must be complied with:
Health and Safety in Employment Act 1992;
Resource Management Act 1991;
AS/NZS 4130: 2009 Polyethylene pipes for pressure applications
Available at http://www.standards.co.nz;
POP003: Butt fusion jointing of polyethylene pipes and fittings – Recommended
parameters;
POP005: Packaging, Handling and Storage of Polyethylene Pipes and Fittings (Issue
5.0); both available at http://www.pipa.com.au;
Manufacturers instructions.
4
Definition
Company procedures means the documented methods for performing work activities
and include health and safety, environmental, and quality management requirements.
They may refer to manuals, codes of practice, or policy statements.
Elements and performance criteria
Element 1
Locate and identify procedures, documentation, and equipment for polyethylene pipe butt
fusion.
Performance criteria
1.1
Company procedures for polyethylene pipe butt fusion are read and interpreted
in relation to specified job requirements.
Range
1.2
may include but is not limited to – manufacturer’s instructions,
operating manuals.
Job instructions are confirmed in accordance with company procedures.
Range
instructions include – site location, utility plans and/or mark-outs,
consents, easements.
1.3
Potential environmental and safety hazards are identified in accordance with
company procedures.
1.4
Polyethylene pipe butt fusion equipment, components, and materials are
identified and described in terms of type and function.
Range
1.5
pipe, cutters, power source, residual current device, clamping
equipment, rollers, electric heating tool, clamps, fittings, facing
tool, temperature indicators.
Equipment is described in terms of potential hazards of incorrect application
and operation, and the steps to avoid them are described in accordance with
company procedures.
 New Zealand Qualifications Authority 2016
10987 version 5
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1.6
Resource requirements are identified and sourced in accordance with company
procedures.
Range
plant, tools, materials, documentation, system components,
personnel, communication equipment.
Element 2
Prepare for butt fusion jointing.
Performance criteria
2.1
Safety and environmental hazards identified in performance criterion 1.3 are
either isolated, removed, or minimised in accordance with company procedures.
Range
2.2
Pipe is prepared and positioned for butt fusion jointing in accordance with
company procedures.
Range
2.3
cut to length, cut square, dry, free of contaminants, cleaning
agent, covered, rollers, pipe movement.
Component parts are prepared for butt fusion jointing in accordance with
company procedures.
Range
2.4
actions may include but are not limited to – signage, barriers,
personal protective equipment, safe access and egress,
temporary traffic control, environmental protection.
leads, clamps, power source, residual current device.
Fusion unit is set up in accordance with manufacturer’s instructions.
Range
fusion time, voltage level, soak time, temperature, drag pressure,
verification of settings.
Element 3
Perform butt fusion jointing.
Performance criteria
3.1
Joints are butt fused in accordance with company procedures and
manufacturer’s instructions.
3.2
Before handling and pressurising joint, the cooling period is identified and
applied in accordance with manufacturer’s instructions.
3.3
A field check is carried out to ensure the integrity of the pipe joint.
Range
check may include but is not limited to – visual assessment, on
site pressure test.
 New Zealand Qualifications Authority 2016
10987 version 5
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3.4
The result of a bend test of a completed butt joint confirms that the weld meets
test requirements.
3.5
The operator identification number is applied to the completed butt joint in
accordance with company procedures.
Element 4
Complete reporting and documentation.
Performance criteria
4.1
Information is communicated to other parties, both internal and external, in
accordance with company procedures.
Range
4.2
may include but is not limited to – special conditions, completion
notice, additional work.
Records and documents are completed and processed in accordance with
company procedures.
Please note
Providers must be 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 accredited by NZQA before they can register
credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
Accreditation 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 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.
 New Zealand Qualifications Authority 2016