24681 version 1
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Demonstrate knowledge of, and carry out, implosive jointing of
electricity network overhead conductors
Level
4
Credits
2
Purpose
People credited with this unit standard are able to: demonstrate knowledge of
regulatory and licensing requirements associated with explosives;
demonstrate knowledge of explosives used in implosive jointing; describe
emergency, misfire, and communication procedures for firing shots for
implosive jointing; interpret the scope of work for implosive jointing electricity
network overhead conductors; prepare and implosively joint electricity
network overhead conductors; and complete reporting for implosive jointing
work on electricity network overhead conductors.
Subfield
Electricity Supply
Domain
Electricity Supply - Transmission Networks
Status
Registered
Status date
19 May 2008
Date version published
19 May 2008
Planned review date
31 December 2013
Entry information
Prerequisite: Unit 10512, Joint electricity network
overhead conductors, or demonstrate equivalent
knowledge and skills.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
Electricity Supply Industry Training Organisation
Accreditation and Moderation Action Plan (AMAP) reference
0120
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
 New Zealand Qualifications Authority 2016
24681 version 1
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Special notes
1
Performance and work practices in relation to the elements and performance criteria
must comply with all current legislation, especially: the Electricity Act 1992, and any
regulations, codes of practice recognised under that statute; the Hazardous
Substances and New Organisms (HSNO) Act 1996; and HSNO Regulations 2001;
and their amendments; the Health and Safety in Employment (HSE) Act 1992; HSE
Regulations 1995, Occupational Safety and Health guidelines; Approved Code of
Practice for Powder-Actuated, Hand-Held Fastening Tools 1995; NZS 4403:1976
Code of Practice for the Storage, Handling, and Use of Explosives; Local authority
plans and bylaws for the storing of explosives; Explosives Regulations and
Amendments 2003 Environmental Risk Management Authority (ERMA); and the
Resource Management Act 1991, and their subsequent amendments. Electricity
supply industry codes of practice and documented industry procedures include the
Safety Manual-Electricity Industry (SM-EI) (2004) Wellington: Electricity Engineers’
Association. A full list of current legislation and industry codes is available from the
Electricity Supply Industry Training Organisation PO Box 1245, Hamilton.
2
The Environmental Risk Management Authority (ERMA) will be responsible for
assessing and approving hazardous substances and, where appropriate, setting
controls on the way the substance is used. Any questions relating to the transitional
provisions for hazardous substances should be directed to ERMA New Zealand, PO
Box 131, Wellington 6140, http://www.ermanz.govt.nz, telephone 04 916 2426.
3
This unit standard is intended for, but not restricted to, workplace assessment.
4
Safety of personnel and plant must be a priority throughout the assessment. If the
safety requirements are not met the assessment must stop.
5
Industry requirements include all asset owner requirements; manufacturers’
specifications; and enterprise requirements which cover the documented workplace
policies, procedures, specifications, business and quality management requirements
relevant to the workplace in which assessment is carried out.
Elements and performance criteria
Element 1
Demonstrate knowledge of regulatory and licensing requirements associated with
explosives.
Performance criteria
1.1
Certification requirements for the transport of explosives are described in
accordance with current legislative and licensing requirements.
Range
HSNO Regulations 2001, air, land, emergency procedures.
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24681 version 1
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1.2
The procedures for assembly of explosive components are outlined in
accordance with relevant regulations.
Range
1.3
HSNO Regulations 2001, site requirements, dismantling primed
charges, explosive components.
The storage requirements for explosives are described in terms of certification.
Range
HSNO Regulations 2001, site requirements, magazine
requirements, quantities, labelling, documentation, disposal.
Element 2
Demonstrate knowledge of explosives used in implosive jointing.
Performance criteria
2.1
Properties of explosives are identified.
Range
2.2
Implosive jointing products are described in terms of their appropriate uses.
Range
2.3
MSDS, emergency procedures, land, air, construction.
Explosive products and initiation systems for implosive jointing are described.
Range
2.4
initiation properties, shelf life, appropriate uses, material safety
data sheets (MSDS), technical data sheets.
compatibility, burning speed, MSDS, technical data sheets.
Personal protective equipment is described in terms of its purpose in relation to
explosives for implosive jointing.
Range
safety glasses, hearing protection, overalls, gloves, boots, safety
helmet.
Element 3
Describe emergency, misfire, and communication procedures for firing shots for implosive
jointing.
Performance criteria
3.1
Emergency procedures for implosive jointing are described in accordance with
industry requirements.
Range
may include but are not limited to – warning signage,
communication systems.
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3.2
Procedures for misfires are described in accordance with industry requirements.
Range
3.3
acknowledged, reported, and recorded for isolation, recovery,
disposal.
Communication and recording procedures for all stages of assembly,
placement, firing and misfiring are described in accordance with industry
requirements.
Element 4
Interpret the scope of work for jointing electricity network overhead conductors.
Performance criteria
4.1
Conductor is identified in accordance with industry requirements.
Range
4.2
size, type.
Joint is selected in accordance with industry requirements.
Range
rating, size, type.
Element 5
Prepare, and implosively joint, electricity network overhead conductors.
Performance criteria
5.1
Conductor is cleaned in accordance with industry requirements.
5.2
Conductor strands are separated and prepared in accordance with industry
requirements.
5.3
Implosive joints are completed in accordance with industry requirements.
Range
5.4
Safe practices are demonstrated for reducing exposure to hazards and
minimising the danger from explosives during implosive jointing work in
accordance with industry requirements.
Range
5.5
non tension, tension.
completing area closure for public safety, positioning of personnel
during blasting work, ear protection during blasting, visual and
verbal communication with other workers, communication
procedure used for dispatching charge(s).
Joint is tested and meets industry requirements.
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24681 version 1
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Element 6
Complete reporting for implosive jointing work on electricity network overhead conductors.
Range
includes but is not limited to – test reports and results, service report, material
record.
Performance criteria
6.1
Reported information is complete, concise, and legible in accordance with
industry requirements.
6.2
Information is recorded in the required format and filed within the scheduled
time frame in accordance with industry requirements.
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 Electricity Supply Industry Training Organisation info@esito.org.nz if
you wish to suggest changes to the content of this unit standard.
 New Zealand Qualifications Authority 2016