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Title / Demonstrate knowledge of construction and maintenance of electricity structures
Level / 4 / Credits / 15
Purpose / People credited with this unit standard are able to demonstrate knowledge of:formwork for structure footings; concrete material and production; electricity structure stock fence protection systems; and demonstrate basic knowledge of: protective coating materials for electrical structures; equipment for applying protective coatings;abrasive blastingequipment suitable for electrical structures.; and is able to plan work site layout for the maintenance of an electricity structure.
Classification / Electricity Supply > Electricity Supply - Transmission Networks
Available grade / Achieved
Explanatory notes
1This unit standard can be assessed in a training or educational environment.
2Performance and work practices in relation to the outcomes and evidence requirements, must comply with all current legislation, especially the Electricity Act 1992 and any subsequent amendments, and any regulations, codes of practice recognised under that statute; Health and Safety in Employment Act 1992, the Resource Management Act 1991, and their subsequent amendments; electricity supply industry codes of practice and documented enterprise procedures. These include updated versions ofSafety Manual – Electricity Industry (SM-EI) Wellington: Electricity Engineers’ Association.
A full list of current legislation and industry codes is available from:
Infrastructure Industry Training Organisation
PO Box 2759
Wellington 6140.
Outcomes and evidence requirements
Outcome 1
Demonstrateknowledge of formworkfor structure footings.
Evidence requirements
1.1Procedure for the construction and erection of formwork is described to meet industry requirements.
1.2Preparation of formwork is described in accordance with industry requirements, concrete finish, and ease of dismantling and re-use.
1.3A method of calculating concrete quantities for a footing construction is described.
Outcome 2
Demonstrate knowledge of concrete materials and concrete production.
Evidence requirements
2.1The role and types of cement as a component in concrete are described.
Rangemay include but is not limited to –calcium carbonate, silica, aluminium, iron oxide, gypsum
2.2The role and types of aggregate as a component in concrete are described.
Rangemay include but is not limited to –size, shape, grading, strength, absorption, basic chemical properties.
2.3The role of water and additives as components in concrete are described.
Rangemay include but is not limited to –set-retarders, superplasticisers, corrosion inhibitors.
2.4Types of equipment used to mix concrete are described in terms of purpose.
Rangemay include but is not limited to –truck-mixer, small scale production, batch mixing.
2.5Types of concrete mixes are described in terms of purpose.
Rangemay include but is not limited t –normal, special, prescribed.
2.6Demonstrate knowledge of routine methods of testing concrete in accordance with industry practice.
Rangeslump test, compression test.
Outcome 3
Demonstrate knowledge of electricity structure stock fence protection systems.
Evidence requirements
3.1Non-electric fence types and their suitability for protection of electricitystructures from animals and unauthorised entry are described.
3.2Employee hazards and safety equipment requirements while working on stock fence protection systems are described.
Rangemay include but is not limited to –lifting, carrying, dragging, wire handling, tools, weather, gloves, eye protection.
3.3Requirements for access signage and earthing are described.
Outcome 4
Demonstrate basic knowledge of protective coating materials for electrical structures.
Evidence requirements
4.1Protective coatings are described in terms of their types and functions.
Rangetypes may include but is not limited to – primer, buildcoat, topcoat.
4.2Protective coatings are described in terms of their main composition, function and application.
Outcome 5
Demonstrate basic knowledge of equipment for applying protective coatings.
Evidence requirements
5.1Coating application equipment isdescribed in terms of itstypes and functions.
Rangemay include but is not limited to –brushes, rollers, spray guns, nozzle sizes.
5.2Quality assuranceofprotective coating applicationis described.
Rangemay include but is not limited to –dry thickness gauge, wet film thickness gauge, design specifications.
Outcome 6
Demonstrate basic knowledge of abrasive blasting equipment suitable for electricalstructures.
Evidence requirements
6.1Air pressure equipment is described in terms of its types, components, and functions.
6.2Wet blast equipment is described in terms of its types, components, and functions.
Outcome 7
Plan work and site layout for the maintenance of an electricity structure.
Evidence requirements
7.1Work scope is identified in job pack.
7.2Site layout is determined.
Rangemay include but is not limited to –safety plan, equipotential zone, drop zone, earthing plan.
7.3Work equipment is determined, selected, and checked.
7.4Reporting requirements for maintenance of electricity structuresare described according to industry requirements.
Planned review date / 31 December 2020Status information and last date for assessment for superseded versions
Process / Version / Date / Last Date for AssessmentRegistration / 1 / 20 August 2015 / N/A
Consent and Moderation Requirements (CMR) reference / 0120
This CMR can be accessed at
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.
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 Infrastructure ITO (Connexis) if you wish to suggest changes to the content of this unit standard.
Infrastructure ITOSSB Code 101813 / New Zealand Qualifications Authority 2018