NZQA expiringunit standard / 24713 version 2
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Title / Demonstrate knowledge of gas hazards, signs, symbols, and terminology for the gas retail industry
Level / 2 / Credits / 5
Purpose / People credited with this unit standard are able to: demonstrate knowledge of the hazards of live reticulated gas; identify and describe the three elements of the fire triangle for the gas industry; and identify symbols, signs, and terminology for the gas retail industry.
Classification / Gas Industry > GasMarketing, Business and Administration
Available grade / Achieved

Explanatory notes

1The following documents must be complied with:

Gas Act 1992;

Health and Safety in Employment Act 1992;

Resource Management Act 1991;

Gas Regulations 1993;

Code of Practice for Gas Retailers Version 8 – April 2004.

2Definitions

Company procedures refer to 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.

Live gas refers to ‘Live gas operations work where gas maybe present in or maybe released into the atmosphere or air may enter a network’, NZS5258: 2003 Gas distribution networks, available at

Reticulated gas refers to either natural gas or Liquefied Petroleum Gas (LPG).

Outcomes and evidence requirements

Outcome 1

Identify and describe the hazards of live reticulated gas.

Evidence requirements

1.1The hazards are identified and described in terms of the main properties of reticulated gas.

Rangehazards – visibility, flammability, asphyxiation, specific gravity, odour.

1.2The hazards are identified and described in terms of working where live gas is present.

Rangeevidence is required for three hazards.

Outcome 2

Identify and describe the three elements of the fire triangle as they relate to the gas industry consumer.

Evidence requirements

2.1The three elements are identified and described in relation to an occurrence of a fire or explosion in relation to a consumer related enquiry.

2.2Sources of ignition of reticulated gas are identified and described in relation to consumer related enquiries.

2.3Advice that would be given to a consumer is described in relation to an enquiry about an escape of gas.

Outcome 3

Identify symbols, signs, and terminology for the gas retail industry.

Evidence requirements

3.1Gas industry signs, colours, and symbols used to warn people of potential hazards are identified in accordance with their application and company procedures.

3.2Signs and symbols used for identifying equipment, gas type, and reticulation systems are identified in accordance with company procedures.

3.3Industry specific terminology is identified and described in accordance with company procedures.

Replacement information / This unit standard and unit standard 24718were replaced by unit standard 30386.

This unit standard is expiring. Assessment against the unit standard must take place by the last date for assessments set out below.

Status information and last date for assessment for superseded versions

Process / Version / Date / Last Date for Assessment
Registration / 1 / 22 May 2009 / 31 December 2020
Review / 2 / 17 August 2017 / 31 December 2020
Consent and Moderation Requirements (CMR) reference / 0014

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.

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SSB Code 101542 / New Zealand Qualifications Authority 2018