NZQA Expiring unit standard
Title Dispense CNG (compressed natural gas) fuel
400 version 6
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Level
Purpose
2 Credits 2
This unit standard is for people in service stations who will be required to carry out the dispensing of CNG (compressed natural gas) as part of their forecourt duties.
Classification
Available grade
Motor Industry > Automotive Sales
Achieved
Explanatory notes
The following legislation, regulations, standards, and their amendments are required to be consulted and followed where applicable:
– Dangerous Goods Act, 1974;
– Dangerous Goods (Class 2 Gases) Regulations, 1980;
– NZS 5425 Code of Practice For CNG Compressor and Refuelling Stations;
–
Traffic Regulations, 1976 Amendment No. 7 (90 O);
– Health and Safety in Employment Act, 1992.
Outcome 1
Demonstrate knowledge of CNG as an engine fuel.
Evidence requirements
1.1 The properties of CNG are described.
Range composition, uses, odour, vapour density, combustion range, octane rating, ignition temperature, effects of compressing the gas.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542

New Zealand Qualifications Authority 2020

NZQA Expiring unit standard
Outcome 2
400 version 6
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Demonstrate knowledge of safety relating to CNG dispensing.
Range legislation, regulations, and standards referred to under explanatory notes.
Evidence requirements
2.1 Safety provisions on site and hazardous zones are described.
Range emergency shut-off procedures, warning notices and signs, fire fighting equipment, restricted areas.
2.2 Action in event of a leak is established.
Range at fill point, at cylinder or pipe connections, at station refuelling point, at storage area.
2.3 Action in event of fire is established.
Range leaks burning at source, fire involving vehicles.
2.4 On site first aid and emergency procedures are identified.
Range cold contact burns, heat burns, eye contamination, gassing.
Outcome 3
Locate CNG equipment.
Evidence requirements
3.1 The location of the CNG equipment on a vehicle is identified.
Range passenger car, light commercial vehicle, truck; cylinder/s, cylinder valve, fill points, master shut-off valve, pressure gauge, pressure regulator, change over switch.
3.2 The location of the CNG station equipment on the site is identified.
Range pressure relief valves, pressure gauges, bulk storage cylinders, shut-off valves, compressor, dispenser and refuelling equipment.
Outcome 4
Refuel a vehicle with CNG.
Evidence requirements
4.1 The certification of the vehicle to be refuelled is verified.
Range current inspection certificate, CNG labels.

New Zealand Qualifications Authority 2020 NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542

NZQA Expiring unit standard
4.2
400 version 6
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The refuelling is carried out in accordance with NZS 5425 Code of Practice for
CNG Compressor and Refuelling Stations.
Outcome 5
Carry out on-site operational checks on refuelling equipment.
Evidence requirements
Dispenser hoses are inspected, and any damage is reported to the supervisor. 5.1
5.2 Filling probes are inspected prior to fill, and any damage to the "o" rings is reported immediately to the supervisor.
5.3 The dispenser is checked for operation and security, and any faults found are reported to the supervisor.
5.4 Daily maintenance check on refuelling equipment is completed according to site requirements.
This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below.
Status information and last date for assessment for superseded versions
Process Version Date Last Date for Assessment
Registration
Review
Review
1
2
3
1 October 1993
4 October 1996
30 August 1999
31 December 2016
31 December 2016
31 December 2016
Revision 4 13 March 2001 31 December 2016
Review 5 25 June 2007 31 December 2016
Rollover 6 19 November 2010 31 December 2016
Accreditation and Moderation Action Plan (AMAP) reference 0014
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.

New Zealand Qualifications Authority 2020 NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542

NZQA Expiring unit standard 400 version 6
Page 4 of 4
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.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542

New Zealand Qualifications Authority 2020