11740 version 2
28-Jun-16
1 of 8
AUTOMOTIVE FUEL SYSTEMS AND
EXHAUST
Install and commission domestic LPG
systems and appliances in caravans
and/or boats
level:
4
credit:
6
planned review date:
April 2006
sub-field:
Motor Industry
purpose:
This unit standard is for people in the automotive and marine
repair industry. People credited with this unit standard are
able to: demonstrate knowledge of the use of LPG (liquefied
petroleum gas) in caravans and boats; prepare caravan
and/or boat for LPG installation; install LPG for domestic
purposes in a caravan and/or boat; and commission the
installation.
entry information:
Open.
accreditation option:
Evaluation of documentation and visit by NZQA and industry.
moderation option:
A centrally established and directed national moderation
system has been set up by the NZ Motor Industry Training
Organisation.
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AUTOMOTIVE FUEL SYSTEMS AND
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Install and commission domestic LPG
systems and appliances in caravans
and/or boats
special notes:
1
The following legislation, publications, and their
amendments are required to be consulted and followed
where applicable:
Health and Safety in Employment Act, 1992;
Shipping and Seaman Act, 1952;
Dangerous Goods (Class 2 - Gases) Regulations,
1980;
New Zealand Standard NZS 5428: 1996
Installation and use of LPG for non-propulsive
purposes in caravans and boats;
Safety in Small Craft (Mike Scanlan, 1994, Royal
New Zealand Coastguard Federation).
2
Reference to suitable tools and equipment means
industry approved tools and equipment that are
recognised within the industry as being the most suited
to complete the task to a professional and competent
manner with due regard to safe working practices.
3
This unit standard applies to LPG installation of
domestic systems in caravans and boats other than
those covered by statutory requirements pursuant to
the Maritime Transport Act 1994, and also excludes
matters relating to using LPG as an engine fuel for
propulsion of boats, yachts, and other vessels, or
motor-driven caravans.
 New Zealand Qualifications Authority 2016
11740 version 2
28-Jun-16
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AUTOMOTIVE FUEL SYSTEMS AND
EXHAUST
Install and commission domestic LPG
systems and appliances in caravans
and/or boats
Elements and Performance Criteria
element 1
Demonstrate knowledge of the use of LPG (liquefied petroleum gas) in caravans and
boats.
performance criteria
1.1
Safety practices associated with LPG are described according to legislation and
NZS 5428.
Range:
1.2
Precautions and actions to take in the event of an emergency are identified.
Range:
1.3
leaks, fire.
Characteristics and safety aspects of LPG are identified.
Range:
1.4
reading and observing gas appliance manufacturer’s instructions,
ensuring adequate ventilation before use, changing or replacing
cylinders, action to take when damage occurs to components,
component storage, suitability of components for installation, fitting
components, inspecting and testing the system.
how LPG is stored normally, volume expansion change from a
liquid state to a gas, flammability, density, vapour dangers, odour,
temperature change due to rapid vapourisation.
Use and care of cylinders and cylinder valves are identified.
Range:
maximum size, protection from corrosion, retesting period,
labelling, shut-off valve and safety relief device.
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AUTOMOTIVE FUEL SYSTEMS AND
EXHAUST
Install and commission domestic LPG
systems and appliances in caravans
and/or boats
1.5
Procedures to identify faulty, damaged, or expired cylinders are identified.
Range:
1.6
Location and attachment of cylinders are described.
Range:
1.7
high pressure pipe length, service and reserve cylinder
manifolding, maintaining flexibility between regulator and fixed
pipe work.
Types and use of pipework and fittings are identified.
Range:
1.9
specific locations according to NZS 5428, cylinder fixings,
manifolded cylinders and pipelines, stowage provision, cylinder
lockers or compartments and vents.
Pressure regulator positioning and mounting are identified.
Range:
1.8
examining a cylinder before filling, retesting procedures.
quick release fittings, rigid piping, flexible hoses, copper and
stainless steel fittings.
Installation of pipework and fittings are described according to NZS 5428.
Range:
routing of piping, security, protection, pipe lengths, siting of piping
to an appliance, flexibility to avoid stresses, pipe branches, use of
isolation valves, separating piping from electrical cable and
fittings, pipe supports and fixings.
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11740 version 2
28-Jun-16
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AUTOMOTIVE FUEL SYSTEMS AND
EXHAUST
Install and commission domestic LPG
systems and appliances in caravans
and/or boats
1.10
Appliance installation requirements are identified.
Range:
1.11
Ventilation requirements for the extraction of gas are identified.
Range:
1.12
venting all compartments, ensuring natural ventilation where gasconsuming appliances are sited, using mechanical ventilation.
The use of a portable manually operated gas detector is identified.
Range:
1.13
cooking appliances, refrigerators, space heaters, water heaters,
gas lights, portable appliances, flues;
siting and mounting of appliance, security against vibration,
automatic shut-off, appliances fitted with a continuous burning pilot
light.
testing in each area containing a gas consuming appliance, testing
in lower parts of compartments.
Installation and periodic testing procedures are described according to NZS
5428.
Range:
pipework, pressure test, testing joints with soap and water
solution, ensuring appliances operate according to manufacturer's
specifications.
element 2
Prepare caravan and/or boat for LPG installation.
performance criteria
2.1
Safe working practices are observed throughout the task.
Range:
personal safety, safety of others, equipment and caravan and/or
boat safety.
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AUTOMOTIVE FUEL SYSTEMS AND
EXHAUST
Install and commission domestic LPG
systems and appliances in caravans
and/or boats
2.2
Suitable tools and equipment are selected and used to prepare for the
installation.
2.3
Customer's and/or supervisor's instructions are determined from the job sheet.
2.4
All equipment and appliances for the installation are procured according to
customer's and/or supervisor's instructions, and in accordance with NZS 5428.
2.5
The positioning of appliances is identified for their suitability, and a report is
given to the supervisor.
element 3
Install LPG for domestic purposes in a caravan and/or boat.
performance criteria
3.1
Safe working practices are observed throughout the task.
Range:
personal safety, safety of others, equipment and caravan and/or
boat safety.
3.2
Suitable tools and equipment are selected and used to enable the installation to
be carried out.
3.3
LPG equipment is installed according to NZS 5428 and equipment
manufacturer's instructions.
Range:
cylinder(s), pipework and fittings, pressure regulator and valves,
appliances.
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AUTOMOTIVE FUEL SYSTEMS AND
EXHAUST
Install and commission domestic LPG
systems and appliances in caravans
and/or boats
3.4
Operating instructions are included on permanent caution plates or labels, and
additional notes are included in an instruction sheet in accordance with NZS
5428.
Range:
caution plate or label mounted outside the caravan or boat near
the cylinder installation, caution plate or label and the instruction
sheet mounted inside the caravan or boat near one of the
appliances.
element 4
Commission the installation.
performance criteria
4.1
Safe working practices are observed throughout the task.
Range:
personal safety, safety of others, equipment and caravan or boat
safety.
4.2
Suitable test equipment is selected and used to enable the installation to be
tested and commissioned.
4.3
The installation is examined and tested according to legal requirements.
Range:
4.4
low pressure stage, high pressure stage and regulator joints,
appliances.
Any faults found are reported to the supervisor.
 New Zealand Qualifications Authority 2016
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AUTOMOTIVE FUEL SYSTEMS AND
EXHAUST
Install and commission domestic LPG
systems and appliances in caravans
and/or boats
Comments to:
NZ Motor Industry Training Organisation
Unit Standard Revision
PO Box 160
WELLINGTON
by April 2006.
Please Note:
Providers must be accredited by the Qualifications Authority
before they can offer programmes of education and training
assessed against unit standards.
Accredited providers assessing against unit standards must
engage with the moderation system that applies to those unit
standards. [Please refer to relevant Plan ref: 0014]
 New Zealand Qualifications Authority 2016