This unit of competency applies to those involved in recreational vehicle manufacturing. It may be applied in different workplaces, sectors and circumstances and applies only where relevant state/territory licensing requirements permit the installation of LP gas systems in a recreational vehicle. Licensing arrangements required by state/territory and national authorities may vary.

This unit requires the determination of requirements, the installation and commissioning of LP gas systems with an operating pressure not exceeding 2.75 kPa in a recreational vehicle.

ELEMENT

PERFORMANCE CRITERIA

1. Determine LP gas system requirements

1.1. Use appropriate personal protective equipment and read and interpret any safety information relevant to the job

1.2. Obtain and interpret plans/specifications

1.3. Identify and adhere to quality assurance requirements for enterprise operations

1.4. Determine gas load/design requirements from design drawing or specifications

1.5. Calculate storage capacity using recognised formulae or tables to ensure adequacy for the required load and compliance with standards and job requirements

1.6. Identify appropriate regulator and piping in terms of size, connection sizes and capacity in accordance with standards and enterprise requirements

1.7. Check that piping selected provides minimum inlet pressure to each appliance and is appropriate for the dimensions and loads given in the design drawings or instructions

1.8. Identify location of cylinders, appliances and piping set-out according to job requirements, standards and enterprise requirements

1.9. Estimate quantity of piping, components and fittings in accordance with standards and enterprise requirements

1.10. Check that type of system selected (one or two cylinders) is appropriate for given design information

2. Prepare for installation

2.1. Estimate required materials, equipment, appliances and cylinders from design drawing or on-site dimensions, and check for compliance with docket/order form and confirm acceptable condition

2.2. Identify and select appropriate tools and equipment for the installation

2.3. Use appropriate personal protective equipment, and read and interpret any safety information relevant to the job

2.4. Set out the piping system in accordance with design drawing or instructions, standards and enterprise requirements

3. Install the system

3.1. Install cylinders, regulators, associated pipework, appliances and fixings, including ventilation, in accordance with job requirements, standards and enterprise procedures

3.2. Locate and fit consumer instruction plates and labels in accordance with regulatory requirements, standards and enterprise requirements

4. Test the system

4.1. Adjust regulator to provide flow pressure in accordance with standards and enterprise requirements

4.2. Select test apparatus appropriate for the work

4.3. Test the system, including ventilation, in accordance with standards and enterprise requirements

4.4. Adjust the system to provide the required flow pressure in accordance with standards and enterprise requirements

4.5. Record test data in the format required by relevant regulatory and enterprise requirements

5. Finalise the job

5.1. Assess job against the requirements of the job specification

5.2. Conduct a final inspection in accordance with enterprise quality standards and requirements

5.3. Complete any paperwork required in accordance with enterprise requirements

5.4. Complete required clean-up procedures

Required skills

Required skills include:

reading and interpreting instructions and specifications

using and selecting tools and equipment

using and caring of tools and equipment, including portable and fixed power tools

planning and organising work activities

maintaining work area

Required knowledge

Required knowledge includes:

components and products manufactured by the enterprise

general duty of care requirements

properties of gas, gas and electrical safety, combustion principles, pressure and flow rates, and types of systems

relevant statutory and authority requirements related to the installation and testing of gas systems

the International System of Units (SI) and calculation of storage capacity

installation procedures and processes

sources of information, including the appropriate standards

the materials requirements determination process

procedures for installing and commissioning gas systems in recreational vehicles

occupational health and safety (OHS) requirements, including staff responsibilities, when working with gas, emergency procedures in case of an LP gas leak, LP gas material safety data sheets (MSDS), safety when working with fumes, and the selection and use of personal protective equipment

signage for hazardous materials and chemicals

working drawings of components manufactured by the enterprise

The Evidence Guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.

Critical aspects of assessment

Evidence of the following is critical:

installing an LP gas container, piping and two (2) appliances (stove and refrigerator) in a recreational vehicle

completing work to specifications, plans and drawings

complying with regulations, standards and enterprise quality procedures and processes

complying with all safety and OHS requirements, including use of personal protective equipment

effectively communicating with others in the team.

Context of assessment and resource implications

Assessment must ensure:

demonstration of the installation of a gas container, piping and a minimum of two (2) appliances for a recreational vehicle

demonstration of skills within a suitable workshop with appropriate tools, equipment and materials, and access to appropriate standards.

Guidance information for assessment

Assessment processes and techniques must be culturally appropriate and appropriate to the language and literacy capacity of the candidate and the work being performed.

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Recreational vehicles

Recreational vehicles may include:

caravan

pop-top caravan

camper trailer

tent trailer

5th wheeler

slide-on camper

campervan

Manufacturing enterprise

The manufacturing enterprise may include:

sole proprietor

subcontractor

subcontracting manufacturer

employer/manufacturer

The LP gas system

The LP gas system includes:

cylinder (one or two)

regulator

piping

appliances and fixings

air supply

ventilation

Quality assurance

Quality assurance requirements include:

International Standards Organisation (ISO)

internal enterprise quality assurance policy and risk management strategy

Environment Protection Authority (EPA)

AS 5601:2004 Gas installations

AS/NZ 1596:2008 The storage and handling of LP gas

site safety plans

enterprise operations and procedures

relevant industry codes of practice, such as those issued by the Recreational Vehicle Manufacturer's Association of Australia (RVMAA)

Tools and equipment

Tools and equipment may include:

hacksaws

power cutting/grinding tools

measuring equipment

wrenches and spanners

files

flaring tools

silver brazing equipment

testing equipment

lifting/load shifting equipment, including trolleys, rollers, forklifts, blocks, hoists and jacks

Materials

Materials must comply with job specifications and appropriate standards for installation of LP gas systems and include:

gas operated appliances

gas regulators

gas cylinders

copper tubing

stainless steel

non-metallic hose assemblies

fitting/fixing materials

Occupational health and safety (OHS) requirements

OHS requirements are to be in accordance with state/territory legislation and regulations and include:

safe workshop environment/worksite work practices

safe use of tools and equipment

safe handling of materials

hazard control and hazardous materials and substances

use of personal protective equipment

Personal protective equipment

Personal protective equipment may include:

overalls

boots

hard hat/cap

safety glasses/goggles

gloves

ear plugs/muffs

face masks/respirators

Clean-up procedures

Clean-up procedures may include:

cleaning working surfaces and areas

cleaning and storing all tools and equipment

disposing of waste materials correctly

Sources of information

Sources of information may include:

job instructions, signage, plans, specifications, drawings, MSDS and diagrams

safe work procedures relating to the installation of LP gas systems for a recreational vehicle

regulatory/legislative requirements, pertaining to plumbing and gas fitting regulations, building codes, OHS and environmental requirements

enterprise specifications and instructions

recognised formulae or tables accepted by the regulatory authority

instructions issued by authorised enterprise personnel

relevant standards, such as:

AS 5601:2004 Gas installations

AS/NZ 1596:2008 The storage and handling of LP gas

Unit sector

This unit contains employability skills.