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AS/NZS 5601.2:2020


Gas installations, Part 2: LP Gas installations in caravans and boats for non-propulsive purposes

Specifies requirements and means of conformance for the design, installation and commissioning of LP Gas installations in caravans and boats for non-propulsive purposes.
Published: 01/10/2020
Inclusive of GST
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Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope and general
1.1 Scope, exclusions and application
1.1.1 Scope
1.1.2 Exclusions
1.1.3 Application Conformance Application in Australia Application in New Zealand Interpretation
1.2 Normative references
1.3 Terms and definitions
1.4 Work health and safety
1.5 System of units
2 Essential safety and performance-based design requirements
2.1 General
2.2 General work
2.2.1 Verification of gas supply
2.2.2 Work on a gas installation
2.2.3 Sealing of open ends
2.2.4 Testing of gas installations for leakage
2.2.5 Acceptable substances for testing
2.2.6 Safe practices and WHS
2.2.7 Decommissioning
2.3 LP Gas cylinders
2.3.1 Cylinders and cylinder valves
2.3.2 Corrosion
2.3.3 Cylinder orientation
2.3.4 Multi-cylinder installations
2.4 Location of LP Gas cylinders
2.4.1 Restriction on location of cylinders
2.4.2 Required clearances around a cylinder
2.4.3 Mounting and stowage
2.4.4 Cylinder restraint
2.4.5 Use of [in situ fill] cylinders
2.5 Cylinder compartments and LP Gas lockers
2.5.1 Design and construction
2.5.2 Identification of cylinder compartment or LP Gas locker
2.6 Materials and fittings
2.6.1 Material and components
2.6.2 Proprietary systems
2.6.3 Jointing
2.7 Piping
2.7.1 General
2.7.2 Design
2.7.3 Location
2.7.4 Support of piping
2.7.5 Gas pressure regulation
2.7.6 Over-pressure protection
2.7.7 Pressure test points
2.7.8 Gas venting
2.8 Flues
2.8.1 General
2.8.2 Design
2.8.3 Materials
2.8.4 Installation
2.8.5 Location
2.8.6 Flue terminals
2.9 Installing gas appliances
2.9.1 Pre-installation
2.9.2 General installation requirements
2.9.3 Gas appliance location
2.9.4 Ventilation of the gas appliance space and air supply to gas appliances
2.9.5 Gas appliance connection and isolation
2.9.6 Commissioning
2.9.7 Fire resistant material
2.9.8 Flue materials
2.9.9 Jointing compounds and materials
2.10 Hose assemblies
2.10.1 General
2.10.2 Use of a hose assembly
2.10.3 Hose assembly — Operating conditions
2.10.4 Hose assembly connecting an appliance
2.11 Shut-off valves
2.12 Quick-connect devices
2.12.1 General
2.12.2 Restriction on installation
2.13 Essential safety requirements
2.13.1 Prohibition of earthing through piping
2.13.2 Restriction on use of thread sealant
2.13.3 Requirements for gas appliances New Zealand requirements Australian requirements Prohibition on installation Appliance location
2.13.4 Materials and components Prohibited fittings
3 Means of conformance — Cylinders
3.1 General
3.1.1 Cylinders and cylinder valves
3.1.2 Restriction on cylinder capacity
3.1.3 Corrosion
3.1.4 Cylinder orientation
3.1.5 Use of [in situ fill] cylinders [In situ fill] cylinders on caravans [In situ fill] cylinders on boats General Location of fill point Safety valve discharge
3.1.6 Multi-cylinder installations
3.1.7 Restriction on location of cylinders
3.1.8 Required clearances around a cylinder
3.1.9 Mounting and stowage
3.1.10 Stowage of spare cylinders
3.1.11 Heat shield
3.2 Cylinder attachment
3.2.1 Restraints
3.2.2 Structures
3.3 Cylinder compartments and LP Gas lockers
3.3.1 Caravans
3.3.2 Cylinders located in a combined storage compartment/locker for caravans
3.3.3 Boats
3.3.4 Access to cylinder compartments Access to internal cylinder compartments in caravans Cylinder compartments with internal access in boats Obstructions
3.3.5 Identification of cylinder compartment or LP Gas locker
4 Means of conformance — Gas pressure regulators
4.1 Suitability of pressure regulators
4.2 Outlet pressure
4.3 Mounting and support of regulator
5 Means of conformance — Piping and fittings
5.1 General
5.1.1 Location
5.1.2 Size
5.1.3 Material and components
5.1.4 Piping specification High pressure piping Low pressure Materials for piping systems Prohibited types of piping, joints and fittings
5.1.5 Cylinder connections
5.1.6 Pressure rating of piping and components
5.1.7 Pressure test points
5.2 Installation of piping
5.2.1 General requirements
5.2.2 Piping in caravans
5.2.3 Piping in boats
5.2.4 Rigid piping
5.2.5 Hose assemblies
5.2.6 Prohibition of earthing through piping
5.2.7 Isolation valves Manual isolation valves Automatic shut-off valves Gas appliance connection and isolation
5.2.8 Quick-connect devices
5.2.9 Jointing compounds and materials
5.2.10 Miscellaneous components
5.2.11 Pipe supports and fixings Construction Support spacings
5.2.12 Sealing of open ends Removal of debris Open ends to be sealed while work in progress Outlet provided for future connection to be sealed
5.3 Encapsulated electrical devices
6 Means of conformance — Gas appliances
6.1 Requirements for gas appliances
6.1.1 Australian requirements
6.1.2 New Zealand requirements
6.1.3 Appliance conversion
6.1.4 Appliance location restrictions
6.2 Prohibited appliances
6.3 General installation requirements
6.3.1 General
6.3.2 Restriction for stowed appliances
6.3.3 Gas appliance support
6.3.4 Protection from physical damage
6.3.5 Accessibility
6.3.6 Hazards to caravans, boats or persons
6.3.7 Proximity of flammable goods or chemicals
6.4 Flame safeguard system
6.5 Manufacturer’s instructions
6.6 Clearances
6.7 Distance from sources of fuel
6.8 Restriction on installation of an appliance on a petrol-fuelled boat
6.9 Electrical requirements
6.10 Space heaters
6.11 Cooking appliances
6.11.1 Clearances around gas cooking appliances
6.11.2 Protection of a combustible surface near a gas cooking appliance
6.11.3 Vapour seal
6.11.4 Warning label
6.11.5 Cooking appliances on boats
6.11.6 Under cooker connection
6.12 Refrigerators
6.12.1 Flues
6.12.2 Vents
6.12.3 Location
6.12.4 Ventilation
6.13 Instantaneous water heaters
6.14 Spa pool heaters on boats
6.14.1 Prohibited locations
6.14.2 Supporting base
6.14.3 Control systems
6.14.4 Requirement for pool heater where flow and return water pipes are of plastic
6.14.5 Non-return valve required
6.14.6 Restriction on fitting of a valve in water flow line
6.15 Gas barbecues and radiant gas heaters for outdoor use
7 Means of conformance — Ventilation
7.1 General
7.2 Ventilation systems
7.3 Ventilation openings — Caravans and boats
7.3.1 Minimum free area
7.3.2 Special requirements for camper trailers and boats
7.3.3 Special requirements for RVs (motorized caravans)
7.4 Position of openings — Caravans only
7.4.1 Cross ventilation
7.4.2 Distance from ceiling
7.4.3 Distance from floor
7.5 Position of openings — Boats only
7.6 Gas detection system required — Boats only
7.7 Vent warning label for caravans and boats
8 Means of conformance — Flueing
8.1 Flue construction and clearances
8.2 Protection from environmental effects
8.3 Disturbances
8.4 Location of flue terminal
8.4.1 General
8.4.2 Termination of a flue under a cover
8.5 Flue materials
8.6 Proprietary flueing systems
9 General requirements and safe work practices
9.1 Gas supply
9.2 Gas demand
9.3 Safe work practices
9.3.1 General
9.3.2 Purging Purging prior to work Purging after completion of work
9.4 Dealing with dangerous gas installations
9.5 Safety requirements in the vicinity of gas leaks or suspected gas leaks
9.6 Safe discharge of static electricity
9.7 Electrical safety bonding or bridging
9.8 Clearing a blockage in piping
9.9 Testing of piping
9.9.1 Testing a new gas installation
9.9.2 Testing consumer piping after alteration, repair or extension
9.9.3 Acceptable substances for testing
9.10 Commissioning
9.10.1 Commissioning of appliance
9.10.2 Other commissioning checks
9.10.3 Decommissioning
10 Compliance plate, labels and markings
10.1 Gas compliance plate
10.2 Labels and markings adjacent to cylinders
10.3 Labels and markings near appliance
10.3.1 General
10.3.2 Additional marking for boats
Appendix A
Appendix B
B.1 Introduction
B.2 Specification for materials to provide thermal protection of combustibles
B.3 Acceptable methods of thermal protection of combustible materials adjacent to domestic cooking appliances
B.4 Examples to determine the required thickness of materials for thermal protection of combustible materials
Appendix C
C.1 Introduction
C.1.1 General
C.1.2 Pipe conditions
C.1.3 Fitting allowance
C.1.4 Equations used
C.1.5 Excessive gas velocities
C.2 New piping systems
C.3 Existing piping systems
C.4 Information required
C.5 Design procedure using pipe sizing graphs
C.5.1 Introduction
C.5.2 Sketch the piping layout
C.5.3 Tabulate the pipe runs
C.5.4 Determine the length of the longest pipe run
C.5.5 Determine the allowable pressure drop per metre
C.5.6 Determine the required pipe size from the pipe sizing graphs
C.5.7 Pipe sizing graphs
C.6 Design procedure using pipe sizing tables
C.6.1 General
C.6.2 Sketch the piping layout
C.6.3 Determine the main run
C.6.4 Select the piping material
C.6.5 Tabulate the pipe runs
C.6.6 Selecting the pipe size
C.6.7 Pipe sizing tables
Appendix D
D.1 General
D.2 Gas detection system
D.3 Installation of the system
D.3.1 Solenoid valve
D.3.2 Position of audible alarm
D.3.3 Sensors
D.3.4 Operation of the system when gas is detected
Appendix E
E.1 General
E.1.1 New installations
E.1.2 Additions, repair and alterations to installations
E.2 Pipework test
E.2.1 Method
E.2.2 Test result
E.3 Installation gas tightness test
E.3.1 General
E.3.2 Method 1 — Pressure loss
E.3.2.1 Method
E.3.2.2 Test result
E.3.3 Method 2 — Using bubble leakage detector
E.3.3.1 Method
E.3.3.2 Test result
E.4 Methods of locating gas leaks
Appendix F
Appendix G
Appendix H
H.1 General
H.2 Stoves, cookers and hot plates
H.3 Instantaneous water heaters
H.4 Storage water heaters
Appendix I
Appendix J
Appendix K
Appendix L
L.1 Introduction
L.2 Precautions before purging commences
L.3 Purging a small volume installation with gas to remove air
L.3.1 Pipe length in a small volume installation
L.3.2 Commencing the purge
L.3.3 Purging through an appliance fitted with a flame safeguard device
L.3.3.1 General
L.3.3.2 Electronic flame safeguard device fitted
L.3.3.3 Thermoelectric device fitted
L.3.3.4 Appliances with a flame safeguard system monitoring a pilot system
Amendment control sheet
AS/NZS 5601.2:2020
Amendment No. 1 (2021)
Cited references in this standard
AS 2030 (series)
Gas cylinders
Continuous hot-dip metallic coated steel sheet and strip — Coatings of zinc and zinc alloyed with aluminium and magnesium
Copper tubes for plumbing, gasfitting and drainage applications
Methods for fire tests on building materials, components and structures, Part 1: Combustibility test for materials
Copper and copper alloys — Seamless tubes for engineering purposes
Content history
[Available Superseded]
[Available Superseded]
[Available Superseded]
[Available Superseded]