AS/NZS 5601.1:2022
Gas installations – Part 1: General installations
Standard sets out requirements and means of conformance for the design, installation and commissioning of gas installations that are associated with the use or intended use of fuel gases such as natural gas, LP Gas, or biogas. Keywords: gas installation; gas installation design; gas installation commissioning.
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AS/NZS 5601.1:2022 Gas installations General installations
Preface
Section 1 Scope and general
1.1 Scope, exclusions and application
1.1.1 Scope
1.1.2 Exclusions
1.1.3 Application
1.2 Normative references
1.3 Terms and definitions
1.4 Work health and safety
1.5 System of units
Section 2 Essential safety and performance-based design requirements
2.1 Essential safety requirements
2.1.1 Limitations on installation of an appliance
2.1.2 Push-on connectors limited to connecting laboratory Bunsen burners
2.1.3 Installation in a cupboard
2.1.4 General
2.1.5 Repair of pipe or pipe fittings
2.2 Performance-based design requirements
2.2.1 General work and safety requirements
2.2.2 Materials, fittings and components
2.2.3 Consumer piping
2.2.4 Flues
2.2.5 Installing appliances
Section 3 Means of conformance — General requirements and safe work practices
3.1 Gas supply
3.2 Gas demand
3.3 Safe work practices
3.3.1 General
3.3.2 Isolating gas supply
3.3.3 Purging after completion of work
3.4 Sealing of open pipe ends
3.4.1 Removal of debris
3.4.2 Open ends to be sealed while work is in progress
3.4.3 Outlet provided for future connection to be sealed
3.5 Testing of piping
3.5.1 Testing a new gas installation
3.5.2 Testing consumer piping after alteration, repair or extension
3.6 Acceptable substances for testing
3.7 Hot-tapping of branch fitting to consumer piping
3.8 Increasing the operating pressure of existing consumer piping
3.9 Dealing with dangerous gas installations
3.10 Methods of locating gas leaks
3.11 Safety requirements in the vicinity of gas leaks or suspected gas leaks
3.12 Safe discharge of static electricity
3.13 Electrical safety bonding or bridging
3.14 Clearing a blockage in consumer piping
Section 4 Means of conformance — Materials, fittings and components
4.1 General
4.1.1 Suitability for use
4.1.2 Re-use of materials and components
4.1.3 Mating parts
4.2 Materials for consumer piping
4.3 Consumer piping restrictions
4.4 Prohibited types of joints and fittings
4.5 Proprietary systems
4.5.1 Suitability for intended use
4.5.2 Installation of proprietary systems
4.5.3 Substitution of components
4.5.4 Identification of proprietary piping systems
4.6 Material between LP gas cylinder valve and inlet to first regulator
4.7 Other materials
4.7.1 Gasket material
4.7.2 Jointing compounds and materials
4.7.3 Vent line material
4.7.4 Flue materials and limitations
4.8 Components
4.8.1 Miscellaneous components
4.8.2 Manual shut-off valves
4.8.3 Hose assemblies
4.8.4 Swivel joints and couplings
Section 5 Means of conformance — Installation of consumer piping
5.1 General
5.1.1 Condition of pipe and pipe fittings
5.1.2 Prohibition of earthing through consumer piping
5.1.3 Protection from other materials
5.1.4 Storage and handling of pipe
5.1.5 Condition of pipe during installation
5.1.6 Restriction on repair of defective pipe or pipe fitting
5.1.7 Jointing
5.1.8 Restriction on use of thread sealant
5.1.9 Bending pipe
5.1.10 Re-making a flanged joint
5.1.11 Pipe installation not to reduce building strength or fire resistance
5.1.12 Identification of pipework
5.2 Design of consumer piping
5.2.1 Pressure rating of piping and components
5.2.2 Appliance pressure rating
5.2.3 Requirements where pressurized air, oxygen or a standby gas is to be used in conjunction with the fuel gas
5.2.4 Consumer piping size
5.2.5 Flexibility of piping
5.2.6 Pipe alignment at expansion joint
5.2.7 Occupancy isolation
5.2.8 Building isolation
5.2.9 Isolation for specific installations
5.2.10 Provision of emergency valve (steam boilers and hot water boilers)
5.2.11 Provision of fire emergency isolation for multilayer pipe
5.2.12 Reversion fittings for proprietary multilayer piping
5.3 Location of consumer piping
5.3.1 Prohibited locations
5.3.2 Piping in an air duct, plenum ceiling, air-handling plenum or ventilating duct
5.3.3 Piping not to be subject to physical damage
5.3.4 Separation from above-ground low and extra low voltage electrical equipment
5.3.5 Piping to not support an electrical conductor
5.3.6 Piping to not be exposed to liquid discharge
5.3.7 Above-ground piping to not touch the ground
5.3.8 Piping in a concealed location other than underground or embedded in concrete
5.3.9 Piping passing through a building’s exterior wall
5.3.10 Piping passing through floors and internal walls
5.3.11 Piping in the ground beneath a building
5.3.12 Ventilation of concealed piping
5.3.13 Piping embedded in concrete
5.3.14 Consumer piping in wooden joists or metal-framed walls
5.3.15 Piping in steel-framed buildings
5.3.16 Location of multilayer piping
5.4 Installation of consumer piping buried in the ground
5.4.1 Consumer piping beneath a building
5.4.2 Bedding and support of pipe in the ground
5.4.3 Depth of cover
5.4.4 Quality of bedding and backfill
5.4.5 Consolidation of bedding and backfill material
5.4.6 Marker tape and tracer wire
5.4.7 Termination of plastics or multilayer pipe and metallic continuation
5.4.8 Securing a riser
5.4.9 Separation from underground electrical cable
5.4.10 Separation from underground electrical earthing electrode
5.4.11 Separation from underground communication cable
5.4.12 Separation from underground services
5.4.13 Crossing other underground services
5.5 Corrosion control
5.5.1 Corrosion protection of bare steel
5.5.2 Corrosion protection of above-ground pipework
5.5.3 Joining of electrochemically incompatible materials
5.5.4 Requirement where coated steel pipe emerges from the ground
5.5.5 Requirement where consumer piping is to include cathodic protection
5.6 Water and dust clearing provision in consumer piping
5.6.1 Provision of tailpipe
5.6.2 Design and location of a tailpipe
5.6.3 Marking of tailpipes
5.6.4 Tailpipes that terminate below ground level
5.6.5 Provision for dust clearing
5.7 Consumer piping for a high-rise building
5.7.1 General
5.7.2 Prohibition on flexible hoses
5.7.3 Plan of consumer piping to be displayed on site
5.7.4 Manual shut-off valve in riser and lateral
5.7.5 Support and flexibility of riser
5.7.6 Minimizing strain at a lateral
5.8 Support of consumer piping
5.8.1 Consumer piping support system requirements
5.8.2 Spacing of supporting devices
5.8.3 Diameter of rod hangers
5.9 Use of hose assemblies
5.9.1 Hose assembly requirements
5.9.2 Prohibited location of hose assembly connection point
5.9.3 Location of connection point for hose assembly
5.9.4 Hose assembly — Prohibited installation methods
5.9.5 Hose assembly — Operating conditions
5.9.6 Hose assembly connecting an appliance
5.10 Quick-connect devices
5.10.1 Quick-connect device installed outside above ground
5.10.2 Quick-connect device socket installation method where subjected to water or dust
5.10.3 Quick-connect devices installed outdoors below ground
5.11 Installing gas equipment
5.11.1 Consumer piping gas pressure regulators
5.11.2 Over-pressure
5.11.3 Protection of gas supply system from low pressure where a gas pressure-raising device or a gas engine is installed
5.11.4 Pressure test points
5.11.5 Venting
5.11.6 Sub-meters
5.12 Gas pressure-raising devices
5.12.1 Protection against pulsation
5.12.2 Connection requirements
5.12.3 Required controls
5.12.4 Requirements of downstream pipe and equipment
5.13 Ventilation of gas equipment
5.13.1 General
5.13.2 Natural ventilation to outside
5.13.3 Natural ventilation via adjacent room
5.13.4 Mechanical ventilation
5.13.5 Ventilation of an enclosure containing a meter or regulator and a gas pressure-raising device
5.13.6 Ventilation of an enclosure containing gas equipment and an appliance
5.13.7 Location of openings
Section 6 Means of conformance — Installation of appliances
6.1 Requirements for appliances
6.1.1 New Zealand requirements
6.1.2 Australian requirements
6.1.3 Appliance conversion
6.2 General installation requirements
6.2.1 Determination of adequate gas supply
6.2.2 Manufacturer’s installation instructions
6.2.3 Restriction on flueless appliances
6.2.4 Restriction on appliance location
6.2.5 Temperature limitation on nearby combustible surface
6.2.6 Appliances using pressurized air or oxygen or having a standby gas connected
6.2.7 Automatic control to fail safe
6.2.8 Electrical requirements
6.2.9 Restoration of electricity supply
6.2.10 Appliance support
6.2.11 Earthquake restraint
6.2.12 Gas connections for appliances subject to vibration
6.2.13 Connection of an appliance designed to move on castors, rollers or wheels
6.2.14 Appliance restraint where a hose assembly is used
6.2.15 Push-on connectors limited to connecting laboratory Bunsen burners
6.3 Appliance location
6.3.1 Adverse effect of air movement systems
6.3.2 Protection from physical damage
6.3.3 Accessibility
6.3.4 Hazards to buildings or persons
6.3.5 Proximity of flammable goods or chemicals
6.3.6 Presence of water
6.3.7 Installation above a source of cooking vapour, steam, grease or heat
6.3.8 Installation in a cupboard
6.3.9 Installation in a bedroom
6.3.10 Installation in a residential garage
6.3.11 Appliance in a roof space
6.3.12 Location of appliances in residential premises
6.3.13 Appliance on roof, wall or elevated structure in locations other than single residential premises
6.3.14 Appliance under a floor
6.4 Air supply to appliances
6.4.1 Adequacy of air supply
6.4.2 Quality of air supply
6.4.3 Installation where atmosphere is contaminated
6.4.4 Specific appliance ventilation requirements
6.4.5 Air requirements for appliances
6.4.6 Air requirements for appliances — New appliance installations — Australia only
6.4.7 Special requirements for flueless space heaters
6.4.8 Appliance in a residential garage
6.4.9 Mechanical ventilation
6.4.10 Interlock for air supply to appliances
6.4.11 Air heating appliance in a confined space
6.4.12 Combustion and dilution air for an open flued appliances
6.5 Gas shut-off when automatic fire equipment operates
6.5.1 Interlock of automatic fire-extinguishing equipment with gas supply
6.5.2 Interlock of automatic fire damper and gas supply
6.5.3 Gas shut-off controls interfaced with fire alarm systems
6.6 Appliance connection
6.6.1 Restriction on appliance connection
6.6.2 Pipe connection
6.6.3 Means of isolation
6.6.4 Means of disconnection
6.6.5 Fitting of an appliance gas pressure regulator
6.7 Flue design
6.7.1 Provision of a flue
6.7.2 Effect on building strength or fire resistance
6.7.3 Material
6.7.4 Design requirements
6.7.5 Flue gases not to cause a nuisance
6.7.6 Common or combined flues
6.7.7 Draught diverters
6.7.8 Power flues
6.7.9 Flue cowls
6.7.10 Condensate drains
6.7.11 Use of existing flue or chimney
6.8 Flue installation
6.8.1 Provision for removal of appliance
6.8.2 Support independent of appliance
6.8.3 Soft-soldered flue joints
6.8.4 Flue joints
6.8.5 Weatherproofing through a roof or wall
6.8.6 Chimneys
6.8.7 Clearance around a draught diverter
6.8.8 Prohibited locations for flues
6.8.9 Concealed metal flues
6.8.10 Application of twin wall flues
6.8.11 Clearance between a single wall flue and a combustible surface
6.8.12 Protection of combustible surfaces
6.8.13 Protection of adjacent non-combustible materials from heat of flue
6.8.14 Clearance from wiring and other services
6.9 Flue terminals
6.9.1 Terminating an open flue — Location
6.9.2 Terminating a flue above a roof
6.9.3 Location of flue terminals around the perimeter of a building or structure
6.9.4 Flue terminal under a covered area, in a recess or on a balcony
6.9.5 Terminating a flue in a roof space
6.9.6 Clearances of flue terminals around a GMS (New Zealand only)
6.10 Additional requirements for installation of specific appliances
6.10.1 Domestic gas cooking appliances
6.10.2 Commercial catering equipment
6.10.3 Instantaneous water heaters
6.10.4 Storage water heaters
6.10.5 Pool heaters (including those for swimming, spa and therapeutic pools)
6.10.6 Space heaters
6.10.7 Overhead radiant heaters
6.10.8 Patio heaters
6.10.9 Decorative flame effect fires, other than flame effect gas space heaters
6.10.10 Ducted air heaters
6.10.11 Air curtains
6.10.12 Direct fired air heaters
6.10.13 Overhead radiant tube heaters
6.10.14 Laundry dryers
6.10.15 Gas lights
6.10.16 Incinerators
6.10.17 Pottery kiln
6.10.18 Refrigerator
6.10.19 Gas barbecues and radiant gas heaters for outdoor use
6.11 Commissioning
6.11.1 General
6.11.2 Australian requirements
6.11.3 New Zealand requirements
6.11.4 Commissioning of appliances
Appendix A (informative)
Appendix B (informative) Conversion factors
Appendix C (normative) Thermal protection of combustible materials
Appendix D (informative) Purging
Appendix E (normative) Testing for gastightness
Appendix F (normative) Sizing consumer piping
Appendix G (normative) Determination of maximum breather vent orifice size for devices not vented to outside atmosphere
Appendix H (normative) Flue design
Appendix I (informative) Appliances in outdoor areas
Appendix J (Informative) LP Gas cylinder locations
Appendix K (informative) Gas in high-rise buildings
Appendix L (informative) Consumer billing meter installations
Appendix M (informative) Special requirements in Australian jurisdictions
Appendix N (informative) Guidelines for commissioning of appliances
Appendix O (informative) Symbols used in gas control system diagrams
Appendix P (informative) Gas installation checklist
Appendix Q (normative) Spillage test for open flued appliances
Bibliography
Index
Amendment control sheet
Amendments
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References
Welding and brazing - Filler metals - Filler metal for brazing and braze welding
PVC-U pipes and fittings for drain, waste and vent applications
PVC pipes and fittings for pressure applications
External extruded high-density-polyethylene coating system for pipes
Methods for fire tests on building materials, components and structures - Simultaneous determination of ignitability, flame propagation, heat release and smoke release
The storage and handling of LP Gas
Hose and hose assemblies for liquefied petroleum gases (LP Gas), natural gas and town gas
Cross-linked polyethylene (PE-X) pipes for pressure applications
Mechanical jointing fittings for use with crosslinked polyethylene (PE-X) for pressure applications - Part 5: Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels - Metric series - Specifications
Domestic solid fuel burning appliances - Installation
Plumbing and drainage, Part 4: Heated water services
Fittings for polyethylene (PE) pipes for pressure applications
Polyethylene (PE) pipes for pressure applications
Gas distribution networks - Part 3: Plastics pipe systems
Gas appliances - Part 1.1: Domestic gas cooking appliances
Specification for copper tubes for water, gas, and sanitation
Specification for seismic resistance of engineering systems in buildings
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Gas distribution networks - Part 3: Plastics pipe systems
AS/NZS 5601.1:2022 Gas installations General installations
Preface
Section 1 Scope and general
1.1 Scope, exclusions and application
1.1.1 Scope
1.1.2 Exclusions
1.1.3 Application
1.2 Normative references
1.3 Terms and definitions
1.4 Work health and safety
1.5 System of units
Section 2 Essential safety and performance-based design requirements
2.1 Essential safety requirements
2.1.1 Limitations on installation of an appliance
2.1.2 Push-on connectors limited to connecting laboratory Bunsen burners
2.1.3 Installation in a cupboard
2.1.4 General
2.1.5 Repair of pipe or pipe fittings
2.2 Performance-based design requirements
2.2.1 General work and safety requirements
2.2.2 Materials, fittings and components
2.2.3 Consumer piping
2.2.4 Flues
2.2.5 Installing appliances
Section 3 Means of conformance — General requirements and safe work practices
3.1 Gas supply
3.2 Gas demand
3.3 Safe work practices
3.3.1 General
3.3.2 Isolating gas supply
3.3.3 Purging after completion of work
3.4 Sealing of open pipe ends
3.4.1 Removal of debris
3.4.2 Open ends to be sealed while work is in progress
3.4.3 Outlet provided for future connection to be sealed
3.5 Testing of piping
3.5.1 Testing a new gas installation
3.5.2 Testing consumer piping after alteration, repair or extension
3.6 Acceptable substances for testing
3.7 Hot-tapping of branch fitting to consumer piping
3.8 Increasing the operating pressure of existing consumer piping
3.9 Dealing with dangerous gas installations
3.10 Methods of locating gas leaks
3.11 Safety requirements in the vicinity of gas leaks or suspected gas leaks
3.12 Safe discharge of static electricity
3.13 Electrical safety bonding or bridging
3.14 Clearing a blockage in consumer piping
Section 4 Means of conformance — Materials, fittings and components
4.1 General
4.1.1 Suitability for use
4.1.2 Re-use of materials and components
4.1.3 Mating parts
4.2 Materials for consumer piping
4.3 Consumer piping restrictions
4.4 Prohibited types of joints and fittings
4.5 Proprietary systems
4.5.1 Suitability for intended use
4.5.2 Installation of proprietary systems
4.5.3 Substitution of components
4.5.4 Identification of proprietary piping systems
4.6 Material between LP gas cylinder valve and inlet to first regulator
4.7 Other materials
4.7.1 Gasket material
4.7.2 Jointing compounds and materials
4.7.3 Vent line material
4.7.4 Flue materials and limitations
4.8 Components
4.8.1 Miscellaneous components
4.8.2 Manual shut-off valves
4.8.3 Hose assemblies
4.8.4 Swivel joints and couplings
Section 5 Means of conformance — Installation of consumer piping
5.1 General
5.1.1 Condition of pipe and pipe fittings
5.1.2 Prohibition of earthing through consumer piping
5.1.3 Protection from other materials
5.1.4 Storage and handling of pipe
5.1.5 Condition of pipe during installation
5.1.6 Restriction on repair of defective pipe or pipe fitting
5.1.7 Jointing
5.1.8 Restriction on use of thread sealant
5.1.9 Bending pipe
5.1.10 Re-making a flanged joint
5.1.11 Pipe installation not to reduce building strength or fire resistance
5.1.12 Identification of pipework
5.2 Design of consumer piping
5.2.1 Pressure rating of piping and components
5.2.2 Appliance pressure rating
5.2.3 Requirements where pressurized air, oxygen or a standby gas is to be used in conjunction with the fuel gas
5.2.4 Consumer piping size
5.2.5 Flexibility of piping
5.2.6 Pipe alignment at expansion joint
5.2.7 Occupancy isolation
5.2.8 Building isolation
5.2.9 Isolation for specific installations
5.2.10 Provision of emergency valve (steam boilers and hot water boilers)
5.2.11 Provision of fire emergency isolation for multilayer pipe
5.2.12 Reversion fittings for proprietary multilayer piping
5.3 Location of consumer piping
5.3.1 Prohibited locations
5.3.2 Piping in an air duct, plenum ceiling, air-handling plenum or ventilating duct
5.3.3 Piping not to be subject to physical damage
5.3.4 Separation from above-ground low and extra low voltage electrical equipment
5.3.5 Piping to not support an electrical conductor
5.3.6 Piping to not be exposed to liquid discharge
5.3.7 Above-ground piping to not touch the ground
5.3.8 Piping in a concealed location other than underground or embedded in concrete
5.3.9 Piping passing through a building’s exterior wall
5.3.10 Piping passing through floors and internal walls
5.3.11 Piping in the ground beneath a building
5.3.12 Ventilation of concealed piping
5.3.13 Piping embedded in concrete
5.3.14 Consumer piping in wooden joists or metal-framed walls
5.3.15 Piping in steel-framed buildings
5.3.16 Location of multilayer piping
5.4 Installation of consumer piping buried in the ground
5.4.1 Consumer piping beneath a building
5.4.2 Bedding and support of pipe in the ground
5.4.3 Depth of cover
5.4.4 Quality of bedding and backfill
5.4.5 Consolidation of bedding and backfill material
5.4.6 Marker tape and tracer wire
5.4.7 Termination of plastics or multilayer pipe and metallic continuation
5.4.8 Securing a riser
5.4.9 Separation from underground electrical cable
5.4.10 Separation from underground electrical earthing electrode
5.4.11 Separation from underground communication cable
5.4.12 Separation from underground services
5.4.13 Crossing other underground services
5.5 Corrosion control
5.5.1 Corrosion protection of bare steel
5.5.2 Corrosion protection of above-ground pipework
5.5.3 Joining of electrochemically incompatible materials
5.5.4 Requirement where coated steel pipe emerges from the ground
5.5.5 Requirement where consumer piping is to include cathodic protection
5.6 Water and dust clearing provision in consumer piping
5.6.1 Provision of tailpipe
5.6.2 Design and location of a tailpipe
5.6.3 Marking of tailpipes
5.6.4 Tailpipes that terminate below ground level
5.6.5 Provision for dust clearing
5.7 Consumer piping for a high-rise building
5.7.1 General
5.7.2 Prohibition on flexible hoses
5.7.3 Plan of consumer piping to be displayed on site
5.7.4 Manual shut-off valve in riser and lateral
5.7.5 Support and flexibility of riser
5.7.6 Minimizing strain at a lateral
5.8 Support of consumer piping
5.8.1 Consumer piping support system requirements
5.8.2 Spacing of supporting devices
5.8.3 Diameter of rod hangers
5.9 Use of hose assemblies
5.9.1 Hose assembly requirements
5.9.2 Prohibited location of hose assembly connection point
5.9.3 Location of connection point for hose assembly
5.9.4 Hose assembly — Prohibited installation methods
5.9.5 Hose assembly — Operating conditions
5.9.6 Hose assembly connecting an appliance
5.10 Quick-connect devices
5.10.1 Quick-connect device installed outside above ground
5.10.2 Quick-connect device socket installation method where subjected to water or dust
5.10.3 Quick-connect devices installed outdoors below ground
5.11 Installing gas equipment
5.11.1 Consumer piping gas pressure regulators
5.11.2 Over-pressure
5.11.3 Protection of gas supply system from low pressure where a gas pressure-raising device or a gas engine is installed
5.11.4 Pressure test points
5.11.5 Venting
5.11.6 Sub-meters
5.12 Gas pressure-raising devices
5.12.1 Protection against pulsation
5.12.2 Connection requirements
5.12.3 Required controls
5.12.4 Requirements of downstream pipe and equipment
5.13 Ventilation of gas equipment
5.13.1 General
5.13.2 Natural ventilation to outside
5.13.3 Natural ventilation via adjacent room
5.13.4 Mechanical ventilation
5.13.5 Ventilation of an enclosure containing a meter or regulator and a gas pressure-raising device
5.13.6 Ventilation of an enclosure containing gas equipment and an appliance
5.13.7 Location of openings
Section 6 Means of conformance — Installation of appliances
6.1 Requirements for appliances
6.1.1 New Zealand requirements
6.1.2 Australian requirements
6.1.3 Appliance conversion
6.2 General installation requirements
6.2.1 Determination of adequate gas supply
6.2.2 Manufacturer’s installation instructions
6.2.3 Restriction on flueless appliances
6.2.4 Restriction on appliance location
6.2.5 Temperature limitation on nearby combustible surface
6.2.6 Appliances using pressurized air or oxygen or having a standby gas connected
6.2.7 Automatic control to fail safe
6.2.8 Electrical requirements
6.2.9 Restoration of electricity supply
6.2.10 Appliance support
6.2.11 Earthquake restraint
6.2.12 Gas connections for appliances subject to vibration
6.2.13 Connection of an appliance designed to move on castors, rollers or wheels
6.2.14 Appliance restraint where a hose assembly is used
6.2.15 Push-on connectors limited to connecting laboratory Bunsen burners
6.3 Appliance location
6.3.1 Adverse effect of air movement systems
6.3.2 Protection from physical damage
6.3.3 Accessibility
6.3.4 Hazards to buildings or persons
6.3.5 Proximity of flammable goods or chemicals
6.3.6 Presence of water
6.3.7 Installation above a source of cooking vapour, steam, grease or heat
6.3.8 Installation in a cupboard
6.3.9 Installation in a bedroom
6.3.10 Installation in a residential garage
6.3.11 Appliance in a roof space
6.3.12 Location of appliances in residential premises
6.3.13 Appliance on roof, wall or elevated structure in locations other than single residential premises
6.3.14 Appliance under a floor
6.4 Air supply to appliances
6.4.1 Adequacy of air supply
6.4.2 Quality of air supply
6.4.3 Installation where atmosphere is contaminated
6.4.4 Specific appliance ventilation requirements
6.4.5 Air requirements for appliances
6.4.6 Air requirements for appliances — New appliance installations — Australia only
6.4.7 Special requirements for flueless space heaters
6.4.8 Appliance in a residential garage
6.4.9 Mechanical ventilation
6.4.10 Interlock for air supply to appliances
6.4.11 Air heating appliance in a confined space
6.4.12 Combustion and dilution air for an open flued appliances
6.5 Gas shut-off when automatic fire equipment operates
6.5.1 Interlock of automatic fire-extinguishing equipment with gas supply
6.5.2 Interlock of automatic fire damper and gas supply
6.5.3 Gas shut-off controls interfaced with fire alarm systems
6.6 Appliance connection
6.6.1 Restriction on appliance connection
6.6.2 Pipe connection
6.6.3 Means of isolation
6.6.4 Means of disconnection
6.6.5 Fitting of an appliance gas pressure regulator
6.7 Flue design
6.7.1 Provision of a flue
6.7.2 Effect on building strength or fire resistance
6.7.3 Material
6.7.4 Design requirements
6.7.5 Flue gases not to cause a nuisance
6.7.6 Common or combined flues
6.7.7 Draught diverters
6.7.8 Power flues
6.7.9 Flue cowls
6.7.10 Condensate drains
6.7.11 Use of existing flue or chimney
6.8 Flue installation
6.8.1 Provision for removal of appliance
6.8.2 Support independent of appliance
6.8.3 Soft-soldered flue joints
6.8.4 Flue joints
6.8.5 Weatherproofing through a roof or wall
6.8.6 Chimneys
6.8.7 Clearance around a draught diverter
6.8.8 Prohibited locations for flues
6.8.9 Concealed metal flues
6.8.10 Application of twin wall flues
6.8.11 Clearance between a single wall flue and a combustible surface
6.8.12 Protection of combustible surfaces
6.8.13 Protection of adjacent non-combustible materials from heat of flue
6.8.14 Clearance from wiring and other services
6.9 Flue terminals
6.9.1 Terminating an open flue — Location
6.9.2 Terminating a flue above a roof
6.9.3 Location of flue terminals around the perimeter of a building or structure
6.9.4 Flue terminal under a covered area, in a recess or on a balcony
6.9.5 Terminating a flue in a roof space
6.9.6 Clearances of flue terminals around a GMS (New Zealand only)
6.10 Additional requirements for installation of specific appliances
6.10.1 Domestic gas cooking appliances
6.10.2 Commercial catering equipment
6.10.3 Instantaneous water heaters
6.10.4 Storage water heaters
6.10.5 Pool heaters (including those for swimming, spa and therapeutic pools)
6.10.6 Space heaters
6.10.7 Overhead radiant heaters
6.10.8 Patio heaters
6.10.9 Decorative flame effect fires, other than flame effect gas space heaters
6.10.10 Ducted air heaters
6.10.11 Air curtains
6.10.12 Direct fired air heaters
6.10.13 Overhead radiant tube heaters
6.10.14 Laundry dryers
6.10.15 Gas lights
6.10.16 Incinerators
6.10.17 Pottery kiln
6.10.18 Refrigerator
6.10.19 Gas barbecues and radiant gas heaters for outdoor use
6.11 Commissioning
6.11.1 General
6.11.2 Australian requirements
6.11.3 New Zealand requirements
6.11.4 Commissioning of appliances
Appendix A (informative)
Appendix B (informative) Conversion factors
Appendix C (normative) Thermal protection of combustible materials
Appendix D (informative) Purging
Appendix E (normative) Testing for gastightness
Appendix F (normative) Sizing consumer piping
Appendix G (normative) Determination of maximum breather vent orifice size for devices not vented to outside atmosphere
Appendix H (normative) Flue design
Appendix I (informative) Appliances in outdoor areas
Appendix J (Informative) LP Gas cylinder locations
Appendix K (informative) Gas in high-rise buildings
Appendix L (informative) Consumer billing meter installations
Appendix M (informative) Special requirements in Australian jurisdictions
Appendix N (informative) Guidelines for commissioning of appliances
Appendix O (informative) Symbols used in gas control system diagrams
Appendix P (informative) Gas installation checklist
Appendix Q (normative) Spillage test for open flued appliances
Bibliography
Index
Amendment control sheet
Amendments
Previous versions
AS/NZS 5601.1:2022
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