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Australian gas installation standard revised to help mitigate risk of house fires
Statements
Standards Australia has revised the country's lead standard for gas installations (AS/NZS 5601.1, Gas installations, Part 1: General installations), with significant changes designed to mitigate the risk of property damage or house fires where multilayer gas pipes have been installed.
Other safety measures include prohibiting the installation of multilayer pipes above ground, external to buildings - an especially critical advancement for construction in bush-fire prone areas. The prohibition was prompted by feedback from industry, which cited several cases where unprotected multilayer piping had resulted in UV damage, subsequently compromising the structure of the gas pipe.
Importantly, the standard also specifies that a valve be installed at or near the gas supply point for new domestic homes and other types of buildings, including multi-storey apartments. The addition is intended to improve safety by shutting off gas supply to a building if an active fire safety system is operated.
"The objective of this Standard is to provide essential requirements and deemed-to-conform solutions, and to promote uniform standards of gas installation," says Enzo Alfonsetti, Chair of AG-006, the committee responsible for the standard.
"Standards Australia and the committee consulted with forensic fire investigators and used data from testing, both of which supported the need to implement this significant change."
Other changes to the standard include raising the clearance height between cooking appliances and overhead horizontal combustible surfaces from 600mm to 650,, for new kitchen builds, to align with the international standard for rangehoods.
AG-006 also updated the standard requirements on where flue terminals can be installed in undercover areas such as apartment balconies – to assist in minimising the risk of carbon monoxide poisoning.
AS/NZS 5601.1, Gas installations, Part 1: General installations, is available via the Standards Australia Store and our distribution partners.
Standards Australia has revised the country's lead standard for gas installations (AS/NZS 5601.1, Gas installations, Part 1: General installations), with significant changes designed to mitigate the risk of property damage or house fires where multilayer gas pipes have been installed.
Other safety measures include prohibiting the installation of multilayer pipes above ground, external to buildings - an especially critical advancement for construction in bush-fire prone areas. The prohibition was prompted by feedback from industry, which cited several cases where unprotected multilayer piping had resulted in UV damage, subsequently compromising the structure of the gas pipe.
Importantly, the standard also specifies that a valve be installed at or near the gas supply point for new domestic homes and other types of buildings, including multi-storey apartments. The addition is intended to improve safety by shutting off gas supply to a building if an active fire safety system is operated.
"The objective of this Standard is to provide essential requirements and deemed-to-conform solutions, and to promote uniform standards of gas installation," says Enzo Alfonsetti, Chair of AG-006, the committee responsible for the standard.
"Standards Australia and the committee consulted with forensic fire investigators and used data from testing, both of which supported the need to implement this significant change."
Other changes to the standard include raising the clearance height between cooking appliances and overhead horizontal combustible surfaces from 600mm to 650,, for new kitchen builds, to align with the international standard for rangehoods.
AG-006 also updated the standard requirements on where flue terminals can be installed in undercover areas such as apartment balconies – to assist in minimising the risk of carbon monoxide poisoning.
AS/NZS 5601.1, Gas installations, Part 1: General installations, is available via the Standards Australia Store and our distribution partners.
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