Overhead powerlines standard released
New guidance for the design, construction and maintenance of overhead powerlines has just been published.
Standards Australia recently released SA/SNZ HB 331:2020, Overhead line design handbook, which aims to ensure that powerlines are suitably resistant to the exposure of extreme climate conditions and that they are designed in a safe and consistent manner.
“This comprehensive handbook considers the many different locations and weather patterns of our country,” said Head of Stakeholder Engagement Daniel Chidgey.
“Having resilient and safe powerlines is essential in powering communities across Australia, and this handbook is another tool to help achieve this goal.”
The handbook has been updated with some significant additions, including safety clear zones, vegetation management, high-voltage live working considerations, and the design and construction of powerlines in bushfire-prone areas.
“Australia has been devastated by the ongoing bushfires in several states,” said Chidgey.
“As an organisation, Standards Australia will continue to support industry and government through guidance, such as this handbook, that considers the specific needs of current and future infrastructure in these affected areas.”
From the materials used in the design to targeted inspection and maintenance, the bushfire-prone areas section of the handbook sets out requirements aimed at reducing the risk of ignition from powerlines.
“Alongside industry, governments and others, Standards Australia is committed to providing standards and similar documents that protect the infrastructure of communities, in turn building a more resilient Australia,” said Chidgey.
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