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Mordialloc Freeway Recycled Noise Walls
1st of March 2021 – Media Release
In a world first, noise walls along the Mordialloc Freeway will be made from 75 per cent recycled plastic collected from households across the state, as part of a drive to build Australia’s greenest freeway.
The 32,000 square metres of noise walls required for the project will be made from more than 570 tonnes of plastic waste – half of which is plastic disposed in kerbside recycling such as milk and soft drink bottles.
The other half of the recycled content will be made up of soft plastics such as bread bags, food wrappers and bubble wrap, which are notoriously difficult to recycle and usually end up in landfill.
The amount of recycled content going into these noise wall panels is the equivalent of 30 million water bottles, or the plastic waste collected from 25,000 Victorian homes in one year. The noise walls have been made in Carrum Downs by PACT Group, helping them retain local jobs.
This is the first time in the world noise walls have been made from 75 per cent recycled plastic, with the Mordialloc Freeway project exemplifying the principles of the Andrews Labor Government’s Recycled First policy.
Recycled First supports the government’s circular economy strategy, Recycling Victoria, and requires construction companies to demonstrate how they will optimise the use of recycled and reused materials on transport projects.
The implementation of Recycled First is being supported by Ecologiq, a Labor Government initiative helping to make the state a world leader in the sustainable use of recycled and reused materials.
Ecologiq has developed new standards and specifications for recycled noise walls, making them easier to replicate on future projects. The Mordialloc Freeway project is a standout example of incorporating green initiatives, including recycled glass in asphalt, recycled concrete in road base and drainage pipes made of recycled plastic.
PACT Group has been able to retain 70 staff at their Viscount Plastics manufacturing site, with 32 panels to be made each workday, and 56 weeks of production required to supply 32,000 square metres of panels. The panels have a lifecycle in excess of 40 years and can be recycled again at the end of their life.
At less than half the weight of steel or concrete panels, the recycled plastic noise wall panels are quicker and safer to install while still meeting or exceeding traffic noise reduction requirements. The recycled plastic panels are also non-porous, meaning paint and graffiti can’t be absorbed into them.
The Mordialloc Freeway is due to be complete by the end of 2021.
Quote attributable to Transport Infrastructure Minister Jacinta Allan
“With more than 900,000 hours of work now recorded, the Mordialloc Freeway is supporting local jobs, will take trucks off local roads and slash travel times.”
Quote attributable to Minister for Roads and Road Safety Ben Carroll
“Every time motorists travel along the new Mordialloc Freeway, they will be able to see tangible evidence of how we are making greener choices and reducing waste in transport infrastructure construction.”
Quote attributable to Minister for Environment and Climate Change Lily D’Ambrosio
“We only have finite resources and projects like these keep waste out of landfill while giving old material a new life. It also creates crucial jobs for Victorians.”
ENDS
Read the Media Release here.
© Copyright State Government of Victoria
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