The City of Fremantle has used recycled glass equivalent to around 2640 glass bottles to resurface the car park at the North Fremantle Post Office.
A warm asphalt mix used 10 per cent crushed glass as a substitute for traditional crushed granite aggregate, alongside recycled road base.
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City of Fremantle Infrastructure Engineering Manager David Janssens said while recycled glass asphalt had been used on roads in the United States and Canada for many years, it’s not widely used in Australia.
“Extensive testing was undertaken by our supplier to ensure the material complied with our requirements and the glass would not come loose when cars drove over it,” Mr Janssens said.
“We also had to make sure the glass being used had no sharp edges so it was safe for people to walk on and wouldn’t damage car tyres.
“Once we get an idea of how it performs in North Fremantle we’ll consider using recycled glass in other road projects, and our suppliers are exploring the possibility of using recycled plastic and rubber in asphalt as well.”
Fremantle Mayor Brad Pettitt said the move was part of the city’s One Planet strategy, which focuses on reducing waste and increasing recycling.
“Using recycled glass in asphalt for our roads and car parks could help to create an important local market,” Cr Pettitt said.
“And because the glass asphalt is made at a much lower temperature it also means using a lot less energy and producing less greenhouse emissions.”