Second life for project materials - METRONET


Second life for project materials

  • 16 March 2023

Limestone blocks, steel reinforcement, concrete, ballast, plastic pipes and excavated material are all getting a second life as the METRONET Thornlie-Cockburn Link Project works to build a more sustainable future by recycling and reusing where possible.

Tonnes of materials have been recycled and reused, including:

  • close to 21,000 tonnes of recycled concrete to make limestone blocks
  • more than 2,200 tonnes of recycled content for steel reinforcement
  • more than 1,000 tonnes of supplementary cementitious materials in concrete
  • close to 3,000 tonnes of ballast reused for the drainage blanket within the rail alignment. 

Environment and Sustainability Manager Martin Von Kaschke said the project is making every effort to manage its resources and activities to minimise impacts. 

“We want to play a leading role in building a better, more sustainable future in the communities in which we work,” Martin said. 

Whilst these numbers are impressive, there’s always room for improvement. Over the past 12 months, waste management education and awareness campaigns have been implemented across the project to help identify opportunities to boost overall waste recycling.

Read about the METRONET Sustainability Strategy and sustainability initiatives across our program of works.

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