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Tonkin Gap Alliance and designers start work on $400M Tonkin Gap

A team of 90 staff from BG&E and GHD will join Main Roads Western Australia to produce design work for the Tonkin Highway Corridor.

The Tonkin Gap Alliance, comprising a mix of Tier 2 local and Australian Owned Contractors including Georgiou Group, BMD and WA Limestone, as well as designers BG&E and GHD will deliver detailed design and infrastructure works for the project.

Erik Geidans, GHD Western Australia Market Leader, Transport, said GHD’s approach is integrated and collaborative to ensure innovative and cost-effective infrastructure delivery systems.

“This project has multiple touch points that excite us, including the opportunity to design a new multi-span bridge structure over the Swan River. We are also looking forward to deepening ties with local contractors within the alliance to scale innovation and fast-track outcomes,” Geidans said.

NorthLink WA Stages 1 and 2 have recently been completed by Main Roads WA and the Tonkin Gap will remove the infrastructure ‘gap’ between those two projects.

In addition, the Tonkin Gap Alliance will undertake rail enabling works to support delivery of the METRONET Morley to Ellenbrook train line separately funded and delivered by Main Roads on behalf of the Public Transport Authority.

“The alliance will have to embrace an alternative delivery approach, different to that of many other alliances GHD has been involved in. We will be encouraging collaboration, but at the same time preparing to be ready to address a second wave of COVID-19,” Geidans said.

Design works will be undertaken using a range of platforms, MX, Revit, Civil 3D, Infraworks and 12d, hosted across ProjectWise, BIM 360 and 12d Synergy. This will allow the team to produce visuals for community engagement.

Construction is expected to start in September 2020 with completion set for 2023.

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