Arc Infrastructure’s Regional Track and Signals team, together with contractors John Holland, completed major renewal works at Binduli Triangle during a two-day shutdown in October. Binduli Triangle, just outside Kalgoorlie, is a major arterial route and contains a turnout that carries a significant amount of rail traffic travelling on the standard gauge Eastern Goldfields Railway (EGR), Esperance branch line and Leonora line.
The $1.5 million project was completed incident-free and saw the team carry out renewal work during a two-day shutdown to increase the safety and efficiency of train movements on this critical part of the network.
The renewal works involved removing an entire 1.1km of turnout curve, replacing the old 1:14 timber turnout (one steel sleeper for every 14 timber sleepers) with a new 1:12 concrete turnout (one steel sleeper for every 12 concrete sleepers).
A total of 1,784 standard gauge concrete sleepers were installed and 5,200 tonnes of ballast renewed.
The renewal works not only modernised the track infrastructure, but also removed the need to keep spare parts on hand for older style turnouts – which is increasingly impractical due to cost and scarcity of these parts – and allowed a temporary speed restriction on the Esperance branch line to be lifted.
Project Engineer Robbie Tanna praised the team’s effort.
“To complete this work in such a short timeframe was a fantastic achievement, especially considering this job was planned and executed in a very short period. A huge thanks to everyone who gave everything to achieve this project’s completion,” Robbie said.
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