In this episode of our Fresh Thinking podcast, Pedro Ladiera our Senior Consultant chats with Tarrant Elkington our General Manager about the vertical rate of advance (VRA) - a critical but often overlooked parameter in open pit mine planning.

They talk through how VRA affects everything from waste stripping and ore access to project risk and optimisation.

They cover:

What VRA actually means in practice How it varies by commodity, mining method, and equipment When pushing the limits might actually work - and when it’s just too risky

 A few highlights: ⏱️ 1:01 – Why VRA matters when you’re still mining waste ⏱️ 4:57 – Real-world examples of high and low VRA rates ⏱️ 9:03 – Should you design to what’s possible, or what’s actually needed? ⏱️ 13:27 – What happens when grade control slows things down ⏱️ 16:01 – Is simulation worth the effort?

Whether you're doing strategic mine design or reviewing a study, this one's a useful listen.

Julian Poniewierski paper: https://www.linkedin.com/pulse/observation-sink-rates-open-pit-mining-vertical-rate-poniewierski/

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If you would like to contact Tarrant and Pedro: contact(at)snowdenoptiro.com

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Who We Are:Snowden Optiro is a resources consulting and advisory group that provides independent advice, consulting and training to mining and exploration companies, their advisors and investors.

We help mine developers to advance their projects, mining companies to improve their operations and their professionals, and investors to de-risk their investments by the provision of quality advice, training and software in the field of Mineral Resources and Mineral/Ore Reserves.

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