Projects

Focus on the Field: Leeville 4-2 Tailings Screening

Sixty-Two: Ames News — delivered.

By Cody Burgess, Project Engineer

Ames crews in Northern Nevada are mining, hauling, and screening spent tailings at the Nevada Gold Mines (NGM) Leeville 4-2 Tailings Facility. The screened material will be used by NGM as a component of their backfill mixture for underground mining operations.

Overview of the Leeville 4-2 Tailings Screening operation in 2024.

The first Ames crews began this mining and screening project in 2017. Ames was awarded contracts to continue this work in 2018 and 2021–2024. Most recently Ames was awarded another three years of work for 2025–2027.

An Ames mining crew loads CAT 745 haul trucks with a CAT 349 excavator.

Ames mining crews have worked diligently to develop benches and haul roads that maximize efficiency, promote safety, and supply the screening plant with an adequate volume of material for production, all while strategically mining material suitable for immediate screening. Mining efforts are accomplished with the use of CAT 745 haul trucks, a CAT 349 excavator, and support equipment.

Ames screening plant, conveyor line, and product pile in 2023.

Ames screening crews have expertly operated the screening plant each year. Using a CAT 980/982 loader and support equipment, they have managed to complete the contract quantities ahead of schedule every year.

Over the years, Superintendents Ron VanMeter and George Freestone have ensured this project’s success. Ron and George have used their many years of experience and knowledge to navigate a multitude of challenges and keep the crews and equipment on the path to victory. They’ve demonstrated excellent communication skills and a willingness to compromise with the client, and NGM has continued to request their return.

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Since the award of the project in 2017, Ames crews have produced over 2.6 million tons of screened material for NGM. They have also worked more than 61,000 hours with no lost time or recordable incidents!

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