ENVIRONMENT

BUMA progresses Meandu rehab

BUMA Australia completed 28.7 hectares of native vegetation rehabilitation at Stanwell Corporation’s Meandu mine in Queensland during 2022.

 Part of the project involved the design and construction of a series of rock-lined drains.

Part of the project involved the design and construction of a series of rock-lined drains.

BUMA said the native vegetation rehabilitation areas built to the final post-mining landform were designed to be safe, stable, non-polluting and sustainable.

"Specific design requirements to ensure success and completion are measured against government regulations and include specific gradients, cover material and drainage," it said.

"Part of the project involved the design and construction of a series of rock-lined drains to convey overland flow and reduce the potential for erosion.

"The rock-lined drains use basalt rock recovered from the mine as part of our operations."

Topsoil was placed across the entire surface area. It was sourced from onsite topsoil stockpiles that met assessed qualities and performed well for native vegetation rehabilitation.

The entire area was fertilised, ripped and seeded as a single pass to reduce compaction of the cover material.

To complete the rehabilitation BUMA spread more than 600kg of seed including a mixture of tree, shrub and grass species resembling the local regional ecosystem.

Meandu sourced 25 different native seeds from a supplier that collects from the local area.

The seed mix also included grasses as a cover crop to help the native seed establish.

"Some of the species we planted include the Yarraman Ironbark a type of eucalyptus native to the area, the Native Apricot the Brisbane Golden Wattle," BUMA said.

"We are committed to conducting high quality, progressive rehabilitation across our projects."

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