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Acceptable rates of erosion

Tom Price. Image: C Suchodolski

PROGRAM: Mine rehabilitation and closure


Acceptable rates of erosion

A major concern for mining companies and regulators is the rehabilitation of waste landforms on mine sites. They need to be safe, stable, and sustainable in the long term thus the rates of erosion of waste landforms must be constrained to “acceptable” levels.

The objective of this project was to develop a risk-based framework to assist mining companies to determine an acceptable long-term erosion rate based on site conditions.

WABSI’s research plan recognises landform stability and erosion management as a priority area for commissioned research.

The role of WABSI in the project

WABSI works closely with the Pilbara Rehabilitation Group that initiated this project and facilitated the engagement of multiple stakeholders to support the delivery of independent science and address key science knowledge gaps in rehabilitation in the Pilbara.

Project partners 

The project was being delivered by Landloch Pty Ltd in partnership with BHP, Rio Tinto Iron Ore, Roy Hill and Fortescue Metals Group Ltd.

A project report was produced and is now in use by the project’s industry partners.

Click here to view a conference paper that highlights the report’s key findings.

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