Between September 2016 and May 2017, CPH Mining & Civil completed a Tailings Dam Raise project for BHP (Coal Projects). This project involved raising perimeter embankments and a centreline raise of an internal decant access embankment to enhance the dam’s capacity and structural integrity.
Key services provided by CPH:
Upstream and downstream raises to perimeter embankments
Centreline raise of an internal decant access embankment
Construction of a new, raised emergency overflow external spillway
Reinstatement of tailings delivery pipelines and discharge spigots
Temporary and permanent relocation of the existing decant return water pipeline
Topsoiling, hydromulching, and grass seeding of the downstream batter.