Reinforced Earth Australia has been engaged by Thiess Pty Limited to design and supply two 20m high TerraMet® dump structures (totalling 4000m²) and a 10m high TerraPlus® chamber wall under an ironore stockpile, together with an associated TechSpan® Reclaim Tunnel for BHP's Yandi mine project in the Pilbara Region of north west Western Australia.