Van Ryssen Dam

van1Van Ryssen Dam (Foskor, Phalaborwa): awarded to an Grinaker LTA Civil Engineering / LA Crushers Consortium.  Over 80% of the total contract value of R 26 million was undertaken by LAC.

The dam wall comprises a series of layers: rockfill on the downstream side, a crusher run filter layer between the rockfill and the upstream fill, an upstream soil bentonite seal to prevent seepage, another crusher run filter and finally a riprap layer.

The dam has an operating storage capacity of 372,000m3 and flood storage capacity of 583,000m3, amounting to a total storage capacity of 1,127,000m3.