sand washing plant for silt sreening in south africa
Dredging and the removal of silt and sand from main rivers as a Dredging as defined in the Regulations is a broad term that covers the removal of any sand silt ballast clay gravel or other materials from or off the bed or banks of a main river Other than removing material from a culvert the dredging exemptions only allow you to remove silt and sand that has accumulated on the bed of a river