Dredging is the removal of sediments and debris from the bottom of the sea, lakes, rivers, harbors, and other water bodies. It is a routine necessity in waterways around the world because sedimentation—the natural process of sand and silt washing downstream—gradually fills channels and harbors. Dredging of waterways around the Old Garage area of Osogbo Dredging often is focused on maintaining or increasing the depth of navigation channels, anchorages, or berthing areas to ensure the safe passage of boats and ships. Vessels require a certain amount of water in order to float and not touch bottom. This water depth continues to increase over time as larger and larger ships are deployed and thus deeper dredging is required. Since massive ships carry the bulk of the goods imported into Nigeria, dredging plays a vital role in the nation’s economy. Rivers, canals and creeks in excess of 10,000 kilometres make up what are collectively the waterways in Nigeria, out of which some 3,8...