Consumer product prices stay low when ships can transport their goods directly into the port.Ĭonstruction of new navigation channels involves the removal of previously undisturbed materials. Periodic maintenance dredging as well as occasional enlarging and deepening of navigation channels are essential to accommodate commercial and recreational vessels. Without dredging, many harbors and ports would be impassable to cargo ships and passenger liners. Once sediments are dredged from the waterway, they are referred to as "dredged material." Therefore, they require underwater excavation or "dredging." After the initial excavation establishes a channel, periodic or "maintenance" dredging must be done to keep that channel clear and safe for navigation.
However, few rivers or harbors are naturally deep.
With their increased size, ships need improved navigation channels to enter and leave ports efficiently, quickly, and safely.
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