Water Transport


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WATER TRANSPORT

 

It is the oldest mode of transportation. First it was the sailing vessels, which was replaced by steamboats in early 1800’s and by diesel power in the 1920’s.

 

Domestic water transportation – involves the Great Lakes, canals, and navigable rivers. In every country, fewer system miles exist for inland water than any other transportation mode.

The main advantage of water transportation is the capacity to move extremely large shipments. Water transport employs 2 types of vessels. Deep-water vessels, which are generally designed for Ocean and Great Lakes use, & are restricted to deep-water ports for access. In contrast, diesel-towed barges, which generally operate on rivers and canals, have considerably more flexibility.

 

Water transport ranks between rail and motor carrier in the fixed cost aspect. Although water carriers must develop and operate their own terminals, the right-of-way is developed and maintained by the government and results in moderate fixed costs as compared to railways and highways.

 

The main disadvantage of water transport is the limited range of operation and speed. Unless the origin and destination are adjacent, supplement haul by rail or truck is required. The capability to carry very high cargo at an extremely low variable cost places this mode of transport in demand when low freight rates are desired and speed of transit is a secondary consideration.

 

But, water transport on the other hand isn’t all that flexible. Labour restrictions on loading and unloading at docks create operational problems and tend to reduce the potential range of available traffic. Also, a highly competitive situation has developed between railroads and inland water carriers in areas where parallel routes exist.

 

Great lakes are concentrating towards transportation of bulk products while Deep-water vessels transport a significant high volume of non-bulk items. Containerized cargo facilitates vessel loading and unloading and enhances intermodal capability by increasing the efficiency of cargo transfer between highway, rail and water.

 

Inland and great lakes will continue to be a viable option in future logistical systems while the slow passage of inland river transport can provide a form of warehousing in transit integrated into overall system design.


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