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Text 9
Ports - Means of Communication Outside
Historically ports sprung up at geographic locations of advantage, and most favorable position tor trade and prospects for future industrial development. River or sea routes promote a convenient means of transpor¬tation for cargoes, building materials, coal and oil, consumption goods and passenger traffic. Is a mutually There beneficial influence of the growing port and the developing town.
I claiming he points the foremost attention in laying out the port are: most convenient position, most suitable shape of the harbor and the avail¬ability of transport routes to keep the port busy. The valuable experience gained by designers in building marine structures has to be weighed against the commercial justification for this or that project. Has to design The flexible and be capable of being modified under various circumstances.
Main port for landing structures are wharves or jetties. The former are built parallel to the shore and are continuous structures mostly acting as retaining walls used for berthing vessels on one side. A pier or jetty, unlike a quay, projects into the sea providing an opportunity of both- side berthing, thus doubling the berthing space for the same length of a wharf. Types of piers and their dimensions are various. The longer the pier, the wider it must be, and the width of basin must correspondingly be great to accommodate two vessels readily, one at each pier, and also give room tor
the entry and departure of either.
With the expansion of world trade there an ever-is pressing need to
accelerate the speed of the ship turn-round, which, in turn, forces extensive modernization of port equipment and the provision of better connections with both the sea and the hinterland served by the port. Among the new cargo handling and transportation innovations mention should be made of container traffic. It is considered a profitable introduction of modern tech¬nology into the field of shipping and cargo handling. The continuity of With crane operation it guarantees saving time and expenditure.
Passenger traffic transportation forms another part of a large port op¬eration. It is usually handled in a special three-level building with cargo handling facilities and vehicle transport on the lower levels. The floor of the passenger facilities is raised to similar upper deck heights of the passenger liners for an easy and convenient access.
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