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Provision for tug handling consist of properly placed closed chocks and associated bollards for the guidance and attachment of the tugs towing line. The means for hauling tugs line aboard with the ships heaving line must be provided. These consist of suitable pedestal fairleads, guide posts or bollards to lead the heaving line onto the [...]
Archive for the ‘Mooring’ Category
Arrangement for Spring Lines
Posted by author on July 11th, 2008
In order to provide an efficient lead to the terminal bollards, spring line issue points should be as far as forward and as far aft as possible. To avoid line chafing on the shell, the issue points must also be within the parallel body. The ship fairleads serving the forward handspring should be at the [...]
Posted in Mooring 
Tags: accommodation area, bollards, bow area, breast, handspring, shell, shipside, spring_line, upper deck, winch 
No Comments »Arrangement of Breast lines
Posted by author on July 11th, 2008
Breast line are effective in holding the ship against transverse force, they are also most effective in restraining the yawing tendency of a vessel which is induced by wind and current acting on the ship. To be most effective in restraining the yawing tendency, issue points for breast lines should be as far as possible. [...]
Posted in Mooring Tags: acting, breast, deck space, fairlead, fairleads, pedestal, rope, tendency, transverse force, winches No Comments »Requirements at Piers and Sea Islands
Posted by author on July 11th, 2008
The primary concern in the shipboard mooring arrangement is suitability for mooring at conventional piers and Sea Islands, since this is the requirement most commonly encountered. The principles for an efficient and safe mooring operation at these terminals:
Mooring arrangement should be symmetrical.
Breast lines should be as perpendicular as possible to the longitudinal center line of [...]
Mooring arrangement and layouts
Posted by author on July 11th, 2008
The objective of a good shipboard mooring arrangement is to provide and arrange equipment to accomplish the following:
Provide for and efficient mooring pattern at conventional pier and sea islands
Facilitate safe and quick mooring, unmooring and line-tending operation with minimum demand on man power.
Enable safe and efficient mooring at anticipated non-conventional terminals such as SPM [...]
Posted in Mooring Tags: barges, canal transit, emergency situations, excessive wind, man power, Mooring, objective, sea islands, shipboard fire, ships, spm No Comments »
