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Bollard pull is a conventional measure of the pulling (or towing) power of a watercraft.It is defined as the force (usually in tonnes-force or kilonewtons (kN)) exerted by a vessel under full power, on a shore-mounted bollard through a tow-line, commonly measured in a practical test (but sometimes simulated) under test conditions that include calm water, no tide, level trim, and sufficient ...
Decorative bollards have become a well-known feature of the city of Geelong and reflect its history as a major Australian port. [35] In Antwerp, Belgium, artist Eddy Gabriel transformed a bollard to look like a toadstool in 1993. This example was followed by other artists, turning the quayside of the river Scheldt into a street art gallery. [36]
The mooring hitch can be used to tie a small boat to a post, pole, bollard or similar. As it is a quick-release knot, it can be easily untied by pulling the working end E. [1] If the working end is long enough, this can be done from the boat. [2] It is considered rather insecure though. [2] [3] Tying the mooring hitch
A dockworker places a mooring line on a bollard. A mooring is any permanent structure to which a seaborne vessel (such as a boat, ship, or amphibious aircraft) may be secured. Examples include quays, wharfs, jetties, piers, anchor buoys, and mooring buoys. A ship is secured to a mooring to forestall free movement of the ship on the water.
The following is a list of berth types based on the method of construction: [1] Solid structure berth In these berths, a solid vertical structure is created to contain fill material which is brought all the way to the structure.
The properties of chain, versus wire, mooring lines have been investigated, with chain mooring lines causing reductions in anchor capacity of up to 70%. [6] Thus, where appropriate and cost-efficient, wire mooring lines should be used. The embedded section of a mooring line contributes to the anchor's holding capacity against horizontal movement.
Single anchor leg mooring (SALM), which can be used in both shallow and deep water. [1] see Thistle SALM as an example. Vertical anchor leg mooring, which is seldom used. [1] Two types of single point mooring tower: Jacket type, which has a jacket piled to the seabed with a turntable on top which carries the mooring gear and pipework [1]
Diagram of floating production storage and offloading unit FPSO OSX #1 at Rio de Janeiro Coast FPSO Mystras at work off the shore of Nigeria FPSO Crystal Ocean moored at the Port of Melbourne The circular FPSO Sevan Voyageur moored at Nymo yard at Eydehavn, Norway FPSO Firenze moored at Hellenic Shipyards, 2007 FPSO (Floating, Production, Storage, Offloading), Welplaathaven, Port of Rotterdam ...