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A landing craft in the flooded well deck of USS Comstock. The structure on the modern naval amphibious ships does not exactly fit the traditional "well deck" definition of a weather, or open deck, that is lower than adjacent decks, surrounded by bulkheads that would, lacking proper drainage, form a catchment for water; however, the structure has its origins in such an exaggerated deep deck on ...
The structure on the latest naval amphibious ships does not precisely fit the traditional meaning of a weather, or open deck, that is lower than adjacent decks, surrounded by bulkheads and lacking proper drainage would form a catchment for water; however the structure has its origins in such an exaggerated deep deck on World War II era tank ...
Boat deck: Especially on ships with sponsons, the deck area where lifeboats or the ship's gig are stored. Boiler deck: (river steamers) The passenger deck above the vessel's boilers. Bridge deck: (a) The deck area including the helm and navigation station, and where the Officer of the Deck/Watch will be found, also known as the conn.
Moulded depth (D) is the vertical distance measured from the top of the keel to the underside of the upper deck at side. [4] Form derivatives that are calculated from the shape and the block measures. They are: Displacement (Δ) is the weight of water equivalent to the immersed volume of the hull.
Condeep is a make of gravity-based structure for oil platforms invented and patented by engineer Olav Mo in 1972, [1] which were fabricated by Norwegian Contractors in Stavanger, Norway. [2] [3] [4] Condeep is an abbreviation for concrete deep water structure.
When a ship is loaded with cargo, it may have many times its own empty weight of cargo pushing down on the structure. In heavy seas, water flowing over or crashing down onto the weather deck applies (possibly immense) loads on the deck and transverse loads on the superstructure or other deck features such as coamings and hatches.
Decks above the main deck may be named, like the bridge deck or poop deck, [12] or they may be numbered upwards from the main deck with a zero prefix that is pronounced "oh": 01 above the main deck, 02 deck above 01, and so forth. [13] The United States Navy (USN) has used the latter convention in a compartment numbering system since 1949. The ...
Water that does not drain off the side of the deck or through a hole in the hull, which it would typically do via a scupper, instead drains down into the ship into the bilge. This water may be from rough seas, rain, leaks in the hull or stuffing box, or other interior spillage. The collected water must be pumped out to prevent the bilge from ...