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The construction of the 41-million Euro sea defence began in October 2010 and was projected to be completed by December 2011 but was completed in October 2014. [ 4 ] [ 5 ] The quantity of the dredge was estimated at 15 million cubic meters and the vessel type used was the Cutter Suction Dredge.
Marine construction is the process of building structures in or adjacent to large bodies of water, usually the sea. These structures can be built for a variety of purposes, including transportation, energy production, and recreation. Marine construction can involve the use of a variety of building materials, predominantly steel and concrete ...
In Northeast Africa, ancient Egypt and Nubia (modern-day Sudan) developed significant maritime capabilities. The Nile River served as a vital artery for transport and trade, with Egyptians using boats made of papyrus reeds and later, wooden vessels. These boats facilitated the movement of goods and people along the river and into the ...
USS Regulus hard aground in 1971 due to a typhoon: after three weeks of effort, Naval salvors deemed it unsalvageable.. Marine salvage takes many forms, and may involve anything from refloating a ship that has gone aground or sunk as well as necessary work to prevent loss of the vessel, such as pumping water out of a ship—thereby keeping the ship afloat—extinguishing fires on board, to ...
Dolos construction yard - Yzerfontein, South Africa A man stands next to a dolos, showing its relative size. Dolosse moulds are in the foreground - Durban , South Africa Dolosse are normally made from un-reinforced concrete, poured into a steel mould.
Underwater cutting and welding, may be necessary, though in most cases it can be avoided in new construction. Commercial diving, is used when necessary or when it is an economical alternative, when work must be done by a human operator at an underwater worksite. Hyperbaric work may be appropriate in a pressurised caisson.
The Sahara Sea was the name of a hypothetical macro-engineering project which proposed flooding endorheic basins in the Sahara with waters from the Atlantic Ocean or Mediterranean Sea. The goal of this unrealised project was to create an inland sea that would cover the substantial areas of the Sahara which lie below sea level , bringing humid ...
The coast of eastern Africa, c.1500 (George McCall Theal, 1902) Maritime archaeology in East Africa spans the range from the horn of Somalia south to Mozambique, and includes the various islands and island chains dotting the map off the coast of Somalia, Mozambique, Tanzania and Kenya.