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Some projects are said to have created profound detrimental environmental effects and/or provided questionable economic benefit such as the Mississippi River Gulf Outlet in southeast Louisiana. [2] Faulty design and substandard construction have been cited in the failure of levees in the wake of Hurricane Katrina. [3]
A bulkhead is a retaining wall, such as a bulkhead within a ship or a watershed retaining wall. It may also be used in mines to contain flooding. Coastal bulkheads are most often referred to as seawalls, bulkheading, or riprap revetments. These manmade structures are constructed along shorelines with the purpose of controlling beach erosion.
A cofferdam is a small space left open between two bulkheads, to give protection from heat, fire, or collision. [2] Tankers generally have cofferdams forward and aft of the cargo tanks, and sometimes between individual tanks. [3] A pumproom houses all the pumps connected to a tanker's cargo lines. [1] Some larger tankers have two pumprooms. [1]
Ship Design and Construction Vol. I. Jersey City: Society of Naval Architects and Marine Engineers. ISBN 0-939773-40-6. MAN Diesel Group (2005). "Propulsion Trends in Bulk Carriers" (PDF). MAN Diesel Group. p. 4. Archived from the original (PDF) on 31 October 2008; International Association of Classification Societies (2007).
Bulkhead also refers to a moveable structure often found in an Olympic-size swimming pool, as a means to set the pool into a "double-ended short course" configuration, or long-course, depending on the type of event being run. Pool bulkheads are usually air-fillable, but power driven solutions do exist.
The belt was closed by 1.5 to 2-inch transverse bulkheads fore and aft. The underwater defence system was a layered system of liquid- and air-filled compartments as used in the Illustrious class. The magazines for the 4.5-inch guns lay outside the armoured citadel and were protected by 2 to 3-inch roofs, 4.5-inch sides and 1.5 to 2-inch ends.
On June 4, 1996, a public hearing was held in Baton Rouge by the State's Review Committee regarding nomination of the bridge to the National Register of Historic Places. On October 18, 1996, the Historic Caddo Lake Drawbridge was officially entered into the National Register of Historic Places under the provisions of the National Historic ...
1.5–2-inch (38–51 mm) bulkheads HMCS Ontario was a Minotaur -class light cruiser built for the Royal Navy as HMS Minotaur (53) , but transferred to the Royal Canadian Navy on completion and renamed Ontario .