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Capital Engineers: The US Army Corps of Engineers in the Development of Washington, DC 1790-2004 (Office of History, Headquarters, US Army Corps of Engineers, 2011). online; Shallat, Todd. "Building waterways, 1802–1861: Science and the United States Army in early public works." Technology and Culture 31.1 (1990): 18-50. excerpt; Shallat, Todd.
The Top 100 Contractors Report on the Federal Procurement Data System lists the top 100 defense contractors by sales to the United States Armed Forces and Department of Defense. ('DoD 9700' worksheet). [1]
This is a list of locks and dams of the Ohio River, which begins at the confluence of the Allegheny and Monongahela rivers at The Point in Pittsburgh, Pennsylvania and ends at the confluence of the Ohio River and the Mississippi River, in Cairo, Illinois. A map and diagram of U.S. Army Corps of Engineers operated locks and dams on the Ohio River.
A defense contractor is a business organization or individual that provides products or services to a military or intelligence department of a government.Products typically include military or civilian aircraft, ships, vehicles, weaponry, and electronic systems, while services can include logistics, technical support and training, communications support, and engineering support in cooperation ...
According to the US Army Corps of Engineers, the new dam and locks will reduce passage time to under one hour with the new system. [citation needed] Due to queuing at Lock and Dam Number 52 and Lock and Dam Number 53, it can take cargo traffic 15 to 20 hours each to transit the locks the Olmsted complex is intended to replace. [6]
Construction of new Braddock Dam, started in 1999, was completed in May 2004 using innovative in-the-wet construction techniques. Two prefabricated hollow concrete segments were constructed at an off-site dry-dock and floated into place and set down on a prefabricated foundation system of sheet-pile cut-off walls and large diameter drilled shafts socketed into bedrock.
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Allegheny River Lock and Dam No. 5 is a historic lock and fixed-crest dam complex located at Gilpin Township and South Buffalo Township in Armstrong County, Pennsylvania. [2] It was built between 1920 and 1927 by the United States Army Corps of Engineers, and consists of the lock, dam, esplanade, and Operations Building. The lock measures 56 ...