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The Edgar Thomson Steel Works is a steel mill in the Pittsburgh area communities of Braddock and North Braddock, Pennsylvania. It has been active since 1875. It has been active since 1875. It is currently owned by U.S. Steel and is known as Mon Valley Works – Edgar Thomson Plant .
Downriver is the Pittsburgh Pool with an average water elevation of 710 feet above sea level. Thus Lock No. 2 lifts and lowers boats about 11 feet between the pools. [5] The Pittsburgh Pool encompasses over 24 Miles of navigable water at about 710 feet of elevation. It stretches about 6.2 Miles up the Ohio River from the Emsworth Locks and Dam ...
Plastic tubing cutters, which resemble a pair of pruning shears, may be used for thinner pipes and tubes, such as sprinkler pipe. For use on thicker pipes, there is a pipecutter with a sharp wheel and adjustable jaw grips. These are used by rotating it around the pipe and repeatedly tightening it until it cuts all of the way through. [1]
Pipe cutting or pipe profiling is a mechanized industrial process that removes material from pipe or tubing to create a desired profile. Typical profiles include straight cuts, mitres, saddles and midsection holes. These complex cuts are usually required to allow a tight fit between two parts that are to be joined via arc welding.
In 1923, the Pittsburgh city council approved city ordinance no. 205, granting the company, "its successors and assigns, the right to construct, maintain and use an overhead skip hoist across south Twelfth street with an approximate clearance of 14' for the purpose of conveying iron and steel products from the building of said corporation ...
The steel works were first constructed in 1881. Andrew Carnegie, (a Scottish emigrant), bought the 2 year old Homestead Steel Works in 1883, and integrated it into his Carnegie Steel Company. [1]
From 1999 to 2001, Heinz built a 70,000-square-foot (6,500 m 2) warehouse on the east side and moved its headquarters to downtown Pittsburgh. [10] By 2001, many of the historic buildings had been vacant for five to eight years. Heinz had no long-term plans for the buildings and sold them to a residential developer. [11]
Pittsburgh is the location of 182 of these properties and districts, including 5 National Historic Landmarks; they are listed separately, while the properties and districts elsewhere in the county, including 5 National Historic Landmarks, are listed here. Four properties are split between Pittsburgh and other parts of the county.