Lady Bird, the new TBM that will tunnel under the Potomac River for DC Water
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DC Water Christens TBM “Lady Bird”

The District of Columbia Water and Sewer Authority (DC Water) recently christened a new Tunnel Boring Machine ‘Lady Bird’ in honor of former first lady Claudia Alta ‘Lady Bird’ Taylor Johnson. The roughly 23-ft diameter […]

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Centennial of NY Grand Central Station…And What the Future Holds

Grand Central TerminalNew York’s famous transportation icon, Grand Central Station (more properly Grand Central Terminal) celebrated the 100th anniversary of it’s opening on February 2, 2013.  This rail terminal is more than just a means of travelling from point A to B, but it is a romantic, and grandiose metaphor for the hustle and bustle of American life.  While the structure is definitely a cultural and architectural monument, it is also an engineering marvel, a fact recognized in 2012 by ASCE when it named it a National Civil Engineering Historic Landmark.

While the centennial of the GCT is being celebrated, a new project is taking shape approximately 90 feet below the existing tracks.  The East Side Access project (ESA) will provide a new connection from the Long Island Rail Road (LIRR) to GCT.  This project will help…

[Editor] Click through for the rest of this article, including a list of some interesting websites on Grand Central Terminal and the East Side Access Project. [/Editor]

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Inside the Devil's Slide tunnel construction, by kxyoung on Flickr
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Devil’s Slide Tunnel Project Nearly Complete

Inside the Devil's Slide tunnel construction, by kxyoung on FlickrThe Devil’s Slide Tunnel Project was originally scheduled to open at the end of 2012, but it has been delayed slightly to an early 2013 opening. If you look at some recent photos, you can hardly tell that there is anything left to finish. I’ve been following this project since it started, since to me it represents the essence of geoengineering, with important roles played by geotechnical engineers, geological engineers, hydrogeologists, and of course geotechnical contractors and tunneling specialists.  I thought it would be interesting to list a few of the posts I’ve written about the project over the years and present a bit of information I only recently learned.  Click through for more. [Image: kxyoung on Flickr]

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