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HomeNewsProject RelatedSeattle Light-Rail Tunnel Likely to Break Ground This Year

Seattle Light-Rail Tunnel Likely to Break Ground This Year

February 11, 2008 rockman Project Related Comments Off on Seattle Light-Rail Tunnel Likely to Break Ground This Year

 

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Image of a sandhog inside the new water supply tunnel number 3 for the City of New York. Photo by History.com.
Project Related

New Water Supply Tunnels Underneath New York City

March 18, 2009 rockman Project Related Comments Off on New Water Supply Tunnels Underneath New York City

Image of a sandhog inside the new water supply tunnel number 3 for the City of New York. Photo by History.com. Urban miners have been busy constructing a new water supply tunnel underneath New York City to supply the megalopolis with the water it needs. The miners, or sandhogs as they are known, are about halfway complete with the new tunnel which is expected to be in service by the year 2020. Work on the 60-mile tunnel began in 1970 and the total projected cost is $6 billion and is widely regarded as one of the most complex public works projects in the western hemisphere. When complete, it will help deliver 1.2 billion gallons DAILY to 8 million New Yorkers. The city currently gets its drinking water from two water supply tunnels that were constructed in the early 20th century and have not been inspected or repaired since then. More after the break. (Image credit History.com)

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Dr. Angela Merkel, German Federal Chancellor and Wen Jiabao, Premier of the People�s Republic of China tour a Herrenchnecht Facility in Guangzhou
Miscellaneous

Chancellor Merkel, Premier Wen Tour Herrenchnecht Facility in Guangzhou

February 21, 2012 rockman Miscellaneous Comments Off on Chancellor Merkel, Premier Wen Tour Herrenchnecht Facility in Guangzhou

The German Chancellor and Chinese Premier toured a Herrenchnecht facility in China’s Guangzhou Province where Tunnel Boring Machines are manufactured for many of China and Asia’s high-profile tunnel projects. Herrenknecht maintains nine locations in China […]

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Hanging Lake Tunnel (Colorado) repair nearly complete

October 17, 2007 rockman Project Related Comments Off on Hanging Lake Tunnel (Colorado) repair nearly complete

A stretch of tunnel on Eastbound I-70 in scenic Glenwood Canyon Colorado was closed last March because of a 70-foot long crack in the ceiling. Since then the two-lane westbound bore has been handling both eastbound and westbound traffic while repairs to the damaged segment were undertaken. This project has a little of everything: heavy excavation, rockfall, slab reinforcing, geofoam, and even geogrid! Read on for more details, a map and photos. (Photo by Concrete Works Of Colorado)

[…]

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