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HomeNewsProject RelatedRising Costs and Delays in Seattle Area Wastewater Plant and Tunnels

Rising Costs and Delays in Seattle Area Wastewater Plant and Tunnels

February 25, 2008 rockman Project Related Comments Off on Rising Costs and Delays in Seattle Area Wastewater Plant and Tunnels
  • Seattle Times article on project delays and increased cost
  • Project website

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Lovat TBM for Toronto Subway Project
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Tunneling Starts in Toronto Subway Improvements with 1st of 4 TBMs

June 26, 2011 rockman Project Related Comments Off on Tunneling Starts in Toronto Subway Improvements with 1st of 4 TBMs

The Toronto Transit Commission is starting a $2.6 Billion project to connect the City of Toronto with the municipality of York. This Toronto-York Spadina Subway Extension Project (TYSSE) consists of an 8.2 km extension of […]

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Brightwater Tunnel Boring Machine BT-2, nicknamed Helene. It was stuck some 300-ft underground for sever months while waiting for repair parts.
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King County, WA sues contractor on $1.8B Brightwater Sewer Project for cost and schedule overruns

June 29, 2010 rockman Project Related Comments Off on King County, WA sues contractor on $1.8B Brightwater Sewer Project for cost and schedule overruns

Current projections put the project completion 35-months behind schedule because of problems with a portion of the TBM constructed tunnel. The County is suing for $74M in damages associated with the delays. This massive sewer […]

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TBM with twin tunnels of the Gothard Base Tunnel or GBT, Sedrun segment
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Just 10m of drill and blast left on Gotthard Base Tunnel

October 11, 2010 rockman Project Related 1

This 57-km tunnel under the Swiss Alps has nearly broken through after 11-years of work. This tunnel will create a ‘flat’ rail path through the Alps and become the world’s longest rail tunnel. [Source: World […]

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