Bertha Launch Pits Become Tunnels

ENR Northwest » The launch and exit pits created for tunnel-boring machine [...]

By |2017-10-12T09:36:16-08:00October 2, 2017|Alaskan Way Viaduct, Design-Build, Highways, Washington|Comments Off on Bertha Launch Pits Become Tunnels
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Video: Bertha’s journey under the streets of Seattle

The Seattle Times » A 360-degree video shot inside the tunnel [...]

By |2017-06-28T13:46:23-08:00March 10, 2017|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on Video: Bertha’s journey under the streets of Seattle
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Bertha veers a few inches off course, stops digging

The Seattle Times » The massive drill has veered a few [...]

By |2017-06-28T14:42:19-08:00March 1, 2017|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on Bertha veers a few inches off course, stops digging
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Video: How a double-deck highway is built inside the Seattle tunnel – with enough concrete to fill 9 football stadiums

GeekWire » The Washington State Department of Transportation (WSDOT) takes viewers on [...]

By |2018-02-05T17:00:53-08:00July 14, 2016|Alaskan Way Viaduct, Design-Build, Roads, Videos, Washington|Comments Off on Video: How a double-deck highway is built inside the Seattle tunnel – with enough concrete to fill 9 football stadiums
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A video of the difficult work of changing Seattle tunnel machine’s cutting tools

GeekWire » Seattle Tunnel Partners (STP) has released a video of construction [...]

By |2017-06-30T10:06:46-08:00July 12, 2016|Alaskan Way Viaduct, Design-Build, Roads, Videos, Washington|Comments Off on A video of the difficult work of changing Seattle tunnel machine’s cutting tools
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