Today (October 14th) is Geoprofessionals’ Day in Seattle

His contributions and legacy are reflected in the values of the company he built and the leadership he provided to the industry he loved. President and CEO Patrick Sheehan reflects on Don’s legacy. “It would be […]

There hasn’t been much to report recently for the Alaskan Way Viaduct Tunnel Project in Seattle. As you probably know, Bertha has not advanced since about December of 2013 after drilling through an abandoned steel […]

The world’s largest Tunnel Boring Machine or TBM just arrived in Seattle last week from Japan. Hitachi Zosen Corp built the 57 foot diameter TBM and tested it before disassembling it for the journey by […]