California bullet train authority ordered part of a flawed bridge torn down Los Angeles Times » Engineers have built about 24,000 bridges in California over the last century, but a new one under construction in Madera County for the state’s bullet train project shows that they can still lead to serious blunders. In a statement, the authority said the Avenue 8 bridge design did not meet its “level of quality for a work product” and showed “signs of distress.” Michelle2018-06-12T08:08:15-08:00June 8th, 2018|California, California High Speed Rail, Design-Build, High-Speed Rail|
Video: After 4 years, digging of Seattle tunnel nears its end KIRO7 » Tunnel-borer Bertha may complete drilling the State Route 99 tunnel in Seattle this week after four years of work, state officials reported. The tunnel should be in use by 2019, replacing the Alaskan Way Viaduct. Michelle2018-02-05T14:28:54-08:00March 27th, 2017|Alaskan Way Viaduct, Design-Build, Roads, Videos, Washington|
Video: Bertha’s journey under the streets of Seattle The Seattle Times » A 360-degree video shot inside the tunnel being built beneath Seattle gives viewers a unique new perspective of what it’s like to bore a 2-mile tube and construct a highway 200 feet underground. Michelle2017-06-28T13:46:23-08:00March 10th, 2017|Alaskan Way Viaduct, Design-Build, Roads, Washington|
Bertha veers a few inches off course, stops digging The Seattle Times » The massive drill has veered a few inches off course. Michelle2017-06-28T14:42:19-08:00March 1st, 2017|Alaskan Way Viaduct, Design-Build, Roads, Washington|
State’s high-speed rail project comes under fire by GOP San Francisco Chronicle » The calls come amid uncertainty over whether the new Trump administration and Republican-majority Congress will stop the flow of federal dollars for the project. Michelle2017-06-29T14:33:08-08:00January 20th, 2017|California, California High Speed Rail, Design-Build, Rail|
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 a behind the scenes construction tour of the new double-deck State Route 99 tunnel. WSDOT’s Deputy Administrator explains how the tunnel boring machine, known as Bertha, works to dig through the ground and place concrete rings to form the tunnel wall as she goes. Watch as the tunnel takes shape and construction crews build the framework and pour concrete for the roadway. It is estimated the new tunnel will use enough concrete to fill nine football stadiums. Click here for the video. Michelle2018-02-05T17:00:53-08:00July 14th, 2016|Alaskan Way Viaduct, Design-Build, Roads, Videos, Washington|
