California Governor Jerry Brown announced this summer that the state will move forward with plans for two multi-billion dollar water supply tunnels. Twin 56-km long (35 miles) tunnels will be constructed to convey water from the Sacramento River south to an existing aqueduct that serves the San Joaquin Valley and Southern California. [Source: World Tunnelling. Image: Rich Pedroncelli via KTVU.com]
Pittsburgh’s light rail expansion project dubbed the North Shore Connector Project has passed underneath the Allegheny River despite some earlier troubles. The cut and cover tunnel portion is complete, and the TBM bored portion of […]
PITTSBURGH, PA – January 15, 2010 – Nicholson was awarded a subcontract by Traylor Bros./Frontier-Kemper JV that includes temporary shoring and the construction of the permanent reinforced concrete diaphragm walls for the a new light rail station near the University of Washington’s Husky Stadium in Seattle. The project owner is Sound Transit and the work will be completed in a joint venture with Condon-Johnson & Associates. [Editor] Click through for the entire press release from GeoPrac.net sponsor Nicholson Construction. [/Editor] […]
The Alaskan Way Viaduct tunneling project was in the news late last year when settlement of the Viaduct was reported during the dewatering efforts for the Bertha TBM rescue shaft. A recent post by WSDOT […]
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