Search Results: 'Hitachi'

Construction for Alaskan Way shaft walls off schedule
01 August, 2014
USA - Seattle Tunnel Partners (STP) announced on July 28 that building the underground walls of the circular pit creating access to repair the TBM will take longer than anticipated, according to the Washington Department of Transportation (WSDOT).

The Seattle Saga
27 June, 2014
After six months of tunnelling standstill, construction is tarting on an access shaft to repair the TBM mining the SR 99 bore in Seattle, the largest diameter machine in the world. Nicole Robinson explores the machine’s initial journey and downtime.

How the west was won
27 June, 2014
Tunnelling work is as diverse and plentiful as the geography in the West Coast.

Shake and bake – Seismic and Geoelectric Prediction
26 March, 2014
Tucked in a corner of Bauma 2013, Geo Exploration Technologies set up their stand to showcase Bore Tunnelling Electrical Ahead Monitoring (Beam). The geoelectric system, developed a decade on from the introduction of geo-seismic predictive technology to the tunnelling industry, has a few key advantages claimed, while Amberg’s offering of Tunnel Seismic Prediction gets a revamp. Alex Conacher reports

Hitachi fly in for Seattle TBM fix
25 February, 2014
Seattle Tunnel Partners (STP), the design-build contractor for the Alaskan Way Viaduct replacement tunnel in Seattle, will dig an access shaft to repair or replace the TBM seal. Client Washington State Department of Transportation (WSDOT) said Friday experts from TBM manufacturer Hitachi-Zosen were flying from Japan to finalize the repair plan.