Search Results: 'Healy'

San Francisco’s Central Subway reaches completion
04 June, 2015
USA - Salini Impregilo announced May 28, it has successfully completed - on time and on budget - the tunnel for Central Subway, a major project to extend a subway line that travels through the heart of San Francisco.

DC Water launches second TBM
05 January, 2015
USA - The District of Columbia Water and Sewer Authority (DC Water) held a christening ceremony on December 12 for the Herrenknecht TBM that will mine 2.5 miles (4km) along the Potomac and under the Anacostia Rivers.

Lake Mead makes breakthrough
05 January, 2015
USA - The TBM mining the tunnel below Lake Mead made its breakthrough on December 10 into the concrete wall of the project’s intake structure.