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Jet grouting in Queens for MTA East Side Access Project

September 13, 2011 rockman 1

Tunnel Boring Magazine has this synopsis of the project: The East Side Access project in New York City involves some of the most complex civil construction in recent years. The project involves constructing new tunnels […]

Excavation and ground freezing by Moretrench for MTA's Second Avenue Subway

Ground Freezing and Tunneling for New York MTA’s Second Ave Subway

February 21, 2011 rockman Comments Off

GeoPrac sponsor Moretrench is a key team member of the Second Avenue subway team, performing ground freezing on a 150-ft stretch of tunnel alignment in preparation for the second tunnel. ENR reports that approximately 7,200 […]