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

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

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

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 feet of tunneling out of 15,000 total have been completed in the first phase of the $4.45 billion project to add a second subway line to serve Manhattan’s East side. [Source: Engineering News Record. Image: ¬©MTA/Patrick Cashin via ENR]