Ground Freezing Resolves Complex Challenges Ahead of SEM TunnelingStorm SurgeESA’s SEM Challenge

Storm Surge

When several feet of Hurricane Sandy storm search inundated Manhattan’s major commuter tunnels and the World Trade Center site, Moretrench was called in to mount a massive and logistically complex emergency pumping effort.

ESA’s SEM Challenge

A discussion of the design and construction challenges of the ground freezing program used to ensure problem-free mining of the East Side Access Northern Boulevard Crossing.