Ground Freezing

Port Mann Main Water Supply TunnelNorthern Boulevard CrossingAccess Shaft #3NYC Water Tunnel #3Kansas Underground Salt MuseumCombined Sewer Overflow TunnelGibson County Coal MineGarden State Parkway Tunnel

Access Shaft #3

Emergency response ground freezing to allow completion of a deep shaft that had experiences persistent soil and groundwater ingress.

NYC Water Tunnel #3

Ground freezing for excavation support and groundwater control during excavation of several deep shafts for New York City’s new water tunnel system.

Combined Sewer Overflow Tunnel

Ground freezing for excavation support /groundwater control for several CSO shafts, plus grouting at one shaft to overcome moving groundwater.

Gibson County Coal Mine

Ground freezing to stabilize overburden soils during mine shaft excavation and liner placement.

Garden State Parkway Tunnel

sinkhole companies

Emergency response horizontal liquid nitrogen freezing to stabilize running sands and allow a mired TBM to advance.