Emergency Response

Old Croton TrailwayPort Mann Main Water Supply TunnelPCS PhosphatesAccess Shaft #3Swinging Bridge DamBirmingham Bridge

PCS Phosphates

Low mobility grouting to seal the throat of a 150-ft wide, 320-ft deep sinkhole and re-establish the hydraulic connection.

Access Shaft #3

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

Swinging Bridge Dam

Emergency response to sinkhole event, including conduit filter and toe drain installation.

Birmingham Bridge

Emergency response rock-socketed micropiles installed to compensate for existing timber piles that had terminated above designed depth.