Underpinning & Foundations
Executing complex deep foundation systems, structural underpinning, micropiling, and slurry wall excavation for critical infrastructure.
Bringing knowledge and foresight to every project
Slurry Wall & Diaphragm Wall Construction
Constructing deep watertight reinforced concrete diaphragm walls to support deep urban basement excavations.
Structural Pit Underpinning & Micropiling
Installing high-capacity steel casing micropiles and jacked pile underpinning beneath historic or adjacent structures.
Large Diameter Drilled Shafts (Caissons)
Drilling high-tonnage rock-socketed caissons up to 4 meters in diameter for high-rise towers and heavy bridges.
Tieback Anchors & Secant Pile Walls
Installing high-tensile strand tieback anchors and interlocking secant piles to provide excavation support in weak soils.
Project spotlight: St. Nicholas Greek Orthodox Church & WTC Underpinning
SNS Construction engineered complex deep micropile underpinning and reinforced concrete foundation pads beneath the historic Santiago Calatrava-designed church over the World Trade Center vehicle security center.
Partnering today to build the foundations of tomorrow
Executing ground engineering solutions for iconic towers, transit hubs, and heavy civil structures worldwide.
