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Keller provides deep foundations and excavation support for the first air rights development project over the Massachusetts Turnpike since the 1980s. The project, Parcel 12, earned the 2025 DFI Outstanding Project Award.
This animation shows the construction of vibro replacement stone columns using the wet-top feed method.
This animation shows the construction of auger cast piles.
Keller has supported tanks on improved ground and repaired tanks built on unsuitable ground conditions for decades, meeting demanding schedules and delivering on time.
The leading geotechnical specialty contractor.
GEO-Instruments provides automated systems for monitoring the safety and stability of buildings, excavations, retaining walls, tunnels, railways, and bridges.
Keller’s solutions are organized around project challenges instead of individual techniques. Many geotechnical problems can be addressed using multiple approaches.
The Paramount project in Richmond, BC is the deepest cutter soil mixing (CSM) depth achieved by Keller in Canada. Watch the CSM rig in action creating a structural cut-off wall.
Despite the challenges of working on the Potomac River adjacent to historic buildings and the discovery of an old ships's hull, Keller constructed a TRD earth retention system on time and with minimal movement.