Augercast (CFA) Piles

Temporary shoring for slope management

01/03

Kalamazoo Justice Center | Kalamazoo, MI

The new Kalamazoo Justice Center was constructed with a massive augercast pile foundation system installed from the bottom of pile cap elevation, which was about 14' below existing city street grade. We installed the foundation system and were the design-build contractor for the project's temporary shoring solution, which incuded construction of a 140-linear-foot cantilevered shoring system consisting of tangent augercast piles.

Foundation support for new & existing structures

02/03

NIH Building 40A | Bethesda, MD

We were the design-build contractor for CFA-piles as the deep foundation elements to support the mat foundation for a new Vaccine Research building at the National Institute of Health complex in Bethesda, MD.

Foundation support for new & existing structures

03/03

WMATA Bladensburg | Washington D.C.

We were the design/build contractor for 602 CFA-piles as the deep foundation elements for a new Maintenance Facility and Bus Garage Replacement at the Washington Metropolitan Area Transit Authority Facility in NE Washington DC.

Temporary shoring for slope management

01/02

Kalamazoo Justice Center | Kalamazoo, MI

Foundation support for new & existing structures

02/02

NIH Building 40A | Bethesda, MD

What are augercast piles?

Augercast piles, also known as Continuous Flight Augers (CFA) piles, are cast-in-place deep foundation solutions that use a hollow stem auger with continuous flights.

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How do they work?

Augercast piles are formed by drilling into the ground with a hollow, continuous flight auger to a required depth or degree of resistance. A high slump grout mix is then pumped down the stem of the auger under constant pressure while the auger is slowly withdrawn, leaving a shaft of fluid grout to ground level.

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Why do you need augercast piles?

Augercast piles are a cost effective alternative to other deep foundation systems. They cause minimal disturbance and vibrations and are suited for low noise and/or environmentally sensitive areas.

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Temporary shoring for slope management

Kalamazoo Justice Center | Kalamazoo, MI

Foundation support for new & existing structures

NIH Building 40A | Bethesda, MD

Foundation support for new & existing structures

WMATA Bladensburg | Washington D.C.

Temporary shoring for slope management

Kalamazoo Justice Center | Kalamazoo, MI

Foundation support for new & existing structures

NIH Building 40A | Bethesda, MD

What are augercast piles?

How do they work?

Why do you need augercast piles?

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