Dan Brown and Associates

42" open-ended pipe pile with 7/8" wall being tested with a 30MN axial Statnamic device.

Drilling a 9.2 ft diameter shaft using an oscillator to advance a temporary casing into the ground ahead of the excavation.

Excavating inside a 9.2-ft diameter temporary casing using grabs. Spoils are put in trucks to haul off.

Extracting an 8-ft diameter casing for a drilled shaft at the Audubon Bridge.

Drilling a 9.2 ft diameter shaft using an oscillator to advance a temporary casing into the ground ahead of the excavation.

Excavation of 8-ft diameter drilled shaft foundation for Audubon Bridge using oscillator and dredge pump. Reinforcing cage for another shaft is bei...

Driving 5' diameter pipe piles for a temporary bent on the east side of the river. The temporary bents help hold the spans up until the cables are...

Lateral Statnamic test on a 24" diameter pipe pile. Test conducted on a barge.