Earth Retention Systems

Terra has designed and installed some of the largest earth retention systems in the state. We can work with your existing set of plans or design and stamp a retention system to your specs. Our professional and certified engineers bring decades of experience to this specialized discipline.

    • Design/Build
    • Soil Nails
    • Tiebacks
    • Caissons
    • Helical Anchors
    • Dock Walls
    • H-Pile & Lagging
    • Sheet Piles
    • Underpinning
    • Push Piles
    • Rock Anchors

Download our Earth Retention Systems and Deep Foundations Brochure

UWM Union South Foundation Earth Retention
University of Wisconsin School of Human Ecology
Epic Systems – Verona, WI
Memorial Union – Lake Mendota
Hallett Dockwall – Duluth, MN
MIAD Student Housing Pipe Piles
MIAD Student Housing Pipe Piles
Edgewater Hotel Development
Edgewater Hotel Development
University of Wisconsin Madison Biochemistry Building Underpinning
Finished Camp Randall Players Tunnel
Reed Street Dock Wall – Milwaukee, WI
Reed Street Dock Wall – Milwaukee, WI
Beaumont Place Earth Retention – Whitefish Bay, WI


Specialty Equipment

  • Casagrande C6, M9
  • 2015 Bauer BG 20H Drill Rig
  • IMT Track Drill Rigs (AF10, AF120, AF150)
  • Hercules Machinery Sonic Side Grip (Excavator and Crane Mounts)
  • TEI Remote Control Tieback/Soil Nail Drills
  • 35′ Excavator Mount CFA Drill


Terra is a proud member of the Academy of Geo-Professionals (AGP)