Our Services

Hydraulic Barrier Walls

Commonly referred to as cutoff walls, barrier walls, or slurry walls.

Groundwater & Product Recovery Trenches (GWCT)

Contaminated Groundwater Recovery, Leachate Collection,
Slope Stability Interceptor Trenches, Etc…

Permeable Reactive Barriers / Funnel & Gate Systems

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The DeWind Difference

DeWind One-Pass Trenching avoids the all the risky, complex, and costly construction activities associated with conventional Deep Excavations. One-Pass Trencher installations are constructed from the surface to deep elevations and can be constructed below the water table without dewatering.

No open trench
No sheeting or shoring
No dewatering may be needed
No pump and treat
No large excavations
No slurry
No voids
No problem with collapsible soils

Soil Removal & Replacement
/or Direct Bury

• Liquid/Gas, injection or Collection Trench
• Horizontal installations
• Dewatering & slope stability
• HDPE Pipe installation
• Leachate collection
• Soil vapor collection
•Irrigation collection

In-Situ Soil Stabilization

• Hydraulic Barrier walls
• Cutoff or Slurry walls
• Dam and Levee repair
• Water Reservoirs

Permeable Reactive Barriers

• Zero Valent Iron (ZVI)
• Granular activated carbon (GAC)
• Activated alumina
• Bone Char
• Mulch
• Mushroom

Soil Stabilization /Remediation

• Cementitious soil mixing
• Deep and wide mixing
• Tie-Back Walls (substitute for lagging)

Dam and Levee Seepage Repair

DeWind One-Pass Trencher are perfectly suited for dam and levee repair.

Erosion Control System for Slope & Tailing Stability

Flexible Drainage Sock Pipe up to 10” in diameter can be installed in a single pass under the water on a precise grade using the DeWind One-Pass Trencher.

Construction Dewatering Applications

DeWind has a full-service construction dewatering division.

Large Volume Water Supply Systems for Irrigation

DeWind’s Horizontal Water Supply Systems can deliver thousands of gallons of water per minute in the right soil conditions.

Mine Tailing & Coal Ash Stability & Drainage Systems

Catastrophic tailings dam failures are disastrous and avoidable.

Underground Alluvial Water Storage Reservoir Containment Walls

Underground water reservoirs containment is a necessary solution to the increasing requirements for cities to provide water to a growing community.

Large Diameter HDPE Pipe Installations

Pipe up to 40 feet below grade in highly fluids soils directly under the water table.