Specialties
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Condition Assessment
Contractor Services
Dam Engineering
Environmental Remediation
Excavation Shoring Design
Foundation Engineering
Foundation Testing
Noise Barrier Walls
Retaining Wall Design
Sand and Gravel Mining
Slope Stabilization Engineering
Solid Waste Engineering
Stream Restoration
Waterfront Bulkhead Engineering
Retaining Wall Design






Earth retaining structures come in many shapes and sizes. They include reinforced concrete walls, mechanically stabilized earth walls, soil nail walls, reaction block walls, soldier piles with wood or concrete lagging and sheetpile walls. The geotechnical and structural engineers at McMahon & Mann work with the entire spectrum of wall types and construction methods. This allows our engineers to design the wall type that most effectively fits the site conditions and the project needs.