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
Contractor Services






















In addition to excavation shoring design, McMahon & Mann often provides assistance with construction dewatering, underpinning foundations, and redesigning permanent project components (value engineering) to improve constructability. The firm has also assisted contractors in the resolution of construction disputes and helped with developing approaches to their projects.