Recognized for its design innovation, Duffield Associates' Structural Engineering Group provides an array of evaluation, analysis and design services. The broad range of our services is reflected by the depth and diversity of our projects, which include systems and components in structural steel, concrete, masonry, timber, composites, and cold-form framing. Whether our assignment is new construction, historic restoration, or the modification of existing structures, we work collaboratively with our clients and their design teams to fulfill their strategic objectives and project expectations through sound yet creative structural design.

Services provided include:

• Buildings of All Types
  - Historic Rehabilitation/Restoration
  - Sustainable Design
  - Expressed Structure
  
  
• Coastal/Marine Structures
• Industrial/Heavy Structures
• Sanitary Liquid Containing Structures
• Earth Retaining Systems
• Deep and Shallow Foundations
• Bridges
• Contract Administration
• Permitting/Agency Liaison
• Structural Condition Assessments
• Structural Failure Assessments
• Pre-Construction Surveys
• Forensic Engineering