The multidisciplinary resources of Duffield Associates enable us to mobilize the varied technical expertise required by waterfront, coastal, and marine projects. Broad, technical knowledge and experience-enhanced by strong working relationships with local, state, and federal regulatory agencies in the Mid-Atlantic region-has earned our results-oriented team of structural, geotechnical, water-resources, and environmental engineers and scientists a solid record of innovative award winning project approaches and responsive services for our clients.

Services provided include:

• Waterfront/Coastal Structures
• Coastal and Estuarine Modeling
• Shoreline Stabilization
• Harbor and Marina Planning & Design
• Sediment Sample Collection and Analysis
• Dredge Disposal Assessments
• Dredge Management
• Permitting
• Coastal Zone Management
• Underwater Investigations
• Stability Analyses
• Beach Replenishment
• Coastal Hazard Assessment