proj 9677 EDITED
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