Project Highlights

New Bedford Harbor Dredge / Capping
New Bedford, Massachusetts

• 85,000 CY of sand hydraulically dredged by the Jay Cashman excavator dredge during construction of the New Bedford Harbor Confined Aquatic Disposal (CAD) cell 

• CAD cell served to relocate PCB contaminated harbor sediments during future project phases

• 85,000 CY of material placed over a 19 acre PCB contaminated area in shallow waters (6 ft. to 12 ft.)

• Equipment used included:

           • A.J. Dredge barge as a positioning dredge

          • Eddie Carroll, Mighty Quinn, and SEI 2000 dump scows

• Bathymetric surveys were continually performed during the capping project and were used to evaluate the cap thickness and placement technique