This project was completed for the purpose of removing highly PCB-contaminated sediment from the walls and floors of a raceway system located in a former industrial property in Lawrence, MA. IAI utilized a specially equipped electrically powered hydraulic dredge to remove the contaminated sediment from the sub-surface and external raceways, dewatered the … [Read more...]
IAI has provided environmental dredging, geotextile tube dewatering, water treatment, and general contracting services for contaminated sediment remediation projects throughout the Great Lakes region and eastern U.S. Below are examples of our clean up project experience.
IAI served as sediment dewatering and water treatment subcontractor on the Waukegan Harbor OU1 project. The project removed 117,278 cubic yards of PCBs-contaminated sediment from Waukegan Harbor, in Waukegan, Illinois. Sediment was hydraulically dredged from the harbor and transferred to the landside facility for processing and disposal. The sediment … [Read more...]
The Ashtabula River Remediation was the largest project to be funded through the Great Lakes Legacy Act (GLLA) at the time of performance. The project was executed in two phases by a team of contractors, working over three dredging seasons. At project close, approximately 640,000 cubic yards of contaminated soft sediments had been removed from the lower … [Read more...]
The West Branch Grand Calumet River and Roxana Marsh Reaches 1 & 2 Remedial Action Project involves hydraulic dredging to remove contaminated sediment, geotextile tube dewatering of the dredged material, bulking and removal of the dewatered sediment from the site, and treatment of the geotextile tube weep water. IAI is responsible for the sediment … [Read more...]
IAI was contracted to remediate two ponds at the site of this former wood-treating facility. The ponds contained a layer of thick, black oily sludge, contaminated with creosote, polyaromatic hydrocarbons and metals, which had to be removed. To remediate the ponds, IAI removed the oily sludge with a submersible pump, and dewatered the slurry in geotextile … [Read more...]