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...]
Ashtabula River Remediation
The Ashtabula River Remediation is the largest Great Lakes Legacy Act funded project to date. The project was performed in two phases by numerous contractors, working over three dredging seasons. At project close, approximately 640,000 cubic yards of contaminated soft sediments had been removed from the lower Ashtabula River. The contaminated sediment was … [Read more...]
West Branch Grand Calumet River Remedial Action
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...]
Creosote Contaminated Pond Cleanup
A former wood-treating facility had previously been located on the project site; each of two ponds contained a layer of thick, black oily sludge. The sludge was contaminated with creosote, polyaromatic hydrocarbons and metals. To remediate the ponds, the sludge was removed with utilization of a suspended pump and dewatered in geotextile tubes. IAI and … [Read more...]
