IAI provided water treatment services for this mechanical dredging project. The overall project involved excavating impacted sediments from service water ditches at an industrial facility in Michigan. IAI was responsible for treating after the remaining water after the ditches were drained to within one foot of the sediment, as well as any water that … [Read more...]
East Branch Grand Calumet River Remedial Action
Summary This remedial action project utilized hydraulic dredging to remove 145,377 cubic yards of contaminated sediment from the Grand Calumet River. IAI was responsible for the sediment dewatering and water treatment portions of work. The sediment dewatering pad was installed over a brownfield site in East Chicago, where the contaminated sediment was … [Read more...]
Borrow Pit Remediation
Summary During this project, 14,000 cubic yards of contaminated sediment was hydraulically dredged from a former borrow pit and dewatered in geotextile tubes. An existing asphalt parking lot was converted into a geotextile tube laydown area with the installation of temporary sand berms and a high density polyethylene (HDPE) liner. Eighty foot … [Read more...]
Brownfield Raceways Remediation
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. IAI utilized a specially equipped electrically powered hydraulic dredge to remove the contaminated sediment from the sub-surface and external raceways, dewatered the dredged material in … [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...]
