IAI provided water treatment services for the River Raisin PCB Dredging project. The overall project involved hotspot mechanical dredging of sediment containing concentrations of polychlorinated biphenyls (PCBs) in excess of the 50 mg/kg limit regulated by the Toxic Substances Control Act (TSCA) from deposits adjacent to the U.S. Army Corps of Engineers … [Read more...]
Dredging Water Treatment
IAI provides water treatment services for environmental dredging, contaminated sediment remediation and coal ash projects. We design, build and operate systems to treat up to 4,000 gpm of water flow, and have successfully treated 1.5 billion gallons of water produced by dredging. Below are some examples of projects where we've provided water treatment services, including Superfund, Superfund Alternative Sites, and Great Lakes Legacy Act clean ups.
IAI was the General Contractor for all landside operations on the Ottawa River Remediation Project, which was conducted over the course of the 2010 construction and dredging seasons. The project involved hydraulic dredging of 242,000 cubic yards of contaminated sediment from the Ottawa River near Toledo, Ohio. The dredged sediment was pumped by the … [Read more...]
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...]
IAI dredged 180,000 cubic yards of in-situ material from Conner Creek to create capacity for a new combined sewage overflow treatment facility. The project involved the removal of approximately 100,000 cubic yards of contaminated sediments utilizing an 8 inch diameter swinging ladder dredge and an 8 inch diameter auger dredge. A specially designed header … [Read more...]
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 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...]