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...]
Sediment Remediation
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.
Ottawa River Remediation
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...]
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...]
Onondaga Lake Cleanup Project Earns 2014 WEDA Health and Safety Excellence Award
The Onondaga Lake Cleanup team, including IAI, was recently awarded the Western Dredging Association's 2014 Award for Health and Safety Excellence. IAI serves as a subcontractor on the project, utilizing geotextile tubes to dewater sediment dredged from the lake bottom. WEDA Safety Award Video Learn more: Onondaga Lake Project … [Read more...]
Kalamazoo River Oil Spill Dredging Project
Summary In July 2010, a crude oil pipeline near Marshall, Michigan ruptured and spilled an estimated 840,000 – 1,000,000 gallons of crude oil into Talmadge Creek and the Kalamazoo River. As part of the cleanup effort, an area of the Kalamazoo River near the Ceresco Dam was dredged to remove oil-contaminated sediment. The dredged sediment was pumped to a … [Read more...]
Conner Creek CSO Dredging Project
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...]
