In 2015, the Lower Pond CCR Dredging Project was performed at a power generation station in Lansing, IA. IAI was selected to provide dredging and bypass pumping operations services for the project. IAI utilized our 8-in. diameter auger dredge to remove about 2,000 cubic yards of coal combustion residuals (CCR, or coal ash) from the Lower Pond, to prepare … [Read more...]
Presque Isle Power Plant Pond Dredging
Dewatered coal ash after 21 days dewatering in the geotextile tubes IAI was selected by We Energies to remove and dispose of accumulated sediment and coal combustion residuals (CCR) from a pond at the Presque Isle Power Plant in picturesque Marquette, Michigan. IAI provided general contractor services, and self-performed the geotextile tube dewatering … [Read more...]
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...]
Fond du Lac River & Marina Maintenance Dredging
Approximately 16,000 cubic yards of accumulated soft sediment, silt and natural clay were hydraulically dredged from the river and marina to increase the navigable depth by four feet. Geotextile tubes used to dewater the dredged sediment were staged in two municipal parking lots along the river. The active dredging phase of the project took place in … [Read more...]
Coal Ash (Fly Ash) Pond Dredging
IAI utilized an 8 inch diameter auger dredge to remove 25,000 cubic yards of coal ash (or fly ash) sludge from an industrial settling pond at a coal-fired electricity generation plant in Lumberton, North Carolina. The coal ash was dredged directly into geotextile tubes, which were deployed around the perimeter of the same pond. The filled geotextile tubes, … [Read more...]
