IAI provided hydraulic dredging services for this CCR pond closure project in Lansing, IA.
Coal ash (CCR) was dewatered in geotextile tubes and hauled to landfill after 21 days of dewatering.
IAI utilized a 445 horsepower, 12 inch diameter auger dredge with a 12 inch diameter inline booster pump to remove coal fines from an impoundment that was filling to capacity at a mining facility in southern Illinois. During day time hours, mine flow was combined with the dredge flow feeding the geotextile tubes dewatering operation, […]
Summary of IAI’s work on the Fond du Lac River & Marina Maintenance Dredging Project in Fond du Lac, Wisconsin
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 system, […]
IAI self-performed hydraulic dredging, geotextile tube dewatering and water treatment operations for this environmental dredging project, involving the removal of highly concentrated PCBs and sediment from underground raceways.