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...]
Coal Ash Maintenance Dredging
IAI was responsible for dredging approximately 20,000 cubic yards of coal ash (or fly ash) from a pond at a power plant in Tonawanda, New York. Hydraulic dredging of the 7.3 acre pond was completed over a 5 week period. The dredged material was dewatered using a Total Clean System. Effluent from the Total Clean unit was injected with polymer, then allowed to … [Read more...]
Lake Sinissippi Wetland Rehabilitation
Scope of Work IAI was contracted by the Lake Sinissippi Improvement District to dredge the lake, and design and install an erosion control berm which would isolate a 40-acre portion of man-made Lake Sinissippi from an adjacent wetland. The project was conducted to remediate the marsh wetland environment, which had been deteriorated by a non-game fish … [Read more...]



