Infrastructure Alternatives hydraulically dredged about 18,000 cubic yards of industrial process biosolids from two wastewater treatment lagoons, utilizing a cable-driven 8 inch diameter auger dredge. The dredged sludge was conditioned with flocculating chemicals and dewatered in about 2,400 lineal feet of 75 foot circumference geotextile tubes. The geotextile tubes were stacked in two layers over a lined dewatering pad. Weep water from the geotextile tubes was collected and pumped back into the wastewater lagoons.
Scope of Work
Infrastructure Alternatives was responsible for hydraulic dredging to remove 18,000 cubic yards of wastewater biosolids from two industrial process wastewater lagoons and dewatering the biosolids in 2,400 lineal feet of 75 foot circumference geotextile tubes.
- 8 inch diameter hydraulic auger dredge
- 8 inch diameter HDPE geotextile tube header system
- Two-step chemical feed system
- 2,400 lineal feet of 75 foot circumference geotextile tubes
Project Photo Gallery
- An 8" auger dredge was used to remove biosolids from the lagoon
- Polymer system was housed in a temporary shelter
- Geotextile tubes were used to dewater the dredged sludge
- Geotextile tubes with lagoon in the background
- Polymer system and geotextile tubes, with lagoons in background