Pooler, GA The Pooler Wastewater Treatment Plant expansion increased facility capacity from 3.3 MGD to 6.223 MGD, nearly doubling treatment capability. New headworks structure includes three bar screens, stacked tray grit separator, screenings washer/compactors, grit classifier, drain pump station, and relocation of four influent force mains to the new structure. The biological treatment system features three rotary drum fine screens and biological basins with hollow fiber MBR technology. Biological basins are designed for nutrient removal with anaerobic, anoxic, and aerobic zones, RAS pumps and splitter box, internal recycle pumps and piping, diffused aeration, blowers, chemical feed systems for alkalinity, phosphorous polishing and membrane cleaning, surface foam wasting, and WAS pump station. The MBR system includes six hollow fiber tanks with dedicated MBR blowers and RAS pumps. Additional improvements include new UV disinfection system, aerobic digester, effluent pump station modifications, static aeration structure, new effluent pipeline, electrical building, new generator, modification of existing generator, and complete plant SCADA system. Work also encompassed demolition of existing headworks and fine screens, conversion of existing biological basins to equalization basins, installation of additional submersible EQ pumps, clean-out of the existing 7 MG onsite wet weather storage pond, and complete yard piping and sitework. The project includes startup of all equipment and performance testing of the membrane system.
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