Wet Weather Pumping and Treatment Client: City of Fort Wayne Location: Fort Wayne, Indiana The City of Fort Wayne retained Donohue & Associates to design major improvements to its 550 mgd Wet Weather Pump Station (WWPS). The project successfully addressed the City’s objectives: meet wet weather compliance requirements, improve flood protection for City residents, and mitigate grit accumulation within the pump station wet well. Physical hydraulic testing and modeling confirmed and optimized performance and intake design. Two existing vertical column mixed flow pumps, each rated at 160 mgd, were upgraded with new medium voltage, induction-type motors to be operated on variable frequency drives (VFDs). Two new 95 mgd pumps with VFDs were added to the pump station. Two new 10 mgd (150 hp) cent

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