Lima WWTP Headworks (CMAR)

Peterson was selected as CMAR for this $29 million expansion at Lima’s WWTP. The project increased the peak wet weather capacity of the Headworks Building and Disinfection Facilities from 53 MGD to 70 MGD. Components of the project included demolition of (4) primary tanks, demolition of grit building & grit tanks, (4) new primary tanks, Screen Building addition, (4) new grit tanks, primary sludge pump station, secondary effluent pump station, ferric chloride feed building and tanks, new Disinfection Building, and new electrical & control systems.