The Double Barrel Interceptor (DBI) at the Metropolitan Wastewater Treatment Plant required major improvements to continue effective service for the Twin Cities metro area. TKDA provided the necessary rehabilitation of the DBI to convey wastewater flows from the central cities of Minneapolis and Saint Paul and over 60 suburban communities for treatment prior to discharge to the Mississippi River downstream of downtown Saint Paul.
TKDA’s rehabilitation design consisted of:
CLIENT: Metropolitan Council Environmental Services
LOCATION: Saint Paul, Minnesota