A contract has been awarded to Tetra Tech MPS to design the new Retention Treatment Facility. The improvements include the new inlet weir structure, existing inlet structure modifications, dewatering pumping station and sodium hypochlorite storage building, dewatering pumping station outlet sewer and force main, connection to the rerouted Madison Heights combined sewer overflow and the extension of the parallel storm drains adjacent to the new inlet weir structure. The construction contract was awarded to Walbridge Aldinger Construction Co. Inc., in the amount of $79,460,000.00. Construction began in October 2001.
