The Metropolitan St. Louis Sewer District has named Kwame Building Group, Inc. (KWAME) as construction manager for a rehabilitation and expansion program at the Missouri River Wastewater Treatment Plant in Maryland Heights, Missouri. Construction on the first project is expected to begin in the summer of 2009 and the program will be complete by the end of 2012.

KWAME's primary subconsultant partner is HDR, an architectural, engineering and consulting firm based in Omaha, Nebraska. The project designer is Black & Veatch Corporation, a global engineering, consulting and construction company based in Overland Park, Kansas.

The digester rehabilitation project will replace existing digester covers, gas mixing systems, boilers, digested sludge pumps, digested piping and appurtenances.

The secondary expansion of the Missouri River treatment plant, designed to treat up to 80 million gallons a day, will be constructed adjacent to the existing plant. The expanded facility will provide a new activated sludge process, new final clarifiers, UV disinfection, a sludge pump station, meter vault structures, a low-lift pump station, a blower building, a WAS thickening building, solids dewatering process building, locker room expansion and appurtenances.

KWAME will provide constructability/biddability reviews during the design phase to confirm feasibility, completeness, consistency and construction cost estimates of the plans. KWAME also will review all final documents before advertisement for construction bids and serve as the MSD representative during construction to ensure that the Contractor meets all performance, quality and safety obligations..

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