Category Archives: TBL

Achieving Triple Bottom Line (TBL) Success using Progressive Design-Build Delivery

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Triple Bottom Line (TBL) success involves a team commitment to balancing not only the economic (financial) components of a project, but also that of social responsibility and environmental stewardship. Projects that seek this achievement must focus equally on each of these goals. Using progressive design-build delivery, the Southwestern Parkway CSO Basin project in Louisville, KY, realized this success while supporting Louisville MSD’s mission to “provide exceptional wastewater, drainage, and flood protection services for our community.” This $78 million project included the design, construction, and commissioning of a large “capture and release” system that temporarily stores combined sewage during wet weather events. This temporary storage is facilitated by a 20-million-gallon concrete storage tank with associated wash-down systems, and a 30-mgd effluent pump station constructed below the Great Lawn of Shawnee Park which is part of Louisville’s Olmsted Park system. The project was led by Ulliman Schutte and their engineer of record, Burgess & Niple.

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Topics: Progressive Design-Build, TBL, Ulliman Schutte.