Austria, Extension Wastewater Treatment Plant Wallern (1998 - 2000)

Albania, Municipal Water & Wastewater Project (1998 - 2002)

Turkey, GAP Urban Sanitation Project (1997 - 1999)

Bosnia-Herzegovina, Water, Waste Water, Solid Waste Programme (1997 - 1999)

Bosnia-Herzegovina, Water Supply Bosnia-Herzegovina (10/1996 - 12/1996)

Bulgaria, Feasibility Study for the Kjustendil Water Company (04/1996 - 09/1996)