Austria, Waste Water Treatment Plant Hofkirchen (1995 - 1997)

Iran, Earthfill Dam, Ahar (1994 - 1995)

Austria, Wastewater Treatment Plant Schalchen (1994 - 1996)

Austria, Water Supply Potsdamer Hütte (1993 - 1995)

Germany, Central Treatment Plant, Darmstadt (1992 - 1995)

Austria, Water Supply Edmund Graf Hütte (1992 - 1993)